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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] This botanical diversity stems not only from the size of the state, but also its diverse topographies , climates, and soils (e.g. serpentine outcrops ).
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]
All plant taxa that the State of California or U.S. Fish and Wildlife Service list as being threatened species, endangered species, or rare species in California, are included in the lists. [ 2 ] [ 3 ] : 10 They are continually updated with additions, changes, and deletions.
Most plant parts are dried, pressed, mounted on herbarium sheets and stored; succulents and some other types of plants are normally kept in alcohol solution. The sheets are standard size of 16 1 ⁄ 2 × 11 1 ⁄ 2 inches or 41.25 × 28.75 cm.
Note: references for each plant species are within their own articles. Bibliography of the Sierra Nevada (U.S.) "A Natural History of California," Allan A. Schoenherr, University of California Press, 1992, ISBN 0-520-06922-6. "A California Flora and Supplement," Phillip Munz, 1968, University of California Press, ISBN 0-520-02405-2.
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.
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In biology, an identification key, taxonomic key, or frequently just key, is a printed or computer-aided device that aids in the identification of biological organisms. Historically, the most common type of identification key is the dichotomous key , a type of single-access key which offers a fixed sequence of identification steps, each with ...