Taxon  Report   7000 
Quercus kelloggii  Newb.
Black oak,  California black oak
Quercus kelloggii
© 2008 Keir Morse
Click on a photo to see it bigger.
Quercus kelloggii
© 2009 Todd A. Hamilton
Quercus kelloggii
© 2014 Zoya Akulova
Quercus kelloggii, a dicot, is a tree that is native to California and is also found outside of California, but is confined to western North America.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Quercus kelloggii
© 2008 Keir Morse
Family: FAGACEAE  
Genus: Quercus
Mixed Evergreen Forest, Yellow Pine Forest, Northern Oak Woodland
Toxicity: MINOR, DERMATITIS (ACORNS)   [California Poison Control System 2010]    
Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Quercus californica
XWALK: Quercus tinctoria var. californica
More information about  Quercus kelloggii
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Photos on CalPhotos / Google Images
Photos and ID tips from

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 23, 2016).

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