Our vascular plant collection contains approximately 300,000 specimens. The collections are worldwide in scope, with strengths in the following geographic regions: California; Ecuador; Baja California; the Antilles; the Pacific Islands; Mediterranean-climate regions. 

The following specialty areas are strong: range plants of California; vernal pool plants of California; alpine flora of western North America; poisonous and weedy plants of California; Euphorbiaceae; Poaceae; and the genera Quercus, Allium, Arctostaphylos, Atriplex, Capsicum, Clarkia, Eschscholzia, Lycianthes, Lycopersicon, Mimulus, Navarretia, Stephanomeria, Trifolium, Vitis.

Only the California portion of our collection (145,000 specimens) is completely databased and 58% imaged. Specimens from outside California are databased and imaged upon request.

DAV data and images for all of our vascular specimens (including ferns) are served via the Symbiota data portal CCH2. 

This data is available on both CCH1 and CCH2 platforms, see the CCH2 page.