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Pennsylvania State University Herbarium
PAC	Prunella vulgaris L. PAC0032766Horace W. Witman   14591950-09-16 United States, Maryland, Cecil, 3 miles W of Cecilton, 39.409161 -75.923546 Full Record Details
PAC	Prunella vulgaris L. PAC0032767Walter F. Westerfeld   29521951-08-05 United States, Maryland, Allegany, 2 miles SE of Lonaconing, 39.545421 -78.953713 Full Record Details
PAC	Pycnanthemum flexuosum (Walter) Britton, Sterns & Poggenb. PAC0032909Horace W. Witman   20331952-07-07 United States, Maryland, Cecil, 1 mile N of Elkton, 39.620815 -75.83698 Full Record Details
PAC	Pycnanthemum tenuifolium Schrad. PAC0032911S. J. Lombardo   36151971-07-18 United States, Maryland, Cecil, 1/2 mile below Conowingo Dam, Susquehanna River, 39.652075 -76.169639 Full Record Details
PAC	Pycnanthemum tenuifolium Schrad. PAC0032912Horace W. Witman   9681950-06-23 United States, Maryland, Cecil, 2 miles W of Calvert, 39.703288 -76.019094 Full Record Details
PAC	Castanea pumila (L.) Mill. PAC0015192M. Burch   35611971-07-05 United States, Maryland, Baltimore, Prettyboy Reservoir, intersection of Beckleysville Road and Kidds Schoolhouse Road, 39.659709 -76.75143 Full Record Details
PAC	Fagus grandifolia Ehrh. PAC0015276Walter F. Westerfeld   29811951-08-05 United States, Maryland, Allegany, 2 miles SE of Lonaconing, 39.545421 -78.953713 Full Record Details
PAC	Fagus grandifolia Ehrh. PAC0015277D. R. Windler   35831971-07-14 United States, Maryland, Baltimore, W end of Towson State College campus, 39.39321 -76.611494 Full Record Details
PAC	Fagus grandifolia Ehrh. PAC0015278Henry H. Chisman   s.n.1939-10-07 United States, Maryland, Frederick, Thurmont, 39.623709 -77.41082 Full Record Details
PAC	Podophyllum peltatum L. PAC0014407D. R. Windler   38671972-06-04 United States, Maryland, Baltimore, Harford Road Bridge over Gunpower Falls, 39.422033 -76.502272 Full Record Details
PAC	Podophyllum peltatum L. PAC0014408Horace W. Witman   19441952-05-03 United States, Maryland, Cecil, 3 miles W of Cecilton, 39.409161 -75.923546 Full Record Details
PAC	Gaultheria procumbens L. PAC0014481Mary Jones Fisher   761938-10-01 United States, Maryland, Frederick, 1.5 miles W of Thurmont, Hunting Creek, 39.627312 -77.444964 Full Record Details
PAC	Sanguinaria canadensis L. PAC0014539Walter F. Westerfeld   12751944-04-30 United States, Maryland, Allegany, Cresaptown, 39.592867 -78.833354 Full Record Details
PAC	Sanguinaria canadensis L. PAC0014540Flora S. Fender   12591936-04-11 United States, Maryland, Kent, 0.5 mile E of Betterton, 39.365315 -76.052666 Full Record Details
PAC	Eragrostis capillaris (L.) Nees PAC0014796Elizabeth C. Earle   38531943-09-25 United States, Maryland, Talbot, 1.75 miles SSW of Unionville, 38.79001 -76.152127 Full Record Details
PAC	Eragrostis cilianensis (All.) Vignolo ex Janch. PAC0014799Elizabeth C. Earle   38501943-09-25 United States, Maryland, Talbot, 1 3/4 miles SSW of Unionville, 38.79001 -76.152127 Full Record Details
PAC	Eragrostis cilianensis (All.) Vignolo ex Janch. PAC0014800D. R. Windler   36991971-08-08 United States, Maryland, Washington, 2 miles W of Hancock, 39.700296 -78.22084 Full Record Details
PAC	Eragrostis megastachya (Koel.) Link PAC0014805Walter F. Westerfeld   115321954-08-14 United States, Maryland, Allegany, Cumberland, 39.652865 -78.762518 Full Record Details
PAC	Eragrostis poaeoides P.Beauv. PAC0014809S. J. Lombardo   36191971-07-18 United States, Maryland, Cecil, 1/2 mile S of Conowingo Dam, railroad parallel to Susquehanna River, 39.652075 -76.169639 Full Record Details
PAC	Eragrostis spectabilis (Pursh) Steud. PAC0014812D. R. Windler   37311971-08-15 United States, Maryland, Baltimore, Pretty Boy Reservoir Dam, 39.619434 -76.707085 Full Record Details
PAC	Dichanthelium clandestinum (L.) Gould PAC0014915Rodney H. True   5671939-08-03 United States, Maryland, Prince George's, 1 mile S of Glenn Dale, Bull Station, 38.972586 -76.802363 Full Record Details
PAC	Dichanthelium clandestinum (L.) Gould PAC0014916Elizabeth C. Earle   53071966-07-02 United States, Maryland, Talbot, 2 miles W of Easton, 38.774277 -76.11352 Full Record Details
PAC	Dichanthelium latifolium (L.) Harvill PAC0014922D. Anderson   35141971-06-21 United States, Maryland, Baltimore, 1 mile N of junction of Nicodemus and Ivy Mill Roads, off Ivy Mill Road, Liberty Reservoir Area, 39.461123 -76.873495 Full Record Details
PAC	Dichanthelium polyanthes (Schult.) Mohlenbr. PAC0015004Elizabeth C. Earle   34331941-07-05 United States, Maryland, Talbot, 4.5 miles WNW of Easton, 38.799222 -76.153638 Full Record Details
PAC	Dichanthelium polyanthes (Schult.) Mohlenbr. PAC0015005Horace W. Witman   17701951-08-22 United States, Maryland, Cecil, 1 mile N of Elkton, 39.621181 -75.835626 Full Record Details
PAC	Dichanthelium polyanthes (Schult.) Mohlenbr. PAC0015006Elizabeth C. Earle   37951943-06-21 United States, Maryland, Talbot, 1.75 miles SSW of Unionville, 38.79001 -76.152127 Full Record Details
PAC	Quercus alba L. PAC0015343Elizabeth C. Earle   54271968-09-23 United States, Maryland, Talbot, 5 1/2 miles ENE of Easton, Kings Creek Road, 38.792131 -75.97546 Full Record Details
PAC	Quercus alba L. PAC0015344Witmer Stone   140211911-08-08 United States, Maryland, Garrett, Jennings, 4 miles S of Grantsville, 39.646474 -79.182532 Full Record Details
PAC	Quercus alba L. PAC0015345Walter F. Westerfeld   29831951-08-05 United States, Maryland, Allegany, 2 miles SE of Lonaconing, 39.545421 -78.953713 Full Record Details
PAC	Dichanthelium scoparium (Lam.) Gould PAC0015016Elizabeth C. Earle   53091966-07-04 United States, Maryland, Talbot, 2 miles W of Easton, 38.774277 -76.11352 Full Record Details
PAC	Quercus bicolor Willd. PAC0015911Horace W. Witman   8291950-05-27 United States, Maryland, Cecil, 1 mile E of Calvert, 39.700089 -75.963274 Full Record Details
PAC	Quercus falcata Michx. PAC0015939Wayne Manning   s.n.1964-09-26 United States, Maryland, Anne Arundel, N of Churchton, S of Shady Side, Chesapeake Bay, 38.812896 -76.501537 Full Record Details
PAC	Quercus falcata Michx. PAC0015940Horace W. Witman   13421950-08-31 United States, Maryland, Cecil, 3 miles W of Cecilton, 39.409161 -75.923546 Full Record Details
PAC	Quercus falcata Michx. PAC0015941J. P. Kelly   s.n.1937-08-20 United States, Maryland, Harford, Bush River, 39.4333 -76.2333 Full Record Details
PAC	Quercus falcata Michx. PAC0015942Unknown   s.n.1939-08-20 United States, Maryland, Worcester, Pocomoke Swamp, 38.037345 -75.639927 Full Record Details
PAC	Quercus falcata Michx. PAC0015943D. R. Windler   36331971-07-25 United States, Maryland, Saint Mary's, Scotland Neck, 38.089015 -76.361893 Full Record Details
PAC	Quercus ilicifolia Wangenh. PAC0015982D. R. Windler   38991972-06-11 United States, Maryland, Frederick, Gambrill State Park, 39.473611 -77.492835 Full Record Details
PAC	Quercus lyrata Walter PAC0016025A. V. Smith   s.n.1937-09-19 United States, Maryland, Wicomico, Powellville, Pocomole Swamp, 38.31553 -75.354529 Full Record Details
PAC	Quercus marilandica Münchh. PAC0016042Horace W. Witman   9161950-06-17 United States, Maryland, Cecil, 5 miles W of Cecilton, 39.399962 -75.960493 Full Record Details
PAC	Quercus marilandica Münchh. PAC0016043Elizabeth C. Earle   51731964-06-26 United States, Maryland, Talbot, 1 1/2 miles SE of Bruceville, Choptank River, 38.650842 -75.973768 Full Record Details
PAC	Quercus marilandica Münchh. PAC0016044D. R. Windler   32271970-08-17 United States, Maryland, Baltimore, Soldiers Delight, 39.417877 -76.832662 Full Record Details
PAC	Quercus michauxii Nutt. PAC0016060Elizabeth C. Earle   54261968-09-22 United States, Maryland, Talbot, 4 1/4 miles NNE of Easton, 38.831201 -76.046088 Full Record Details
PAC	Quercus muehlenbergii Engelm. PAC0016072Elizabeth C. Earle   43551947-07-06 United States, Maryland, Talbot, 3.5 miles WNW of Longwoods, 38.877572 -76.13903 Full Record Details
PAC	Quercus nigra L. PAC0016097Unknown   s.n.1939-08-20 United States, Maryland, Worcester, Pocomoke Swamp, 38.037345 -75.639927 Full Record Details
PAC	Quercus nigra L. PAC0016098Thomas C. Porter   s.n.1863-09-00 United States, Maryland, Wicomico, Salisbury, 38.360674 -75.599369 Full Record Details
PAC	Quercus palustris Münchh. PAC0016121Horace W. Witman   3641951-06-30 United States, Maryland, Cecil, 3 miles E of Rising Sun, 39.703948 -76.006554 Full Record Details
PAC	Quercus phellos L. PAC0016127J. P. Kelly   s.n.1937-08-20 United States, Maryland, Harford, Bush River, 39.4333 -76.2333 Full Record Details
PAC	Quercus phellos L. PAC0016128Wayne Manning   s.n.1964-09-26 United States, Maryland, Anne Arundel, N of Churchton, S of Shady Side, Chesapeake Bay, 38.812896 -76.501537 Full Record Details
PAC	Quercus prinoides Willd. PAC0016141M. Burch   35651971-07-05 United States, Maryland, Baltimore, Beckleysville Road, 1/2 mile S of intersection with Kidds Schoolhouse Road, 39.652366 -76.753372 Full Record Details
PAC	Quercus prinus L. PAC0016149Walter F. Westerfeld   29631951-08-05 United States, Maryland, Allegany, 2 miles SE of Lonaconing, 39.545421 -78.953713 Full Record Details
PAC	Quercus prinus L. PAC0016150Horace W. Witman   9211950-06-17 United States, Maryland, Cecil, 5 miles W of Cecilton, 39.399962 -75.960493 Full Record Details
PAC	Quercus prinus L. PAC0016151W. L. Abbott   s.n.1923-09-10 United States, Maryland, Cecil, Elk Neck, 39.483914 -75.984756 Full Record Details
PAC	Quercus rubra L. PAC0016173Walter F. Westerfeld   29711951-08-05 United States, Maryland, Allegany, 2 miles SE of Lonaconing, 39.545421 -78.953713 Full Record Details
PAC	Quercus rubra L. PAC0016174Mary Jones Fisher   1121938-10-02 United States, Maryland, Carroll, 1 mile NE of Middleburg, Big Pipe Creek, 39.605668 -77.198574 Full Record Details
PAC	Quercus stellata Wangenh. PAC0016205Horace W. Witman   18591951-09-01 United States, Maryland, Cecil, 1 mile E of Fair Hill, 39.702332 -75.849156 Full Record Details
PAC	Quercus stellata Wangenh. PAC0016206Elizabeth C. Earle   32801941-05-18 United States, Maryland, Talbot, 4 miles WNW of Easton, 38.796454 -76.145049 Full Record Details
PAC	Quercus stellata Wangenh. PAC0016207D. R. Windler   32281970-08-17 United States, Maryland, Baltimore, Soldiers Delight, 39.417877 -76.832662 Full Record Details
PAC	Quercus velutina Lam. PAC0016238Horace W. Witman   3491949-09-14 United States, Maryland, Cecil, Blake, 39.715666 -75.916609 Full Record Details
PAC	Quercus velutina Lam. PAC0016239Elizabeth C. Earle   38701943-09-26 United States, Maryland, Talbot, 2 miles SW of Longwood, Miles River, 38.838736 -76.109623 Full Record Details
PAC	Distichlis spicata (L.) Greene PAC0016329Elizabeth C. Earle   54121967-09-18 United States, Maryland, Talbot, Trappe Landing, 38.655157 -76.085241 Full Record Details
PAC	Echinochloa crusgalli PAC0016454D. R. Windler   32441970-08-24 United States, Maryland, Baltimore, N of Towson, Cromwell Bridge Road and Glen Arm Road, 39.425385 -76.52941 Full Record Details
PAC	Echinochloa pungens Rydb. PAC0016456Elizabeth C. Earle   39351944-09-24 United States, Maryland, Talbot, 1 1/2 miles SSE of Unionville, 38.793275 -76.131624 Full Record Details
PAC	Echinochloa walteri (Pursh) A. Heller PAC0016458Elizabeth C. Earle   51511963-09-30 United States, Maryland, Talbot, 2 3/4 miles E of Cordova, Tuckahoe Creek, Coveys Landing, 38.872918 -75.944456 Full Record Details
PAC	Eleusine indica (L.) Gaertn. PAC0016490Walter F. Westerfeld   115271954-08-14 United States, Maryland, Allegany, Cumberland, 39.652865 -78.762518 Full Record Details
PAC	Eleusine indica (L.) Gaertn. PAC0016491Horace W. Witman   21231952-06-19 United States, Maryland, Cecil, 3 miles E of Rising Sun, 39.703948 -76.006554 Full Record Details
PAC	Eleusine indica (L.) Gaertn. PAC0016492D. R. Windler   37031971-08-08 United States, Maryland, Washington, 2 miles W of Hancock, 39.700296 -78.22084 Full Record Details
PAC	Salvia lyrata L. PAC0032936Elizabeth C. Earle   51621964-05-23 United States, Maryland, Talbot, 6 miles ENE of Easton, Beaver Dam Branch, 38.811069 -75.970936 Full Record Details
PAC	Salvia lyrata L. PAC0032937J. E. Benedict, Jr.   s.n.1922-05-23 United States, Maryland, Montgomery, Linden, 39.008165 -77.049144 Full Record Details
PAC	Quamoclit coccinea (L.) Moench PAC0032961Walter F. Westerfeld   s.n.1949-09-05 United States, Maryland, Worcester, Berlin, Eastern Shore, 38.322615 -75.217689 Full Record Details
PAC	Ipomoea hederacea Jacq. PAC0032967Walter F. Westerfeld   s.n.1945-08-23 United States, Maryland, Allegany, Cumberland, 39.652865 -78.762518 Full Record Details
PAC	Ipomoea purpurea (L.) Roth PAC0032968Walter F. Westerfeld   20701945-08-23 United States, Maryland, Allegany, Cumberland, 39.652865 -78.762518 Full Record Details
PAC	Ipomoea pandurata (L.) G. Mey. PAC0032969Walter F. Westerfeld   s.n.1943-07-25 United States, Maryland, Allegany, Cumberland, 39.652865 -78.762518 Full Record Details
PAC	Elymus hystrix L. PAC0016592D. R. Windler   35901971-07-13 United States, Maryland, Baltimore, Loch Raven Reservoir Preserve, S of small dam, 39.423423 -76.540209 Full Record Details
PAC	Elymus trachycaulus (Link) Gould ex Shinners PAC0016735Elizabeth C. Earle   39801944-10-01 United States, Maryland, Talbot, 3/4 mile SW of Easton, Papermill Dam, 38.765657 -76.084304 Full Record Details
PAC	Elymus trachycaulus (Link) Gould ex Shinners PAC0016736D. R. Windler   30871970-06-30 United States, Maryland, Baltimore, NE of Towson, Cromwell Bridge Road and Glen Arm Road, 39.425385 -76.52941 Full Record Details
PAC	Elymus virginicus L. PAC0016819D. R. Windler   36461971-07-25 United States, Maryland, St. Mary's, Scotland Neck, 38.089015 -76.361893 Full Record Details
PAC	Elymus virginicus L. PAC0016820Elizabeth C. Earle   39781944-09-28 United States, Maryland, Talbot, 1/4 mile WSW of Easton Point, 38.767196 -76.098107 Full Record Details
PAC	Xyris difformis Chapm. PAC0017074R. Kral   22,6631964-09-12 United States, Maryland, Anne Arundel, 12 miles N of Upper marlboro, 38.993112 -76.707119 Full Record Details
PAC	Eriocaulon compressum Lam. PAC0017133Horace W. Witman    United States, Maryland, Cecil, detailed locality information protected Full Record Details
PAC	Eriocaulon parkeri B.L. Rob. PAC0017144J. P. Kelly    United States, Maryland, Harford, detailed locality information protected Full Record Details
PAC	Eriocaulon parkeri B.L. Rob. PAC0017145Horace W. Witman    United States, Maryland, Cecil, detailed locality information protected Full Record Details
PAC	Commelina communis L. PAC0017214J. P. Kelly   s.n.1937-08-20 United States, Maryland, Harford, Bush, 39.47372 -76.264123 Full Record Details
PAC	Commelina communis L. PAC0017215Walter F. Westerfeld   20771945-09-15 United States, Maryland, Allegany, 1 mile W of Cumberland, 39.646306 -78.778735 Full Record Details
PAC	Commelina communis L. PAC0017216Horace W. Witman   14211950-09-16 United States, Maryland, Cecil, 3 miles W of Cecilton, 39.409161 -75.923546 Full Record Details
PAC	Commelina communis L. PAC0017217Walter F. Westerfeld   20771945-09-29 United States, Maryland, Allegany, 2 miles W of Cumberland, 39.640699 -78.798454 Full Record Details
PAC	Commelina communis L. PAC0017218Walter F. Westerfeld   s.n.1945-09-15 United States, Maryland, Allegany, 1 mile W of Cumberland, 39.646306 -78.778735 Full Record Details
PAC	Commelina communis L. PAC0017219Walter F. Westerfeld   53101952-07-25 United States, Maryland, Allegany, Cumberland, 39.652865 -78.762518 Full Record Details
PAC	Commelina communis L. PAC0017220D. R. Windler   32391970-08-24 United States, Maryland, Baltimore, N of Towson, Cromwell Bridge Road and Glen Arm Road, 39.425385 -76.52941 Full Record Details
PAC	Tradescantia virginiana L. PAC0017243Walter F. Westerfeld   42701952-05-31 United States, Maryland, Allegany, Cumberland, 39.652865 -78.762518 Full Record Details
PAC	Heteranthera reniformis Ruiz & Pav. PAC0017299Horace W. Witman   23061952-08-25 United States, Maryland, Cecil, 3 miles S of Elkton, 39.556515 -75.8333 Full Record Details
PAC	Heteranthera reniformis Ruiz & Pav. PAC0017300Elizabeth C. Earle   47971952-08-03 United States, Maryland, Talbot, 1/2 mile SSW of Longwoods, 38.851474 -76.082394 Full Record Details
PAC	Pontederia cordata L. PAC0017315J. P. Kelly   s.n.1937-08-20 United States, Maryland, Harford, Bush River, 39.4333 -76.2333 Full Record Details
PAC	Teucrium canadense L. PAC0033163John R. Kunsman   12901977-07-23 United States, Maryland, Allegany, 0.6 mile NNE of junction of Route 40 and Alternate Route 40, Fifteenmile Creek, 39.682368 -78.457628, 229m Full Record Details
PAC	Teucrium canadense L. PAC0033165D. R. Windler   36101971-07-18 United States, Maryland, Cecil, edge of Conowingo, 39.677886 -76.159119 Full Record Details
PAC	Teucrium canadense L. PAC0033166Walter F. Westerfeld   53261952-07-25 United States, Maryland, Allegany, 1 mile S of Corriganville, 39.67759 -78.792038 Full Record Details
PAC	Juncus acuminatus Michx. PAC0017850Elizabeth C. Earle   39011944-06-18 United States, Maryland, Talbot, 1 mile SSE of Unionville, 38.799789 -76.132697 Full Record Details
PAC	Juncus acuminatus Michx. PAC0017851Witmer Stone   139431911-08-12 United States, Maryland, Garrett, 4 miles SW of Bittinger, The Glades, 39.564607 -79.282414, 823m Full Record Details
PAC	Juncus biflorus Elliot PAC0017862Elizabeth C. Earle   34171941-07-05 United States, Maryland, Talbot, 4 1/4 miles WNW of Easton, 38.797838 -76.149343 Full Record Details
PAC	Physalis heterophylla Nees PAC0017871Elizabeth C. Earle   38001943-06-21 United States, Maryland, Talbot, 1.75 miles SSW of Unionville, 38.79001 -76.152127 Full Record Details
PAC	Juncus debilis A. Gray PAC0017877Elizabeth C. Earle   43661947-09-01 United States, Maryland, Talbot, 3/4 mile SSW of Unionville, 38.803404 -76.145007 Full Record Details

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