CAS - California Academy of Sciences (CAS-BOT-BC)

CAS, DS. Worldwide, nearly 1.9 million specimens (27% from California); more than 95% vascular seed plants; the remainder are ferns and a growing collection of bryophytes. Emphasis is on California, North America, Latin America (especially western and southern Mexico and the Galapagos) and Asia (especially China). Vascular plant families and genera that are particularly well represented include Acanthaceae, Brassicaceae, Carex, Eriogonum, Hydrophyllaceae, Lupinus, Asteraceae (particularly Madinae), Malvaceae, Melastomataceae, Onagraceae, Penstemon, Poaceae, Polemoniaceae and Quercus. The herbarium also contains the largest collection of ornamental plants in California.
Contact: Debra Trock, Senior Collections Manager (
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 10 September 2019
IPT / DwC-A Source:
Digital Metadata: EML File
Collection Statistics
  • 551,255 specimen records
  • 107,081 (19%) georeferenced
  • 15,721 (3%) with images
  • 519,548 (94%) identified to species
  • 376 families
  • 4,717 genera
  • 29,337 species
  • 33,689 total taxa (including subsp. and var.)
Extra Statistics