Calflora
Taxon  Report   6982    
Quercus ×macdonaldii  Greene
Macdonald oak,  Macdonald's oak
Quercus Xmacdonaldii
© 2015 Keir Morse
Photos from
CalPhotos / Calflora
Quercus Xmacdonaldii
© 2015 Keir Morse
Quercus Xmacdonaldii
© 2015 Keir Morse
Quercus ×macdonaldii, 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
Quercus Xmacdonaldii
© 2015 Keir Morse
Family: FAGACEAE  
Genus: Quercus
Communities: Chaparral, Southern Oak Woodland

Toxicity: MINOR, DERMATITIS (ACORNS)

Name Status:
Accepted by JEF

Alternate Names:
PLANTS: Quercus dumosa var. macdonaldii
ICPN: Quercus macdonaldii
More information about  Quercus ×macdonaldii
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (QUMA4)

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: https://www.calflora.org/   (Accessed: Nov 16, 2018).

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