Blue oak photograph

Blue Oak

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Scientific nameQuercus douglasii
Rank Species
Higher classification Oak
Family Fagaceae
Date of Reg.
Date of Upd.
ID2322578
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About Blue Oak


Quercus douglasii, known as blue oak, is a species of oak endemic to California, common in the Coast Ranges and the foothills of the Sierra Nevada. It is California's most drought-tolerant deciduous oak, and is a dominant species in the blue oak woodland ecosystem.

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