Holt Hall, Room 129
530-898-5381

Summer Hours (6/5 through 8/14/25)
Thursdays
9 a.m.–5 p.m.

Mailing Address
Ahart Herbarium -- zip 0515
California State University, Chico
400 W. First Street [for USPS deliveries]
940 W. First Street [for all other carriers]
Chico, CA 95929