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University of California at Davis Herbarium (DAV)

University of California, Davis herbarium collections are worldwide, with emphasis on California, North America, and neotropics (especially Ecuador and Baja California); Quercus, Fagaceae, and Arctostaphylos, Ericaceae of New World; Euphorbiaceae; Poaceae; Clarkia (Onagraceae); Lycianthes and Lycopersicon (Solanaceae); Stephanomeria and tarweed genera (Asteraceae); Navarretia (Polemoniaceae); Allium (Alliaceae); Trifolium (Fabaceae);Prunus (Rosaceae); Central Valley of California vernal pool species; weedy and poisonous species of California and Mediterranean-climate regions; range plants of California; alpine flora of western North America. Size of collection: 320,000 specimens, 50% from California.


  • Director: Dan Potter, dpotter@ucdavis.edu
  • Curator: Alison Colwell, aelcolwell@ucdavis.edu
  • Collections Manager: Teri Barry, tcbarry@ucdavis.edu
  • Emeritus Curator: Ellen Dean, eadean@ucdavis.edu


Center for Plant Diversity; Department of Plant Sciences MS#7
University of California
1 Shields Ave.
Davis, CA   95616-8780
(530) 752-1091

Collection Statistics

  • 141,736 specimen records
  • 115,648 (82%) georeferenced
  • 79,727 (56%) with images (80,045 total images)
  • 133,898 (94%) identified to species
  • 357 families
  • 3,102 genera
  • 12,342 species
  • 14,922 total taxa (including subsp. and var.)

Extra Statistics

Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 18 May 2023
Digital Metadata:EML File
Access Rights: http://ucjeps.berkeley.edu/consortium/data_use_terms.html