Calflora
Taxon  Report   6990    
Quercus douglasii  Hook. & Arn.
Blue oak
Quercus douglasii
© 1995 Saint Mary's College of California
Photos from
CalPhotos / Calflora
Quercus douglasii
© 2003 Joseph Dougherty/ecology.org
Quercus douglasii
© 2007 Neal Kramer
Quercus douglasii, a dicot, is a tree that is native to California, is endemic (limited) to California.

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Quercus douglasii
© 2012 Aaron Arthur
Communities: Foothill Woodland

Toxicity: MINOR, DERMATITIS (ACORNS)

Name Status:
Accepted by JEF + PLANTS

 
More information about  Quercus douglasii
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (QUDO)

Search the International Plants Names Index

Search efloras.org (Flora of North America)

website references from Google


Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Oct 17, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.