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California black oak comprises a total volume of 29% of California's hardwood timber resources, and is the major hardwood sawn into lumber there. The total estimated area of species occurrence is 361,800 hectares (3,618 square kilometers or 894,000 acres); 239,200 ha (2,392 km 2 or 591,000 acres) of timberland and 122,600 ha (1,226 km 2 or ...
Quercus agrifolia, the California live oak, [3] or coast live oak, is an evergreen [4] live oak native to the California Floristic Province.Live oaks are so-called because they keep living leaves on the tree all year, adding young leaves and shedding dead leaves simultaneously rather than dropping dead leaves en masse in the autumn like a true deciduous tree. [5]
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 ).
Native ash species, including white ash (pictured), have been declining rapidly this century due to predation by the emerald ash borer. [1] Silvics of North America (1991), [2] [3] a forest inventory compiled and published by the United States Forest Service, includes many hardwood trees.
This list includes most of the more common plants to be found on the Modoc National Forest in California, USA as well as plants of some particular note, especially rare plants known or suspected to occur there. If you click on the genus, you will be taken to the page for the genus only; you must click on the specific epithet to be taken to the ...
clear-cutting involves removal of all trees from a tract of land within a 20-acre area followed by replanting if the new ingrowth of seedlings does not meet stocking levels outlined by the Forest Practice Rules. This can result in disturbances in the Sierra Nevada environment by creating patches of densely packed, single-species, same-aged ...
It is a hardwood tree that is native to the far western United States, particularly Oregon and California. It ranges from 15–40 meters (49–131 feet) in height, with a trunk diameter of 60–190 centimeters (24–75 inches).
Umbellularia californica is a large hardwood tree native to coastal forests and the Sierra foothills of California, and to coastal forests extending into Oregon. [2] It is the sole species in the genus Umbellularia. The tree's pungent leaves have a similar flavor to bay leaves, though stronger, and it may be mistaken for bay laurel.