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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 ).
Astragalus brauntonii was described by Samuel Bonsall Parish in the Bulletin of the Southern California Academy of Sciences in 1903. It was first discovered by Herman Edward Hasse in 1899, who collected it in "sterile clay soil" in the Santa Monica Mountains. A later 1902 collection by Hasse served as the type specimen.
Clay soils like blue goo have the highest water-holding capacity when compared with other soils, giving them a low draining capacity. [3] This kind of habitat is unsuitable for most plants, [3] but the Northern California coastline maintains high levels of vegetation year round. Due to blue goo's clayey texture, it slips when overly saturated. [6]
California’s eco-bureaucrats halted a wildfire prevention project near the Pacific Palisades to protect an endangered shrub. It’s just the latest clash between fire safety and conservation in ...
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.
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.