DAV - University of California, Davis Center for Plant Diversity - Vascular Plants
University of California, Davis herbarium vascular plant collections are worldwide, with emphasis on California, North America, and neotropics (especially Ecuador and Baja California).
Our collections are especially strong in the following taxa: Quercus, Fagaceae, and Arctostaphylos, Ericaceae of New World; Euphorbiaceae worldwide; Poaceae of North America; Streptanthaus (Brassicaceae); Clarkia (Onagraceae); Lycianthes and Lycopersicon (Solanaceae); Stephanomeria and tarweed genera (Asteraceae); Navarretia (Polemoniaceae); Allium (Alliaceae); Trifolium (Fabaceae);Prunus (Rosaceae).
Our regional strengths are: 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.
Estimated size of collection: 320,000 specimens, 50% from California.
DAV - University of California, Davis Center for Plant Diversity - Vascular Plants. Occurrence dataset (ID: ) https://cch2.org/portal/content/dwca/DAV-VascularPlants_DwC-A.zip accessed via the Symbiota Local Portal Portal, https://dev010.symbiota.org/Portal, 2026-06-22).
- 121,116 (81%) georeferenced
- 85,393 (57%) with media (85,616 total media)
- 141,917 (95%) specimen records
- 365 Families
- 3,266 Genera
- 13,297 Species
- 16,135 total taxa (including subsp. and var.)
