Harvard University Herbaria & Libraries

Aceraceae
A: 01794996 Acer spicatum Lamarck USA: Pennsylvania Troxelville E. M. Gress 1929-5-24
Anacardiaceae
A: 01867783 Rhus glabra Linnaeus USA: Pennsylvania Dublin Mills E. M. Gress 1929-7-3
Apiaceae
GH: 00311103 Falcaria rivini Host USA: Pennsylvania Myers Farm, 4 mi S. of Mercersburg E. M. Gress 1922-9-2
GH: 00311103 Falcaria sioides Ascherson USA: Pennsylvania Myers Farm, 4 mi S. of Mercersburg E. M. Gress 1922-9-2
GH: 00311103 Falcaria vulgaris Bernhardi USA: Pennsylvania Myers Farm, 4 mi S. of Mercersburg E. M. Gress 1922-9-2
Asteraceae
GH: 01834760 Lactuca saligna Linnaeus USA: Pennsylvania [data not captured] E. M. Gress 1930-8-12
GH: 01834752 Lactuca saligna Linnaeus USA: Pennsylvania [data not captured] E. M. Gress 1930-8-12
Fabaceae
GH: 02344283 Trifolium resupinatum Linnaeus USA: Pennsylvania [data not captured] E. M. Gress 1932-5-7
Primulaceae
GH: 01942890 Dodecatheon amethystinum (Fassett) Fassett USA: Pennsylvania About 1 1/2 mi N of New Buffalo, along highw... E. M. Gress 1935-6-12