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Search for collectorid:[2140] and year collected:[1900]
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FH: 00454294 Micarea prasina Fries USA: Maryland Takoma Park: [no additional data] T. A. Williams 1900-4-2
FH: 00454293 Micarea prasina Fries USA: Maryland Takoma Park: [no additional data] T. A. Williams 1900-4-2
FH: 00468640 Xanthoparmelia stenophylla (Acharius) Ahti & D. Hawksworth USA: Maryland [data not captured] T. A. Williams 1900
FH: 00468667 Xanthoparmelia stenophylla (Acharius) Ahti & D. Hawksworth USA: Maryland [data not captured] T. A. Williams 1900
Asclepiadaceae
GH: 01046693 Asclepias viridiflora Rafinesque USA: Maryland Upper Marlboro T. A. Williams [data not captured] 1900-7-15
Ericaceae
A: 01591515 Eubotrys racemosa (Linnaeus) Nuttall USA: Maryland Takoma Park: [no additional data] T. A. Williams 1900-5-22
Lamiaceae
GH: 01696178 Salvia lyrata Linnaeus USA: Maryland Takoma Park: [no additional data] T. A. Williams 1900-5-23
Opegraphaceae
FH: 00467202 Opegrapha vulgata (Acharius) Acharius USA: District of Columbia [data not captured] T. A. Williams 1900-4-2
Parmeliaceae
FH: 00468667 Parmelia stenophylla imbricata (A. Massalongo) Lettau USA: Maryland [data not captured] T. A. Williams 1900
Plantaginaceae
GH: 01998000 Chelone glabra Linnaeus USA: Maryland Takoma Park: [data not captured] T. A. Williams 1900-10-8
Poaceae
GH: 01814171 Erianthus contortus Elliott USA: Virginia Virginia Beach (Virginia): [data not capture... T. A. Williams 3112 1900-9-22
Pucciniaceae
FH: 01004930 Uromyces astragali Saccardo USA: New Mexico Las Vegas: [no additional data] T. A. Williams 1900-6-2
Rosaceae
A: 01724453 Prunus serotina Ehrhart USA: Maryland Upper Marlboro T. A. Williams 1900-7-15
Rubiaceae
GH: 02139146 Galium pilosum puncticulosum (Michaux) Torr. & A. Gray USA: Maryland Takoma Park: [data not captured] T. A. Williams 1900-8-1
Trapeliaceae
FH: 00454293 Placynthiella icmalea (Acharius) Coppins & P. James USA: Maryland Takoma Park: [no additional data] T. A. Williams 1900-4-2
Vitaceae
A: 01578160 Vitis aestivalis Michaux USA: Maryland Takoma Park: [no additional data] T. A. Williams 1900-9-9