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The 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.
Collection Manager: Chelsea Smith, crs344@drexel.edu
Homepage: http://www.ansp.org/research/systematics-evolution/collections/botany/
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 3 April 2024
IPT / DwC-A Source:
Digital Metadata: EML File
Usage Rights: CC BY (Attribution)
Cite this collection:
The Academy of Natural Sciences of Drexel University. Occurrence dataset (ID: d71cc7dc-d5f9-488b-888f-530a04263062) accessed via the PteridoPortal Portal, /portal, 2024-04-19).
Collection Statistics
  • 61,800 specimen records
  • 32,987 (53%) georeferenced
  • 59,724 (97%) with images (60,516 total images)
  • 49,423 (80%) identified to species
  • 52 families
  • 308 genera
  • 2,351 species
  • 2,483 total taxa (including subsp. and var.)
Extra Statistics
Taxon Distribution
Taxon Distribution
  • Callistopteris (8)
  • Crepidomanes (25)
  • Crepidophyllum (6)
  • Didymoglossum (32)
  • Feea (6)
  • Gonocormus (10)
  • Hymenophyllum (350)
  • Lecanolepis (21)
  • Macroglena (16)
  • Mecodium (113)
  • Meringium (29)
  • Microgonium (2)
  • Microtrichomanes (9)
  • Nesopteris (4)
  • Polyphlebium (9)
  • Reediella (14)
  • Selenodesmium (40)
  • Sphaerocionium (43)
  • Trichomanes (338)
  • Vandenboschia (166)