Harvard University Herbaria & Libraries

Caprifoliaceae
GH: 02184116 Sambucus racemosa Linnaeus USA: Pennsylvania along Delaware River. 1/2 mile South of Poin... C. D. Fretz 1925-4-28
Papaveraceae
GH: 01738797 Corydalis flavula (Rafinesque) de Candolle USA: Pennsylvania Banks of the Delaware River, in Huntendon Co... C. D. Fretz 1925-4-28
Ranunculaceae
GH: 01710973 Clematis columbiana (Nuttall) Torrey & A. Gray USA: Pennsylvania 1/2 mile east of Point Pleasant C. D. Fretz 1925-4-28
GH: 01840284 Trollius laxus Salisbury USA: Pennsylvania 2 1/2 miles N. W. of Pleasant Valley, Spring... C. D. Fretz 1925-5-9
Saxifragaceae
GH: 01616029 Mitella diphylla Linnaeus USA: Pennsylvania 1/2 mile east of Point Pleasant C. D. Fretz 1925-4-28
Violaceae
GH: 02146364 Viola cucullata Aiton USA: Pennsylvania 2 1/2 miles, n.west Pleasant Valley, Springf... C. D. Fretz 1925-5-9
GH: 02210186 Viola sagittata ovata (Nuttall) Torrey & A. Gray USA: Pennsylvania 1/2 mile south of Sellersville C. D. Fretz 1925-5-14