Asteraceae NEBC: 01053492 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Paxton: Paxton F. C. Seymour 1948-5-31
GH: 01003514 Artemisia abrotanum Linnaeus USA: Wisconsin Roadside along route #96, near Riverside San... F. C. Seymour 10436 1948-10-4
Brassicaceae GH: 00992199 Alliaria petiolata (M. Bieberstein) Cavara & Grande USA: District of Columbia Washington: [data not captured] F. C. Seymour 10.46 1948-6-7
GH: 00992938 Arabidopsis thaliana (Linnaeus) Heynhold USA: Maryland bank of Potomac River, Knoxville F. C. Seymour 10,057 1948-6-14
GH: 00983098 Cardamine concatenata (Michaux) O. Schwarz USA: Wisconsin [data not captured] F. C. Seymour 10012 1948-5-12
Caprifoliaceae GH: 02038729 Lonicera japonica Thunberg USA: Maryland in region, Kensington F. C. Seymour 10,042 1948-5-31
Caryophyllaceae GH: 01622435 Stellaria longifolia Muhlenberg ex Willdenow USA: Maryland Kensington F. C. Seymour 10,033 1948-5-31
Cupressaceae GH: 02105200 Juniperus horizontalis Moench USA: Wisconsin [data not captured] F. C. Seymour 10412 1948-9-20
Cyperaceae GH: 02371622 Carex sparganioides Muhlenberg ex Willdenow USA: Wisconsin [data not captured] F. C. Seymour 10073 1948-7-6
GH: 01775801 Carex squarrosa Linnaeus USA: Maryland [data not captured] F. C. Seymour 10031 1948-5-31
Geraniaceae GH: 01864116 Geranium carolinianum Linnaeus USA: Maryland bank of Potomac River, Knoxville F. C. Seymour 10,058 1948-6-14
Haloragaceae NEBC: 01017967 Myriophyllum humile (Rafinesque) Morong USA: Massachusetts New Braintree: New Braintree F. C. Seymour 24214 1948-8-15
Juncaceae GH: 02102479 Juncus dudleyi Wiegand USA: Wisconsin [data not captured] F. C. Seymour 10,123 1948-7-26
Lamiaceae GH: 02502535 Monarda punctata villicaulis (Pennell) Shinners USA: Wisconsin near Fox R. T13N, R9E, sect. 9 Ft. Winnebago F. C. Seymour 10327 1948-9-8
Orobanchaceae GH: 01879835 Conopholis americana (Linnaeus) Wallroth USA: Maryland Kensington F. C. Seymour 1948-5-31
Plantaginaceae GH: 00466524 Callitriche deflexa austinii (Engelmann) Hegelmaier USA: Ohio Oberlin. quadrangle formed by Main, Professo... F. C. Seymour 10059 1948-6-19
GH: 01147944 Callitriche terrestris Rafinesque USA: Ohio Oberlin F. C. Seymour 1948-6-19
Polygonaceae GH: 02360763 Polygonum erectum Linnaeus USA: Wisconsin [data not captured] F. C. Seymour 10172 1948-8-2
Potamogetonaceae GH: 01564375 Potamogeton diversifolius Rafinesque USA: Maryland Patuxent Wild Life Refuge Laurel F. C. Seymour 10,052 1948-6-11
Rubiaceae GH: 02359029 Galium aparine Linnaeus USA: Maryland [data not captured] F. C. Seymour 10,019 1948-5-26
GH: 02359473 Galium boreale Linnaeus USA: Wisconsin [data not captured] F. C. Seymour 10,162 1948-8-2
GH: 02359837 Galium concinnum Torrey & A. Gray USA: Wisconsin [data not captured] F. C. Seymour 10,094 1948-7-13