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California black oak is a deciduous tree growing in mixed evergreen forests, oak woodlands, and coniferous forests. California black oak is distributed along foothills and lower mountains of California and western Oregon. [6] [7] It can be found at altitudes of up to 1,800 m (5,900 ft), for example near Mount Shasta. [4]
Oregon oak woodland is found in Northern California's Klamath-Siskiyou, Northern Coast Ranges, and southern Cascade Range.These woodlands are composed primarily of Oregon oak (Q. garryana), interior live oak (Q. wislizeni), and coast live oak, together with California black oak, canyon live oak, blue oak, Pacific madrone (Arbutus menziesii), California bay (Umbellularia californica), incense ...
Valley oak (Quercus lobata) - the largest of these, found in valley regions. Leather oak (Quercus durata) - an evergreen shrub endemic to serpentine chaparral. Blue oak (Quercus douglasii) - in the Central Valley foothills and Coast Ranges. California black oak (Quercus kelloggii) - in the higher hills and mountains.
Map of oak savanna distribution in North America. Although there are pockets of oak savanna almost anywhere in North America where oaks are present, there are three major oak savanna areas: 1) California, British Columbia, Washington and Oregon in the west; 2) Southwestern United States and northern Mexico; and 3) the prairie/forest border zone of the Midwestern United States.
Quercus velutina (Latin 'velutina', "velvety") , the black oak, is a species of oak in the red oak group (Quercus sect. Lobatae), native and widespread in eastern and central North America. It is sometimes called the eastern black oak. [4] Quercus velutina was previously known as yellow oak due to the yellow pigment in its inner bark.
The Mediterranean California lower montane black oak–conifer forest is a major forest association and ecosystem of the California mixed evergreen forest bioregion in certain mountain ranges in California and southern Oregon in the Western United States; and Baja California in northwest Mexico. [1] [2] [3]
The largest extant California black oak is found in the Siskiyou Mountains. [30] The blue oak , Quercus douglasii , is beyond its contiguous range; however, there are disjunctive populations of blue oak within the Siskiyou Mountains.
Coast live oak (Quercus agrifolia), Black oak (Q. kelloggii), Oregon oak (Q. garryana) Big leaf maple (Acer macrophyllum). Further inland, on north facing slopes or protected canyons, these forests are drier and generally lack tanoak, Douglas fir, and coast redwood. Species typical of the drier neighboring oak woodlands join the mix: