Do you rely on the RPI?
Consider a donation today to support our work!

Welcome to the Inventory of Rare and Endangered Plants of California

A resource for information about California's rare plants to promote education, scientific research, conservation planning, and effective enforcement of environmental laws.
Simple Search Advanced Search
Full Data Search
Carrizo Plain
Additions / Changes / Deletions

All Major Changes Since 6th Edition, 2001

Currently in Review

Rare Plant Status Review Forum | Forum Membership Information | Status Reviewer Form

Suggested Citation
California Native Plant Society, Rare Plant Program. . Inventory of Rare and Endangered Plants of California (online edition, v8-03). Website [accessed ].

Major Contributors
California Natural Diversity Database Jenkins Family Bilisoly Bequest Grant Calflora Studio Simple TRC

Additional Funding Provided by:
Beatrice Harris   |   LSA Associates   |   Sapphos Environmental