NYC EcoFlora - Vascular Checklist with collection dates (version 2017)
Abstract: Counts include specimens with and without dates. Dates are a distinct list that does not list duplicates and filters out illegal and null dates. Run MySQL Stored Procedure NYCEcoFloraCountDates to re-generate checklist counts and dates.
Families: 161
Genera: 746
Species: 2001
Total Taxa: 2004
Juncus effusus L. - Lamp Rush
Specimen count: 23; collection dates: 1800-00-00, 1876-06-20, 1895-06-30, 1904-06-25, 1947-08-00, 1975-10-01, 2008-06-30, 2014-07-07, 2015-06-24, 2015-07-25, 2017-05-16, 2017-06-06, 2018-03-17, 2018-04-28, 2018-04-29, 2018-05-18, 2018-05-29
Juncus gerardii Loisel. - Saltmarsh Rush
Specimen count: 49; collection dates: 1877-06-18, 1879-07-06, 1880-06-27, 1887-06-01, 1889-07-12, 1894-00-00, 1897-05-29, 1897-06-16, 1900-06-17, 1901-06-21, 1903-06-20, 1904-06-01, 1916-06-18, 1916-07-14, 1916-07-16, 1925-07-03, 1925-07-18, 1929-06-17, 1931-09-23, 1941-07-24, 1941-10-13, 1948-10-08, 1949-06-11, 1975-06-17, 2006-05-20, 2008-06-03, 2009-06-24, 2016-06-10, 2016-06-11, 2017-06-03, 2017-06-24, 2017-06-29
Juncus greenei Oakes & Tuck. - Greene's Rush
Specimen count: 13; collection dates: 1869-07-22, 1890-00-00, 1890-08-02, 1890-08-03, 1898-07-23, 1914-08-16, 1914-10-04, 1928-07-17, 1940-07-14, 2016-07-10
Juncus marginatus Rostk. - Bog Rush
Specimen count: 24; collection dates: 1849-06-26, 1849-06-28, 1869-08-06, 1879-06-26, 1879-06-28, 1879-07-28, 1882-08-00, 1887-09-05, 1895-08-04, 1896-07-25, 1898-09-01, 1910-09-11, 1914-08-16, 1914-09-03, 1916-07-14, 1958-09-22, 2016-07-10
Juncus pelocarpus E. Mey. - Brown-Fruit Rush
Juncus pylaei Laharpe - Common Rush
Specimen count: 4; collection dates: 1891-07-19, 1923-07-02, 2014-06-19, 2017-06-24
Juncus scirpoides Lam. - Needle-Pod Rush
Specimen count: 4; collection dates: 1849-06-28, 1879-06-28, 1914-10-04, 2017-07-09
Juncus secundus P. Beauv. ex Poir. - Lopsided Rush
Specimen count: 4; collection dates: 1887-03-02, 1897-06-28, 1916-07-09
Juncus tenuis Willd. - Lesser Poverty Rush
Specimen count: 58; collection dates: 1849-06-26, 1871-09-11, 1875-06-20, 1878-06-00, 1879-06-26, 1882-08-00, 1894-08-27, 1907-08-31, 1908-09-20, 1912-07-13, 1914-10-04, 1914-10-28, 1916-06-27, 1925-06-18, 1925-06-22, 1927-08-11, 1939-07-07, 1946-07-20, 1967-08-08, 1987-06-11, 1990-09-30, 2006-06-06, 2006-06-15, 2009-06-22, 2009-06-29, 2009-07-27, 2009-08-06, 2013-09-15, 2014-05-27, 2014-06-11, 2014-07-16, 2016-06-11, 2016-06-29, 2017-05-26, 2017-06-11, 2017-06-24, 2017-06-29, 2017-07-05, 2017-07-18, 2018-03-17, 2018-04-28, 2018-04-29, 2018-05-29, 2018-06-14, 2018-06-15, 2018-06-17
Juncus torreyi Coville - Torrey's Rush
Specimen count: 1; collection dates: 2009-08-08
Juniperus communis L. - Common Juniper
Specimen count: 24; collection dates: 1800-00-00, 1875-10-09, 1878-05-00, 1880-00-00, 1880-05-24, 1891-00-00, 1904-09-02, 1904-09-09, 1904-09-10, 2017-06-25, 2017-08-06, 2018-04-21, 2018-04-26, 2018-04-27, 2018-05-07
Juniperus virginiana L. - Eastern Red-Cedar
Specimen count: 160; collection dates: 1853-06-23, 1876-05-00, 1878-04-26, 1880-06-08, 1886-04-18, 1893-09-09, 1903-03-28, 1904-09-02, 1904-09-10, 1904-09-22, 1906-10-16, 1938-10-29, 2009-03-22, 2010-10-03, 2014-04-05, 2015-06-19, 2015-06-26, 2015-07-25, 2015-08-30, 2016-04-05, 2016-06-10, 2016-09-26, 2017-02-19, 2017-03-21, 2017-03-26, 2017-03-30, 2017-04-14, 2017-04-18, 2017-04-23, 2017-05-12, 2017-05-15, 2017-05-22, 2017-06-05, 2017-07-06, 2017-07-09, 2017-08-05, 2017-08-28, 2017-09-09, 2017-09-16, 2017-09-29, 2017-10-13, 2017-10-19, 2017-10-23, 2017-10-28, 2017-11-01, 2017-11-02, 2017-11-12, 2017-11-17, 2017-11-25, 2017-11-27, 2017-11-28, 2017-12-06, 2018-01-20, 2018-01-21, 2018-02-09, 2018-03-03, 2018-03-10, 2018-03-13, 2018-03-20, 2018-03-24, 2018-03-27, 2018-03-30, 2018-03-31, 2018-04-26, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-01, 2018-05-02, 2018-05-03, 2018-05-07, 2018-05-11, 2018-06-01
Kalmia angustifolia L. - Sheep-Laurel
Specimen count: 2; collection dates: 1924-11-24, 2000-10-18
Kalmia latifolia L. - Mountain-Laurel
Specimen count: 38; collection dates: 1891-06-00, 1913-04-00, 1924-11-24, 1991-01-19, 2009-06-30, 2009-07-28, 2015-06-14, 2016-06-01, 2017-04-05, 2017-05-06, 2017-05-21, 2017-05-23, 2017-05-31, 2017-06-03, 2017-06-08, 2017-06-10, 2017-06-11, 2018-02-24, 2018-03-10, 2018-03-30, 2018-04-15, 2018-04-26, 2018-04-29, 2018-04-30, 2018-05-01, 2018-05-28, 2018-06-03, 2018-06-07, 2018-06-14
Kerria japonica (L.) DC. - Japanese-Rose
Specimen count: 30; collection dates: 1898-05-11, 1898-06-30, 1900-05-10, 1903-07-09, 1904-05-22, 1925-05-04, 2014-05-02, 2017-04-14, 2017-09-27, 2018-04-22, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-03, 2018-05-09, 2018-05-10, 2018-05-11, 2018-05-22
Koeleria macrantha (Ledeb.) Schult. - Prairie Koeler's Grass
Koelreuteria paniculata Laxm. - Golden Rain-Tree
Specimen count: 35; collection dates: 2006-07-13, 2013-08-26, 2013-10-31, 2014-06-27, 2015-04-29, 2015-06-22, 2015-12-10, 2016-01-21, 2016-04-19, 2016-05-05, 2016-10-05, 2017-07-06, 2017-08-04, 2017-08-22, 2017-09-06, 2017-09-30, 2017-10-05, 2017-10-24, 2017-10-30, 2017-11-09, 2017-12-06, 2018-02-20, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-02, 2018-05-11, 2018-06-13, 2018-06-19
Krigia biflora (Walter) S. F. Blake - Two-Flower Dwarf-Dandelion
Krigia virginica (L.) Willd. - Virginia Dwarf-Dandelion
Specimen count: 11; collection dates: 1877-07-00, 1899-07-00, 1899-07-12, 1900-06-03, 1902-09-00, 1905-05-31, 1913-06-09, 1925-06-12, 2017-04-15, 2017-05-07, 2018-05-28
Kyllinga pumila Michx. - Low Spike Sedge
Specimen count: 1; collection dates: 2016-09-14
Lactuca biennis (Moench) Fernald - Wild Blue Lettuce
Specimen count: 5; collection dates: 1885-08-29, 1899-07-28, 2006-08-07, 2017-09-15, 2018-05-24
Lactuca canadensis L. - Wild Lettuce
Specimen count: 15; collection dates: 1901-07-29, 1903-08-30, 1920-07-27, 2006-07-10, 2009-08-03, 2014-06-06, 2014-07-14, 2017-04-12, 2017-08-21, 2017-08-28, 2017-09-10, 2017-09-22, 2018-06-07
Lactuca floridana (L.) Gaertn. - Woodland Lettuce
Lactuca hirsuta Muhl. ex Nutt. - Hairy Lettuce
Specimen count: 2; collection dates: 1888-10-21, 1904-07-09
Lactuca serriola L. - Prickly Lettuce
Specimen count: 105; collection dates: 2006-07-10, 2007-08-25, 2009-08-03, 2009-08-08, 2012-07-26, 2013-06-14, 2013-08-26, 2015-08-29, 2015-08-30, 2016-06-03, 2016-06-11, 2016-09-14, 2016-09-19, 2017-04-14, 2017-04-15, 2017-04-16, 2017-04-17, 2017-04-30, 2017-05-03, 2017-05-04, 2017-05-18, 2017-05-24, 2017-05-26, 2017-05-27, 2017-06-03, 2017-06-11, 2017-06-13, 2017-06-14, 2017-06-18, 2017-06-19, 2017-06-22, 2017-07-01, 2017-07-02, 2017-07-06, 2017-07-09, 2017-07-15, 2017-07-18, 2017-07-30, 2017-08-02, 2017-08-04, 2017-08-05, 2017-08-06, 2017-08-09, 2017-08-15, 2017-08-24, 2017-09-09, 2018-03-19, 2018-03-20, 2018-04-26, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-05, 2018-05-08, 2018-05-10, 2018-05-11, 2018-05-17, 2018-05-18, 2018-05-22, 2018-05-26, 2018-05-30, 2018-06-02, 2018-06-03, 2018-06-07, 2018-06-08, 2018-06-11, 2018-06-13, 2018-06-14, 2018-06-16
Lamium amplexicaule L. - Giraffehead
Specimen count: 240; collection dates: 1866-06-05, 2006-03-31, 2006-04-01, 2006-04-09, 2006-04-11, 2007-04-21, 2008-04-19, 2009-04-13, 2014-04-17, 2014-04-26, 2015-04-15, 2016-04-02, 2016-06-11, 2017-01-11, 2017-01-12, 2017-01-16, 2017-02-18, 2017-02-19, 2017-03-02, 2017-03-08, 2017-03-21, 2017-04-09, 2017-04-10, 2017-04-14, 2017-04-15, 2017-04-16, 2017-04-17, 2017-04-18, 2017-04-21, 2017-04-25, 2017-04-30, 2017-05-03, 2017-05-26, 2017-11-10, 2017-11-29, 2018-02-14, 2018-02-18, 2018-02-20, 2018-02-26, 2018-02-27, 2018-03-01, 2018-03-03, 2018-03-05, 2018-03-06, 2018-03-08, 2018-03-11, 2018-03-12, 2018-03-16, 2018-03-18, 2018-03-19, 2018-03-20, 2018-03-24, 2018-03-27, 2018-03-29, 2018-03-30, 2018-03-31, 2018-04-03, 2018-04-04, 2018-04-05, 2018-04-07, 2018-04-13, 2018-04-14, 2018-04-15, 2018-04-17, 2018-04-21, 2018-04-23, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-01, 2018-05-05, 2018-05-07, 2018-05-10, 2018-05-11, 2018-05-13, 2018-05-16, 2018-05-17, 2018-05-18, 2018-05-20, 2018-06-03
Lamium galeobdolon (L.) L. - Yellow Archangel
Specimen count: 19; collection dates: 2006-04-23, 2014-05-09, 2018-04-26, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-01, 2018-05-02, 2018-05-03, 2018-05-04, 2018-05-05, 2018-05-06, 2018-05-11, 2018-05-12, 2018-06-14
Specimen count: 28; collection dates: 2006-03-29, 2014-05-03, 2017-04-10, 2017-04-11, 2017-04-17, 2018-03-01, 2018-03-24, 2018-04-19, 2018-04-27, 2018-04-29, 2018-04-30, 2018-05-08, 2018-05-10, 2018-05-14
Lamium maculatum L. - Spotted Henbit
Specimen count: 14; collection dates: 1898-06-07, 1899-05-16, 1903-00-00, 1908-06-15, 1908-06-30, 1935-05-21, 1937-06-07, 2016-04-11, 2018-04-27, 2018-04-30, 2018-05-10, 2018-05-26, 2018-06-14
Lamium purpureum L. - Red Henbit
Specimen count: 727; collection dates: 1988-04-22, 1994-04-18, 2006-03-11, 2006-04-01, 2006-04-09, 2006-04-15, 2007-04-21, 2008-04-19, 2009-04-13, 2009-04-18, 2011-04-23, 2014-03-27, 2014-04-12, 2014-04-17, 2014-05-03, 2015-04-15, 2016-04-05, 2016-06-11, 2016-12-04, 2017-01-01, 2017-01-11, 2017-01-13, 2017-01-25, 2017-02-19, 2017-02-24, 2017-03-21, 2017-03-26, 2017-03-30, 2017-04-04, 2017-04-08, 2017-04-10, 2017-04-11, 2017-04-12, 2017-04-14, 2017-04-15, 2017-04-16, 2017-04-17, 2017-04-18, 2017-04-19, 2017-04-21, 2017-04-23, 2017-04-25, 2017-04-27, 2017-05-02, 2017-05-05, 2017-05-07, 2017-05-10, 2017-05-17, 2017-05-26, 2017-05-27, 2017-06-08, 2017-06-13, 2017-11-29, 2017-12-01, 2017-12-04, 2017-12-06, 2018-01-13, 2018-01-27, 2018-02-09, 2018-02-12, 2018-02-14, 2018-02-18, 2018-02-19, 2018-02-20, 2018-02-26, 2018-02-27, 2018-02-28, 2018-03-01, 2018-03-03, 2018-03-04, 2018-03-05, 2018-03-06, 2018-03-08, 2018-03-10, 2018-03-11, 2018-03-12, 2018-03-14, 2018-03-15, 2018-03-16, 2018-03-19, 2018-03-23, 2018-03-24, 2018-03-26, 2018-03-27, 2018-03-28, 2018
Laportea canadensis (L.) Wedd. - Canadian Wood-Nettle
Specimen count: 29; collection dates: 1925-08-04, 1925-09-22, 1931-10-09, 1987-06-18, 1987-08-26, 2006-07-19, 2014-08-13, 2017-08-03, 2017-08-05, 2017-08-16, 2017-08-17, 2017-09-07, 2017-09-27, 2017-09-29, 2017-10-12
Lappula squarrosa (Retz.) Dumort. - Bristly Sheepburr
Specimen count: 2; collection dates: 1879-07-13, 1893-07-23
Lapsana communis L. - Common Nipplewort
Specimen count: 4; collection dates: 2011-06-15, 2014-08-20, 2017-07-27, 2017-07-30
Lathyrus japonicus Willd. - Sea Vetchling
Specimen count: 4; collection dates: 1884-06-22, 2017-09-10, 2017-09-13, 2018-04-28
Lathyrus latifolius L. - Everlasting-Pea
Specimen count: 3; collection dates: 2008-08-21, 2017-06-29, 2017-08-09
Lathyrus palustris L. - Marsh Vetchling
Specimen count: 6; collection dates: 1876-07-02, 1876-07-16, 1883-06-26, 1884-07-10, 1896-06-14
Lechea intermedia Legg. ex Britton - Round-Fruit Pinweed
Specimen count: 1; collection dates: 1891-09-13
Lechea maritima Legg. ex Britton - Beach Pinweed
Specimen count: 13; collection dates: 1876-09-03, 1876-11-04, 1877-12-30, 1879-08-00, 1883-09-30, 1891-05-17, 1896-08-29, 1897-11-07, 1925-08-06, 1995-08-19, 2007-09-07, 2016-10-29
Lechea minor L. - Thyme-Leaf Pinweed
Specimen count: 12; collection dates: 1848-08-00, 1878-08-27, 1883-08-05, 1883-11-06, 1886-09-05, 1889-09-22, 1894-05-13
Lechea mucronata Raf. - Hairy Pinweed
Specimen count: 14; collection dates: 1877-08-04, 1883-09-23, 1889-09-22, 1898-10-16, 1903-10-31, 1903-11-01, 1915-10-04, 1983-09-23
Lechea pulchella Raf. - Leggett's Pinweed
Specimen count: 1; collection dates: 1891-09-13
Lechea racemulosa Michx. - Oblong-Fruit Pinweed
Lechea tenuifolia Michx. - Narrow-Leaf Pinweed
Leersia oryzoides (L.) Sw. - Rice Cut Grass
Specimen count: 16; collection dates: 1878-08-22, 1878-08-31, 1886-09-02, 1896-08-19, 1925-08-22, 1925-09-12, 1935-09-20, 1965-10-06, 1967-09-02, 1990-09-30, 2004-08-15, 2009-09-04, 2016-10-05, 2017-09-10
Leersia virginica Willd. - White Grass
Specimen count: 23; collection dates: 1878-08-31, 1878-09-02, 1881-10-09, 1886-10-09, 1896-08-19, 1907-08-29, 1908-09-26, 1915-09-14, 1916-08-18, 1920-08-28, 1920-09-03, 1927-08-11, 1965-10-08, 2009-08-08, 2013-09-15, 2014-08-25, 2017-08-06
Lemna minor L. - Common Duckweed
Specimen count: 17; collection dates: 1882-06-18, 1896-09-03, 1899-06-10, 1914-09-00, 1994-07-27, 2006-05-10, 2012-07-14, 2013-08-27, 2014-06-03, 2017-04-18, 2017-05-13, 2017-06-11, 2017-10-08, 2018-03-30, 2018-05-19
Lemna perpusilla Torr. - Minute Duckweed
Specimen count: 5; collection dates: 1861-10-08, 1864-10-00, 1992-08-25
Lemna trisulca L. - Ivy-Leaf Duckweed
Specimen count: 1
Lemna valdiviana Phil. - Pale Duckweed
Leontodon saxatilis Lam. - Lesser Hawkbit
Leonurus cardiaca L. - Motherwort
Specimen count: 39; collection dates: 1890-06-00, 1898-07-07, 1901-12-16, 1903-07-21, 1904-06-20, 1904-06-22, 1904-08-04, 1906-06-11, 1923-07-04, 1936-06-08, 2014-06-25, 2017-01-11, 2017-04-09, 2017-06-14, 2017-08-06, 2017-12-16, 2018-02-15, 2018-03-16, 2018-04-30, 2018-05-03, 2018-05-09, 2018-06-11
Lepidium campestre (L.) W. T. Aiton - Cream-Anther Field Pepperwort
Specimen count: 37; collection dates: 1878-06-00, 1878-07-09, 1884-03-00, 1885-05-17, 1886-06-19, 1887-06-09, 1893-06-28, 1899-06-03, 1899-06-12, 1901-06-10, 1901-06-22, 1910-05-21, 1913-08-04, 1925-05-27, 1927-07-04, 1936-06-01, 1947-05-17, 1949-05-08, 1950-06-02, 1964-05-11, 2017-04-14, 2017-04-17, 2017-04-26, 2017-04-30, 2017-05-21, 2018-04-16
Lepidium densiflorum Schrad. - Miner's Pepperwort
Specimen count: 17; collection dates: 1866-06-24, 1878-06-04, 1886-08-00, 1893-07-02, 1895-06-13, 1895-06-28, 1895-06-30, 1898-06-00, 1903-06-16, 1908-05-23, 1910-05-21, 1916-06-09, 1916-06-16, 1967-07-02, 2017-08-07
Lepidium didymum L. - Lesser Pepperwort
Specimen count: 40; collection dates: 1879-07-00, 1880-07-27, 1901-07-08, 2006-06-14, 2009-06-24, 2009-06-30, 2009-07-10, 2010-07-20, 2016-05-15, 2017-05-07, 2017-05-10, 2017-05-31, 2017-06-02, 2017-06-05, 2017-06-07, 2017-06-08, 2017-06-09, 2017-06-10, 2018-03-30, 2018-04-24, 2018-04-27, 2018-04-30, 2018-05-07, 2018-05-09, 2018-05-10, 2018-05-15, 2018-05-18, 2018-05-22, 2018-05-23, 2018-05-26, 2018-06-03, 2018-06-05, 2018-06-06, 2018-06-10, 2018-06-13, 2018-06-14
Lepidium draba L. - globed-podded hoarycress or whitetop
Specimen count: 3; collection dates: 1911-05-30, 1916-05-31, 1916-06-13
Lepidium latifolium L. - Broad-Leaf Pepperwort
Specimen count: 1; collection dates: 1936-06-10
Lepidium perfoliatum L. - Clasping Pepperwort
Specimen count: 1; collection dates: 1957-06-02
Lepidium ruderale L. - Roadside Pepperwort
Specimen count: 2; collection dates: 1866-00-00, 1898-05-15
Lepidium virginicum L. - Poorman's-Pepperwort
Specimen count: 73; collection dates: 1868-09-09, 1876-07-09, 1879-00-00, 1880-00-00, 1894-08-01, 1899-06-10, 1899-06-19, 1901-07-25, 1905-07-01, 1906-10-15, 1916-06-24, 1920-07-08, 1935-11-13, 1986-10-10, 1998-12-01, 2006-05-03, 2006-05-20, 2006-05-22, 2006-06-17, 2011-05-24, 2011-06-15, 2013-06-14, 2013-06-28, 2013-08-26, 2016-06-10, 2016-06-26, 2016-11-08, 2016-11-17, 2017-01-12, 2017-01-26, 2017-04-29, 2017-04-30, 2017-05-09, 2017-05-21, 2017-05-27, 2017-05-31, 2017-06-07, 2017-06-11, 2017-06-13, 2017-06-14, 2017-06-19, 2017-06-27, 2017-07-02, 2017-07-22, 2017-08-05, 2017-09-26, 2017-10-25, 2017-11-05, 2017-11-09, 2017-11-10, 2017-11-12, 2017-11-19, 2018-02-14, 2018-03-10, 2018-03-16, 2018-05-07, 2018-05-09, 2018-05-10, 2018-05-22, 2018-05-30, 2018-06-03, 2018-06-04, 2018-06-07, 2018-06-09, 2018-06-14, 2018-06-15
Leptochloa panicea (Retz.) Ohwi - Needle Viper Grass
Lespedeza angustifolia (Pursh) Elliot - Narrow-Leaf Bush-Clover
Lespedeza capitata Michx. - Round-Head Bush-Clover
Specimen count: 26; collection dates: 1877-09-09, 1883-09-07, 1884-10-00, 1887-09-05, 1889-09-22, 1895-08-15, 1899-08-14, 1904-09-11, 1914-09-03, 1925-09-24, 1928-09-27, 1941-09-07, 1986-09-09, 2014-08-16, 2016-10-29, 2017-04-17, 2017-05-31, 2017-08-08, 2017-09-22, 2017-09-29, 2017-10-06, 2017-11-27
Lespedeza cuneata (Dum. Cours.) G. Don - Chinese Bush-Clover
Specimen count: 15; collection dates: 1907-09-17, 1943-11-09, 1964-09-16, 2015-08-30, 2016-06-11, 2017-06-20, 2017-08-23, 2017-08-25, 2017-09-09, 2017-09-22, 2017-10-25
Lespedeza frutescens (L.) Hornem. - Shrubby Bush-Clover
Specimen count: 9; collection dates: 1879-00-00, 1879-08-20, 1881-10-02, 1891-09-00, 1891-09-18, 1891-10-18, 1892-10-01, 1894-09-22, 1924-09-04
Lespedeza hirta (L.) Hornem. - Hairy Bush-Clover
Specimen count: 7; collection dates: 1878-09-02, 1883-09-07, 1884-10-05, 1886-09-05, 1893-08-09, 1900-08-25
Lespedeza procumbens Michx. - Trailing Bush-Clover
Specimen count: 17; collection dates: 1868-09-00, 1871-09-17, 1879-08-24, 1886-08-00, 1889-09-22, 1891-08-29, 1891-09-26, 1893-09-02, 1894-09-22, 1898-09-25, 1899-09-01, 1924-09-03, 1941-09-02, 2016-08-25
Lespedeza repens (L.) W. P. C. Barton - Creeping Bush-Clover
Specimen count: 7; collection dates: 1878-09-00, 1883-09-00, 1888-09-02, 1891-09-00, 1891-09-13, 1997-09-12
Lespedeza violacea (L.) Pers. - Violet Bush-Clover
Specimen count: 13; collection dates: 1877-08-18, 1891-09-13, 1891-10-01, 1892-09-04, 1892-09-21, 1893-09-03, 1898-09-21, 1898-09-25, 1899-09-01, 1901-09-09
Lespedeza virginica (L.) Britton - Slender Bush-Clover
Specimen count: 11; collection dates: 1889-09-22, 1891-09-26, 1892-10-01, 1894-09-01, 1904-10-02, 1917-09-29
Leucanthemum vulgare Lam. - Ox-Eye Daisy
Specimen count: 27; collection dates: 1892-09-22, 1896-06-05, 1899-06-27, 1901-10-12, 1920-07-07, 1963-06-06, 2006-05-17, 2015-06-16, 2015-06-24, 2017-01-04, 2017-05-20, 2017-06-08, 2017-07-02, 2017-10-14, 2017-10-20, 2017-10-23, 2017-10-25, 2017-10-31, 2017-11-02, 2017-12-05, 2018-05-26, 2018-05-29, 2018-06-05, 2018-06-14
Leucojum aestivum L. - Summer Snowflake
Specimen count: 24; collection dates: 2014-05-02, 2016-05-13, 2017-04-15, 2017-04-18, 2017-05-03, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30
Liatris scariosa (L.) Willd. - Devil's-Bite
Specimen count: 2; collection dates: 1908-08-28
Liatris spicata (L.) Willd. - Dense Gayfeather
Specimen count: 15; collection dates: 1898-08-02, 1899-07-13, 1899-08-16, 1902-08-20, 1902-08-30, 1902-10-04, 1904-09-27, 1908-07-07, 1923-08-11, 1938-08-10, 1940-07-20, 2013-07-26, 2015-06-23, 2017-07-07, 2018-04-30
Ligustrum obtusifolium Siebold & Zucc. - Border Privet
Specimen count: 5; collection dates: 2013-10-15, 2015-06-03, 2017-06-11, 2018-06-08, 2018-06-09
Ligustrum ovalifolium Nakai - California Privet
Specimen count: 4; collection dates: 2014-06-27, 2015-06-04, 2016-12-01, 2016-12-14
Ligustrum vulgare L. - European Privet
Specimen count: 4; collection dates: 2018-04-27, 2018-04-29, 2018-06-06, 2018-06-09
Lilium canadense L. - Canadian Lily
Specimen count: 17; collection dates: 1849-00-00, 1879-07-18, 1885-07-12, 1893-07-15, 1901-07-16, 1902-07-01, 1902-07-11, 1912-07-23, 1913-07-09, 1914-07-20, 1919-06-23, 1930-07-12
Lilium philadelphicum L. - Wood Lily
Specimen count: 11; collection dates: 1876-07-15, 1882-07-00, 1883-07-04, 1888-07-04, 1899-07-04, 1924-07-09, 1930-07-04
Lilium superbum L. - Turk's-Cap Lily
Specimen count: 18; collection dates: 1876-07-19, 1879-07-22, 1893-07-27, 1896-07-14, 1896-07-25, 1897-07-20, 1898-07-23, 1925-07-26, 1947-08-02, 2016-06-26, 2017-05-08, 2017-05-12, 2017-06-02, 2017-07-15, 2018-04-28
Limonium carolinianum (Walter) Britton - Carolina Sea-Lavender
Specimen count: 18; collection dates: 1878-08-30, 1891-09-13, 1918-08-09, 1948-10-08, 1962-10-12, 2006-08-19, 2006-08-21, 2006-08-23, 2016-06-10, 2016-06-11, 2016-10-22, 2016-10-29, 2017-06-29, 2017-08-09, 2017-08-28, 2017-09-04, 2017-10-13
Linaria dalmatica (L.) P. Mill. - Dalmatian Toadflax
Specimen count: 2; collection dates: 1897-09-21, 1907-10-08
Linaria vulgaris Mill. - Greater Butter-and-Eggs
Specimen count: 86; collection dates: 1865-06-28, 1865-09-19, 1891-09-20, 1920-07-21, 1939-07-31, 2006-06-29, 2008-11-14, 2009-08-06, 2010-11-11, 2014-07-14, 2015-06-16, 2015-06-17, 2016-08-06, 2016-11-08, 2016-11-13, 2016-11-17, 2017-04-16, 2017-04-30, 2017-05-02, 2017-05-04, 2017-06-20, 2017-07-02, 2017-07-05, 2017-07-15, 2017-07-16, 2017-07-24, 2017-08-01, 2017-08-03, 2017-08-05, 2017-08-06, 2017-08-14, 2017-08-21, 2017-08-30, 2017-09-06, 2017-09-10, 2017-09-13, 2017-09-16, 2017-09-21, 2017-09-22, 2017-09-23, 2017-09-25, 2017-09-27, 2017-10-04, 2017-10-07, 2017-10-10, 2017-10-14, 2017-10-18, 2017-10-21, 2017-10-23, 2017-10-27, 2017-10-30, 2017-11-05, 2017-11-09, 2017-11-27, 2018-04-27, 2018-04-28, 2018-04-30, 2018-05-10, 2018-05-13, 2018-06-03, 2018-06-07, 2018-06-11, 2018-06-13
Lindera benzoin (L.) Blume - Northern Spicebush
Specimen count: 1190; collection dates: 1876-03-20, 1878-09-21, 1879-04-26, 1879-09-17, 1882-04-18, 1884-10-05, 1885-05-30, 1898-08-21, 1914-09-11, 1917-04-22, 1924-11-24, 1925-04-01, 1925-05-08, 1925-06-17, 1925-08-24, 1932-09-07, 1949-04-16, 1949-06-11, 1956-05-14, 1967-09-30, 1986-04-15, 1986-10-01, 1987-01-08, 1987-10-09, 1990-09-30, 2000-06-26, 2006-04-06, 2006-07-31, 2006-10-07, 2009-04-13, 2010-09-22, 2013-10-15, 2014-04-17, 2014-05-02, 2015-06-03, 2015-10-12, 2016-06-03, 2016-07-31, 2016-10-01, 2016-10-16, 2017-04-02, 2017-04-07, 2017-04-09, 2017-04-14, 2017-04-15, 2017-04-16, 2017-04-17, 2017-04-18, 2017-05-03, 2017-05-08, 2017-05-12, 2017-06-07, 2017-06-08, 2017-06-11, 2017-06-13, 2017-06-16, 2017-06-17, 2017-06-27, 2017-06-28, 2017-06-29, 2017-06-30, 2017-07-01, 2017-07-05, 2017-07-08, 2017-07-11, 2017-07-12, 2017-07-13, 2017-07-14, 2017-07-15, 2017-07-17, 2017-07-25, 2017-07-26, 2017-08-01, 2017-08-02, 2017-08-03, 2017-08-05, 2017-08-06, 2017-08-09, 2017-08-19, 2017-08-29, 2017-08-30, 2017-08-31, 2017-09-01, 2017-09-10, 2017-09-19, 2017
Lindernia dubia (L.) Pennell - Yellow-Seed False Pimpernel
Specimen count: 15; collection dates: 1864-07-14, 1868-07-00, 1898-07-31, 1903-08-16, 1914-08-16, 1920-08-17, 1929-08-16, 1939-06-23, 2014-10-14, 2015-11-04, 2016-06-26, 2016-07-30, 2017-07-09, 2017-08-17
Linum medium (Planch.) Britton - Stiff Yellow Flax
Specimen count: 1; collection dates: 1925-07-26
Linum perenne L. - Blue Flax
Specimen count: 2; collection dates: 2011-07-04, 2015-05-21
Linum striatum Walter - Ridged Yellow Flax
Specimen count: 3; collection dates: 1869-07-22, 1890-09-10, 1907-08-29
Linum sulcatum Riddell - Grooved Yellow Flax
Linum usitatissimum L. - Cultivated Flax
Specimen count: 13; collection dates: 1879-09-13, 1897-10-17, 1899-06-30, 1899-08-23, 1920-08-16, 1928-07-22, 1948-07-02, 1979-06-28, 2006-06-16, 2015-06-10, 2018-05-25
Linum virginianum L. - Woodland Flax
Specimen count: 7; collection dates: 1876-07-26, 1879-08-23, 1886-10-03, 1895-08-17, 1901-07-25, 1907-08-31
Liparis liliifolia (L.) Rich. ex Lindl. - Brown Wide-Lip Orchid
Specimen count: 3; collection dates: 1877-06-07, 1898-06-11
Liparis loeselii (L.) Rich. - Yellow Wide-Lip Orchid
Specimen count: 6; collection dates: 1890-07-12, 1890-10-12, 1895-06-18, 1904-09-17, 1916-07-14, 2016-06-10
Liquidambar styraciflua L. - Sweet-Gum
Specimen count: 674; collection dates: 1840-00-00, 1875-04-20, 1885-06-08, 1886-05-23, 1889-11-05, 1891-05-03, 1897-10-08, 1903-09-00, 1904-10-16, 1905-07-28, 1906-10-07, 1907-05-30, 1924-11-24, 1925-05-29, 1937-08-15, 1937-10-00, 1964-05-10, 1985-05-15, 1985-06-14, 1986-12-29, 1988-07-18, 1990-09-09, 1991-10-09, 1993-07-03, 2006-05-03, 2006-07-26, 2008-09-15, 2009-07-10, 2013-08-27, 2013-09-29, 2015-05-22, 2015-07-07, 2015-07-31, 2015-09-24, 2015-11-07, 2015-11-29, 2016-04-23, 2016-06-12, 2016-07-03, 2016-07-04, 2016-10-29, 2016-11-09, 2017-01-04, 2017-01-11, 2017-02-19, 2017-03-11, 2017-03-20, 2017-03-26, 2017-04-09, 2017-04-14, 2017-04-15, 2017-04-16, 2017-04-18, 2017-04-20, 2017-04-26, 2017-04-27, 2017-04-30, 2017-05-03, 2017-05-06, 2017-05-10, 2017-05-12, 2017-05-16, 2017-05-26, 2017-06-11, 2017-06-14, 2017-06-15, 2017-06-16, 2017-06-24, 2017-06-27, 2017-06-29, 2017-07-05, 2017-07-06, 2017-07-11, 2017-07-12, 2017-07-14, 2017-07-15, 2017-07-16, 2017-07-20, 2017-08-03, 2017-08-19, 2017-09-19, 2017-09-20, 2017-09-21, 2017-09-27, 2017-10-06, 2017
Liriodendron tulipifera L. - Tuliptree
Specimen count: 350; collection dates: 1877-05-20, 1879-05-00, 1880-06-04, 1885-06-21, 1889-05-25, 1894-06-06, 1895-08-11, 1896-05-30, 1906-10-07, 1924-11-24, 1925-08-28, 1939-06-01, 1963-05-28, 1982-08-10, 1985-07-30, 1987-02-10, 1987-06-02, 1991-10-28, 1993-07-10, 2000-06-26, 2006-05-24, 2006-10-07, 2008-06-02, 2012-03-17, 2012-07-14, 2013-08-26, 2014-06-01, 2014-06-03, 2014-06-11, 2014-08-13, 2014-09-07, 2015-09-29, 2015-12-20, 2016-04-07, 2016-04-13, 2016-04-19, 2016-06-12, 2016-06-19, 2016-06-20, 2016-07-31, 2016-08-21, 2016-09-07, 2016-09-21, 2016-09-24, 2017-03-11, 2017-03-19, 2017-04-14, 2017-04-15, 2017-04-18, 2017-04-27, 2017-04-29, 2017-04-30, 2017-05-03, 2017-05-06, 2017-05-12, 2017-05-15, 2017-05-17, 2017-05-19, 2017-05-23, 2017-05-24, 2017-05-26, 2017-05-27, 2017-05-29, 2017-05-30, 2017-06-01, 2017-06-02, 2017-06-05, 2017-06-07, 2017-06-08, 2017-06-09, 2017-06-10, 2017-06-11, 2017-06-12, 2017-06-13, 2017-06-14, 2017-06-15, 2017-06-16, 2017-06-17, 2017-06-18, 2017-06-27, 2017-06-28, 2017-06-29, 2017-06-30, 2017-07-01, 2017-07-05, 2017
Lithospermum officinale L. - European Gromwell
Specimen count: 1; collection dates: 1877-09-22
Lithospermum virginianum L. - Wild Job's-Tears
Specimen count: 3; collection dates: 1861-06-17, 1879-10-04, 1879-10-05
Lobelia cardinalis L. - Cardinal-Flower
Specimen count: 26; collection dates: 1853-07-24, 1898-09-11, 2013-08-26, 2014-07-15, 2014-07-19, 2014-08-14, 2015-07-10, 2015-09-06, 2015-10-01, 2016-07-26, 2016-08-03, 2016-09-12, 2016-09-19, 2017-07-07, 2017-07-24, 2017-07-30, 2017-08-04, 2017-08-05, 2017-08-06, 2017-08-20, 2017-08-26, 2017-08-27, 2017-09-02, 2017-09-17, 2017-09-19, 2018-04-28
Lobelia inflata L. - Indian-Tobacco
Specimen count: 15; collection dates: 1892-07-00, 1892-07-01, 1899-07-14, 1913-08-04, 1939-08-01, 1940-00-00, 2006-07-03, 2009-08-03, 2009-08-08, 2016-08-03, 2016-08-09, 2017-08-01, 2017-08-04, 2018-05-29
Lobelia nuttallii Schult. - Nuttall's Lobelia
Lobelia siphilitica L. - Great Blue Lobelia
Specimen count: 26; collection dates: 1892-10-00, 1896-09-03, 1899-08-14, 1899-09-00, 1901-09-07, 1901-09-13, 1901-09-14, 1901-09-19, 1913-08-12, 1967-08-02, 2009-08-10, 2010-07-20, 2014-08-14, 2014-09-02, 2014-09-07, 2017-08-30, 2017-09-05, 2017-09-08, 2017-09-19, 2018-05-19
Lobelia spicata Lam. - Pale-Spike Lobelia
Specimen count: 2; collection dates: 1852-07-09
Lobularia maritima (L.) Desv. - Sweet-Alison
Specimen count: 10; collection dates: 1878-08-27, 1908-09-20, 2015-07-27, 2015-10-01, 2017-04-16, 2017-10-02, 2018-04-28, 2018-04-29
Lolium perenne L. - Perennial Rye Grass
Specimen count: 26; collection dates: 1878-05-00, 1878-05-24, 1878-06-00, 1895-07-25, 1896-06-09, 1896-06-12, 1898-05-22, 1901-06-05, 1901-06-08, 1916-05-26, 1936-06-08, 2014-06-06, 2016-06-11, 2017-05-31, 2017-06-01, 2017-06-03, 2017-06-07, 2017-06-25, 2017-08-05, 2018-05-26
Lolium temulentum L. - Poison Darnel
Specimen count: 2; collection dates: 1955-07-04
Lonicera dioica L. - Limber Honeysuckle
Lonicera fragrantissima Lindl. & Paxton - Sweet-Breath-of-Spring
Specimen count: 9; collection dates: 1991-04-30, 2006-03-29, 2014-04-12, 2018-03-30, 2018-04-01, 2018-04-03
Lonicera japonica Thunb. - Japanese Honeysuckle
Specimen count: 199; collection dates: 1877-06-09, 1889-11-05, 1891-11-00, 1906-09-28, 2006-06-01, 2006-06-05, 2013-06-08, 2014-06-11, 2014-06-25, 2015-06-08, 2015-06-11, 2015-08-29, 2015-08-30, 2016-06-02, 2016-06-10, 2016-06-11, 2016-08-07, 2016-11-08, 2017-01-04, 2017-01-11, 2017-02-18, 2017-04-02, 2017-04-08, 2017-04-15, 2017-04-16, 2017-04-17, 2017-04-18, 2017-05-04, 2017-05-11, 2017-05-17, 2017-05-18, 2017-05-21, 2017-05-22, 2017-06-03, 2017-06-04, 2017-06-08, 2017-06-09, 2017-06-10, 2017-06-13, 2017-06-14, 2017-06-24, 2017-08-01, 2017-08-06, 2017-09-05, 2017-09-09, 2017-09-10, 2017-09-12, 2017-09-22, 2017-09-27, 2017-11-06, 2017-11-12, 2017-11-15, 2017-12-03, 2018-02-09, 2018-02-20, 2018-02-28, 2018-03-03, 2018-03-06, 2018-03-10, 2018-03-17, 2018-03-24, 2018-03-29, 2018-04-10, 2018-04-22, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-01, 2018-05-08, 2018-05-10, 2018-05-11, 2018-05-18, 2018-05-25, 2018-05-28, 2018-05-29, 2018-05-31, 2018-06-03, 2018-06-06, 2018-06-08, 2018-06-09, 2018-06-10, 2018-06-11, 2018-06-12, 2018-06-13, 2018
Lonicera maackii (Rupr.) Maxim. - Amur Honeysuckle
Specimen count: 105; collection dates: 1928-10-11, 1938-05-16, 1992-10-25, 1993-07-02, 2006-05-03, 2006-05-18, 2006-10-07, 2010-09-20, 2013-11-14, 2014-06-03, 2014-09-06, 2014-10-05, 2015-10-01, 2016-08-03, 2016-08-24, 2016-10-10, 2017-04-18, 2017-05-10, 2017-05-24, 2017-07-27, 2017-08-15, 2017-09-19, 2017-09-26, 2017-09-27, 2017-10-06, 2017-10-27, 2017-10-28, 2017-11-22, 2017-12-02, 2017-12-07, 2018-04-06, 2018-04-20, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-01, 2018-05-07, 2018-05-09, 2018-05-10, 2018-05-12, 2018-05-13, 2018-05-14, 2018-05-15, 2018-05-21, 2018-05-26
Lonicera morrowii A. Gray - Morrow's Honeysuckle
Specimen count: 36; collection dates: 1898-05-17, 1906-05-23, 1920-09-03, 1921-05-07, 2001-08-03, 2002-08-05, 2006-04-26, 2010-06-27, 2016-06-11, 2017-07-16, 2017-09-05, 2017-09-19, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-05, 2018-05-11, 2018-05-14, 2018-05-15, 2018-05-29
Lonicera sempervirens L. - Trumpet Honeysuckle
Specimen count: 30; collection dates: 1829-00-00, 1878-06-09, 1880-06-23, 1887-00-00, 1887-06-12, 1891-06-28, 1899-06-04, 1900-00-00, 1900-06-20, 1914-10-28, 1937-04-04, 1937-05-27, 1940-04-15, 1985-05-20, 2014-11-13, 2015-07-23, 2017-05-12, 2017-05-13, 2017-09-05, 2017-10-08, 2018-04-28, 2018-04-29, 2018-05-08, 2018-05-17, 2018-05-22, 2018-05-24, 2018-06-02, 2018-06-18
Lonicera tatarica L. - Twinsisters
Specimen count: 15; collection dates: 1872-07-08, 1880-05-12, 1892-05-22, 1898-00-00, 1899-05-17, 1904-07-24, 1924-11-24, 2014-05-21, 2018-04-28
Lotus corniculatus L. - Garden Bird's-Foot-Trefoil
Specimen count: 42; collection dates: 1879-08-15, 1880-05-00, 1880-07-01, 1903-07-21, 1935-06-07, 1940-09-03, 1949-09-24, 2006-06-12, 2011-08-07, 2012-07-21, 2014-08-20, 2015-06-15, 2015-06-22, 2016-06-10, 2016-07-09, 2017-04-17, 2017-05-12, 2017-06-04, 2017-06-16, 2017-06-18, 2017-06-21, 2017-06-25, 2017-07-07, 2017-07-16, 2017-07-22, 2017-08-01, 2017-08-26, 2017-08-30, 2017-09-22, 2017-10-10, 2018-03-03, 2018-04-28, 2018-05-29, 2018-05-31, 2018-06-02
Ludwigia alternifolia L. - Seedbox
Specimen count: 3; collection dates: 2000-10-18, 2017-04-16, 2017-09-22
Ludwigia palustris (L.) Elliott - Marsh Primrose-Willow
Specimen count: 9; collection dates: 1914-09-11, 1923-09-15, 1939-08-11, 1967-08-20, 2009-08-10, 2014-09-16, 2015-10-20, 2017-10-18
Ludwigia peploides (Kunth) P. H. Raven - Floating Primrose-Willow
Specimen count: 5; collection dates: 2013-08-20, 2017-07-19, 2017-09-04, 2017-09-17, 2017-10-16
Ludwigia sphaerocarpa Elliott - Globe-Fruit Primrose-Willow
Specimen count: 1; collection dates: 1828-08-12
Lunaria annua L. - Annual Honesty
Specimen count: 14; collection dates: 1897-05-01, 1925-10-01, 2014-05-02, 2014-07-07, 2015-05-03, 2017-04-14, 2017-05-07, 2017-08-05, 2018-04-28, 2018-05-10, 2018-05-23, 2018-06-02
Lupinus perennis L. - Sundial Lupine
Specimen count: 12; collection dates: 1879-06-08, 1883-05-10, 1883-05-26, 1884-05-10, 1899-05-21, 1918-05-12, 1928-06-03, 2018-05-21
Luzula acuminata Raf. - Hairy Wood-Rush
Specimen count: 1; collection dates: 2018-04-28
Luzula echinata (Small) F. J. Herm. - Hedgehog Wood-Rush
Luzula luzuloides (Lam.) Dandy & Wilmott - Oak-Forest Wood-Rush
Luzula multiflora (Ehrh.) Lej. - Common Wood-Rush
Specimen count: 17; collection dates: 1896-05-16, 2006-04-26, 2009-05-04, 2009-06-04, 2009-06-29, 2016-04-15, 2017-04-02, 2017-04-09, 2017-04-15, 2017-04-16, 2017-05-08, 2017-05-15, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-18
Lychnis flos-cuculi L. - Ragged-Robin
Specimen count: 6; collection dates: 1878-05-07, 1899-06-02, 1905-07-20, 1906-07-16, 1907-06-19, 1913-05-30
Lycium barbarum L. - Matrimony-Vine
Specimen count: 33; collection dates: 1878-08-00, 1885-05-23, 1904-08-30, 1920-08-18, 1928-10-09, 1939-08-03, 2000-11-28, 2006-09-17, 2013-10-15, 2015-09-13, 2015-12-16, 2015-12-30, 2016-09-28, 2016-10-05, 2017-04-18, 2017-06-28, 2017-08-01, 2017-08-05, 2017-08-11, 2017-08-16, 2017-10-28, 2018-05-11, 2018-06-06, 2018-06-07
Lycopodiella alopecuroides (L.) Cranfill - Fox-Tail Club-Moss
Specimen count: 1; collection dates: 1953-12-04
Lycopodiella appressa (Chapm.) Cranfill - Southern Appressed Club-Moss
Lycopodiella inundata (L.) Holub - Northern Bog Club-Moss
Specimen count: 2; collection dates: 2015-10-18, 2017-04-17
Lycopus americanus Muhl. ex W. P. C. Barton - Cut-Leaf Water-Horehound
Specimen count: 28; collection dates: 1881-08-00, 1886-08-14, 1889-07-18, 1892-09-00, 1894-08-05, 1895-09-08, 1895-09-29, 1896-07-20, 1896-10-07, 1898-08-02, 1898-09-09, 1901-08-15, 1905-10-06, 1906-08-25, 1926-09-04, 1936-09-09, 1940-00-00, 1986-10-00, 2016-07-26, 2016-07-27, 2016-09-07, 2017-06-02, 2017-07-11, 2017-07-18, 2017-08-05, 2017-08-25
Specimen count: 1; collection dates: 1898-07-07
Lycopus rubellus Moench - Taper-Leaf Water-Horehound
Specimen count: 21; collection dates: 1891-05-20, 1891-08-29, 1891-10-02, 1898-10-16, 1903-09-21, 1903-09-25, 1905-08-26, 1906-08-25, 1906-09-01, 1908-06-08, 1914-09-03, 1915-09-08, 1920-09-18, 1921-10-19, 1926-09-13, 1926-10-16
Lycopus uniflorus Michx. - Northern Water-Horehound
Specimen count: 2; collection dates: 1926-09-04, 2017-10-06
Lycopus virginicus L. - Virginia Water-Horehound
Specimen count: 19; collection dates: 1889-08-00, 1892-09-15, 1892-09-17, 1896-10-06, 1899-07-14, 1901-09-14, 1906-08-25, 1917-09-16, 1939-07-28, 1966-08-06, 1987-10-03, 2010-07-12, 2010-07-27, 2010-09-16, 2010-09-22, 2012-09-16
Lyonia ligustrina (L.) DC. - Maleberry
Specimen count: 8; collection dates: 1853-06-26, 1894-06-30, 1898-06-18, 1913-06-17, 1936-10-00, 2003-05-15
Lyonia mariana (L.) D. Don - Piedmont Staggerbush
Specimen count: 12; collection dates: 1853-05-15, 1868-06-00, 1868-06-17, 1869-07-22, 1879-06-05, 1887-00-00, 1889-05-19, 1889-08-04, 1896-05-24, 1917-06-16, 1937-06-03
Lysimachia arvensis (L.) U. Manns & Anderb. - Scarlet Yellow-Loosestrife
Specimen count: 1; collection dates: 2009-07-14
Lysimachia ciliata L. - Fringed Yellow-Loosestrife
Specimen count: 13; collection dates: 1896-06-27, 1896-07-20, 1939-07-07, 2006-07-19, 2010-07-20, 2013-06-28, 2014-06-25, 2017-07-15, 2017-09-20, 2017-09-23
Lysimachia clethroides Duby - Goose-Neck Yellow-Loosestrife
Lysimachia hybrida Michx. - Lowland Yellow-Loosestrife
Lysimachia nummularia L. - Creeping-Jenny
Specimen count: 5; collection dates: 1869-07-12, 1920-05-00, 1920-06-24, 2018-04-30, 2018-05-01
Lysimachia punctata L. - Large Yellow-Loosestrife
Lysimachia quadrifolia L. - Whorled Yellow-Loosestrife
Specimen count: 19; collection dates: 1881-07-00, 1887-01-00, 1887-06-16, 1896-06-12, 1985-06-18, 1986-06-10, 2006-06-29, 2009-08-08, 2016-06-19, 2016-07-03, 2016-07-17, 2017-05-12, 2017-05-15, 2018-05-19, 2018-06-08
Lysimachia terrestris (L.) Britton, Sterns & Poggenb. - Swampcandles
Specimen count: 13; collection dates: 1813-06-26, 1876-07-01, 1881-07-09, 1894-10-06, 1895-06-25, 1896-06-27, 1896-07-20, 1898-06-30, 1913-07-08, 1935-06-20, 2016-06-26, 2017-06-29
Lysimachia thyrsiflora L. - Tufted Yellow-Loosestrife
Lythrum alatum Pursh - Wing-Angle Loosestrife
Specimen count: 1; collection dates: 2017-08-31
Lythrum hyssopifolia L. - Hyssop Loosestrife
Specimen count: 3; collection dates: 1879-07-00, 1912-07-09
Lythrum salicaria L. - Purple Loosestrife
Specimen count: 55; collection dates: 1864-08-00, 1870-00-00, 1878-07-22, 1878-08-30, 1878-08-31, 1881-07-01, 1882-09-16, 1920-09-03, 1923-07-02, 1939-06-28, 1954-07-15, 1956-08-06, 1965-09-16, 1966-07-00, 1966-08-06, 1986-07-15, 1987-08-26, 1993-06-30, 2006-06-06, 2010-07-26, 2014-06-03, 2014-06-27, 2014-08-23, 2015-07-21, 2015-10-17, 2016-05-13, 2016-07-26, 2016-08-18, 2016-08-25, 2017-06-07, 2017-07-28, 2017-08-02, 2017-08-17, 2017-08-19, 2017-08-24, 2017-08-31, 2017-09-10, 2017-09-17, 2017-10-17, 2018-04-28, 2018-05-11
Macleaya cordata (Willd.) R. Br. - Plume-Poppy
Maclura pomifera (Raf.) C. K. Schneid. - Osage-Orange
Specimen count: 53; collection dates: 1902-06-03, 1916-08-22, 1925-06-09, 2013-08-27, 2014-06-30, 2015-10-29, 2016-09-21, 2016-09-22, 2016-10-10, 2016-10-30, 2016-12-04, 2017-04-15, 2017-04-17, 2017-05-08, 2017-08-03, 2017-09-26, 2017-10-13, 2017-10-21, 2017-10-27, 2017-10-28, 2017-11-04, 2017-11-07, 2017-11-08, 2017-11-15, 2017-12-04, 2017-12-09, 2018-04-29, 2018-04-30, 2018-05-12, 2018-05-16, 2018-06-01, 2018-06-02
Magnolia acuminata (L.) L. - Cucumber-Tree
Specimen count: 3; collection dates: 1933-07-28, 2010-11-11, 2017-08-28
Magnolia virginiana L. - Sweet-Bay
Specimen count: 25; collection dates: 1869-06-00, 1877-06-11, 1880-06-04, 1898-11-08, 1915-06-22, 1940-00-00, 2003-09-01, 2013-08-27, 2016-08-17, 2016-09-14, 2016-09-28, 2017-03-26, 2017-05-08, 2017-05-23, 2017-09-14, 2017-09-20, 2017-09-27, 2018-04-27, 2018-04-28, 2018-04-29, 2018-06-03, 2018-06-13
Maianthemum canadense Desf. - False Lily-of-the-Valley
Specimen count: 95; collection dates: 1877-05-01, 1883-05-05, 1925-05-17, 1925-07-10, 1940-05-27, 1946-05-00, 1948-06-06, 1963-05-09, 1985-05-01, 1985-05-14, 1995-06-06, 2006-05-10, 2006-05-24, 2016-05-22, 2016-06-28, 2017-04-15, 2017-04-26, 2017-04-30, 2017-05-01, 2017-05-02, 2017-05-08, 2017-05-09, 2017-05-12, 2017-05-15, 2017-05-24, 2017-06-09, 2017-06-29, 2018-03-10, 2018-04-07, 2018-04-10, 2018-04-18, 2018-04-20, 2018-04-22, 2018-04-27, 2018-04-28, 2018-04-29, 2018-05-10, 2018-05-11, 2018-05-18
Maianthemum racemosum (L.) Link - Feathery False Solomon's-Seal
Specimen count: 109; collection dates: 1877-06-17, 1881-06-00, 1884-09-28, 1886-05-28, 1891-05-00, 1910-06-05, 1925-05-29, 1925-05-30, 1939-08-30, 1948-06-06, 1981-05-23, 1985-05-01, 1985-05-14, 1986-05-19, 1986-05-20, 1990-09-30, 1997-07-31, 2006-05-10, 2006-05-17, 2006-05-24, 2009-05-29, 2014-06-20, 2014-09-07, 2015-09-29, 2017-04-17, 2017-04-30, 2017-05-06, 2017-05-07, 2017-05-08, 2017-05-09, 2017-05-12, 2017-05-20, 2017-05-26, 2017-06-06, 2017-06-09, 2017-06-29, 2017-06-30, 2017-07-01, 2017-07-09, 2017-07-13, 2017-07-14, 2017-07-15, 2017-07-20, 2017-07-25, 2017-07-26, 2017-08-01, 2017-08-03, 2017-08-05, 2017-08-15, 2017-08-19, 2017-08-22, 2017-08-26, 2017-09-07, 2017-09-09, 2017-09-12, 2017-09-13, 2017-09-15, 2017-10-07, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-04, 2018-05-06, 2018-05-10, 2018-05-12, 2018-05-13, 2018-05-14, 2018-05-19, 2018-05-20, 2018-05-22, 2018-05-24, 2018-05-25, 2018-05-28, 2018-06-03, 2018-06-07
Maianthemum stellatum (L.) Link - Starry False Solomon's-Seal
Specimen count: 16; collection dates: 1877-06-21, 1878-05-05, 1892-06-05, 1903-09-27, 1906-05-20, 1910-05-22, 1915-06-05, 1928-06-01, 2015-09-06, 2016-07-03, 2017-06-28
Malaxis bayardii Fernald - Bayard's Adder's-Mouth Orchid
Malaxis unifolia Michx. - Green Adder's-Mouth Orchid
Specimen count: 7; collection dates: 1888-10-13, 1889-08-04, 1890-07-12, 1899-07-14, 1905-07-09, 1907-08-13, 1920-07-27
Malus baccata (L.) Borkh. - Siberian Crabapple
Specimen count: 12; collection dates: 1898-05-11, 1898-05-13, 1903-09-00, 1904-05-10, 1904-09-08, 1906-09-25, 1938-04-27, 1941-04-28, 2013-09-15, 2013-10-15, 2015-08-30
Malus hupehensis (Pamp.) Rehder - Tea Crabapple
Specimen count: 50; collection dates: 1941-05-10, 1945-04-10, 2006-10-07, 2014-04-26, 2014-05-03, 2014-06-30, 2015-04-29, 2015-05-03, 2015-05-04, 2015-05-05, 2015-05-20, 2015-06-03, 2016-07-13, 2016-08-24, 2016-11-03, 2017-04-17, 2017-04-18, 2017-05-07, 2017-05-21, 2017-09-06, 2018-03-10, 2018-04-22, 2018-04-27, 2018-04-28, 2018-04-30, 2018-05-02, 2018-05-03
Malus prunifolia (Willd.) Borkh. - Pear-Leaf Crabapple
Specimen count: 3; collection dates: 2015-05-03, 2015-06-10, 2016-05-11
Malus pumila Mill. - Cultivated Apple
Specimen count: 20; collection dates: 1898-05-00, 1940-05-14, 1998-11-05, 2015-05-05, 2017-10-01, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-01, 2018-05-02, 2018-06-01, 2018-06-14
Malus toringo (Siebold) Siebold ex de Vriese - Toringo Crabapple
Specimen count: 12; collection dates: 2015-11-18, 2016-06-01, 2016-06-29, 2016-07-06, 2016-07-27, 2016-08-24, 2018-04-27, 2018-04-30
Malva moschata L. - Musk Mallow
Specimen count: 2; collection dates: 2015-05-28, 2017-07-13
Malva neglecta Wallr. - Dwarf Mallow
Specimen count: 108; collection dates: 1911-09-25, 2006-05-03, 2006-06-17, 2011-07-27, 2013-07-12, 2013-08-21, 2014-05-03, 2014-06-03, 2016-06-11, 2016-09-28, 2017-01-26, 2017-03-26, 2017-04-09, 2017-04-10, 2017-04-14, 2017-04-16, 2017-05-03, 2017-05-05, 2017-05-07, 2017-05-10, 2017-05-12, 2017-05-26, 2017-05-27, 2017-06-03, 2017-06-05, 2017-06-07, 2017-06-14, 2017-06-18, 2017-06-19, 2017-06-29, 2017-09-04, 2017-09-18, 2017-09-22, 2017-09-25, 2017-09-26, 2017-10-14, 2017-10-26, 2017-10-30, 2017-11-09, 2017-11-14, 2017-11-15, 2017-11-24, 2017-11-28, 2017-11-29, 2017-11-30, 2017-12-02, 2017-12-04, 2017-12-06, 2017-12-08, 2018-01-13, 2018-02-20, 2018-02-27, 2018-03-12, 2018-03-16, 2018-03-19, 2018-03-24, 2018-03-27, 2018-03-29, 2018-04-01, 2018-04-15, 2018-04-23, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-01, 2018-05-12, 2018-05-15, 2018-05-16, 2018-05-18, 2018-05-19, 2018-05-24, 2018-05-25, 2018-05-28, 2018-05-30, 2018-06-01, 2018-06-08, 2018-06-10, 2018-06-12
Malva sylvestris L. - High Mallow
Specimen count: 13; collection dates: 1887-07-00, 1954-06-28, 2014-09-16, 2015-06-05, 2015-06-10, 2017-04-14, 2017-04-15, 2017-08-22, 2017-12-03, 2018-05-30
Marrubium vulgare L. - White Horehound
Specimen count: 2; collection dates: 1806-07-00, 1899-07-12
Matricaria chamomilla L. - Wild Chamomile
Specimen count: 6; collection dates: 1899-08-01, 1905-07-10, 1924-10-01, 1993-07-05, 2007-01-19, 2018-06-14
Matricaria discoidea DC. - Pineapple-Weed
Specimen count: 66; collection dates: 1898-09-13, 1899-07-01, 1910-06-02, 1936-05-28, 1960-05-18, 1998-06-02, 2006-04-26, 2006-05-08, 2014-06-11, 2015-06-18, 2016-06-11, 2017-01-16, 2017-04-10, 2017-04-17, 2017-05-06, 2017-05-12, 2017-05-26, 2017-05-27, 2017-05-28, 2017-06-03, 2017-06-07, 2017-06-11, 2017-06-14, 2017-06-24, 2017-07-01, 2017-11-21, 2018-02-14, 2018-02-20, 2018-04-15, 2018-04-21, 2018-04-27, 2018-04-28, 2018-04-30, 2018-05-08, 2018-05-13, 2018-05-15, 2018-05-17, 2018-05-18, 2018-05-20, 2018-05-21, 2018-05-23, 2018-05-25, 2018-05-26, 2018-05-27, 2018-05-28, 2018-05-30, 2018-06-08, 2018-06-14
Matteuccia struthiopteris (L.) Tod. - Ostrich Fern
Specimen count: 72; collection dates: 2014-05-20, 2014-07-07, 2014-10-02, 2015-08-09, 2017-01-11, 2017-02-19, 2017-04-15, 2017-04-18, 2017-06-14, 2017-09-19, 2017-09-22, 2017-09-23, 2017-09-24, 2018-04-16, 2018-04-17, 2018-04-23, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-03, 2018-05-06, 2018-05-07, 2018-05-10, 2018-05-13, 2018-05-26
Mazus miquelii Makino - Creeping Mazus
Mazus pumilus (Burm. f.) Steenis - Japanese Mazus
Specimen count: 30; collection dates: 2009-08-18, 2012-07-31, 2013-09-29, 2014-06-03, 2015-06-11, 2016-06-26, 2016-07-04, 2016-11-24, 2017-04-17, 2017-04-18, 2017-06-11, 2017-06-13, 2017-08-01, 2017-09-16, 2017-10-01, 2018-04-28, 2018-04-29, 2018-05-03, 2018-05-11, 2018-05-26, 2018-06-09, 2018-06-10, 2018-06-11, 2018-06-16
Medeola virginiana L. - Indian Cucumber-Root
Specimen count: 25; collection dates: 1868-06-00, 1878-06-01, 1879-05-29, 1893-06-03, 1895-05-18, 1895-05-30, 1896-05-23, 1896-05-27, 1897-05-27, 1898-06-15, 1898-07-30, 1899-06-15, 1900-05-27, 1900-06-10, 1906-05-13, 1913-07-04, 1987-05-12, 2018-05-23
Medicago lupulina L. - Black Medick
Specimen count: 98; collection dates: 1876-08-04, 1877-05-19, 1879-06-06, 1882-06-13, 1891-06-00, 1920-08-23, 1925-06-02, 1925-07-14, 1939-06-22, 1946-06-08, 1946-07-01, 1950-06-09, 1964-05-25, 1993-03-17, 2006-06-01, 2006-06-15, 2010-11-11, 2014-06-20, 2014-07-07, 2015-06-24, 2015-11-18, 2016-06-11, 2016-06-19, 2017-04-09, 2017-04-16, 2017-05-12, 2017-05-17, 2017-05-19, 2017-05-21, 2017-05-26, 2017-05-27, 2017-05-28, 2017-05-31, 2017-06-07, 2017-06-08, 2017-06-18, 2017-06-19, 2017-06-21, 2017-06-22, 2017-06-30, 2017-07-01, 2017-07-02, 2017-07-07, 2017-08-05, 2017-12-02, 2018-04-15, 2018-04-26, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-03, 2018-05-08, 2018-05-10, 2018-05-11, 2018-05-17, 2018-05-18, 2018-05-23, 2018-05-25, 2018-05-27, 2018-05-28, 2018-05-30, 2018-06-03, 2018-06-04, 2018-06-07, 2018-06-08, 2018-06-11, 2018-06-13, 2018-06-14, 2018-06-15, 2018-06-16
Medicago sativa L. - Alfalfa
Specimen count: 20; collection dates: 1881-06-00, 1881-07-00, 1895-07-03, 1896-06-14, 1925-06-10, 1944-06-04, 2006-06-15, 2016-09-19, 2017-06-03, 2017-06-22, 2017-06-25, 2017-07-02, 2017-07-27, 2017-09-04, 2017-12-03, 2018-05-28, 2018-06-02
Melampyrum lineare Desr. - American Cow-Wheat
Specimen count: 1; collection dates: 1871-05-28
Melilotus albus Medik. - White Sweet-Clover
Specimen count: 50; collection dates: 1874-07-07, 1876-08-10, 1879-07-28, 1880-07-01, 1880-07-27, 1883-07-26, 1886-06-00, 1920-08-05, 1935-11-13, 1946-07-06, 1947-07-10, 2006-07-16, 2007-07-14, 2008-11-14, 2013-06-28, 2014-07-30, 2015-08-29, 2015-08-30, 2016-10-14, 2017-06-21, 2017-06-24, 2017-06-25, 2017-07-01, 2017-07-02, 2017-07-15, 2017-07-18, 2017-07-24, 2017-08-05, 2017-08-12, 2017-08-30, 2017-09-22, 2017-09-23, 2017-10-28, 2017-11-05, 2017-11-21, 2018-06-09, 2018-06-11, 2018-06-14
Melilotus officinalis (L.) Lam. - Yellow Sweet-Clover
Specimen count: 42; collection dates: 1877-08-18, 1878-06-11, 1879-06-02, 1880-07-04, 1883-06-08, 1896-00-00, 1899-06-01, 1920-05-28, 1925-06-02, 1925-07-11, 1925-08-01, 1949-06-17, 2006-05-20, 2006-06-17, 2007-06-09, 2016-05-25, 2016-06-11, 2016-06-13, 2017-04-17, 2017-05-21, 2017-06-01, 2017-06-02, 2017-06-03, 2017-06-08, 2017-06-15, 2017-06-20, 2017-06-21, 2017-06-25, 2017-07-04, 2017-07-07, 2017-09-22, 2018-05-29, 2018-06-02, 2018-06-03, 2018-06-05, 2018-06-13
Menispermum canadense L. - Canadian Moonseed
Specimen count: 24; collection dates: 1879-07-08, 1885-07-01, 1886-08-07, 1893-09-04, 1896-07-12, 1903-10-04, 1915-09-14, 1921-06-03, 1925-06-02, 1943-09-25, 1949-05-08, 1949-06-11, 1990-09-30, 2006-06-27, 2008-06-12, 2017-06-11, 2017-06-17, 2017-07-12, 2017-08-06, 2017-08-17, 2017-08-19, 2017-10-07, 2018-06-09
Mentha arvensis L. - American Wild Mint
Specimen count: 13; collection dates: 1891-07-09, 1891-07-31, 1891-09-07, 1891-09-13, 1895-08-00, 1897-00-00, 1901-09-00, 1904-10-25, 1906-08-19, 1914-09-03, 1916-09-16
Mentha canadensis L. - American Wild Mint
Specimen count: 13; collection dates: 1891-07-09, 1891-07-31, 1891-09-07, 1891-09-13, 1895-08-00, 1897-00-00, 1901-09-00, 1904-10-25, 1906-08-19, 1914-09-03, 1916-09-16
Mentha longifolia (L.) Huds. - Mint
Specimen count: 1; collection dates: 1898-09-02
Mentha spicata L. - Spearmint
Specimen count: 8; collection dates: 1898-09-11, 2014-07-07, 2014-07-16, 2017-07-29, 2017-11-14, 2017-11-29, 2018-04-27
Menyanthes trifoliata L. - Buck-Bean
Mertensia virginica (L.) Pers. ex Link - Virginia Bluebells
Specimen count: 149; collection dates: 1908-04-28, 1935-04-26, 2014-04-17, 2014-05-03, 2016-05-13, 2017-04-01, 2017-04-14, 2017-04-15, 2017-04-16, 2017-04-17, 2017-04-18, 2017-04-20, 2017-04-21, 2017-04-22, 2017-04-23, 2017-05-02, 2017-05-06, 2017-05-07, 2017-05-14, 2018-03-28, 2018-04-07, 2018-04-11, 2018-04-12, 2018-04-13, 2018-04-14, 2018-04-20, 2018-04-22, 2018-04-26, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-03, 2018-05-04, 2018-05-06, 2018-05-07, 2018-05-11, 2018-05-12, 2018-05-22
Micranthes pensylvanica (L.) Haw. - Eastern Swamp Pseudosaxifrage
Specimen count: 7; collection dates: 1875-05-00, 1899-06-20, 1900-05-05, 1906-05-20, 1925-06-17
Micranthes virginiensis (Michx.) Small - Early Pseudosaxifrage
Specimen count: 20; collection dates: 1868-05-00, 1876-05-08, 1881-05-00, 1884-04-20, 1885-06-21, 1887-04-00, 1891-04-00, 1892-05-00, 1896-04-22, 1899-04-29, 1914-04-27, 1915-04-23, 1915-04-24, 1925-04-30, 1939-04-29, 2016-04-15, 2017-04-09, 2017-04-15, 2018-05-07
Microstegium vimineum (Trin.) A. Camus - Japanese Stilt Grass
Specimen count: 12; collection dates: 1991-09-21, 1998-09-23, 2014-06-19, 2015-08-18, 2017-09-10, 2017-09-27, 2018-03-17, 2018-05-19
Mikania scandens (L.) Willd. - Climbing Hempvine
Specimen count: 12; collection dates: 1899-09-01, 1901-10-01, 1932-08-24, 2016-09-15, 2017-09-23, 2017-09-26, 2017-10-01, 2018-04-30, 2018-05-19, 2018-06-09
Milium effusum L. - American Millet Grass
Mimulus alatus Aiton - Sharp-Wing Monkey-Flower
Specimen count: 2; collection dates: 1881-08-14, 1899-09-06
Mimulus ringens L. - Allegheny Monkey-Flower
Specimen count: 17; collection dates: 1868-07-00, 1877-08-00, 1879-06-22, 1894-09-08, 1895-08-03, 1904-08-06, 1915-09-23, 1917-09-16, 1925-08-04, 1940-07-13, 1940-08-01, 2016-07-24, 2016-07-28, 2018-01-10, 2018-05-19
Mirabilis albida (Walter) Heimerl - White Four-O'clock
Specimen count: 2; collection dates: 2017-06-25, 2017-07-02
Mirabilis nyctaginea (Michx.) MacMill. - Heart-Leaf Four-O'clock
Specimen count: 35; collection dates: 1925-00-00, 1925-07-14, 1940-06-20, 1964-06-16, 1993-09-06, 2000-06-12, 2009-06-04, 2016-06-10, 2016-06-11, 2017-05-12, 2017-05-21, 2017-06-08, 2017-06-09, 2017-06-14, 2017-06-21, 2017-06-23, 2017-06-25, 2017-08-09, 2017-10-08, 2018-05-18, 2018-05-28, 2018-05-30, 2018-06-02, 2018-06-03, 2018-06-07, 2018-06-14, 2018-06-15
Miscanthus sacchariflorus (Maxim.) Benth. & Hook.f. ex Franch. - Amur Silver Grass
Miscanthus sinensis Andersson - Chinese Silver Grass
Specimen count: 34; collection dates: 1898-08-24, 1898-10-24, 1905-10-08, 1906-10-08, 1925-10-06, 1928-09-27, 1946-08-27, 1963-10-19, 1966-10-04, 2007-10-15, 2008-09-27, 2008-10-07, 2015-08-10, 2017-04-17, 2017-08-07, 2017-10-17, 2017-11-21, 2017-11-27, 2017-11-29, 2017-11-30, 2017-12-01, 2017-12-02, 2018-04-30, 2018-06-14
Mitchella repens L. - Partridge-Berry
Specimen count: 14; collection dates: 2009-06-04, 2015-06-03, 2017-04-02, 2017-04-15, 2017-05-15, 2017-09-20, 2017-10-10, 2018-04-22, 2018-04-27, 2018-04-30
Moehringia lateriflora (L.) Fenzl - Blunt-Leaf Grove-Sandwort
Specimen count: 11; collection dates: 1876-05-20, 1877-06-00, 1878-06-00, 1881-06-00, 1886-05-31, 1906-05-20, 1907-06-08, 1915-05-31, 1929-05-28
Molinia caerulea (L.) Moench - Purple Moor Grass
Specimen count: 2; collection dates: 1906-06-04, 2018-04-27
Mollugo verticillata L. - Green Carpetweed
Specimen count: 38; collection dates: 1893-09-12, 1899-07-22, 1899-07-30, 1903-08-08, 1925-07-05, 1925-08-01, 1934-08-27, 1939-07-18, 1940-08-20, 2001-09-03, 2006-05-30, 2006-08-17, 2009-06-30, 2011-09-04, 2013-10-15, 2014-06-25, 2016-06-26, 2016-07-03, 2016-07-08, 2017-06-11, 2017-06-20, 2017-07-03, 2017-07-07, 2017-07-13, 2017-07-27, 2017-07-30, 2017-08-05, 2017-08-06, 2017-10-13, 2017-11-05, 2017-11-10, 2018-05-24, 2018-06-10, 2018-06-13, 2018-06-18
Monarda citriodora Cerv. ex Lag. - Lemon Beebalm
Specimen count: 3; collection dates: 1905-08-21, 1911-07-06, 2016-09-14
Monarda didyma L. - Scarlet Beebalm
Specimen count: 7; collection dates: 1904-07-09, 1907-08-23, 1940-08-09, 2013-06-27, 2015-06-18, 2016-07-20, 2018-05-01
Monarda fistulosa L. - Oswego-Tea
Specimen count: 43; collection dates: 1880-07-03, 1903-07-07, 1908-08-06, 1939-06-24, 1939-07-20, 1969-07-09, 2006-06-30, 2007-07-14, 2013-07-26, 2014-07-02, 2015-07-08, 2016-06-10, 2016-07-05, 2016-07-08, 2016-07-26, 2017-04-23, 2017-07-02, 2017-07-03, 2017-07-07, 2017-07-15, 2017-07-16, 2017-07-22, 2017-07-28, 2017-08-01, 2017-08-06, 2017-08-09, 2017-08-10, 2017-08-11, 2018-04-29, 2018-04-30, 2018-05-24, 2018-06-02
Monarda punctata L. - Spotted Beebalm
Specimen count: 6; collection dates: 1944-08-01, 2015-09-04, 2017-08-24, 2017-09-17
Monotropa uniflora L. - One-Flower Indian-Pipe
Specimen count: 23; collection dates: 1896-07-27, 1987-06-29, 2009-06-30, 2009-07-28, 2009-08-08, 2012-07-11, 2016-07-05, 2016-07-17, 2016-07-18, 2016-07-19, 2016-07-20, 2016-07-24, 2017-04-29, 2017-07-15, 2017-08-02, 2017-08-06, 2017-08-10, 2017-08-15, 2017-08-30
Morella caroliniensis (Mill.) Small - Evergreen Bayberry
Specimen count: 3; collection dates: 2016-06-11
Morus alba L. - White Mulberry
Specimen count: 314; collection dates: 1865-07-15, 1876-05-25, 1879-05-00, 1879-05-19, 1888-06-10, 1889-05-25, 1900-09-23, 1901-05-31, 1905-08-13, 1906-10-27, 1910-08-05, 1925-05-10, 1925-05-15, 1925-06-09, 1933-06-09, 1940-05-31, 1986-10-11, 1987-03-02, 1987-04-23, 1988-05-13, 1990-09-30, 1993-06-06, 1996-06-27, 2000-05-05, 2000-11-27, 2006-05-03, 2006-05-22, 2006-06-17, 2006-07-27, 2007-06-06, 2007-06-09, 2009-05-29, 2009-06-04, 2009-06-22, 2013-08-26, 2014-05-21, 2015-08-30, 2016-06-10, 2016-06-11, 2016-06-12, 2016-09-06, 2017-04-05, 2017-04-14, 2017-04-18, 2017-04-30, 2017-05-02, 2017-05-05, 2017-05-06, 2017-05-09, 2017-05-12, 2017-05-20, 2017-05-24, 2017-06-01, 2017-06-03, 2017-06-07, 2017-06-08, 2017-06-11, 2017-06-14, 2017-06-15, 2017-06-22, 2017-06-24, 2017-06-30, 2017-07-01, 2017-07-02, 2017-07-06, 2017-07-16, 2017-08-05, 2017-08-06, 2017-08-09, 2017-08-15, 2017-08-28, 2017-08-31, 2017-09-04, 2017-09-06, 2017-09-11, 2017-09-14, 2017-09-20, 2017-09-21, 2017-09-27, 2017-10-02, 2017-10-03, 2017-10-04, 2017-10-05, 2017-10-06, 2017-10-07, 2017
Morus rubra L. - Red Mulberry
Specimen count: 27; collection dates: 1894-00-00, 1896-05-16, 1896-06-27, 1896-06-30, 1898-06-26, 1899-05-16, 1905-08-13, 1919-07-27, 1923-09-01, 1930-07-20, 1987-03-02, 1998-06-02, 2006-06-06, 2016-07-26, 2017-08-26, 2018-03-24, 2018-03-26, 2018-04-13, 2018-06-07, 2018-06-11
Muhlenbergia frondosa (Poir.) Fernald - Wire-Stem Muhly
Specimen count: 15; collection dates: 1880-00-00, 1880-08-00, 1882-09-10, 1893-09-17, 1898-10-08, 1899-09-00, 1909-09-19, 1915-10-22, 1921-09-16, 1922-09-18, 1922-09-23, 1946-08-27
Muhlenbergia mexicana (L.) Trin. - Mexican Muhly
Specimen count: 15; collection dates: 1878-08-00, 1878-09-00, 1880-09-00, 1891-08-27, 1891-10-11, 1892-10-12, 1895-09-29, 1896-09-03, 1899-09-00, 1901-09-07, 1909-10-03, 1929-10-07, 1936-09-16
Muhlenbergia schreberi J. F. Gmel. - Nimblewill
Specimen count: 17; collection dates: 1874-09-00, 1896-09-21, 1903-09-00, 1915-09-14, 1915-10-27, 1916-09-02, 1936-09-25, 2006-09-06, 2013-08-27, 2013-09-29, 2014-09-02, 2016-08-19, 2016-09-13, 2016-11-02
Muhlenbergia sobolifera (Muhl. ex Willd.) Trin. - Rock Muhly
Specimen count: 4; collection dates: 1896-08-19, 1904-08-23, 1925-09-01, 1961-09-22
Muhlenbergia sylvatica (Torr.) Torr. ex A. Gray - Woodland Muhly
Specimen count: 2; collection dates: 1878-08-10, 1898-09-25
Muhlenbergia tenuiflora (Willd.) Britton, Sterns & Poggenb. - Slim-Flower Muhly
Specimen count: 4; collection dates: 1881-10-02, 1895-07-21, 1896-08-25, 1898-09-21
Muscari botryoides (L.) Mill. - Common Grape-Hyacinth
Specimen count: 36; collection dates: 1885-04-27, 1896-04-21, 2017-04-14, 2018-03-10, 2018-04-10, 2018-04-19, 2018-04-22, 2018-04-24, 2018-04-26, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-03, 2018-05-04, 2018-05-07, 2018-05-09
Muscari neglectum Guss. ex Ten. - Starch Grape-Hyacinth
Specimen count: 17; collection dates: 2017-04-14, 2017-04-17, 2017-04-28, 2018-04-23, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-01, 2018-05-03, 2018-05-05, 2018-06-11
Myosotis arvensis (L.) Hill - Rough Forget-Me-Not
Specimen count: 3; collection dates: 1896-06-11, 1896-06-21
Myosotis discolor Pers. - Yellow Scorpion-Grass
Specimen count: 2; collection dates: 1882-06-10, 2012-05-12
Myosotis laxa Lehm. - Bay Forget-Me-Not
Specimen count: 7; collection dates: 1876-06-06, 1889-06-02, 1891-06-00, 1896-05-30
Myosotis scorpioides L. - True Forget-Me-Not
Specimen count: 16; collection dates: 1871-07-00, 1888-06-21, 1893-06-18, 1893-07-09, 1939-07-11, 1976-00-00, 1994-08-10, 1995-06-07, 2006-06-09, 2009-07-10, 2011-06-13, 2017-05-29, 2017-08-24, 2018-04-29
Myosotis stricta Link ex Roem. & Schult. - Blue Scorpion-Grass
Specimen count: 27; collection dates: 2016-06-11, 2017-04-16, 2017-04-30, 2017-05-11, 2017-05-12, 2017-05-18, 2017-05-21, 2017-06-10, 2018-04-13, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-04, 2018-05-11, 2018-05-16, 2018-05-18, 2018-05-29
Myosotis verna Nutt. - Spring Forget-Me-Not
Specimen count: 5; collection dates: 1882-06-10, 1887-06-00, 1909-06-20, 2011-06-27
Myosoton aquaticum (L.) Moench - Giant-Chickweed
Specimen count: 1; collection dates: 1949-06-13
Myrica gale L. - Sweetgale
Specimen count: 1; collection dates: 1946-04-13
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenb. - Cut-Leaf Water-Milfoil
Myriophyllum spicatum L. - Eurasian Water-Milfoil
Myriopteris lanosa (Michx.) Grusz & Windham - Hairy Lip Fern
Nabalus albus (L.) Hook. - White Rattlesnake-Root
Specimen count: 1; collection dates: 2018-05-18
Nabalus altissimus (L.) Hook. - Tall Rattlesnake-Root
Specimen count: 4; collection dates: 1899-09-21, 1917-09-22, 1926-09-13
Nabalus racemosus (Michx.) Hook. - Purple Rattlesnake-Root
Nabalus serpentarius (Pursh) Hook. - cankerweed
Specimen count: 1; collection dates: 2017-04-26
Nabalus trifoliolatus Cass. - Gall-of-the-Earth
Specimen count: 2; collection dates: 1940-10-08, 2017-09-09
Najas flexilis (Willd.) Rostk. & W. L. E. Schmidt - Northern Waternymph
Specimen count: 1
Najas minor All. - Brittle Waternymph
Specimen count: 1; collection dates: 1994-00-00
Nasturtium officinale W. T. Aiton - Watercress
Specimen count: 20; collection dates: 1861-07-30, 1877-06-25, 1882-08-06, 1883-09-23, 1890-06-29, 1898-06-00, 1909-06-03, 1921-09-08, 1948-05-18, 2017-06-05, 2017-09-19, 2018-02-28, 2018-03-03, 2018-03-10, 2018-03-30, 2018-05-22
Nepeta cataria L. - Catnip
Specimen count: 15; collection dates: 1853-06-29, 1876-06-29, 1905-08-21, 1908-07-16, 1920-09-08, 2009-08-03, 2016-08-09, 2017-10-18, 2018-04-27, 2018-04-28, 2018-05-14, 2018-05-17
Nicandra physalodes (L.) Gaertn. - Apple-of-Peru
Specimen count: 2; collection dates: 1879-08-14, 1897-08-22
Nicotiana rustica L. - Aztec Tobacco
Specimen count: 11; collection dates: 1845-00-00, 1880-00-00, 1898-09-08, 1899-07-31, 1906-10-08, 2012-07-17, 2012-07-18, 2012-08-15
Nuphar advena (Aiton) W. T. Aiton - Yellow Pond-Lily
Specimen count: 16; collection dates: 1879-07-00, 1881-05-00, 1905-05-14, 1925-07-00, 2017-05-27, 2017-05-28, 2017-05-29, 2018-04-28, 2018-04-29, 2018-06-05, 2018-06-12
Nuphar variegata Durand - Bullhead-Lily
Specimen count: 1; collection dates: 2015-06-10
Nuttallanthus canadensis (L.) D. A. Sutton - Oldfield-Toadflax
Specimen count: 36; collection dates: 1862-07-15, 1865-06-17, 1877-06-16, 1879-05-29, 1885-07-19, 1891-06-16, 1892-10-00, 1902-06-14, 1911-09-12, 1936-06-18, 1940-06-09, 2006-05-17, 2010-07-22, 2016-06-10, 2016-06-11, 2017-04-15, 2017-04-17, 2017-05-15, 2017-05-18, 2017-05-19, 2017-06-03, 2017-06-13, 2017-06-20, 2017-06-29, 2017-07-09, 2018-05-05, 2018-05-29, 2018-06-04, 2018-06-06
Nymphaea odorata Aiton - American White Water-Lily
Specimen count: 16; collection dates: 1880-00-00, 1880-06-00, 1880-07-14, 1896-06-14, 1897-10-09, 1898-07-17, 1925-07-25, 1932-07-26, 1949-06-11, 1975-06-30, 2013-10-20, 2017-05-13, 2018-04-28, 2018-04-29, 2018-06-15
Nymphoides peltata (S. G. Gmel.) Kuntze - Yellow Floatingheart
Specimen count: 3; collection dates: 1938-08-06, 2013-08-20, 2015-08-15
Nyssa sylvatica Marshall - Black Tupelo
Specimen count: 58; collection dates: 1909-06-00, 1967-10-08, 1986-12-29, 1993-07-28, 2006-05-10, 2006-07-26, 2008-09-15, 2014-09-02, 2015-08-30, 2015-10-26, 2015-11-14, 2016-05-11, 2016-06-10, 2016-07-03, 2016-09-28, 2016-11-03, 2016-11-08, 2017-03-26, 2017-04-09, 2017-04-15, 2017-04-30, 2017-05-01, 2017-05-08, 2017-05-12, 2017-05-15, 2017-05-16, 2017-07-11, 2017-07-12, 2017-08-06, 2017-09-19, 2017-09-26, 2017-09-27, 2017-10-10, 2017-10-18, 2017-10-26, 2017-11-29, 2018-02-26, 2018-02-27, 2018-02-28, 2018-03-01, 2018-03-20, 2018-04-27, 2018-04-29, 2018-05-08, 2018-05-18, 2018-05-30, 2018-06-02
Oclemena acuminata (Michx.) Greene - Whorled Nodding-Aster
Specimen count: 5; collection dates: 1886-08-00, 1941-08-15, 2017-09-15, 2017-10-04
Oenothera biennis L. - King's-Cureall
Specimen count: 164; collection dates: 1893-08-06, 1896-08-09, 1896-08-19, 1899-07-12, 1899-08-29, 1905-09-01, 1911-09-01, 1930-09-14, 1931-10-17, 1988-08-21, 2002-09-19, 2006-08-07, 2007-08-25, 2008-11-14, 2009-08-06, 2010-07-20, 2013-06-04, 2013-10-15, 2014-07-23, 2015-06-10, 2015-08-01, 2015-08-18, 2016-06-11, 2016-08-10, 2016-09-21, 2016-09-25, 2016-10-01, 2017-04-02, 2017-04-14, 2017-04-15, 2017-05-03, 2017-05-04, 2017-05-19, 2017-05-28, 2017-07-29, 2017-08-01, 2017-08-03, 2017-08-05, 2017-08-18, 2017-08-25, 2017-08-26, 2017-08-29, 2017-09-07, 2017-09-08, 2017-09-09, 2017-09-10, 2017-09-13, 2017-09-14, 2017-09-19, 2017-09-25, 2017-09-26, 2017-09-27, 2017-10-03, 2017-10-11, 2017-10-16, 2017-10-23, 2017-10-25, 2017-11-05, 2017-11-09, 2017-11-12, 2018-01-20, 2018-02-06, 2018-02-28, 2018-03-03, 2018-03-06, 2018-03-10, 2018-03-19, 2018-03-24, 2018-03-27, 2018-04-13, 2018-04-22, 2018-04-23, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-05, 2018-05-11, 2018-05-15, 2018-05-27, 2018-05-30, 2018-06-03, 2018-06-07, 2018-06-08, 2018-06-09
Oenothera fruticosa L. - Narrow-Leaf Evening-Primrose
Specimen count: 2; collection dates: 1908-06-09, 1935-06-21
Oenothera gaura W. L. Wagner & Hoch - Biennial Evening-Primrose
Oenothera laciniata Hill - Cut-Leaf Evening-Primrose
Specimen count: 13; collection dates: 1940-06-18, 2016-06-11, 2017-04-29, 2017-05-21, 2017-05-28, 2017-05-29, 2017-07-01, 2017-07-28, 2018-06-03
Oenothera oakesiana (A. Gray) J.W. Robbins ex S. Watson & J.M. Coult. - Oakes' Evening-Primrose
Oenothera parviflora L. - Northern Evening-Primrose
Specimen count: 3; collection dates: 1994-08-10, 2005-09-17, 2006-11-01
Oenothera perennis L. - Small Evening-Primrose
Specimen count: 5; collection dates: 1896-06-11, 1896-06-29, 1913-06-17, 1936-05-29, 1939-06-10
Oldenlandia uniflora L. - Clustered Mille-Graines
Oligoneuron rigidum (L.) Small - stiff goldenrod
Onoclea sensibilis L. - Sensitive Fern
Specimen count: 105; collection dates: 1876-07-19, 1879-06-00, 1888-10-17, 1894-08-19, 1899-08-00, 1899-10-01, 1899-12-03, 1901-00-00, 1903-09-20, 1903-09-24, 1906-07-16, 1906-09-06, 1908-10-03, 1925-00-00, 1946-06-00, 1947-07-12, 1975-05-22, 1975-09-30, 1986-08-13, 1990-09-09, 2009-06-22, 2014-05-02, 2014-05-03, 2015-09-27, 2016-06-10, 2016-06-11, 2016-06-16, 2016-06-18, 2017-04-16, 2017-04-30, 2017-05-01, 2017-05-02, 2017-05-08, 2017-05-09, 2017-05-12, 2017-05-15, 2017-05-20, 2017-06-02, 2017-06-14, 2017-06-27, 2017-06-29, 2017-07-01, 2017-07-29, 2017-08-23, 2017-08-27, 2017-08-31, 2017-09-14, 2017-09-19, 2017-09-20, 2017-09-21, 2017-09-22, 2017-09-23, 2017-09-28, 2017-10-01, 2017-10-07, 2018-01-10, 2018-02-20, 2018-04-28, 2018-04-29, 2018-05-03, 2018-05-10, 2018-05-13, 2018-05-19, 2018-05-21, 2018-05-24, 2018-05-28, 2018-05-31, 2018-06-14
Onopordum acanthium L. - Scotch-Thistle
Specimen count: 3; collection dates: 1908-06-22, 2015-08-04
Ophioglossum pusillum Raf. - Northern Adder's-Tongue
Specimen count: 1; collection dates: 1893-07-20
Opuntia humifusa (Raf.) Raf. - Eastern Prickly-Pear
Specimen count: 38; collection dates: 2015-12-30, 2016-03-06, 2016-06-11, 2016-09-17, 2017-04-08, 2017-04-15, 2017-05-19, 2017-05-22, 2017-06-17, 2017-06-28, 2017-07-16, 2017-08-28, 2017-10-21, 2017-10-28, 2017-11-04, 2018-02-03, 2018-04-01, 2018-04-11, 2018-04-27, 2018-04-28, 2018-04-29, 2018-05-13, 2018-06-04, 2018-06-07, 2018-06-16, 2018-06-18
Origanum vulgare L. - Wild Marjoram
Specimen count: 9; collection dates: 1865-07-28, 1879-08-23, 1886-08-17, 1896-07-12, 1896-07-23, 1899-07-08, 1903-07-21, 2017-07-29, 2018-04-29
Ornithogalum nutans L. - Drooping Star-of-Bethlehem
Specimen count: 8; collection dates: 2006-04-13, 2014-05-02, 2015-05-03, 2018-04-27, 2018-04-30, 2018-05-06, 2018-05-09
Ornithogalum umbellatum L. - Sleepydick
Specimen count: 44; collection dates: 1884-06-00, 1907-06-08, 1925-05-30, 1946-05-00, 1994-05-22, 2006-05-10, 2014-04-17, 2014-05-08, 2016-05-11, 2017-04-18, 2017-04-30, 2017-05-03, 2017-05-04, 2017-05-09, 2018-03-10, 2018-04-01, 2018-04-06, 2018-05-02, 2018-05-05, 2018-05-07, 2018-05-09, 2018-05-10, 2018-05-11, 2018-05-13, 2018-05-14, 2018-05-15, 2018-05-18, 2018-05-20, 2018-05-21, 2018-05-23, 2018-05-24
Orobanche minor Sm. - Hellroot
Orobanche uniflora L. - Naked Broomrape
Specimen count: 8; collection dates: 1950-06-05, 1986-05-16, 2010-05-11, 2016-05-25, 2016-06-10, 2016-06-11, 2017-05-11
Orontium aquaticum L. - Goldenclub
Specimen count: 1
Osmorhiza claytonii (Michx.) C. B. Clarke - Hairy Sweet-Cicely
Specimen count: 7; collection dates: 1876-05-23, 1896-06-12, 1899-06-15, 1936-06-16, 2015-05-20, 2018-05-19
Osmorhiza longistylis (Torr.) DC. - Aniseroot
Specimen count: 3; collection dates: 1989-05-30, 2006-06-12, 2018-04-28
Osmunda claytoniana L. - Interrupted Fern
Specimen count: 27; collection dates: 1876-05-12, 1877-06-00, 1886-05-23, 1896-05-10, 1903-05-23, 1905-05-27, 1905-06-10, 1906-05-29, 1906-06-02, 1906-08-28, 1909-06-20, 1925-06-09, 1926-06-06, 1947-06-00, 2016-07-03, 2017-05-15, 2017-06-14, 2017-11-02, 2018-04-27, 2018-04-30, 2018-06-06
Osmunda spectabilis - Royal Fern
Specimen count: 32; collection dates: 1876-06-20, 1877-08-00, 1893-00-00, 1899-05-21, 1899-06-10, 1903-05-23, 1904-10-01, 1905-05-27, 1905-06-10, 1906-05-29, 1907-06-13, 1925-06-11, 1946-05-00, 2016-06-10, 2016-10-04, 2017-05-02, 2017-06-14, 2017-07-29, 2017-08-06, 2017-09-19, 2017-09-22, 2018-05-19, 2018-05-28, 2018-06-05
Osmundastrum cinnamomeum (L.) C. Presl - Cinnamon Fern
Specimen count: 38; collection dates: 1896-05-16, 2006-05-24, 2013-09-16, 2016-06-10, 2016-06-11, 2016-06-12, 2016-06-25, 2016-09-19, 2017-05-12, 2017-09-19, 2017-09-22, 2017-09-23, 2017-10-13, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-05, 2018-05-08, 2018-05-10, 2018-05-13, 2018-05-18, 2018-05-19, 2018-05-21, 2018-05-24, 2018-05-29
Ostrya virginiana (Mill.) K. Koch - Eastern Hop-Hornbeam
Specimen count: 33; collection dates: 1880-07-24, 1896-11-03, 1897-07-30, 1914-08-16, 1922-04-20, 1924-11-24, 1927-06-13, 1931-04-13, 1940-05-08, 1942-02-09, 1949-05-10, 1986-04-30, 1986-12-23, 1991-10-11, 2009-08-12, 2017-04-14, 2017-05-31, 2017-07-08, 2017-10-12, 2018-03-10, 2018-04-27, 2018-04-29, 2018-04-30
Oxalis corniculata L. - Creeping Yellow Wood-Sorrel
Specimen count: 49; collection dates: 1900-03-00, 1925-06-13, 1925-06-26, 1925-08-09, 1952-07-28, 1952-07-30, 1952-08-19, 1953-10-01, 1954-06-10, 1954-06-11, 1963-05-08, 1997-08-13, 2006-07-03, 2009-07-10, 2012-09-15, 2014-05-23, 2014-06-03, 2016-10-02, 2017-04-14, 2017-04-18, 2017-04-27, 2017-06-11, 2017-06-18, 2017-06-28, 2017-07-15, 2017-07-24, 2017-08-11, 2017-08-17, 2017-09-07, 2017-09-11, 2017-11-05, 2018-04-21, 2018-04-27, 2018-04-28, 2018-05-14, 2018-05-15, 2018-06-06, 2018-06-11, 2018-06-13
Oxalis dillenii Jacq. - Slender Yellow Wood-Sorrel
Specimen count: 31; collection dates: 1952-00-00, 1953-00-00, 1953-09-08, 1953-09-11, 1954-06-11, 2006-04-27, 2006-05-17, 2009-06-30, 2009-07-10, 2013-09-29, 2014-05-03, 2014-05-21, 2014-05-30, 2014-06-03, 2016-06-11, 2017-05-12, 2017-08-03, 2017-08-05, 2017-08-11, 2017-09-10, 2017-09-16, 2018-05-14, 2018-05-21, 2018-06-03, 2018-06-06, 2018-06-07, 2018-06-08, 2018-06-12
Oxalis florida Salisb. - Flowering Yellow Wood-Sorrel
Specimen count: 1; collection dates: 1889-05-19
Oxalis stricta L. - Upright Yellow Wood-Sorrel
Specimen count: 72; collection dates: 1876-06-07, 1888-06-09, 1895-08-11, 1896-09-00, 1898-07-21, 1898-08-00, 1898-08-16, 1905-06-25, 1907-08-22, 1915-07-27, 1925-06-03, 1927-08-22, 1940-08-12, 1947-07-17, 1950-06-22, 1953-00-00, 1953-09-11, 1953-10-01, 1986-06-20, 2002-09-19, 2006-06-17, 2006-06-27, 2009-07-10, 2011-06-06, 2014-05-03, 2014-05-30, 2014-06-10, 2015-07-24, 2016-05-22, 2016-06-20, 2016-07-15, 2016-11-17, 2017-04-16, 2017-04-18, 2017-04-23, 2017-04-30, 2017-05-03, 2017-05-07, 2017-05-18, 2017-05-26, 2017-05-30, 2017-06-08, 2017-06-10, 2017-06-11, 2017-06-15, 2017-06-19, 2017-06-30, 2017-07-04, 2017-08-03, 2017-08-06, 2017-09-04, 2017-09-15, 2017-09-18, 2017-09-23, 2017-09-25, 2017-09-26, 2017-10-25, 2018-05-03, 2018-05-13, 2018-05-15, 2018-05-17, 2018-05-20, 2018-06-15, 2018-06-16, 2018-06-17
Oxalis violacea L. - Violet Wood-Sorrel
Specimen count: 7; collection dates: 1876-05-03, 1888-06-03, 1900-05-26, 1915-06-05, 2007-06-06, 2018-04-29
Oxybasis glauca (L.) S. Fuentes, Uotila & Borsch - Oak-Leaf Eurasian-Goosefoot
Specimen count: 8; collection dates: 1878-08-10, 1949-06-13, 1950-06-06, 2015-08-30, 2017-10-14, 2018-06-11
Oxybasis rubra (L.) S. Fuentes, Uotila & Borsch - Red Eurasian-Goosefoot
Oxybasis urbica (L.) S. Fuentes, Uotila & Borsch - City Eurasian-Goosefoot
Specimen count: 4; collection dates: 1878-08-00, 1879-00-00, 1883-07-00, 1914-09-00
Oxypolis rigidior (L.) Raf. - Stiff Cowbane
Pachysandra terminalis Siebold & Zucc. - Japanese Moutain-Spurge
Specimen count: 33; collection dates: 1990-10-07, 2009-03-22, 2013-08-27, 2014-04-12, 2017-04-16, 2017-04-18, 2017-09-11, 2018-01-31, 2018-02-18, 2018-02-28, 2018-03-09, 2018-03-19, 2018-04-02, 2018-04-11, 2018-04-13, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30
Packera aurea (L.) Á. Löve & D. Löve - Golden Groundsel
Specimen count: 18; collection dates: 1891-05-30, 1895-05-18, 1898-06-02, 1899-05-25, 1899-06-04, 1905-05-21, 2015-04-28, 2017-04-17, 2017-05-06, 2017-05-15, 2018-05-04, 2018-05-06, 2018-05-07, 2018-05-08, 2018-05-12, 2018-05-15, 2018-05-22
Packera obovata (Muhl. ex Willd.) W. A. Weber & Á. Löve - Round-Leaf Groundsel
Specimen count: 4; collection dates: 1904-05-14, 1904-05-30, 1904-07-09, 1908-06-04
Packera paupercula (Michx.) Á. Löve & D. Löve - Balsam Groundsel
Specimen count: 3; collection dates: 1903-05-20, 1904-06-01, 1906-06-06
Panax trifolius L. - Dwarf Ginseng
Specimen count: 1; collection dates: 2018-04-27
Panicum amarum Ell. - Bitter Panic Grass
Specimen count: 12; collection dates: 1878-08-00, 1878-09-00, 1889-09-22, 1894-10-00, 1898-10-10, 1899-09-18, 1944-10-07, 2016-10-29
Panicum capillare L. - Common Panic Grass
Specimen count: 21; collection dates: 1878-08-00, 1886-09-00, 1894-10-00, 1894-10-06, 1896-08-19, 1896-09-03, 1899-09-00, 1899-09-05, 1899-09-15, 1905-10-16, 1908-10-04, 1916-09-26, 1925-07-16, 1925-09-15, 1928-09-22, 1940-09-15, 1947-09-13, 2017-08-27
Panicum dichotomiflorum Michx. - Autumn Panic Grass
Specimen count: 25; collection dates: 1878-08-00, 1878-09-00, 1896-08-19, 1899-09-05, 1901-09-19, 1912-06-22, 1914-09-28, 1914-11-03, 1915-09-28, 1915-10-14, 1916-09-26, 1922-09-15, 1925-08-27, 1925-09-03, 1925-09-15, 1946-08-27, 1947-09-11, 1954-09-17, 1962-09-14, 1990-09-30, 2009-08-31, 2016-10-14
Panicum miliaceum L. - Hog Millet
Specimen count: 12; collection dates: 1889-08-10, 1896-08-24, 1908-09-19, 1915-07-24, 1915-09-14, 1925-08-01, 1953-10-04, 1954-08-20, 1955-07-04, 1955-07-30
Panicum philadelphicum Bernh. ex Trin. - Philadelphia Panic Grass
Specimen count: 5; collection dates: 1878-09-00, 1896-09-03, 1946-09-14, 1951-09-23
Panicum tuckermanii Fernald - Tuckerman's Panic Grass
Panicum virgatum L. - Wand Panic Grass
Specimen count: 78; collection dates: 1800-00-00, 1878-08-25, 1878-08-27, 1883-07-09, 1887-08-06, 1891-08-04, 1891-08-29, 1891-09-16, 1892-09-18, 1893-08-06, 1895-08-04, 1896-07-25, 1898-06-30, 1898-07-10, 1898-08-04, 1901-08-15, 1901-08-17, 1901-09-19, 1903-09-13, 1904-08-23, 1905-07-26, 1905-09-23, 1909-09-02, 1914-09-03, 1916-06-02, 1916-06-27, 1916-07-16, 1917-09-14, 1920-08-20, 1921-08-20, 1925-07-23, 1925-09-09, 1925-09-15, 1925-09-21, 1929-08-02, 1935-09-20, 1940-09-14, 1990-09-30, 1992-09-24, 1993-08-05, 2006-07-19, 2006-08-21, 2013-09-15, 2014-07-23, 2015-08-30, 2015-09-02, 2015-09-04, 2016-04-05, 2016-06-10, 2016-06-11, 2016-10-14, 2017-04-17, 2017-04-18, 2017-07-15, 2017-08-09, 2017-09-27, 2017-10-01, 2017-11-17, 2018-03-10, 2018-04-28, 2018-04-29, 2018-04-30
Parietaria judaica L. - Spreading Pellitory
Parietaria pensylvanica Muhl. ex Willd. - Rillita Pellitory
Specimen count: 25; collection dates: 1949-06-14, 2006-07-19, 2009-06-30, 2013-08-17, 2014-04-26, 2014-06-03, 2017-06-07, 2017-06-11, 2017-06-14, 2017-07-05, 2018-04-28, 2018-05-11, 2018-05-26, 2018-06-03, 2018-06-07, 2018-06-08, 2018-06-15
Parnassia glauca Raf. - Fen Grass-of-Parnassus
Specimen count: 3; collection dates: 1876-08-00, 1876-08-29
Paronychia canadensis (L.) Alph. Wood - Smooth Forked Nailwort
Specimen count: 19; collection dates: 1876-07-12, 1878-07-00, 1896-06-29, 1900-06-16, 1901-09-15, 1912-06-06, 1922-07-07, 1925-06-17, 1925-07-09, 1925-07-24, 1927-08-11, 1936-09-10, 1940-08-01, 1987-07-26, 1990-07-30, 2017-05-31
Paronychia fastigiata (Raf.) Fernald - Hairy Forked Nailwort
Specimen count: 5; collection dates: 1901-08-11, 1901-09-00, 1914-08-02, 1914-08-23
Parthenocissus inserta (A. Kern.) Fritsch - Thicket-Creeper
Specimen count: 6; collection dates: 2015-05-20, 2015-05-28, 2015-06-14, 2015-08-18, 2017-05-14, 2018-04-30
Parthenocissus quinquefolia (L.) Planch. - Virginia-Creeper
Specimen count: 442; collection dates: 1875-07-26, 1883-08-07, 1895-06-09, 1897-08-17, 1898-06-26, 1931-10-12, 1937-06-25, 1947-07-10, 1985-06-14, 1990-09-09, 1990-09-30, 1992-09-01, 1995-06-01, 2006-06-06, 2006-06-19, 2006-09-16, 2008-09-15, 2013-08-26, 2013-08-27, 2014-06-20, 2014-09-07, 2014-09-24, 2015-05-20, 2015-05-28, 2015-06-24, 2015-07-10, 2015-08-30, 2016-06-10, 2016-06-11, 2016-06-26, 2016-08-10, 2016-08-20, 2016-09-20, 2016-09-21, 2016-09-24, 2016-11-08, 2017-02-18, 2017-02-19, 2017-02-25, 2017-04-14, 2017-04-15, 2017-04-17, 2017-04-24, 2017-04-26, 2017-05-01, 2017-05-02, 2017-05-03, 2017-05-05, 2017-05-06, 2017-05-11, 2017-05-19, 2017-05-26, 2017-05-31, 2017-06-03, 2017-06-05, 2017-06-07, 2017-06-08, 2017-06-09, 2017-06-10, 2017-06-15, 2017-06-16, 2017-06-17, 2017-06-18, 2017-06-21, 2017-06-24, 2017-06-25, 2017-06-26, 2017-06-27, 2017-06-28, 2017-06-29, 2017-06-30, 2017-07-01, 2017-07-02, 2017-07-05, 2017-07-06, 2017-07-08, 2017-07-11, 2017-07-12, 2017-07-13, 2017-07-15, 2017-07-27, 2017-08-02, 2017-08-03, 2017-08-04, 2017-08-05, 2017
Specimen count: 86; collection dates: 2006-05-30, 2009-08-08, 2013-10-03, 2013-10-31, 2014-07-02, 2015-09-15, 2016-11-24, 2017-04-17, 2017-05-06, 2017-05-07, 2017-05-29, 2017-07-30, 2017-08-05, 2017-09-15, 2017-09-17, 2017-10-11, 2017-10-13, 2017-10-19, 2017-10-24, 2017-10-25, 2017-11-05, 2017-11-12, 2017-11-15, 2017-12-03, 2018-04-06, 2018-04-20, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-03, 2018-05-04, 2018-05-07, 2018-05-10, 2018-05-11, 2018-05-14, 2018-05-15, 2018-05-18, 2018-05-19, 2018-05-20, 2018-05-21, 2018-05-22, 2018-05-24, 2018-05-25, 2018-05-26, 2018-05-28, 2018-05-29, 2018-05-31, 2018-06-02, 2018-06-03, 2018-06-05, 2018-06-07, 2018-06-09, 2018-06-10, 2018-06-11, 2018-06-13, 2018-06-14, 2018-06-15
Paspalum laeve Michx. - Field Crown Grass
Specimen count: 11; collection dates: 1878-08-00, 1878-08-29, 1896-08-27, 1896-09-21, 1917-09-16, 1937-08-30, 1946-09-07, 2016-08-16, 2017-07-28
Paspalum setaceum Michx. - Slender Crown Grass
Specimen count: 17; collection dates: 1878-08-09, 1879-08-20, 1887-10-09, 1896-08-02, 1896-08-27, 1896-09-13, 1896-09-19, 1896-09-20, 1896-09-26, 1914-09-03, 1914-10-04, 1917-09-16, 1920-08-28
Pastinaca sativa L. - Wild Parsnip
Specimen count: 33; collection dates: 1935-08-21, 2013-06-28, 2015-09-01, 2016-06-11, 2016-08-18, 2017-06-08, 2017-06-15, 2017-06-29, 2017-07-02, 2017-07-17, 2017-08-06, 2017-08-07, 2017-08-13, 2017-08-21, 2017-09-28, 2018-03-29, 2018-04-13, 2018-04-27, 2018-04-28, 2018-05-03, 2018-05-10, 2018-05-11, 2018-05-20, 2018-06-02
Paulownia tomentosa (Thunb.) Steud. - Princesstree
Specimen count: 160; collection dates: 1902-05-21, 1924-11-24, 1988-08-21, 1990-05-17, 1990-09-30, 1991-10-28, 1993-07-02, 2006-07-27, 2006-11-01, 2011-10-29, 2013-10-01, 2014-05-21, 2014-06-06, 2014-07-02, 2015-09-16, 2016-06-16, 2016-06-19, 2016-08-10, 2016-09-06, 2016-09-21, 2016-10-01, 2016-11-03, 2016-12-14, 2017-01-04, 2017-01-11, 2017-02-19, 2017-04-30, 2017-05-02, 2017-05-04, 2017-05-16, 2017-05-18, 2017-05-24, 2017-05-26, 2017-05-28, 2017-07-02, 2017-07-06, 2017-07-09, 2017-07-15, 2017-07-21, 2017-08-04, 2017-08-05, 2017-08-07, 2017-08-10, 2017-08-11, 2017-08-13, 2017-08-14, 2017-08-15, 2017-08-17, 2017-08-19, 2017-08-21, 2017-08-26, 2017-08-27, 2017-08-29, 2017-08-31, 2017-09-07, 2017-09-08, 2017-09-10, 2017-09-12, 2017-09-13, 2017-09-16, 2017-09-21, 2017-09-25, 2017-09-27, 2017-10-03, 2017-10-07, 2017-10-20, 2017-10-27, 2017-11-02, 2017-11-05, 2017-11-15, 2017-11-21, 2018-02-09, 2018-03-10, 2018-03-24, 2018-04-14, 2018-04-15, 2018-04-26, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-02, 2018-05-04, 2018-05-06, 2018-05-07, 2018-05-08, 2018
Pedicularis canadensis L. - Canadian Lousewort
Specimen count: 10; collection dates: 1861-10-00, 1876-05-27, 1877-05-17, 1888-06-03, 1896-07-04, 1898-05-12, 1919-05-13, 1920-06-20, 1940-05-20
Pedicularis lanceolata Michx. - Swamp Lousewort
Specimen count: 6; collection dates: 1861-09-00, 1865-09-28, 1927-09-22, 1929-10-07
Pellaea atropurpurea (L.) Link - Purple-Stem Cliffbrake
Specimen count: 8; collection dates: 2016-10-18, 2017-07-03, 2017-09-25, 2018-05-01, 2018-05-21
Peltandra virginica (L.) Schott - Green Arrow-Arum
Specimen count: 36; collection dates: 1876-06-17, 1880-06-08, 1893-06-18, 1904-10-01, 1925-07-07, 1939-06-20, 1946-06-16, 1948-10-22, 1965-07-09, 1975-07-08, 1988-07-07, 1993-07-12, 2000-08-19, 2006-06-13, 2009-07-28, 2010-09-07, 2014-06-19, 2017-05-13, 2017-06-29, 2017-07-31, 2017-08-06, 2017-10-17, 2017-10-18, 2018-05-15, 2018-05-24, 2018-06-02
Penstemon calycosus Small - Long-Sepal Beardtongue
Specimen count: 2; collection dates: 1900-06-00, 1940-06-21
Penstemon digitalis Nutt. ex Sims - Foxglove Beardtongue
Specimen count: 24; collection dates: 1895-07-17, 1899-06-17, 1920-06-20, 1949-06-19, 2007-06-09, 2014-06-19, 2015-06-03, 2015-06-11, 2016-06-10, 2017-06-06, 2017-06-15, 2017-06-17, 2017-07-02, 2018-04-29, 2018-06-02, 2018-06-04, 2018-06-11, 2018-06-14, 2018-06-17
Penstemon hirsutus (L.) Willd. - Hairy Beardtongue
Specimen count: 8; collection dates: 1878-06-06, 2017-06-01, 2017-06-03, 2017-06-10, 2018-06-01, 2018-06-02
Penstemon pallidus Small - Pale Beardtongue
Specimen count: 2; collection dates: 1908-05-23, 2018-06-05
Penthorum sedoides L. - Ditch-Stonecrop
Specimen count: 14; collection dates: 1876-07-24, 1877-07-00, 1893-07-30, 1896-09-03, 1897-09-19, 1925-07-25, 1925-08-20, 1940-07-25, 1987-08-05, 1990-09-30, 2009-07-10, 2016-07-30, 2017-08-26
Perilla frutescens (L.) Britton - Beefsteakplant
Specimen count: 7; collection dates: 1872-09-00, 1876-09-30, 2014-06-19, 2014-10-14, 2017-07-21, 2018-05-12, 2018-05-21
Persicaria amphibia (L.) Delarbre - Water Smartweed
Specimen count: 5; collection dates: 1880-09-15, 1889-08-25, 1904-06-25, 2004-10-23, 2010-11-11
Persicaria arifolia (L.) Haraldson - Halberd-Leaf Tearthumb
Specimen count: 1
Persicaria careyi (Olney) Greene - Carey's Smartweed
Specimen count: 2; collection dates: 1905-10-06, 1940-00-00
Persicaria coccinea (Muhl. ex Willd.) Greene - Water Smartweed
Specimen count: 9; collection dates: 1875-09-09, 1879-09-13, 1880-09-05, 1889-08-25, 1896-09-08, 1906-08-25, 1922-09-14, 1923-08-19
Persicaria extremiorientalis (Vorosch.) Tzvelev - Far-Eastern Smartweed
Specimen count: 85; collection dates: 1961-07-30, 1961-08-13, 1961-08-16, 2006-06-05, 2006-09-11, 2006-11-06, 2008-10-11, 2008-10-27, 2008-11-14, 2009-06-30, 2009-07-10, 2009-08-26, 2009-09-25, 2009-10-13, 2009-10-29, 2009-11-03, 2010-07-12, 2010-07-22, 2011-10-25, 2013-08-21, 2013-08-22, 2013-09-29, 2014-07-02, 2014-08-20, 2015-08-01, 2015-08-15, 2016-08-03, 2016-10-14, 2016-10-29, 2016-11-02, 2017-06-09, 2017-06-29, 2017-07-01, 2017-07-02, 2017-07-15, 2017-08-05, 2017-08-24, 2017-08-26, 2017-09-01, 2017-09-09, 2017-09-10, 2017-09-13, 2018-04-27, 2018-06-05, 2018-06-06, 2018-06-11, 2018-06-14
Specimen count: 11; collection dates: 2014-06-25, 2014-09-16, 2015-09-15, 2016-11-02, 2017-05-15, 2017-09-06, 2017-09-09, 2018-04-30
Persicaria hydropiper (L.) Spach - Mild Water-Pepper
Specimen count: 30; collection dates: 1877-08-09, 1882-09-11, 1883-08-00, 1893-07-30, 1897-09-12, 1899-09-05, 1905-08-28, 1906-10-17, 1914-09-28, 1939-08-28, 1985-06-18, 1997-08-04, 2007-09-07, 2009-08-10, 2009-09-02, 2009-09-25, 2009-10-26, 2009-10-29, 2010-10-18, 2012-09-16, 2014-09-05, 2015-09-10, 2017-08-05, 2017-08-16, 2017-09-10
Persicaria hydropiperoides (Michx.) Small - Swamp Smartweed
Specimen count: 18; collection dates: 1829-00-00, 1848-09-00, 1877-08-19, 1886-10-09, 1914-09-11, 1914-09-28, 1921-08-19, 1925-08-18, 1975-07-17, 2012-09-16, 2015-08-15, 2016-07-12, 2016-07-17, 2017-09-14, 2018-04-29
Persicaria lapathifolia (L.) Delarbre - Dock-Leaf Smartweed
Specimen count: 43; collection dates: 1873-08-04, 1884-09-00, 1896-08-11, 1898-09-11, 1899-09-05, 1914-08-16, 1917-07-19, 1917-08-14, 1917-09-12, 1921-09-03, 1939-06-29, 1943-09-04, 1964-09-16, 2007-09-07, 2008-10-11, 2009-07-14, 2009-08-24, 2009-08-26, 2009-08-31, 2013-08-21, 2013-08-26, 2014-08-04, 2014-08-20, 2015-08-30, 2016-08-13, 2017-07-01, 2017-07-13, 2017-07-22, 2017-08-05, 2017-08-23, 2017-08-30, 2017-09-17, 2017-10-04
Persicaria longiseta (Bruijn) Kitag. - Bristly Lady's-Thumb
Specimen count: 156; collection dates: 1936-10-02, 1940-10-07, 1941-08-15, 1941-09-09, 1941-10-14, 1964-09-16, 1967-10-20, 1983-08-18, 1986-06-20, 1986-11-13, 1988-09-28, 2006-05-22, 2006-06-23, 2006-06-27, 2006-10-07, 2006-10-25, 2006-11-01, 2009-06-22, 2009-06-30, 2009-08-24, 2009-08-26, 2009-09-04, 2009-09-25, 2009-10-26, 2009-10-29, 2010-10-18, 2010-10-28, 2011-06-06, 2013-09-15, 2013-10-15, 2013-11-03, 2014-06-07, 2014-08-20, 2014-09-01, 2015-07-24, 2015-10-13, 2015-10-15, 2015-12-16, 2016-06-19, 2016-10-01, 2016-10-10, 2016-10-30, 2016-11-08, 2016-12-04, 2017-06-05, 2017-06-11, 2017-06-18, 2017-06-19, 2017-06-23, 2017-06-29, 2017-07-01, 2017-07-13, 2017-07-15, 2017-08-01, 2017-08-13, 2017-08-15, 2017-08-16, 2017-08-17, 2017-08-23, 2017-08-26, 2017-08-27, 2017-08-29, 2017-08-30, 2017-08-31, 2017-09-04, 2017-09-06, 2017-09-11, 2017-09-12, 2017-09-13, 2017-09-15, 2017-09-18, 2017-09-19, 2017-09-20, 2017-09-25, 2017-09-26, 2017-09-27, 2017-10-01, 2017-10-03, 2017-10-05, 2017-10-07, 2017-10-08, 2017-10-10, 2017-10-12, 2017-10-17, 2017-10-19, 2017
Persicaria maculosa S. F. Gray - Spotted Lady's-Thumb
Specimen count: 54; collection dates: 1879-08-17, 1886-10-09, 1889-09-22, 1890-08-31, 1896-07-26, 1896-09-05, 1897-08-17, 1921-09-03, 1925-08-23, 1936-10-10, 1984-06-12, 2006-07-07, 2006-08-20, 2009-06-30, 2009-07-10, 2009-07-14, 2009-08-24, 2009-08-26, 2009-10-29, 2009-11-17, 2010-06-14, 2010-06-30, 2013-08-26, 2014-08-13, 2014-08-20, 2016-12-04, 2016-12-07, 2017-06-03, 2017-06-10, 2017-06-13, 2017-06-27, 2017-07-02, 2017-07-18, 2017-08-05, 2017-08-31, 2017-09-09, 2017-09-10, 2017-09-20, 2017-09-21, 2017-09-26, 2017-09-28, 2017-10-13, 2017-10-18, 2018-04-28, 2018-04-29, 2018-06-19
Persicaria minor (Huds.) Opiz - Pygmy Smartweed
Specimen count: 3; collection dates: 1962-09-14, 2016-10-05
Persicaria orientalis (L.) Spach - Kiss-Me-Over-the-Garden-Gate
Persicaria pensylvanica (L.) M. Gómez - Pinkweed
Specimen count: 34; collection dates: 1889-09-29, 1892-09-00, 1899-09-13, 1905-08-05, 1905-09-30, 1939-09-15, 1978-09-21, 1987-09-04, 1992-09-24, 2004-10-29, 2007-09-07, 2009-08-24, 2009-08-26, 2009-10-29, 2010-09-07, 2013-08-21, 2014-08-16, 2014-09-05, 2015-08-18, 2016-09-03, 2016-11-03, 2017-06-23, 2017-07-01, 2017-08-07, 2017-08-21, 2017-08-31, 2017-09-10, 2017-09-17
Persicaria perfoliata (L.) H. Gross - Asiatic Tearthumb
Specimen count: 15; collection dates: 2006-07-14, 2010-07-09, 2014-06-20, 2014-06-30, 2014-09-13, 2016-06-11, 2016-08-03, 2017-06-27, 2017-09-06, 2017-09-23, 2017-09-24, 2018-05-09, 2018-06-09
Persicaria punctata (Elliott) Small - Dotted Smartweed
Specimen count: 15; collection dates: 1905-09-16, 1923-09-15, 1924-10-02, 1936-10-02, 1939-09-14, 2006-08-17, 2009-09-01, 2010-09-22, 2010-10-18, 2010-10-20, 2014-08-26, 2017-09-10
Persicaria sagittata (L.) H. Gross - Arrow-Leaf Tearthumb
Specimen count: 7; collection dates: 1896-09-21, 1939-09-06, 1978-09-26, 2009-08-10, 2017-09-10, 2017-09-28, 2018-04-28
Persicaria setacea (Baldwin) Small - Bog Smartweed
Specimen count: 1; collection dates: 1899-09-27
Persicaria virginiana (L.) Gaertn. - Jumpseed
Specimen count: 297; collection dates: 1939-07-27, 1987-09-14, 2003-08-06, 2006-07-10, 2006-07-16, 2006-08-17, 2006-10-07, 2013-08-26, 2013-09-29, 2014-09-07, 2015-06-10, 2015-09-15, 2016-09-20, 2016-09-21, 2017-04-18, 2017-04-23, 2017-04-27, 2017-05-04, 2017-05-06, 2017-05-07, 2017-05-14, 2017-05-15, 2017-05-20, 2017-06-07, 2017-06-08, 2017-06-11, 2017-06-13, 2017-06-15, 2017-06-16, 2017-06-29, 2017-06-30, 2017-07-01, 2017-07-05, 2017-07-06, 2017-07-08, 2017-07-11, 2017-07-12, 2017-07-15, 2017-07-21, 2017-07-25, 2017-07-26, 2017-07-27, 2017-08-01, 2017-08-02, 2017-08-03, 2017-08-05, 2017-08-06, 2017-08-13, 2017-08-16, 2017-08-17, 2017-08-19, 2017-08-26, 2017-08-28, 2017-08-29, 2017-08-30, 2017-08-31, 2017-09-03, 2017-09-09, 2017-09-10, 2017-09-13, 2017-09-14, 2017-09-16, 2017-09-19, 2017-09-20, 2017-09-25, 2017-09-26, 2017-09-27, 2017-10-01, 2017-10-07, 2017-10-25, 2017-11-02, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-02, 2018-05-06, 2018-05-09, 2018-05-10, 2018-05-11, 2018-05-14, 2018-05-21, 2018-05-25, 2018-06-01, 2018-06-02, 2018
Phalaris arundinacea L. - Reed Canary Grass
Specimen count: 16; collection dates: 1879-06-00, 1891-05-31, 1891-07-12, 1899-06-05, 1903-07-21, 1904-06-08, 1906-06-12, 1916-07-16, 1925-08-10, 2016-06-11, 2017-06-14, 2017-09-26, 2017-11-15, 2018-04-10, 2018-05-07
Phalaris canariensis L. - Common Canary Grass
Specimen count: 8; collection dates: 1883-06-17, 1884-06-00, 1908-09-19, 1924-06-15, 1925-08-13, 1955-07-04, 2015-07-08
Phaseolus polystachios (L.) Britton, Sterns & Poggenb. - Thicket Bean
Specimen count: 14; collection dates: 1891-10-25, 1893-07-24, 1893-09-02, 1898-08-20, 1904-10-08, 1905-08-17, 1909-11-20, 1925-08-10, 1925-08-18, 1925-09-01
Phedimus spurius (M. Bieb.) 't Hart - Greater Caucasian-Stonecrop
Phegopteris connectilis (Michx.) Watt - Narrow Beech Fern
Phegopteris hexagonoptera (Michx.) Fée - Broad Beech Fern
Specimen count: 20; collection dates: 1877-08-00, 1879-09-24, 1894-08-19, 1899-07-04, 1899-07-21, 1903-09-19, 1904-06-25, 1905-08-11, 1905-08-21, 1905-08-26, 1906-09-06, 1925-06-23, 1925-08-20, 2016-05-22, 2018-04-29
Phellodendron amurense Rupr. - Amur Corktree
Specimen count: 54; collection dates: 1924-00-00, 1937-00-00, 1937-06-25, 1987-02-17, 1993-07-05, 1994-05-29, 2003-09-19, 2003-09-30, 2003-10-04, 2003-10-05, 2003-10-08, 2003-10-10, 2003-10-11, 2003-10-13, 2006-05-24, 2011-05-24, 2014-05-30, 2015-09-24, 2015-10-15, 2017-04-18, 2017-05-16, 2017-06-21, 2017-06-24, 2017-08-11, 2017-10-05, 2017-10-06, 2017-10-07, 2017-10-17, 2018-02-13, 2018-03-01, 2018-03-26, 2018-04-27, 2018-04-28, 2018-04-30, 2018-05-03, 2018-05-07, 2018-05-10, 2018-05-21, 2018-06-18
Philadelphus coronarius L. - Sweet Mock Orange
Specimen count: 16; collection dates: 1893-06-25, 1899-05-00, 1938-05-26, 1985-05-30, 1986-06-02, 2006-05-24, 2006-06-01, 2014-06-03, 2018-05-05, 2018-05-23, 2018-06-01, 2018-06-02, 2018-06-09, 2018-06-11, 2018-06-15
Philadelphus inodorus L. - Scentless Mock Orange
Specimen count: 4; collection dates: 1898-06-28, 1899-06-06, 1963-06-06, 2013-09-29
Phleum pratense L. - Common Timothy
Specimen count: 29; collection dates: 1854-06-26, 1877-06-13, 1878-05-00, 1878-09-07, 1878-10-00, 1878-11-03, 1898-11-06, 1931-07-19, 1936-06-08, 1940-07-14, 1963-06-06, 2014-06-30, 2015-07-09, 2017-06-08, 2017-06-14, 2017-06-18, 2017-06-19, 2017-06-29, 2017-07-02, 2017-07-22, 2018-06-02, 2018-06-14, 2018-06-16
Phlox paniculata L. - Fall Phlox
Specimen count: 8; collection dates: 2016-09-21, 2017-07-07, 2017-07-29, 2017-08-04, 2017-11-27, 2018-04-27, 2018-04-30
Phlox subulata L. - Moss Phlox
Specimen count: 20; collection dates: 1902-09-00, 2018-04-26, 2018-04-27, 2018-04-28, 2018-04-29, 2018-05-02, 2018-05-06, 2018-05-08, 2018-05-10
Photinia villosa (Thunb.) DC. - Oriental Redtip
Specimen count: 13; collection dates: 1943-09-25, 1953-05-16, 1956-06-03, 1956-06-10, 2006-05-12, 2013-08-17, 2013-10-03, 2015-07-26, 2016-05-18, 2016-06-01, 2017-09-16, 2018-04-27
Phragmites australis (Cav.) Trin. ex Steud. - Common Reed
Specimen count: 310; collection dates: 1864-09-17, 1879-08-00, 1879-09-00, 1879-09-09, 1890-08-10, 1897-10-17, 1902-08-23, 1906-09-03, 1911-09-30, 1915-10-14, 1916-09-26, 1921-09-03, 1925-09-12, 1937-08-09, 1938-08-28, 1946-08-26, 1947-08-20, 1948-10-08, 1990-09-30, 2006-10-15, 2007-08-25, 2013-08-26, 2014-02-01, 2014-09-07, 2014-11-27, 2015-03-16, 2015-06-08, 2015-08-29, 2015-08-30, 2015-09-15, 2016-06-10, 2016-06-11, 2016-06-25, 2016-08-26, 2016-09-25, 2016-10-01, 2016-10-16, 2017-04-15, 2017-04-16, 2017-04-17, 2017-04-18, 2017-05-06, 2017-05-18, 2017-05-22, 2017-05-29, 2017-06-03, 2017-06-11, 2017-06-18, 2017-06-25, 2017-07-02, 2017-07-03, 2017-07-15, 2017-08-05, 2017-08-07, 2017-08-21, 2017-08-23, 2017-08-27, 2017-09-04, 2017-09-09, 2017-09-10, 2017-09-18, 2017-09-20, 2017-09-21, 2017-09-22, 2017-09-25, 2017-09-26, 2017-09-27, 2017-10-18, 2017-10-22, 2017-10-23, 2017-10-27, 2017-10-28, 2017-11-03, 2017-11-04, 2017-11-05, 2017-11-06, 2017-11-08, 2017-11-09, 2017-11-12, 2017-11-14, 2017-11-15, 2017-11-17, 2017-11-18, 2017-11-20, 2017-11-21, 2017
Phryma leptostachya L. - American Lopseed
Specimen count: 2; collection dates: 1896-07-14, 1899-07-14
Phyllanthus urinaria L. - Chamber-Bitter
Specimen count: 5; collection dates: 2009-10-13, 2009-10-29, 2012-09-24, 2018-04-29
Phyllostachys aurea Rivière & C.Rivière - Golden Bamboo
Specimen count: 5; collection dates: 2016-10-19, 2017-05-24, 2017-10-28, 2018-04-28
Physalis heterophylla Nees - Clammy Ground-Cherry
Specimen count: 14; collection dates: 1873-08-14, 1885-09-15, 1891-06-00, 1892-07-24, 1892-09-17, 1893-07-31, 1894-09-01, 1898-09-08, 1902-09-08, 1903-09-25, 1917-09-16, 1921-09-03, 1948-09-23, 2016-12-07
Physalis longifolia Nutt. - Long-Leaf Ground-Cherry
Specimen count: 2; collection dates: 2014-11-08
Physalis philadelphica Lam. - Mexican Ground-Cherry
Specimen count: 3; collection dates: 1944-07-24, 1989-10-24, 2017-08-05
Physalis virginiana Mill. - Virginia Ground-Cherry
Physocarpus opulifolius (L.) Maxim. - Atlantic Ninebark
Specimen count: 23; collection dates: 1892-06-05, 1893-06-25, 1898-06-07, 1898-06-11, 1899-08-15, 1900-06-05, 1901-07-11, 1901-08-21, 1908-06-26, 1915-06-06, 1925-06-23, 1930-07-20, 1937-05-28, 1944-06-02, 2018-04-29
Physostegia virginiana (L.) Benth. - Obedient-Plant
Specimen count: 4; collection dates: 1944-09-18, 2014-08-08, 2017-08-07, 2017-08-28
Phytolacca americana L. - American Pokeweed
Specimen count: 1522; collection dates: 1855-10-00, 1877-08-12, 1880-09-13, 1925-07-14, 1927-08-11, 1930-09-28, 1939-06-29, 1986-10-01, 1989-09-21, 1990-09-30, 1993-07-16, 1993-09-11, 1998-07-22, 2003-08-06, 2005-09-11, 2006-06-06, 2006-06-21, 2006-08-17, 2006-10-07, 2006-10-25, 2011-08-15, 2012-07-13, 2013-08-26, 2013-09-10, 2013-09-29, 2013-11-03, 2014-07-10, 2014-07-29, 2014-09-06, 2014-09-07, 2015-05-09, 2015-07-21, 2015-08-30, 2015-09-15, 2015-09-16, 2015-09-29, 2015-09-30, 2015-10-29, 2016-05-22, 2016-06-03, 2016-06-10, 2016-06-11, 2016-06-22, 2016-06-24, 2016-07-08, 2016-07-27, 2016-08-10, 2016-08-20, 2016-09-20, 2016-09-21, 2016-09-28, 2016-10-01, 2016-10-10, 2016-10-14, 2016-10-23, 2016-11-05, 2016-11-08, 2016-12-01, 2017-01-01, 2017-01-04, 2017-02-09, 2017-03-25, 2017-04-17, 2017-04-27, 2017-05-06, 2017-05-15, 2017-05-21, 2017-05-22, 2017-05-23, 2017-05-30, 2017-06-01, 2017-06-06, 2017-06-08, 2017-06-09, 2017-06-10, 2017-06-11, 2017-06-13, 2017-06-14, 2017-06-18, 2017-06-19, 2017-06-20, 2017-06-21, 2017-06-22, 2017-06-23, 2017-06-25, 2017
Picris hieracioides L. - Hawkweed Oxtongue
Specimen count: 1; collection dates: 1948-09-13
Pilea fontana (Lunell) Rydb. - Lesser Clearweed
Specimen count: 3; collection dates: 1986-09-16
Pilea pumila (L.) A. Gray - Canadian Clearweed
Specimen count: 19; collection dates: 1876-07-24, 1896-09-20, 1925-09-17, 1939-08-11, 1948-10-08, 2006-08-17, 2006-10-07, 2008-09-22, 2014-09-02, 2016-10-10, 2017-08-16, 2017-08-17, 2017-09-16, 2017-09-27, 2017-10-19
Pilosella aurantiaca (L.) F.W.Schultz & Sch.Bip. - Devil's-Paintbrush
Specimen count: 1
Pilosella caespitosa (Dumort.) P.D.Sell & C.West - Meadow Mouse-Ear-Hawkweed
Specimen count: 7; collection dates: 2009-05-24, 2015-09-22, 2016-07-04, 2017-05-26, 2018-05-05, 2018-06-01, 2018-06-03
Pilosella officinarum Vaill. - Mouse-Ear Hawkweed
Specimen count: 3; collection dates: 2016-06-28, 2018-05-08, 2018-06-09
Pilosella piloselloides (Vill.) Soj?ík - Kingdevil
Specimen count: 1; collection dates: 2018-06-10
Pinellia ternata (Thunb.) Makino ex Breitenbach - Crowdipper
Specimen count: 1; collection dates: 2008-06-17
Pinus echinata Mill. - Short-Leaf Pine
Specimen count: 21; collection dates: 1849-04-00, 1877-00-00, 1877-09-24, 1878-05-18, 1879-05-10, 1880-03-24, 1890-08-03, 1892-09-24, 1898-05-12, 1937-03-22, 1937-10-25, 2001-09-22, 2001-12-00, 2009-10-13, 2016-07-30
Pinus resinosa Aiton - Red Pine
Specimen count: 14; collection dates: 1895-05-26, 1913-00-00, 2015-08-30, 2016-06-11, 2017-09-28, 2018-03-03, 2018-04-14, 2018-04-17, 2018-04-28, 2018-04-30
Pinus rigida Mill. - Pitch Pine
Specimen count: 70; collection dates: 1876-05-14, 1878-05-00, 1880-05-19, 1880-10-00, 1889-03-24, 1894-06-24, 1894-08-06, 1899-03-19, 1903-05-10, 1903-05-24, 1904-09-08, 1932-05-15, 1932-05-16, 1975-06-04, 1976-05-04, 2001-09-22, 2003-05-15, 2011-02-07, 2012-11-19, 2015-08-30, 2016-08-24, 2016-09-13, 2017-04-17, 2017-12-18, 2018-02-09, 2018-03-17, 2018-03-24, 2018-04-01, 2018-04-14, 2018-04-26, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-02, 2018-05-07, 2018-06-07
Pinus strobus L. - Eastern White Pine
Specimen count: 63; collection dates: 1903-00-00, 1903-05-24, 1904-09-09, 1916-10-03, 1924-11-24, 1930-04-20, 2006-03-29, 2011-02-02, 2012-11-22, 2013-09-29, 2015-05-04, 2017-04-02, 2017-04-09, 2017-04-16, 2017-05-22, 2017-07-09, 2018-02-13, 2018-03-08, 2018-03-24, 2018-03-29, 2018-04-01, 2018-04-11, 2018-04-19, 2018-04-20, 2018-04-22, 2018-04-24, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-03, 2018-05-04, 2018-05-07
Pinus sylvestris L. - Scotch Pine
Specimen count: 7; collection dates: 1903-00-00, 1916-10-05, 2018-04-27, 2018-05-01, 2018-05-08, 2018-06-03
Pinus virginiana Mill. - Virginia Pine
Specimen count: 40; collection dates: 1878-05-00, 1878-05-12, 1883-09-29, 1883-11-11, 1888-06-02, 1889-03-24, 1889-08-03, 1893-05-30, 1901-09-19, 1903-05-10, 1905-03-26, 1914-10-04, 1924-10-29, 1930-03-20, 1930-04-20, 1930-12-08, 1934-09-00, 1939-05-04, 1986-11-20, 1994-12-00, 2001-09-22, 2017-04-17, 2018-03-17, 2018-04-29, 2018-05-07
Piptochaetium avenaceum (L.) Parodi - Black-Seed Spear Grass
Specimen count: 2; collection dates: 1878-06-00, 1881-06-23
Pistia stratiotes L. - Water-Lettuce
Specimen count: 6; collection dates: 2014-08-20, 2014-08-25, 2014-09-13, 2015-06-10, 2015-09-21
Pityopsis falcata (Pursh) Nutt. - Sickle-Leaf Silk-Grass
Specimen count: 6; collection dates: 2003-08-13, 2016-06-11, 2017-08-09, 2017-09-22, 2017-09-29
Plantago arenaria Waldst. & Kit. - Sand Plantain
Specimen count: 2; collection dates: 2016-06-11
Plantago aristata Michx. - Large-Bract Plantain
Specimen count: 10; collection dates: 1895-06-13, 1896-07-10, 1899-07-00, 2016-06-10, 2016-06-11, 2016-07-03, 2017-06-09, 2017-06-10, 2017-07-02
Plantago cordata Lam. - Heart-Leaf Plantain
Plantago lanceolata L. - English Plantain
Specimen count: 185; collection dates: 1876-07-03, 1882-05-17, 1929-10-12, 1931-07-05, 2006-05-01, 2006-06-17, 2009-06-30, 2013-11-14, 2014-05-30, 2015-06-22, 2015-08-29, 2016-05-13, 2016-06-10, 2016-06-11, 2016-06-18, 2016-06-19, 2016-11-13, 2017-01-04, 2017-01-11, 2017-01-26, 2017-02-19, 2017-03-30, 2017-04-08, 2017-04-10, 2017-04-14, 2017-04-15, 2017-04-16, 2017-04-17, 2017-04-24, 2017-04-25, 2017-04-28, 2017-04-30, 2017-05-03, 2017-05-05, 2017-05-06, 2017-05-08, 2017-05-12, 2017-05-17, 2017-05-19, 2017-05-22, 2017-05-26, 2017-05-27, 2017-06-03, 2017-06-08, 2017-06-10, 2017-06-11, 2017-06-14, 2017-06-15, 2017-06-18, 2017-06-27, 2017-07-01, 2017-07-02, 2017-07-19, 2017-07-27, 2017-08-05, 2017-08-08, 2017-08-15, 2017-08-19, 2017-09-10, 2017-09-22, 2017-09-28, 2017-10-27, 2017-11-14, 2017-11-25, 2018-01-20, 2018-02-14, 2018-02-26, 2018-02-28, 2018-03-06, 2018-03-10, 2018-03-18, 2018-03-24, 2018-03-27, 2018-03-31, 2018-04-05, 2018-04-13, 2018-04-15, 2018-04-18, 2018-04-21, 2018-04-22, 2018-04-24, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018
Plantago major L. - Great Plantain
Specimen count: 137; collection dates: 1892-06-00, 1930-07-25, 1984-07-19, 1996-07-16, 1998-03-17, 2006-06-15, 2007-01-19, 2009-07-10, 2010-06-14, 2014-07-07, 2015-05-09, 2015-06-18, 2015-07-16, 2015-09-15, 2016-03-24, 2016-06-10, 2016-06-25, 2016-06-28, 2016-07-15, 2016-09-21, 2016-10-01, 2016-11-17, 2017-01-16, 2017-04-10, 2017-04-14, 2017-04-15, 2017-04-17, 2017-04-18, 2017-04-28, 2017-05-05, 2017-05-27, 2017-06-10, 2017-06-11, 2017-06-19, 2017-06-21, 2017-06-23, 2017-06-28, 2017-07-01, 2017-07-02, 2017-07-04, 2017-07-06, 2017-07-07, 2017-07-08, 2017-07-09, 2017-07-16, 2017-07-17, 2017-07-18, 2017-07-19, 2017-07-24, 2017-07-27, 2017-08-30, 2017-08-31, 2017-09-01, 2017-09-02, 2017-09-22, 2017-09-26, 2017-09-27, 2017-10-12, 2017-10-15, 2017-10-28, 2017-11-09, 2017-11-18, 2017-11-26, 2018-03-20, 2018-04-26, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-06, 2018-05-07, 2018-05-13, 2018-05-15, 2018-05-26, 2018-06-03, 2018-06-08, 2018-06-10, 2018-06-11, 2018-06-13, 2018-06-14
Plantago maritima Willk. - Goosetongue
Plantago media L. - Hoary Plantain
Specimen count: 1; collection dates: 1929-06-13
Plantago pusilla Nutt. - Prairie Plantain
Plantago rugelii Decne. - Black-Seed Plantain
Specimen count: 94; collection dates: 1902-09-00, 1930-09-20, 1962-10-06, 2006-09-06, 2009-06-22, 2009-06-30, 2009-07-10, 2011-06-13, 2013-08-21, 2013-08-26, 2014-07-07, 2015-05-22, 2016-06-11, 2016-06-19, 2016-06-28, 2016-07-03, 2017-04-15, 2017-05-12, 2017-05-15, 2017-05-26, 2017-05-28, 2017-06-01, 2017-06-11, 2017-06-15, 2017-06-21, 2017-06-22, 2017-06-24, 2017-06-27, 2017-06-28, 2017-06-29, 2017-07-01, 2017-07-11, 2017-07-15, 2017-07-18, 2017-07-19, 2017-07-20, 2017-07-24, 2017-08-03, 2017-08-17, 2017-08-29, 2017-08-30, 2017-08-31, 2017-09-10, 2017-10-04, 2017-11-05, 2018-03-20, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-17, 2018-05-24, 2018-05-25, 2018-05-26, 2018-05-27, 2018-06-09, 2018-06-15
Plantago virginica L. - Pale-Seed Plantain
Platanthera blephariglottis (Willd.) Lindl. - White Fringed Orchid
Specimen count: 6; collection dates: 1889-06-24, 1889-06-27, 1892-07-31, 1907-08-11
Platanthera ciliaris (L.) Lindl. - Yellow Fringed Orchid
Specimen count: 6; collection dates: 1877-08-29, 1878-09-00, 1888-08-18, 1889-06-27, 1890-08-02
Platanthera clavellata (Michx.) Luer - Green Woodland Orchid
Specimen count: 4; collection dates: 1877-07-10, 1891-08-22
Platanthera cristata (Michx.) Lindl. - Crested Yellow Orchid
Platanthera flava (L.) Lindl. - Pale-Green Orchid
Specimen count: 4; collection dates: 1895-06-29, 1905-08-05
Platanthera hookeri (Torr. ex A. Gray) Lindl. - Hooker's Orchid
Specimen count: 1; collection dates: 1940-06-24
Platanthera lacera (Michx.) G. Don - Green Fringed Orchid
Specimen count: 18; collection dates: 1879-07-00, 1888-06-22, 1892-07-24, 1894-07-04, 1897-07-11, 1897-07-18, 1899-07-09, 2016-06-10, 2017-07-09, 2018-04-30
Platanthera psycodes (L.) Lindl. - Pride-of-the-Peak
Specimen count: 7; collection dates: 1876-07-00, 1878-07-00, 1887-06-19, 1892-08-00, 1896-06-21, 1897-06-13
Platanus occidentalis L. - American Sycamore
Specimen count: 128; collection dates: 1876-05-24, 1880-05-19, 1886-05-20, 1886-05-23, 1887-06-19, 1894-08-06, 1894-09-22, 1896-05-24, 1898-05-00, 1900-05-20, 1902-05-12, 1924-11-24, 1925-07-05, 1938-05-26, 1940-05-28, 1990-09-30, 1991-10-28, 2006-05-03, 2006-05-24, 2014-05-30, 2015-12-20, 2016-09-19, 2016-09-21, 2016-09-25, 2016-11-04, 2017-03-19, 2017-04-09, 2017-04-15, 2017-04-16, 2017-04-17, 2017-04-30, 2017-05-03, 2017-05-04, 2017-05-05, 2017-05-15, 2017-06-15, 2017-06-24, 2017-07-05, 2017-07-23, 2017-07-27, 2017-08-06, 2017-08-15, 2017-08-24, 2017-08-31, 2017-09-02, 2017-09-05, 2017-09-11, 2017-09-21, 2017-09-26, 2017-09-27, 2017-09-29, 2017-10-08, 2017-10-19, 2017-10-20, 2017-10-28, 2018-02-09, 2018-02-23, 2018-03-05, 2018-03-10, 2018-03-12, 2018-03-19, 2018-03-24, 2018-03-26, 2018-03-28, 2018-04-02, 2018-04-06, 2018-04-14, 2018-04-20, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-02, 2018-05-03, 2018-05-06, 2018-05-07, 2018-05-08, 2018-05-10, 2018-05-15, 2018-05-17, 2018-05-24, 2018-05-26, 2018-06-17
Specimen count: 1; collection dates: 2016-10-19
Pluchea odorata (L.) Cass. - Sweetscent
Specimen count: 18; collection dates: 1869-09-20, 1890-08-02, 1891-10-24, 1894-08-27, 1901-09-11, 1904-09-22, 1906-08-25, 1914-09-03, 1940-00-00, 2006-02-01, 2015-08-30, 2017-08-23, 2017-08-27, 2017-09-02, 2017-09-10, 2017-09-17
Poa alsodes A. Gray - Grove Blue Grass
Poa annua L. - Annual Blue Grass
Specimen count: 74; collection dates: 1876-05-19, 1884-00-00, 1896-05-11, 1918-05-11, 1918-05-24, 1938-06-14, 1946-06-14, 1956-05-07, 1964-06-00, 1974-05-13, 2002-05-01, 2006-04-25, 2009-04-23, 2014-04-17, 2014-05-02, 2014-05-03, 2014-06-06, 2015-04-21, 2016-04-13, 2016-05-13, 2017-04-14, 2017-04-15, 2017-04-16, 2017-04-17, 2017-04-18, 2017-04-28, 2017-05-27, 2017-06-02, 2017-06-11, 2017-07-04, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-05, 2018-05-11, 2018-05-12, 2018-05-17, 2018-05-21, 2018-05-25, 2018-05-26, 2018-05-27, 2018-06-02, 2018-06-03
Poa bulbosa L. - Bulbous Blue Grass
Specimen count: 19; collection dates: 2011-06-15, 2017-04-15, 2017-04-16, 2017-05-03, 2017-05-06, 2017-05-08, 2017-05-12, 2017-05-21, 2018-04-28, 2018-04-29, 2018-05-04, 2018-05-08, 2018-05-18, 2018-05-21
Poa compressa L. - Flat-Stem Blue Grass
Specimen count: 24; collection dates: 1880-07-01, 1880-08-28, 1882-09-10, 1888-08-19, 1889-06-25, 1896-06-27, 1897-09-20, 1899-06-05, 1915-07-05, 1916-06-20, 1920-08-20, 1925-06-11, 1926-07-09, 1936-06-01, 1946-06-10, 1949-05-08, 1990-09-30, 2006-05-04, 2006-05-10
Poa cuspidata Nutt. - Early Blue Grass
Specimen count: 2; collection dates: 1897-05-16, 1909-06-20
Poa interior Rydb. - Inland Blue Grass
Poa nemoralis L. - Forest Blue Grass
Specimen count: 23; collection dates: 1870-07-06, 1879-06-28, 1881-06-00, 1882-06-08, 1883-06-00, 1886-08-00, 1889-06-30, 1897-06-28, 1898-07-10, 1899-06-27, 1902-06-27, 1916-07-14, 1916-07-16, 1929-06-05, 2009-06-04, 2014-05-30, 2014-06-11, 2014-06-20, 2014-07-16, 2016-06-29
Poa paludigena Fernald & Wiegand - Bog Blue Grass
Poa palustris L. - Fowl Blue Grass
Specimen count: 8; collection dates: 1881-06-26, 1890-06-22, 1890-06-29, 1896-07-14, 1916-07-16, 1946-06-27, 1947-07-07
Poa pratensis L. - Kentucky Blue Grass
Specimen count: 59; collection dates: 1852-06-19, 1871-05-30, 1878-05-28, 1878-08-00, 1879-06-00, 1879-06-19, 1880-06-00, 1886-05-00, 1895-05-29, 1896-05-23, 1898-06-02, 1898-06-05, 1899-05-26, 1899-06-03, 1899-09-05, 1900-00-00, 1903-06-16, 1903-06-17, 1904-05-22, 1904-05-28, 1909-06-20, 1912-06-15, 1916-05-26, 1916-06-16, 1923-05-26, 1925-05-27, 1927-05-16, 1927-06-16, 1946-07-07, 1948-05-14, 1949-06-01, 1952-06-10, 1980-05-19, 1993-05-13, 2006-05-10, 2009-06-04, 2011-05-24, 2014-05-30, 2015-05-05, 2015-05-06, 2015-05-20, 2017-04-18, 2018-04-30, 2018-05-24, 2018-05-25, 2018-05-28, 2018-06-15
Poa sylvestris A. Gray - Woodland Blue Grass
Specimen count: 1; collection dates: 1895-05-12
Poa trivialis L. - Rough-Stalk Blue Grass
Specimen count: 23; collection dates: 1849-05-29, 1878-06-12, 1879-06-00, 1897-06-08, 1897-06-18, 1898-06-17, 1901-06-19, 1912-06-15, 1912-07-05, 1916-06-14, 1926-06-17, 1948-06-01, 1949-06-19, 2006-05-31, 2014-05-27, 2014-05-30, 2014-06-03, 2015-06-03
Podophyllum peltatum L. - May-Apple
Specimen count: 713; collection dates: 1849-06-05, 1879-05-00, 1888-04-25, 1905-06-18, 1933-05-18, 1939-04-23, 1939-05-04, 1946-05-05, 1964-05-10, 1964-05-11, 1964-05-25, 1967-07-19, 1985-05-15, 2006-05-03, 2014-05-09, 2014-06-06, 2015-04-12, 2016-05-22, 2016-06-18, 2017-04-14, 2017-04-15, 2017-04-17, 2017-04-18, 2017-04-27, 2017-04-28, 2017-04-29, 2017-05-02, 2017-05-04, 2017-05-06, 2017-05-08, 2017-05-12, 2017-05-15, 2017-05-16, 2017-06-09, 2017-06-15, 2017-06-24, 2018-04-12, 2018-04-15, 2018-04-18, 2018-04-20, 2018-04-22, 2018-04-24, 2018-04-26, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-01, 2018-05-02, 2018-05-03, 2018-05-04, 2018-05-05, 2018-05-06, 2018-05-07, 2018-05-08, 2018-05-09, 2018-05-10, 2018-05-11, 2018-05-12, 2018-05-13, 2018-05-14, 2018-05-15, 2018-05-16, 2018-05-17, 2018-05-18, 2018-05-20, 2018-05-22, 2018-05-23, 2018-05-24, 2018-05-25, 2018-05-28, 2018-05-29, 2018-05-30, 2018-05-31, 2018-06-01, 2018-06-03, 2018-06-07, 2018-06-08, 2018-06-14, 2018-06-15, 2018-06-17
Pogonia ophioglossoides (L.) Ker Gawl. - Snake-Mouth Orchid
Specimen count: 3; collection dates: 1877-07-20, 1890-06-29
Polanisia dodecandra (L.) DC. - Red-Whisker Clammyweed
Polygala cruciata L. - Drumheads
Specimen count: 8; collection dates: 1876-08-04, 1878-08-05, 1878-08-27, 1897-08-10, 1904-09-11, 1910-09-11, 1914-09-03
Polygala nuttallii Torr. & A. Gray - Nuttall's Milkwort
Specimen count: 12; collection dates: 1878-09-02, 1886-10-03, 1898-09-02, 1901-09-19, 1904-09-10, 1905-07-26, 1905-08-05
Polygala sanguinea L. - Purple Milkwort
Specimen count: 15; collection dates: 1876-07-20, 1877-08-00, 1879-07-22, 1883-09-29, 1899-07-29, 1904-09-09, 1905-08-05, 1910-09-11, 1914-09-03, 1920-08-08, 1925-07-03, 1941-07-24
Polygala senega L. - Seneca-Snakeroot
Polygala verticillata L. - Whorled Milkwort
Specimen count: 21; collection dates: 1875-07-28, 1877-00-00, 1877-09-01, 1879-07-01, 1882-08-12, 1884-08-12, 1894-07-15, 1897-10-30, 1899-08-06, 1902-09-00, 1903-08-09, 1904-07-30, 1904-08-13, 1904-09-11, 1905-08-05, 1905-08-12, 1925-09-13, 1955-07-26
Polygonatum biflorum (Walter) Elliott - King Solomon's-Seal
Specimen count: 58; collection dates: 1877-07-02, 1882-06-05, 1893-05-21, 1925-05-08, 1925-05-26, 1946-05-05, 1963-05-07, 2013-05-20, 2014-06-03, 2015-05-03, 2017-04-18, 2017-04-25, 2017-04-26, 2017-05-06, 2017-05-12, 2017-05-15, 2017-06-19, 2017-06-20, 2017-07-01, 2017-09-10, 2017-11-03, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-04, 2018-05-10, 2018-05-11, 2018-05-17, 2018-05-19, 2018-05-20, 2018-05-29, 2018-06-14
Polygonatum pubescens (Willd.) Pursh - Hairy Solomon's-Seal
Specimen count: 10; collection dates: 1896-05-11, 1985-05-01, 1986-05-06, 2004-05-13, 2006-05-03, 2006-05-24, 2017-05-05, 2017-09-10
Polygonum articulatum L. - Coastal Jointweed
Specimen count: 1; collection dates: 2014-09-15
Polygonum aviculare L. - Yard Knotweed
Specimen count: 74; collection dates: 1848-09-00, 1876-05-30, 1884-10-23, 1925-06-29, 1934-09-28, 1936-07-02, 1990-07-30, 2006-05-27, 2009-09-04, 2009-09-25, 2011-07-24, 2013-07-10, 2013-08-26, 2014-07-02, 2014-09-24, 2015-09-02, 2015-12-16, 2016-05-25, 2016-06-22, 2016-07-09, 2016-07-13, 2016-09-24, 2017-04-18, 2017-04-27, 2017-05-01, 2017-05-03, 2017-05-04, 2017-05-10, 2017-06-02, 2017-06-09, 2017-06-13, 2017-06-14, 2017-06-30, 2017-07-30, 2017-08-05, 2017-09-02, 2017-11-08, 2017-11-09, 2017-11-29, 2017-12-02, 2017-12-03, 2018-03-06, 2018-04-24, 2018-04-30, 2018-05-08, 2018-05-21, 2018-05-22, 2018-05-23, 2018-05-25, 2018-05-30, 2018-06-08, 2018-06-10, 2018-06-11, 2018-06-13, 2018-06-14, 2018-06-15, 2018-06-18
Polygonum buxiforme Small - Box Knotweed
Polygonum glaucum Nutt. - Seaside Knotweed
Specimen count: 1; collection dates: 1925-08-22
Polygonum ramosissimum Michx. - Yellow-Flower Knotweed
Specimen count: 13; collection dates: 1856-09-12, 1878-08-00, 1889-09-22, 1894-10-06, 1903-10-04, 1910-09-18, 1914-09-03, 1914-10-03, 1948-10-08, 2015-08-26, 2016-10-29
Polygonum tenue Michx. - Pleat-Leaf Knotweed
Specimen count: 9; collection dates: 1870-09-00, 1878-09-09, 1895-08-17, 1905-08-26, 1925-09-01, 1945-08-25, 1987-07-28, 2015-07-31
Polypodium appalachianum Haufler & Windham - Appalachian Polypody
Polypodium virginianum L. - Rock Polypody
Specimen count: 4; collection dates: 1878-04-04, 2013-08-17, 2016-06-09, 2016-06-15
Polystichum acrostichoides (Michx.) Schott - Christmas Fern
Specimen count: 127; collection dates: 1877-08-00, 1878-10-00, 1879-10-00, 1882-08-20, 1885-06-07, 1896-07-02, 1899-06-03, 1899-06-11, 1899-09-21, 1900-07-14, 1903-09-20, 1903-09-25, 1903-11-08, 1903-12-13, 1903-12-20, 1904-10-29, 1905-09-30, 1906-09-06, 1906-09-09, 1907-07-24, 1908-10-25, 1925-06-13, 1946-06-00, 1947-06-00, 1987-09-18, 2013-08-26, 2014-06-11, 2014-07-26, 2014-10-02, 2015-04-21, 2015-10-13, 2016-07-31, 2017-04-02, 2017-04-14, 2017-04-16, 2017-04-18, 2017-05-02, 2017-05-04, 2017-05-06, 2017-06-09, 2017-06-14, 2017-07-26, 2017-09-19, 2017-09-21, 2017-09-22, 2017-09-23, 2017-10-20, 2017-11-02, 2017-11-11, 2017-11-14, 2017-11-21, 2017-11-29, 2017-12-03, 2017-12-05, 2017-12-06, 2017-12-12, 2018-03-10, 2018-03-19, 2018-03-30, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-01, 2018-05-03, 2018-05-04, 2018-05-08, 2018-05-09, 2018-05-13, 2018-05-14, 2018-05-24, 2018-06-03, 2018-06-11
Pontederia cordata L. - Pickerelweed
Specimen count: 37; collection dates: 1860-07-19, 1864-07-29, 1869-09-09, 1872-07-00, 1876-07-01, 1876-08-14, 1878-07-00, 1879-07-05, 1882-07-00, 1904-06-27, 1905-07-18, 1905-08-05, 1911-06-24, 1925-07-17, 1938-08-06, 1939-06-23, 1940-08-20, 1948-06-00, 1991-10-09, 2006-07-19, 2011-06-20, 2013-08-26, 2013-10-31, 2014-06-30, 2015-09-22, 2016-06-20, 2016-06-25, 2016-07-02, 2016-07-10, 2016-09-04, 2017-06-26, 2017-08-06, 2017-08-24, 2018-05-22
Populus alba L. - White Poplar
Specimen count: 40; collection dates: 1882-05-28, 1896-04-22, 1897-07-30, 1903-11-23, 1907-05-18, 1924-11-24, 1925-06-10, 1926-07-16, 1986-10-11, 2006-09-18, 2015-08-30, 2016-06-10, 2016-06-11, 2016-11-08, 2017-04-02, 2017-04-16, 2017-04-28, 2017-08-12, 2017-08-28, 2017-09-08, 2017-10-03, 2018-02-08, 2018-04-28, 2018-04-29, 2018-04-30
Populus balsamifera L. - Balsam Poplar
Specimen count: 10; collection dates: 1924-10-00, 1925-09-10, 1927-04-05, 1927-04-08, 1927-04-09, 1928-09-10
Populus deltoides W. Bartram ex Marshall - Eastern Cottonwood
Specimen count: 156; collection dates: 1925-03-26, 1925-04-05, 1925-06-17, 1925-06-28, 1987-03-14, 1987-03-17, 1987-04-04, 1990-09-30, 2005-09-17, 2006-04-09, 2006-09-16, 2006-10-07, 2008-05-26, 2009-04-22, 2009-06-01, 2012-05-24, 2015-08-18, 2015-12-25, 2016-04-07, 2016-06-01, 2016-06-02, 2016-06-10, 2016-06-11, 2016-06-24, 2016-07-03, 2016-10-14, 2016-11-16, 2017-03-26, 2017-04-17, 2017-04-18, 2017-04-23, 2017-04-28, 2017-04-29, 2017-04-30, 2017-05-04, 2017-05-12, 2017-05-18, 2017-05-21, 2017-06-03, 2017-06-21, 2017-06-28, 2017-06-29, 2017-07-01, 2017-07-02, 2017-07-21, 2017-07-25, 2017-07-30, 2017-08-02, 2017-08-05, 2017-08-08, 2017-08-19, 2017-08-23, 2017-08-24, 2017-09-09, 2017-09-10, 2017-09-13, 2017-09-14, 2017-10-06, 2017-10-10, 2017-10-27, 2017-10-28, 2017-11-05, 2017-11-12, 2018-02-23, 2018-03-03, 2018-03-10, 2018-03-17, 2018-03-24, 2018-04-09, 2018-04-15, 2018-04-22, 2018-04-26, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-09, 2018-05-10, 2018-05-11, 2018-05-13, 2018-05-14, 2018-05-24, 2018-05-25, 2018-05-29, 2018-06-02, 2018
Populus grandidentata Michx. - Big-Tooth Aspen
Specimen count: 52; collection dates: 1878-06-00, 1882-04-20, 1884-04-24, 1886-05-15, 1886-05-23, 1888-04-29, 1890-04-10, 1891-06-00, 1893-07-22, 1894-07-20, 1896-04-18, 1896-05-03, 1896-06-30, 1900-05-27, 1903-04-18, 1903-05-10, 1904-04-17, 1906-04-20, 1906-10-07, 1918-04-19, 1925-06-13, 1925-06-16, 1932-06-07, 1933-05-21, 1986-04-15, 1986-05-23, 1986-10-11, 1987-03-30, 1987-04-04, 1987-04-25, 1990-09-30, 2007-05-23, 2016-06-23, 2017-03-26, 2017-04-02, 2017-04-15, 2017-04-30, 2017-05-12, 2018-03-01
Populus heterophylla L. - Swamp Cottonwood
Specimen count: 29; collection dates: 1871-07-14, 1878-05-28, 1879-05-22, 1884-05-10, 1885-06-07, 1886-05-31, 1887-00-00, 1890-10-04, 1893-05-03, 1893-06-03, 1894-07-22, 1895-05-12, 1900-04-08, 1903-04-18, 1903-04-19, 1903-05-24, 1903-05-25, 1903-06-21, 1934-06-20, 1995-03-30, 2009-05-04, 2016-08-19, 2017-04-16
Populus nigra L. - Black Poplar
Specimen count: 15; collection dates: 1897-10-09, 1902-09-23, 1903-10-04, 1906-06-10, 1907-04-00, 1914-07-06, 1915-09-14, 1920-00-00, 1990-09-30, 2013-07-15, 2016-08-15, 2018-04-21
Populus tremuloides Michx. - Quaking Aspen
Specimen count: 41; collection dates: 1876-05-03, 1886-05-23, 1886-06-20, 1903-05-09, 1925-03-31, 1925-04-05, 1933-05-21, 1937-04-25, 1987-06-16, 2006-06-06, 2009-03-27, 2009-05-04, 2015-08-30, 2016-06-10, 2016-06-11, 2016-06-23, 2016-07-15, 2016-08-10, 2016-09-14, 2017-04-18, 2017-05-27, 2017-06-01, 2017-07-24, 2017-08-28, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-07, 2018-05-08, 2018-05-20, 2018-05-30, 2018-06-04, 2018-06-09
Portulaca oleracea L. - Little-Hogweed
Specimen count: 36; collection dates: 1878-07-14, 1881-08-00, 1925-09-18, 2005-07-16, 2006-07-06, 2009-08-03, 2013-07-10, 2014-06-25, 2015-09-02, 2016-06-11, 2016-06-26, 2016-08-10, 2016-09-29, 2017-06-07, 2017-06-11, 2017-06-16, 2017-07-01, 2017-07-02, 2017-07-04, 2017-07-06, 2017-07-21, 2017-07-22, 2017-07-24, 2017-08-06, 2017-08-08, 2017-08-19, 2017-09-01, 2017-09-10, 2017-09-15, 2018-04-28, 2018-05-20, 2018-06-10, 2018-06-11, 2018-06-13, 2018-06-18
Potamogeton berchtoldii Fieber - Little Aguja Pondweed
Specimen count: 1; collection dates: 1877-09-28
Potamogeton bicupulatus Fernald - Snail-Seed Pondweed
Potamogeton crispus L. - Curly Pondweed
Specimen count: 12; collection dates: 1937-07-30, 1947-10-00, 1994-10-21, 1995-06-16, 2009-08-31, 2014-05-03, 2014-08-18, 2015-06-03, 2016-06-13, 2016-08-13, 2018-04-30
Potamogeton diversifolius Raf. - Waterthread
Specimen count: 8; collection dates: 1883-09-02, 1884-08-17, 1884-10-12, 1891-11-00, 1897-11-02
Potamogeton epihydrus Raf. - Ribbon-Leaf Pondweed
Potamogeton foliosus Raf. - Leafy Pondweed
Specimen count: 9; collection dates: 1886-10-09, 1995-05-24, 1998-06-10, 2008-07-17, 2014-08-18, 2016-08-13, 2016-11-02, 2017-09-04
Potamogeton gramineus L. - Grassy Pondweed
Specimen count: 1; collection dates: 1893-09-04
Potamogeton oakesianus J. W. Robbins - Oakes' Pondweed
Potamogeton perfoliatus L. - Clasping-Leaf Pondweed
Potamogeton pulcher Tuck. - Spotted Pondweed
Specimen count: 11; collection dates: 1882-08-00, 1883-06-17, 1883-08-12, 1886-10-09, 1916-07-30, 1938-06-23
Potamogeton pusillus L. - Small Pondweed
Specimen count: 6; collection dates: 1883-06-17, 1883-08-12, 1895-08-10, 2009-09-01, 2014-08-18
Potamogeton spirillus Tuck. - Spiral Pondweed
Specimen count: 1; collection dates: 1883-09-02
Potamogeton zosteriformis Fernald - Flat-Stem Pondweed
Potentilla argentea L. - Silver-Leaf Cinquefoil
Specimen count: 54; collection dates: 1879-05-30, 1898-06-19, 1899-06-20, 1902-07-18, 1904-06-03, 1904-08-03, 1920-05-26, 1924-09-00, 1927-06-20, 1945-05-16, 1964-05-25, 2002-05-25, 2006-05-02, 2006-05-10, 2006-05-27, 2007-05-23, 2015-09-15, 2016-06-11, 2016-11-17, 2017-04-02, 2017-04-15, 2017-04-16, 2017-05-12, 2017-05-18, 2017-05-19, 2017-05-21, 2017-05-28, 2017-06-04, 2017-06-08, 2017-06-20, 2017-11-21, 2018-03-27, 2018-04-13, 2018-04-22, 2018-04-28, 2018-05-13, 2018-05-17, 2018-05-20, 2018-05-25, 2018-05-29, 2018-06-08, 2018-06-15, 2018-06-17
Potentilla canadensis L. - Dwarf Cinquefoil
Specimen count: 12; collection dates: 1881-06-00, 1901-06-05, 1911-05-13, 1925-05-26, 1946-05-00, 2017-04-17, 2017-04-30, 2018-03-10, 2018-04-29
Potentilla inclinata Vill. - Ashy Cinquefoil
Specimen count: 3; collection dates: 1880-07-05, 1904-06-04, 1904-08-03
Potentilla indica (Jacks.) Th.Wolf - Indian-Strawberry
Specimen count: 113; collection dates: 1878-09-00, 1879-06-25, 1879-07-00, 1879-07-28, 1889-06-15, 1905-04-29, 1905-08-13, 1919-05-03, 1924-07-00, 2006-05-01, 2009-06-30, 2012-05-14, 2013-08-26, 2014-05-02, 2014-05-03, 2014-05-21, 2014-05-30, 2014-06-02, 2015-07-16, 2015-10-01, 2016-10-02, 2016-12-04, 2017-02-18, 2017-04-16, 2017-04-18, 2017-04-29, 2017-05-03, 2017-05-05, 2017-05-09, 2017-06-03, 2017-06-08, 2017-06-15, 2017-06-25, 2017-06-30, 2017-07-09, 2017-08-26, 2017-09-07, 2017-10-13, 2017-10-25, 2017-11-09, 2017-11-25, 2017-11-29, 2018-01-27, 2018-02-16, 2018-03-10, 2018-03-24, 2018-03-29, 2018-04-13, 2018-04-24, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-01, 2018-05-05, 2018-05-08, 2018-05-11, 2018-05-13, 2018-05-14, 2018-05-21, 2018-05-23, 2018-05-25, 2018-05-28, 2018-05-30, 2018-06-02, 2018-06-04, 2018-06-08, 2018-06-09, 2018-06-14, 2018-06-15
Potentilla intermedia L. - Downy Cinquefoil
Specimen count: 3; collection dates: 1880-07-05, 1898-06-16, 1899-06-02
Potentilla norvegica L. - Norwegian Cinquefoil
Specimen count: 20; collection dates: 1875-08-29, 1885-08-08, 1891-06-00, 1897-06-06, 1899-06-20, 1908-09-20, 1920-08-13, 1921-09-03, 1939-07-05, 2006-06-21, 2009-08-03, 2014-06-03, 2014-06-30, 2015-06-16, 2016-06-10, 2017-07-03, 2018-04-28
Potentilla recta L. - Sulphur Cinquefoil
Specimen count: 67; collection dates: 1879-06-14, 1879-07-28, 1898-06-24, 1898-07-20, 1899-06-02, 1899-06-20, 1899-06-25, 1899-07-31, 1901-07-08, 1901-09-24, 1904-06-16, 1904-08-03, 1904-09-23, 1906-07-07, 1908-05-25, 1908-06-22, 1922-08-18, 1925-06-28, 1926-08-08, 1929-06-18, 1936-06-11, 1946-05-00, 1947-06-21, 2006-05-31, 2006-06-10, 2009-08-06, 2016-06-03, 2016-06-11, 2016-06-13, 2017-05-03, 2017-05-21, 2017-05-28, 2017-05-31, 2017-06-08, 2017-06-20, 2017-07-09, 2017-08-21, 2017-11-07, 2018-01-26, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-14, 2018-05-25, 2018-06-04, 2018-06-06, 2018-06-13
Potentilla reptans L. - Creeping Cinquefoil
Specimen count: 3; collection dates: 1944-08-11, 2018-05-06, 2018-05-17
Potentilla simplex Michx. - Oldfield Cinquefoil
Specimen count: 30; collection dates: 1869-05-00, 1875-05-03, 1881-00-00, 1884-05-17, 1890-07-12, 1903-05-10, 1906-06-09, 1913-05-26, 1927-06-08, 1987-05-12, 2006-04-17, 2006-05-10, 2006-05-27, 2014-06-03, 2015-10-06, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-19, 2018-05-23, 2018-05-26, 2018-05-28
Proserpinaca pectinata Lam. - Comb-Leaf Mermaidweed
Prunella vulgaris L. - Common Selfheal
Specimen count: 20; collection dates: 1888-10-21, 1898-07-07, 1899-07-12, 1902-07-20, 1913-08-04, 1940-08-22, 2006-06-05, 2006-06-29, 2014-06-27, 2016-06-29, 2016-07-30, 2017-06-22, 2017-06-23, 2017-08-06, 2017-08-17, 2018-03-20, 2018-04-29, 2018-05-24
Prunus americana Marshall - American Plum
Specimen count: 13; collection dates: 1878-00-00, 1878-04-30, 1880-05-25, 1884-05-17, 1885-05-23, 1891-09-00, 1925-07-29, 1939-05-05, 2018-04-27, 2018-04-29, 2018-05-05, 2018-06-09
Prunus avium (L.) L. - Sweet Cherry
Specimen count: 70; collection dates: 1879-05-09, 1885-05-10, 1891-04-25, 1896-04-22, 1898-04-30, 1903-09-00, 1904-05-10, 1906-10-27, 1915-04-28, 1922-06-22, 1925-04-26, 1925-05-31, 2015-04-23, 2017-06-30, 2017-07-15, 2017-07-27, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-02, 2018-05-09, 2018-05-10, 2018-06-04, 2018-06-10, 2018-06-19
Prunus cerasus L. - Sour Cherry
Specimen count: 5; collection dates: 1885-05-17, 1898-06-26, 1903-10-11, 1937-06-25, 1949-04-16
Prunus mahaleb L. - Perfumed Cherry
Specimen count: 16; collection dates: 1882-05-28, 1883-05-09, 1890-05-18, 1893-06-25, 1893-07-01, 1899-05-14, 1902-04-24, 1902-11-26, 1907-05-18, 1922-06-22, 1985-05-15, 2017-06-30
Prunus maritima Marshall - Beach Plum
Specimen count: 43; collection dates: 1877-04-24, 1879-05-10, 1879-05-27, 1881-05-00, 1882-05-21, 1884-00-00, 1887-09-18, 1891-05-03, 1891-09-20, 1892-05-08, 1898-09-18, 1902-06-07, 1903-05-16, 1907-05-12, 1915-09-08, 1925-05-03, 1933-06-23, 1933-07-28, 2006-08-19, 2007-08-25, 2016-06-11, 2016-07-09, 2017-04-14, 2017-04-28, 2017-05-31, 2017-06-23, 2017-08-28, 2017-09-08, 2018-04-27, 2018-04-28, 2018-04-29, 2018-05-04, 2018-05-05, 2018-05-07
Prunus padus L. - European Bird Cherry
Specimen count: 10; collection dates: 1878-05-00, 1880-05-12, 1898-05-17, 1899-08-23, 1938-04-19, 2009-04-13, 2009-04-22, 2018-05-07
Prunus pensylvanica L. f. - Fire Cherry
Specimen count: 16; collection dates: 1880-05-08, 1885-05-23, 1898-05-03, 1900-05-10, 1920-07-24, 1922-06-22, 1924-05-29, 2017-04-15, 2018-04-27, 2018-04-28, 2018-04-29, 2018-05-07, 2018-05-11
Prunus pumila L. - Great Lakes Sand Cherry
Specimen count: 1; collection dates: 2018-04-27
Prunus serotina Ehrh. - Black Cherry
Specimen count: 376; collection dates: 1853-05-22, 1876-05-24, 1878-06-00, 1881-05-00, 1883-06-02, 1888-06-10, 1893-05-00, 1894-08-05, 1906-10-07, 1907-06-02, 1920-05-29, 1924-11-24, 1925-05-23, 1925-05-24, 1949-05-08, 1966-08-04, 1985-05-15, 1985-11-02, 1986-05-19, 1987-04-25, 1990-09-09, 1990-09-30, 1991-05-23, 1993-05-18, 1993-07-03, 2006-04-29, 2006-05-10, 2006-05-13, 2006-05-20, 2006-10-07, 2007-06-16, 2010-07-25, 2013-08-26, 2014-05-21, 2014-05-30, 2014-07-16, 2014-09-07, 2015-08-30, 2016-06-03, 2016-06-10, 2016-06-28, 2016-09-28, 2016-10-22, 2016-10-30, 2016-11-13, 2017-03-24, 2017-03-26, 2017-04-02, 2017-04-14, 2017-04-15, 2017-04-18, 2017-04-20, 2017-04-27, 2017-04-28, 2017-04-30, 2017-05-02, 2017-05-18, 2017-05-21, 2017-05-23, 2017-05-26, 2017-06-08, 2017-06-10, 2017-06-11, 2017-06-14, 2017-06-18, 2017-06-20, 2017-06-21, 2017-06-22, 2017-06-23, 2017-06-27, 2017-06-28, 2017-06-29, 2017-06-30, 2017-07-01, 2017-07-02, 2017-07-04, 2017-07-05, 2017-07-11, 2017-07-12, 2017-07-14, 2017-07-15, 2017-07-21, 2017-07-22, 2017-07-23, 2017-07-25, 2017
Prunus spinosa L. - Blackthorn
Prunus virginiana L. - Choke Cherry
Specimen count: 67; collection dates: 1899-08-23, 1901-07-10, 1904-05-26, 1904-07-14, 1904-09-08, 1909-05-19, 1915-05-12, 1964-09-00, 2006-04-20, 2006-05-03, 2009-04-29, 2014-04-26, 2015-04-21, 2015-04-22, 2017-04-18, 2017-04-19, 2017-04-27, 2017-04-28, 2017-05-02, 2017-05-09, 2017-05-23, 2017-06-24, 2017-07-01, 2017-08-30, 2017-09-27, 2017-11-08, 2017-11-12, 2017-11-27, 2017-12-12, 2018-04-20, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-02, 2018-05-04, 2018-05-06, 2018-05-07, 2018-05-08, 2018-05-10, 2018-06-09, 2018-06-11
Pseudofumaria lutea (L.) Borkh. - Rock-Fumewort
Specimen count: 3; collection dates: 2015-05-20, 2017-08-05, 2018-04-29
Pseudognaphalium obtusifolium (L.) Hilliard & B. L. Burtt - Blunt-Leaf Rabbit-Tobacco
Specimen count: 7; collection dates: 2009-09-02, 2014-08-16, 2016-06-11, 2016-09-25, 2017-09-22, 2017-09-29
Ptelea trifoliata L. - Common Hoptree
Specimen count: 40; collection dates: 1878-05-03, 1885-07-29, 1888-07-28, 1905-10-05, 1911-06-10, 1911-06-15, 1911-06-16, 1919-09-03, 1925-06-23, 1931-12-02, 1937-07-07, 1973-06-14, 1993-07-03, 1997-07-14, 2004-07-00, 2006-06-01, 2006-08-19, 2008-10-10, 2008-10-11, 2009-06-04, 2009-07-14, 2009-08-03, 2013-09-15, 2015-06-03, 2015-07-22, 2018-05-11, 2018-05-12, 2018-05-18
Pteridium aquilinum (L.) Kuhn - Northern Bracken Fern
Specimen count: 41; collection dates: 1876-07-24, 1877-00-00, 1880-08-00, 1880-09-00, 1882-07-03, 1882-09-10, 1887-07-03, 1894-08-19, 1899-00-00, 1899-06-00, 1899-06-17, 1899-09-23, 1899-09-30, 1903-09-19, 1904-06-25, 1904-09-17, 1906-06-02, 1906-07-16, 1906-08-14, 1908-10-25, 1912-06-02, 2016-07-03, 2016-07-30, 2017-05-02, 2017-05-08, 2017-05-12, 2017-06-28, 2017-08-05, 2018-04-28, 2018-05-14, 2018-06-14, 2018-06-19
Ptilimnium capillaceum (Michx.) Raf. - Herbwilliam
Specimen count: 2; collection dates: 1878-08-30, 2016-07-03
Puccinellia distans (Jacq.) Parl. - Spreading Alkali Grass
Specimen count: 5; collection dates: 1879-06-00, 1889-06-01, 1889-06-15, 1889-07-12, 1953-08-28
Puccinellia fasciculata (Torr.) E. P. Bicknell - Saltmarsh Alkali Grass
Specimen count: 2; collection dates: 1878-09-10, 1916-06-27
Pueraria montana (Lour.) Merr. - Kudzu
Specimen count: 2; collection dates: 2017-09-10, 2018-06-09
Pulmonaria saccharata Mill. - Bethlehem Lungwort
Specimen count: 1; collection dates: 1939-05-10
Pycnanthemum clinopodioides Torr. & A. Gray - Hybrid Mountain-Mint
Specimen count: 5; collection dates: 1841-09-27, 1847-08-23, 1867-08-23, 1879-08-09, 1893-07-23
Pycnanthemum incanum (L.) Michx. - Hoary Mountain-Mint
Specimen count: 1; collection dates: 1911-09-01
Pycnanthemum muticum (Michx.) Pers. - Clustered Mountain-Mint
Specimen count: 14; collection dates: 1877-07-28, 1879-09-15, 1890-08-03, 1896-07-20, 1898-09-24, 1898-09-29, 1899-07-31, 1901-09-19, 1932-07-24, 2015-07-14, 2015-08-10, 2015-10-20, 2017-11-25, 2018-04-26
Pycnanthemum tenuifolium Schrad. - Narrow-Leaf Mountain-Mint
Specimen count: 9; collection dates: 1874-08-14, 1876-07-29, 1891-10-24, 1898-08-02, 1901-10-07, 1907-08-23, 1925-07-25, 2013-07-26, 2017-09-21
Pycnanthemum torreyi Benth. - Torrey's Mountain-Mint
Pycnanthemum virginianum (L.) T. Dur. & B. D. Jacks. ex B. L. Rob. & Fernald - Virginia Mountain-Mint
Specimen count: 17; collection dates: 1880-07-18, 1893-09-07, 1898-08-02, 1900-09-23, 1901-09-13, 1901-09-14, 1901-10-07, 1913-06-13, 1922-09-14, 1923-08-11, 1929-07-15, 1936-09-09, 2013-09-21, 2017-07-09
Pyrola americana Sweet - American Wintergreen
Specimen count: 57; collection dates: 2016-06-18, 2016-06-20, 2016-06-25, 2016-07-30, 2016-07-31, 2017-04-02, 2017-04-15, 2017-04-16, 2017-04-18, 2017-05-12, 2017-05-15, 2017-05-23, 2017-06-09, 2017-06-14, 2017-06-30, 2017-08-05, 2018-03-04, 2018-03-05, 2018-03-30, 2018-04-14, 2018-04-22, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-19, 2018-06-08, 2018-06-17
Pyrola elliptica Nutt. - Shinleaf
Specimen count: 1; collection dates: 2015-05-03
Pyrus calleryana Decne. - Bradford Pear
Specimen count: 143; collection dates: 2004-09-12, 2006-04-11, 2006-04-12, 2006-10-01, 2012-09-05, 2013-10-03, 2014-04-17, 2014-05-03, 2015-04-22, 2015-04-29, 2015-08-30, 2015-10-21, 2016-08-24, 2016-11-08, 2017-04-14, 2017-04-16, 2017-04-18, 2017-08-25, 2017-10-11, 2017-11-01, 2017-11-08, 2017-11-12, 2017-11-28, 2017-12-05, 2017-12-10, 2018-04-05, 2018-04-13, 2018-04-15, 2018-04-17, 2018-04-18, 2018-04-20, 2018-04-21, 2018-04-22, 2018-04-23, 2018-04-24, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-01, 2018-05-03, 2018-05-06, 2018-05-07, 2018-05-08, 2018-05-09, 2018-05-10, 2018-05-14, 2018-05-25
Pyrus communis L. - Common Pear
Specimen count: 10; collection dates: 1879-05-09, 1885-05-17, 1891-05-00, 1915-10-13, 1916-08-23, 1925-08-12, 1928-05-13, 1987-04-25, 2018-04-27, 2018-04-30
Quercus alba L. - Northern White Oak
Specimen count: 160; collection dates: 1875-04-26, 1879-09-28, 1883-09-15, 1886-09-00, 1888-10-28, 1892-08-07, 1893-05-00, 1896-05-05, 1896-05-11, 1896-10-07, 1900-09-25, 1906-10-07, 1908-09-12, 1910-10-16, 1924-11-24, 1925-08-15, 1975-06-04, 1986-12-29, 1989-10-24, 1990-09-30, 2006-09-27, 2008-09-23, 2009-04-30, 2009-08-23, 2010-09-16, 2011-08-28, 2014-09-07, 2015-12-27, 2016-04-13, 2016-06-12, 2016-06-20, 2016-06-29, 2016-07-03, 2017-03-26, 2017-04-09, 2017-04-15, 2017-04-28, 2017-04-30, 2017-05-12, 2017-05-15, 2017-05-22, 2017-05-26, 2017-06-09, 2017-06-10, 2017-06-15, 2017-06-17, 2017-06-20, 2017-06-28, 2017-07-01, 2017-07-05, 2017-07-06, 2017-07-12, 2017-07-18, 2017-07-20, 2017-08-19, 2017-08-30, 2017-09-12, 2017-09-19, 2017-09-20, 2017-09-23, 2017-09-27, 2017-10-06, 2017-10-10, 2017-10-26, 2017-10-30, 2017-12-11, 2018-02-23, 2018-02-26, 2018-02-28, 2018-03-05, 2018-03-10, 2018-03-12, 2018-03-17, 2018-03-20, 2018-03-24, 2018-04-27, 2018-04-28, 2018-04-29, 2018-04-30, 2018-05-03, 2018-05-07, 2018-05-08, 2018-05-10, 2018-05-15, 2018-05-16, 2018
Quercus bicolor Willd. - Swamp White Oak
Specimen count: 96; collection dates: 1875-04-26, 1877-05-00, 1883-09-00, 1883-09-11, 1883-09-29, 1884-10-05, 1891-05-03, 1891-11-04, 1892-09-17, 1896-05-11, 1896-09-30, 1903-05-10, 1905-07-25, 1908-09-12, 1909-08-14, 1912-07-23, 1914-09-11, 1922-05-17, 1922-07-10, 1922-07-21, 1922-09-14, 1923-06-02, 1924-11-24, 1925-05-08, 1925-07-01, 1925-07-02, 1925-07-26, 1925-08-14, 1925-08-15, 1925-10-10, 1929-06-13, 1940-05-22, 1945-08-18, 1975-05-16, 1993-05-06, 1996-07-14, 2006-05-03, 2007-07-24, 2010-08-05, 2014-07-16, 2016-04-13, 2016-06-08, 2016-09-21, 2016-09-28, 2017-03-26, 2017-04-02, 2017-04-03, 2017-04-09, 2017-04-15, 2017-04-30, 2017-05-02, 2017-05-12, 2017-08-19, 2017-09-10, 2017-09-11, 2017-09-27, 2017-09-28, 2018-01-10, 2018-02-26, 2018-02-28, 2018-03-12, 2018-03-20, 2018-04-28, 2018-04-29, 2018-05-07, 2018-05-13, 2018-05-16, 2018-06-05, 2018-06-08, 2019-07-15
Quercus cerris L. - European Turkey Oak
Specimen count: 115; collection dates: 1888-00-00, 1888-09-00, 1888-09-02, 1888-09-22, 1896-09-26, 1898-10-04, 1903-09-00, 1903-10-04, 1905-09-23, 1905-10-15, 1906-05-10, 1908-10-11, 1909-08-05, 1917-08-13, 1917-09-15, 1917-09-27, 1918-07-08, 1920-11-12, 1922-10-28, 1924-07-09, 1924-10-00, 1925-09-17, 1928-06-12, 1928-07-17, 1928-09-27, 1929-06-09, 1930-06-25, 1934-06-15, 1941-08-27, 1941-11-08, 1993-09-10, 2006-06-29, 2013-10-15, 2013-11-14, 2016-06-22, 2016-06-26, 2016-09-07, 2018-04-30, 2018-05-01, 2018-05-22
Quercus coccinea Münchh. - Scarlet Oak
Specimen count: 39; collection dates: 1864-09-17, 1875-05-17, 1880-09-00, 1882-11-12, 1883-11-04, 1885-11-01, 1888-10-28, 1892-10-08, 1905-10-22, 1924-11-24, 1935-07-15, 1938-06-18, 1953-06-03, 1975-10-01, 2016-09-21, 2016-11-06, 2016-12-14, 2017-04-02, 2017-04-15, 2017-05-15, 2017-08-19, 2017-08-31, 2017-09-27, 2017-10-04, 2017-10-17, 2017-10-24, 2017-10-25, 2017-10-31, 2017-11-08, 2017-11-18, 2017-11-22, 2017-11-26, 2017-11-27, 2018-04-26, 2018-04-29, 2018-05-14
Quercus ilicifolia Wangenh. - Bear Oak
Specimen count: 31; collection dates: 1887-06-05, 1892-00-00, 1892-07-03, 1892-09-10, 1896-08-08, 1902-05-21, 1905-09-23, 1905-09-29, 1923-06-02, 1924-11-24, 1925-08-06, 1931-05-24, 1934-07-16, 1938-07-04, 1940-05-22, 1994-11-19, 2016-11-30, 2016-12-11
Quercus imbricaria Michx. - Shingle Oak
Specimen count: 8; collection dates: 1903-09-00, 1931-09-18, 1940-05-22, 1991-08-06, 2008-09-22, 2016-10-19, 2017-07-09, 2018-02-16
Quercus marilandica Münchh. - Blackjack Oak
Specimen count: 39; collection dates: 1878-08-25, 1878-08-27, 1884-05-11, 1887-06-05, 1892-08-00, 1892-08-08, 1892-09-17, 1896-08-08, 1896-09-17, 1905-10-22, 1908-10-11, 1925-10-10, 1932-10-12, 1975-05-16, 1975-08-20, 1993-06-15, 1993-09-00, 2007-06-16, 2015-08-30, 2016-07-03, 2016-09-25, 2016-09-28, 2016-10-29, 2017-04-17, 2017-05-15, 2017-06-25, 2018-04-26
Quercus montana Willd. - Chestnut Oak
Specimen count: 41; collection dates: 1976-06-08, 1990-09-30, 2006-10-07, 2010-04-17, 2016-02-06, 2016-06-12, 2016-06-19, 2016-06-20, 2016-08-17, 2016-08-19, 2016-09-28, 2016-10-22, 2017-04-02, 2017-04-17, 2017-04-26, 2017-05-03, 2017-05-08, 2017-07-06, 2017-09-20, 2017-09-26, 2017-09-27, 2017-10-06, 2017-10-22, 2017-11-04, 2018-04-30, 2018-05-03, 2018-05-06, 2018-05-09, 2018-05-10, 2018-05-24, 2018-05-28, 2018-06-02, 2018-06-03
Quercus palustris Münchh. - Pin Oak
Specimen count: 250; collection dates: 1880-09-00, 1880-10-24, 1881-05-18, 1882-11-12, 1887-09-18, 1888-10-28, 1891-05-10, 1891-06-00, 1893-09-23, 1896-05-05, 1896-09-30, 1908-09-12, 1923-10-10, 1924-11-24, 1925-10-10, 1929-06-13, 1937-10-08, 1975-08-12, 1987-02-03, 1990-09-30, 1993-07-17, 1993-07-20, 1997-10-16, 2003-09-19, 2006-05-03, 2006-07-26, 2008-09-22, 2008-09-24, 2009-08-26, 2010-07-26, 2011-08-28, 2013-08-26, 2013-10-03, 2013-10-31, 2016-04-07, 2016-06-10, 2016-06-11, 2016-06-12, 2016-06-30, 2016-09-28, 2017-03-26, 2017-04-02, 2017-04-15, 2017-04-18, 2017-04-21, 2017-04-30, 2017-05-12, 2017-05-15, 2017-05-16, 2017-05-22, 2017-06-07, 2017-06-21, 2017-06-24, 2017-07-04, 2017-07-05, 2017-07-22, 2017-08-19, 2017-08-27, 2017-08-31, 2017-09-11, 2017-09-13, 2017-09-19, 2017-09-20, 2017-09-21, 2017-09-22, 2017-09-27, 2017-10-03, 2017-10-06, 2017-10-18, 2017-10-23, 2017-10-31, 2017-11-01, 2017-11-11, 2017-11-15, 2017-11-17, 2017-11-22, 2017-11-28, 2017-12-11, 2018-02-09, 2018-02-26, 2018-03-03, 2018-03-10, 2018-03-12, 2018-03-16, 2018-03-20, 2018
Quercus phellos L. - Willow Oak
Specimen count: 37; collection dates: 1879-09-00, 1879-09-15, 1888-00-00, 1888-09-02, 1888-09-22, 1889-09-02, 1896-09-26, 1922-10-28, 1925-09-17, 1945-08-18, 1993-06-15, 2013-08-27, 2013-10-03, 2015-05-06, 2016-09-25, 2016-10-01, 2017-05-04, 2017-05-07, 2017-07-06, 2017-09-20, 2017-10-01, 2017-10-05, 2018-03-05, 2018-05-07, 2018-05-13, 2018-05-24, 2018-06-05
Quercus prinoides Willd. - Dwarf Chinkapin Oak
Specimen count: 26; collection dates: 1887-06-05, 1892-08-00, 1892-10-08, 1899-05-21, 1902-05-21, 1902-10-18, 1908-09-30, 1924-11-24, 1929-08-02, 1930-06-01, 1934-08-29, 1937-05-20, 1937-10-02, 1939-09-13, 2002-10-18, 2016-07-03, 2016-09-25
Quercus robur L. - English Oak
Specimen count: 18; collection dates: 1898-10-02, 1898-12-03, 1909-08-05, 1941-08-01, 1986-09-27, 1987-09-27, 2006-06-06, 2012-08-26, 2016-06-26, 2017-09-20, 2017-09-26, 2017-09-27
This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].
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