California Department of Food and Agriculture (CDA)

Founded in 1921, the Botany Lab and Herbarium of the California Department of Food and Agriculture (Plant Pest Diagnostics Center) serves as the plant diagnostic and identification service for California, and is the repository for the state collection of noxious weed and agricultural plant specimens. Size of collection: 55,000 plant specimens. Notable collections include those of M. K. Bellue, T. C. Fuller, G. Douglas Barbe, G. F. Hrusa, D. G. Kelch, and G. L. Stout (plant disease collection, BPS). The CDFA Seed Herbarium has ca. 50,000 accessions in the Seed and Fruit Collection (CDA SFC). Notable collections include those of M. K. Bellue, B. Crampton, P. B. Kennedy, D. Baxter, B. M. Browning, D. Decker-Walters, and C. Dremann.

G. Fred Hrusa Senior Plant Taxonomist, Emeritus
Deborah J. Meyer, Curator and Senior Seed Botanist

Contact: Genevieve Walden (genevieve.walden@cdfa.ca.gov)
Collection Type: Preserved Specimens
Management: Live Data managed directly within data portal
Global Unique Identifier: f3fbf434-c09e-46fa-bc30-99138cd73a71
Live Data Download: Login for access
Digital Metadata: EML File
Collection Statistics
  • 33,385 specimen records
  • 22,599 (68%) georeferenced
  • 33,085 (99%) identified to species
  • 199 families
  • 1,315 genera
  • 4,553 species
  • 6,091 total taxa (including subsp. and var.)
Extra Statistics