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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, 2024-04-25).
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
  • Coptidipteris (2)
  • Dennstaedtia (988)
  • Dicksonia (4)
  • Histiopteris (39)
  • Hypolepis (82)
  • Leptolepia (4)
  • Lonchitis (2)
  • Microlepia (103)
  • Monachosorum (11)
  • Nephrodium (1)
  • Paesia (18)
  • Pteridium (1209)
  • Pteris (1)
  • Ptilopteris (1)