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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, 2024-04-22).
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
  • Ampelopteris (1)
  • Amphineuron (4)
  • Aspidium (7)
  • Ceterach (1)
  • Chingia (2)
  • Christella (58)
  • Coryphopteris (10)
  • Cyclosorus (44)
  • Dryopteris (16)
  • Glaphyropteris (2)
  • Goniopteris (41)
  • Gymnogramma (1)
  • Lastrea (24)
  • Leptogramma (2)
  • Macrothelypteris (2)
  • Meniscium (50)
  • Mesophlebion (3)
  • Metathelypteris (5)
  • Nephrodium (11)
  • Parathelypteris (6)
  • Phegopteris (1164)
  • Plesioneuron (1)
  • Pneumatopteris (13)
  • Pronephrium (33)
  • Pseudophegopteris (2)
  • Sphaerostephanos (34)
  • Stegnogramma (2)
  • Thelypteris (2231)