Yale University Herbarium (YPM-YU)

Contacts: Patrick W. Sweeney, patrick.sweeney@yale.edu
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 2 June 2017
Digital Metadata: EML File
Collection Statistics
  • 11,835 specimen records
  • 9,619 (81%) georeferenced
  • 11,791 (100%) with images (12,123 total images)
  • 10,213 (86%) identified to species
  • 212 families
  • 668 genera
  • 2,774 species
  • 2,972 total taxa (including subsp. and var.)
Extra Statistics
Taxon Distribution
Taxon Distribution
  • Arthrodesmus (4)
  • Calocylindrus (2)
  • Cosmarium (39)
  • Cosmocladium (2)
  • Desmidium (3)
  • Euastrum (9)
  • Gymnozyga (1)
  • Hyalotheca (3)
  • Micrasterias (19)
  • Onychonema (2)
  • Pleurotaenium (8)
  • Sphaerozosma (2)
  • Spondylosium (1)
  • Staurastrum (27)
  • Tetmemorus (3)
  • Xanthidium (7)