Specimen of white poplar plant on an archival sheet. The plant specimen was discovered pressed in the leaves of a book in the personal library of John H. A. Bomberger, first President of Ursinus College.
John H. A. Bomberger
This image is made available courtesy of the Ursinus College Archives.
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plant specimen, Collegeville, Montgomery County, white poplar, silver poplar, silverleaf poplar