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*The database used to provide updates to the Online Inventory is under construction. View updates and changes made since May 2019 here.

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.
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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 http://www.rareplants.cnps.org [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