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
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
Address:
Center for Plant Diversity; Department of Plant Sciences MS#7
University of California
1 Shields Ave.
Davis, CA   95616-8780
U.S.A.
(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
Taxon Distribution
Taxon Distribution
  • Acalypha (89)
  • Actinostemon (1)
  • Alchornea (10)
  • Andrachne (1)
  • Antidesma (1)
  • Aparisthmium (2)
  • Aporosa (1)
  • Astraea (1)
  • Astrocasia (4)
  • Austrobuxus (3)
  • Bernardia (16)
  • Breynia (8)
  • Bridelia (2)
  • Caperonia (3)
  • Chamaesyce (3)
  • Chrozophora (8)
  • Claoxylon (2)
  • Cleistanthus (1)
  • Cnidoscolus (19)
  • Croton (353)
  • Dalechampia (98)
  • Dalembertia (5)
  • Ditaxis (44)
  • Drypetes (3)
  • Euphorbia (897)
  • Flueggea (5)
  • Glochidion (3)
  • Gymnanthes (4)
  • Hieronyma (9)
  • Hippomane (1)
  • Homalanthus (2)
  • Hyaenanche (1)
  • Hyeronima (1)
  • Jatropha (24)
  • Joannesia (1)
  • Julocroton (2)
  • Mabea (3)
  • Macaranga (10)
  • Maesobotrya (1)
  • Mallotus (2)
  • Manihot (34)
  • Maprounea (1)
  • Margaritaria (8)
  • Mercurialis (9)
  • Micrandra (1)
  • Microstachys (1)
  • Ophellantha (2)
  • Philyra (2)
  • Phyllanthus (207)
  • Plukenetia (1)
  • Poranthera (1)
  • Ricinus (11)
  • Sapium (16)
  • Sauropus (4)
  • Sebastiania (18)
  • Stillingia (65)
  • Suregada (3)
  • Synadenium (1)
  • Tetrorchidium (18)
  • Tragia (55)
  • Triadica (10)