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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 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. The state's other floristic regions include: the low deserts within the Sonoran Desert Floristic Province; the high deserts and eastern borders' dry steppes ...
The deserts in California receive between 2 and 10 inches (51 and 254 mm) of rain per year. [6] Plants in these deserts are brush and scrub, adapted to the low rainfall. Common plant species include creosote bush, blackbrush, greasewood, saltbush, big sagebrush, low sagebrush, and shadscale. [6]
Libby, McNeill and Libby Building - former cannery and processing plant in Blue Island, Illinois Marshall J. Kinney Cannery - former cannery in Astoria, Oregon Samuel Elmore Cannery – was a U.S. National Historic Landmark in Astoria, Oregon that was designated in 1966 but was delisted in 1993. [ 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.
Cuscuta pacifica var. papillata, a parasitic plant found only in the salt marshes of Mendocino county; Eriogonum kelloggii, a species of buckwheat found only on Red Mountain near Leggett; Harmonia guggolziorum, a flowering aster found in two locations near Hopland; Limnanthes bakeri, a meadowfarm plant known in only 20 locations near Willits
The Santa Monica Mountains are covered by hundreds of local plant species: some are endemic or very rare, some are beautiful California native plants in situ, and some also are familiar as horticultural ornamental and native garden plants. Each season has different plants predominating the visual experience.
A Palmer oak in Jurupa Valley is estimated to be 13,000 to 18,000 years old. The plant, which looks like a sprawling, dark green shrub, is now at the center of a development battle.