Harvard University Herbaria & Libraries

Betulaceae
GH: 02103562 Ostrya virginiana (Miller) K. Koch USA: Pennsylvania [data not captured] H. Wilkens 5532 1938-6-26
Cyperaceae
GH: 02367228 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: Pennsylvania [data not captured] H. Wilkens 5622 1938-8-7
Fabaceae
GH: 02133335 Phaseolus polystachius Michaux USA: Pennsylvania [data not captured] H. Wilkens 5646 1938-8-19
Lamiaceae
GH: 01596434 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Pennsylvania in Furnace Creek gap. Near Oley Furnace, 1.5... H. Wilkens 5623 1938-8-7
Limnanthaceae
GH: 01181192 Floerkea proserpinacoides Willdenow USA: Pennsylvania Along Allegheny Creek, south of Gibraltar H. Wilkens 5456 1938-4-27
Poaceae
GH: 01853076 Andropogon glomeratus (Walter) Britton, Sterns & Poggenburg USA: Maryland [data not captured] H. Wilkens 5709 1938-9-25
Polygonaceae
GH: 02362077 Persicaria longiseta (Bruijn) Kitagawa USA: Pennsylvania [data not captured] H. Wilkens 5692 1938-9-15
Potamogetonaceae
GH: 01572256 Potamogeton foliosus Rafinesque USA: Pennsylvania In Manatawny Creek, 1 mile southeast of Pine... H. Wilkens 5619 1938-8-7
Rosaceae
GH: 01725388 Prunus virginiana Linnaeus USA: Pennsylvania about 1 1/2 mile northeast of Baumstown H. Wilkens 5464 1938-5-4
Rubiaceae
GH: 02359415 Galium boreale Linnaeus USA: Pennsylvania [data not captured] H. Wilkens 5513 1938-6-14
Saxifragaceae
GH: 01733931 Heuchera americana brevipetala Rosend., Butters & Lakela USA: Pennsylvania Shillington H. Wilkens 5507 1938-6-9