California Native Grass Association (CNGA)
Promotes and restores California native grasslands.
P.O. Box 72405
Davis, CA 95617
California Native Plant Society (CNPS)
Open to all native plant lovers. Membership benefits include subscriptions to the Bulletin and Fremontia, as well as publications produced by local chapters.
1722 J Street, Suite 17
Sacramento, CA 95814
Friends of the Regional Parks
The Regional Parks Botanic Garden includes plants native to many communities in California. Membership benefits include subscriptions to Four Seasons and Manzanita.
Regional Parks Botanic Garden.
c/o Tilden Regional Park
Berkeley, CA 94708-2396
Society for Pacific Coast Native Iris
The society seeks to increase awareness and appreciation of this native plant.