Blue oak | |
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A large blue oak in a pasture in Mariposa County, California | |
Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Fagales |
Family: | Fagaceae |
Genus: | Quercus |
Subgenus: | Quercus subg. Quercus |
Section: | Quercus sect. Quercus |
Species: | Q. douglasii
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Binomial name | |
Quercus douglasii | |
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Natural range | |
Synonyms[3] | |
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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.[4] It is California's most drought-tolerant deciduous oak,[5] and is a dominant species in the blue oak woodland ecosystem. It is occasionally known as mountain oak and iron oak.[6][7]
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