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A 2001 study by the California Native Plant Society estimated 6,300 native plants. These estimates continue to change over time. [2] Of California's total plant population, 2,153 species, subspecies, and varieties are endemic and native to California alone, according to the 1993 Jepson Manual study. [4]
The 8th Edition, released in 2010 with ongoing updates, is the current database. [2] The online database publication, which depends on volunteer contributions, is supported by the California Native Plant Society, University of California, Riverside Herbarium, and other institutions, organizations, and individuals.
The Endemic flora of the State of California — native plants found within its borders, and nowhere else in nature.; The largest area of the state is in the Mediterranean climate floristic region, within the California Floristic Province — with the greatest number of endemic plants in North America.
Which Southern California native plants survived climate change and mass extinctions 13,000 years ago and still live today? La Brea Tar Pits researchers compiled a list.
The second edition was published in 2012, as The Jepson Manual: Vascular Plants of California, Thoroughly Revised and Expanded (TJM2), and was edited by Bruce Gregg Baldwin, Douglas H. Goldman, David John Keil, Robert Patterson, and Thomas James Rosatti. The second edition features 7,601 California plant species, subspecies and varieties. [4] [5]
In 2010, the California Native Plant Society was successful in having the state legislature designate the third week in April each year as "California Native Plant Week". [5] The legislature recognized that "California native plants, being perfectly suited to California's climate and soil, require far fewer fertilizers, soil amendments, or ...
800-290-4726 more ways to reach us. Mail. Sign in. ... Are all non-native plants invasive? The Massachusetts Invasive ... You can also contribute to the database by reporting patches of invasive ...
In 1985 it also established a gardening Code of Ethics for its members. In 1986, it sponsored its first public annual native plant sale and filed a letters patent. [13] In 1988, it sponsored its first native plant propagation workshop, and established wildflower gardens tour in Guelph and Waterloo, Ontario, Canada.