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It has been adapted by and to other countries (such as Canada) in various forms. A plant may be described as "hardy to zone 10": this means that the plant can withstand a minimum temperature of 30 to 40 °F (−1.1 to 4.4 °C). Unless otherwise specified, in American contexts "hardiness zone" or simply "zone" usually refers to the USDA scale.
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 ]
The giant sequoia groves of the Sierra Nevada are also found within this biotic zone. [3] Animals that may be found in this zone include the dark-eyed junco, mountain chickadee, western gray squirrel, mule deer, and American black bear. [1] The lower montane forest can be seen in Yosemite Valley and along the Wawona, Hetch Hetchy, and Big Oak ...
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 ).
Numerous plant communities exist in California and botanists have attempted to structure them into identifiable vegetation types groupings. Robert Ornduff and colleagues Phyllis M. Faber and Todd Keeler-Wolf did much work on this problem, and in the 2003 Natural History Guide Introduction to California Plant Life [citation needed] established a cohesive set of titles to identify California ...
[2] [10] Lodgepole pine growing on granite outcrop. Lodgepole pine (Pinus contorta ssp. murrayana), which occurs in vast stands in the upper montane zone, is found mostly in mixed stands in subalpine woodland, particularly with whitebark pine. Lodgepole is not usually found near tree line, although it does occasionally form krummholz.
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Botanists have ranked the Sierra Nevada alpine zone floral bloom as one of California's foremost wildflower displays, with flowers of fantastic color and abundance. [8] Many of the alpine species are notable for large and showy flowers, which must compete for the pollinators during brief growing seasons. [ 5 ]