Academy of Natural Sciences of Drexel University (PH)
The herbarium of the Academy of Natural Sciences (PH) is the oldest institutional herbarium in the United States. It is a national resource for material from 1750-1850. The diatom herbarium (ANSP) is managed separately.
Curator: Tatyana Livshultz, tl534@drexel.edu
Collection Manager: Chelsea Smith, ans_ph_herbarium@drexel.edu