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
Collection Type: Preserved Specimens
Management: Live Data managed directly within data portal
Global Unique Identifier: 019a3280-a69f-4312-bb30-8556e270f1a5
Digital Metadata: EML File
Collection Statistics
  • 605,866 specimen records
  • 284,123 (47%) georeferenced
  • 595,862 (98%) with images (601,099 total images)
  • 559,652 (92%) identified to species
  • 443 families
  • 5,609 genera
  • 33,300 species
  • 36,090 total taxa (including subsp. and var.)
Extra Statistics
Taxon Distribution
Taxon Distribution
  • Acrostichum (103)
  • Adianthum (1)
  • Adiantopsis (45)
  • Adiantum (1775)
  • Allosorus (1)
  • Ananthacorus (3)
  • Anogramma (30)
  • Anopteris (15)
  • Antrophyum (63)
  • Argyrochosma (1)
  • Aspidotis (42)
  • Aspleniopsis (1)
  • Bommeria (50)
  • Ceratopteris (1)
  • Cheilanthes (1566)
  • Cheiloplecton (7)
  • Coniogramme (22)
  • Cosentinia (1)
  • Craspedodictyum (1)
  • Cryptogramma (317)
  • Doryopteris (84)
  • Grammitis (2)
  • Gymnogramma (30)
  • Gymnogramme (67)
  • Gymnopteris (4)
  • Hecistopteris (4)
  • Hemionitis (125)
  • Hypolepis (1)
  • Jamesonia (28)
  • Litobrochia (1)
  • Llavea (16)
  • Lomaria (1)
  • Mildella (16)
  • Monogramma (4)
  • Notholaena (564)
  • Ochropteris (1)
  • Onychium (59)
  • Pellaea (1183)
  • Pentagramma (1)
  • Pityrogramma (329)
  • Polytaenium (16)
  • Psilogramme (9)
  • Pteridanetium (11)
  • Pteridella (2)
  • Pteris (723)
  • Scoliosorus (2)
  • Syngramma (9)
  • Taenitis (24)
  • Trachypteris (1)
  • Trismeria (21)
  • Vaginularia (3)
  • Vittaria (195)