Humboldt State University Digital Commons @ Humboldt State University Botanical Studies Open Educational Resources and Data 1-21-2020 A List of the Rare, Endangered, & Threatened Vascular Plants of California James P. Smith Jr Humboldt State University,
[email protected] Follow this and additional works at: https://digitalcommons.humboldt.edu/botany_jps Part of the Botany Commons Recommended Citation Smith, James P. Jr, "A List of the Rare, Endangered, & Threatened Vascular Plants of California" (2020). Botanical Studies. 90. https://digitalcommons.humboldt.edu/botany_jps/90 This Flora of California is brought to you for free and open access by the Open Educational Resources and Data at Digital Commons @ Humboldt State University. It has been accepted for inclusion in Botanical Studies by an authorized administrator of Digital Commons @ Humboldt State University. For more information, please contact
[email protected]. A LIST OF THE RARE, ENDANGERED, & THREATENED VASCULAR PLANTS OF CALIFORNIA James P. Smith, Jr. Professor Emeritus of Botany Department of Biological Sciences Humboldt State University Arcata, California Revised: 21 January 2020 Rare, endangered, and threatened vascular plants Fish and Wildlife to manage rare plant data. In have been the subject of study by federal and state March 2010 the two organizations developed a agencies, by conservation groups, and other private scheme called the California Rare Plant Rank (CRPR). entities. The plants on this list are derived from Each plant is given one of the following codes: three sources: the United States Fish & Wildlife Service (federally-listed), the California Department 1A: plants presumed extirpated in California and of Fish & Wildlife (state-listed), and the California either rare or extinct elsewhere Native Plant Society.