HUDC
HUDC00003663
United States, Washington
HUDC
HUDC00003691 H. David Hammond 4073 1966-05-20
United States, Maryland, Frederick, Catoctin Mountain National Par, rt. 77, 39.633731 -77.451099
HUDC
HUDC00003701
United States, Washington
HUDC
HUDC00003702 Charles S. Parker 1072 1924-06-01
United States, North Carolina, Guilford, 4 miles North Guilford County, Poorfarm
HUDC
HUDC00003705 Charles S. Parker 1341 1925-06-00
United States, Maryland, Anne Arundel, 38.994157 -76.567597
HUDC
HUDC00003706 Joyce E. James 33 1964-05-03
United States, Maryland, Montgomery, Glen Echo (near Cabin John), 38.968999 -77.142479
HUDC
HUDC00003708 Charles S. Parker 163 1946-07-20
United States, District of Columbia, District of Columbia, Mayfair Mansions, 38.904142 -76.950591
HUDC
HUDC00003709 Charles S. Parker 1998 1927-05-11
United States, Maryland, Anne Arundel, Low ground above the swamp Old Forge Bridge, 38.994157 -76.567597
HUDC
HUDC00003710 Charles S. Parker 163 1946-07-20
United States, District of Columbia, District of Columbia, Mayfair Mansions, N.E., 38.904142 -76.950591
HUDC
HUDC00003711 H. David Hammond 2088 1964-08-06
United States, New York, Albany, About 2 streets N of Poplar St., 42.71863 -73.83411
HUDC
HUDC00003712 Charles S. Parker 1077 1924-06-01
United States, North Carolina, Guilford, East of Guilford Co. Courthouse Battle Grounds
HUDC
HUDC00003735 H. David Hammond 4676 1967-05-27
United States, Maryland, Allegany, Above scenic Route 40, north 15 mile creek; Green Ridge State Forest, 39.621481 -78.698902
HUDC
HUDC00003661
United States, Washington
HUDC
HUDC00003662
United States, Washington
HUDC
HUDC00003664
United States, Washington
HUDC
HUDC00003665
United States, Idaho
HUDC
HUDC00003666
United States, Washington
HUDC
HUDC00003667
United States, Idaho
HUDC
HUDC00003668
United States, Idaho
HUDC
HUDC00003669
United States, Washington
HUDC
HUDC00003670
United States, Washington
HUDC
HUDC00003671 F. Peck s.n.
Unknown, Unknown, Unknown
HUDC
HUDC00003672 F. Peck s.n.
Unknown, Unknown, Unknown
HUDC
HUDC00003688 Clarence M. Smith s.n.
United States, Virginia
HUDC
HUDC00003689
United States, Virginia
HUDC
HUDC00003690 H. David Hammond 4073 1966-05-20
United States, Maryland, Frederick, Catoctin National Park, Rt. 77, Blue Ridge Summit Quad, 39.633731 -77.451099
HUDC
HUDC00003692
United States, Massachusetts
HUDC
HUDC00003693 M. Jones s.n. 1924-05-00
United States, Maryland, Montgomery, 39.039831 -77.055256
HUDC
HUDC00003694 Joyce E. James 44 1964-05-03
United States, Maryland, Montgomery, Glen Echo near Cabin John, 38.975388 -77.158035
HUDC
HUDC00003695 Josephine Dickens 37 1964-05-03
United States, Maryland, Montgomery, 38.968999 -77.142479
HUDC
HUDC00003697
United States, Virginia
HUDC
HUDC00003698 H. David Hammond 3077 1964-10-11
United States, Maryland, Prince George's, "Suitland Bog," N. of Suitland Rd, NW of Suitland Parkway, 38.848724 -76.923862
HUDC
HUDC00003699
United States, Florida
HUDC
HUDC00003700
United States, Florida
HUDC
HUDC00003707 Charles S. Parker 1248 1925-05-07
United States, Maryland, Montgomery, Banks of Potomac River above Chain Bridge, 38.930111 -77.114423
HUDC
HUDC00003713 William H. Seaman s.n.
United States, District of Columbia, District of Columbia, near Washington, DC, 38.904774 -77.016291
HUDC
HUDC00003714 H. David Hammond 658a 1963-06-08
United States, Virginia, Rappahannock, Shenandoah National Park, Skyline W. at Haxel Erie Rd., 838m
HUDC
HUDC00003715
United States, Virginia
HUDC
HUDC00003716 H. David Hammond 3762 1965-08-31
United States, Maryland, Frederick, Catoctin Mt. National Park, Roadside bank (Md. 77), vic. Cunningham Falls Park parking area, Blue Ridge Summit Quad - MD-PA, 39.633731 -77.451099, 335m
HUDC
HUDC00003717 H. David Hammond 4086 1966-05-20
United States, Maryland, Frederick, Catoctin Mt. Park, RT. 77, Cunningham Falls, 39.631486 -77.471377, 366m
HUDC
HUDC00003718 H. David Hammond 4086 1966-05-20
United States, Maryland, Frederick, Catoctin Mt. Park, RT. 77, Cunningham Falls, 39.631486 -77.471377, 366m
HUDC
HUDC00003719 H. David Hammond 4675 1967-05-27
United States, Maryland, Allegany, Green Ridge State Forest, 39.643149 -78.454123
HUDC
HUDC00003720 H. David Hammond 4675a 1967-05-27
United States, Maryland, Allegany, Green Ridge State Forest, above scenic Rte. 40, 39.656366 -78.457557
HUDC
HUDC00003721 Charles S. Parker 835 1923-05-27
United States, Virginia, Arlington, Near Jeff Davis Highway, 15 miles south of Wash. D.C.
HUDC
HUDC00003722 Charles S. Parker 1071 1924-01-01
United States, North Carolina, Guilford, Banks of Little Buffalo Creek, 4 miles N of Guilford Co, Poor farm
HUDC
HUDC00003723 Unknown s.n.
Unknown, Unknown, Unknown
HUDC
HUDC00003724 Unknown s.n.
HUDC
HUDC00003725
United States, Kansas
HUDC
HUDC00003726
United States, North Carolina
HUDC
HUDC00003727 Charles S. Parker 1412 1925-04-26
United States, Virginia, Between rocks on the banks of Potomac between Chain and Key Bridges
HUDC
HUDC00003728
United States
HUDC
HUDC00003729
United States, Massachusetts
HUDC
HUDC00003730
United States, Massachusetts
HUDC
HUDC00003731
HUDC
HUDC00003732
United States, Washington
HUDC
HUDC00003733 Charles S. Parker 1365 1925-05-07
United States, Maryland, Montgomery, Chain Bridge, 38.929897 -77.114095
HUDC
HUDC00003734
United States, Washington
HUDC
HUDC00003736 H. David Hammond 4676 1967-05-27
United States, Maryland, Allegany, Green Ridge State Forest. Woods above scenic Route 40. South of 15 Mile Creek., 39.644206 -78.46511
HUDC
HUDC00003738
HUDC
HUDC00003739
United States, Virginia
HUDC
HUDC00002988
United States, Washington
HUDC
HUDC00002989 H. David Hammond 4334 1966-08-09
United States, Delaware, Sussex, Rehoboth Beach, along Lake Drive, 38.708528 -75.081035
HUDC
HUDC00002990
United States, Maine
HUDC
HUDC00002991 H. David Hammond 4334 1966-08-09
United States, Delaware, Sussex, Rehoboth Beach, along Lake Drive, 38.708474 -75.080992
HUDC
HUDC00003636 H. David Hammond 3726 1965-08-23
United States, Maryland, Anne Arundel, Java Farm (Smithsonian Institution) South River Quad, 38.886934 -76.540169
HUDC
HUDC00003637 Charles S. Parker 189
United States, District of Columbia, District of Columbia, Mayfair Mansions, 38.904142 -76.950591
HUDC
HUDC00003638 H. David Hammond 3503 1965-07-09
United States, District of Columbia, District of Columbia, Rabaut School Construction Site. N. Dakota Avenue and Peabody Street, N.W., 38.961037 -77.013257
HUDC
HUDC00003639 H. David Hammond 3578 1965-07-21
United States, District of Columbia, District of Columbia, Anaconstia River in North East Washington DC, 38.915584 -76.953325
HUDC
HUDC00003640 H. David Hammond 3578 1965-07-21
United States, District of Columbia, District of Columbia, South side of Baltimore Washington Parkway, west of Anacostia River, 38.909107 -76.950909
HUDC
HUDC00003641 H. David Hammond 2060 1964-07-24
United States, Maryland, Calvert, Scientists Cliff, 38.517622 -76.513287
HUDC
HUDC00003642
United States, Maine
HUDC
HUDC00003643 Mae Arlene Johnson s.n. 1927-08-11
United States, Connecticut, Tolland, Ellington
HUDC
HUDC00003644 Charles S. Parker 1617 1925-08-18
United States, Maryland, Anne Arundel, Near Hill's Bridge, 38.811145 -76.712301
HUDC
HUDC00003645
United States, North Carolina
HUDC
HUDC00003646
United States, North Carolina
HUDC
HUDC00003647
United States, Washington
HUDC
HUDC00003648
United States, Washington
HUDC
HUDC00004152
United States, Massachusetts
HUDC
HUDC00004153 Charles S. Parker 153 1946-07-03
United States, Maryland, Prince George's, Off Kenilworth Road, 38.380673 -75.512144
HUDC
HUDC00004154 Charles S. Parker 155 1946-07-03
United States, Maryland, Prince George's, Off Kenilworth Road., 38.380673 -75.512144
HUDC
HUDC00004155
United States, Massachusetts
HUDC
HUDC00004156 H. David Hammond 4273 1966-07-22
United States, Maryland, Prince George's, Greenbelt National Park, sunny clearing along power line path by stream, 38.980939 -76.898187
HUDC
HUDC00004157 H. David Hammond 2017 1964-07-11
United States, Delaware, Sussex, Fenwick Island, near Assawoman Bridge, 38.459101 -75.052149
HUDC
HUDC00002992
United States, Massachusetts
HUDC
HUDC00010366 Hugh O'Neill s.n. 1928-07-21
United States, District of Columbia, District of Columbia, Terra Cotta, 38.953722 -76.99831
HUDC
HUDC00010367 Peter Weigand 196 1971-06-01
United States, District of Columbia, District of Columbia, 38.904774 -77.016291
HUDC
HUDC00010368 Ivar Tidestrom 5861 1912-05-23
United States, District of Columbia, District of Columbia, Ravine
HUDC
HUDC00010369 Ivar Tidestrom 5861 1912-05-23
United States, District of Columbia, District of Columbia, Ravine, Washington, D.C.
HUDC
HUDC00010370 Theo Holm s.n. 1899-05-26
United States, District of Columbia, near High Island
HUDC
HUDC00010371 Sydney F. Blake s.n. 1933-05-14
United States, Maryland, Montgomery, Edge of woods near Plummer Island., 38.969555 -77.176369
HUDC
HUDC00010372 Sydney F. Blake 6900 1918-05-26
United States, Maryland, Montgomery, Vicinity of Cabin John., 38.975388 -77.158035
HUDC
HUDC00010373 Theo Holm s.n. 1913-06-15
United States, District of Columbia, District of Columbia, near Cherry Dale, 38.908277 -77.088399
HUDC
HUDC00010374 Theo Holm s.n. 1899-06-23
United States, District of Columbia, near High Island
HUDC
HUDC00010377 Hugh O'Neill s.n. 1928-05-28
United States, District of Columbia, District of Columbia, Chain Bridge, 38.930111 -77.114423
HUDC
HUDC00010378 Hugh O'Neill S.N. 1928-07-22
United States, District of Columbia, District of Columbia, Along Potomac, 38.878914 -77.045167