Taxon  Report   56 
Acer glabrum  Torrey  var. diffusum  (E. Greene) F.J. Smiley
Mountain maple,  Rocky mountain maple
Acer glabrum var. diffusum
© 2008 Michael Charters
Click on a photo to see it bigger.
Acer glabrum var. diffusum
© 2007 Steve Matson
Acer glabrum var. diffusum, a dicot, is a tree or shrub that is native to California.

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Plant Characteristics
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Bloom Period
Acer glabrum var. diffusum
© 2007 Steve Matson
Genus: Acer
Parent Record Acer glabrum
Wetlands: Arid West: Equally likely to occur in wetlands and non wetlands
Mountains, Valleys and Coast: Occurs usually in non wetlands, occasionally in wetlands
Toxicity: DERMATITIS   [California Poison Control System 2010]    
Distribution by County 

Add an Observation of  Acer glabrum var. diffusum

Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Acer diffusum
PLANTS: Acer glabrum ssp. diffusum
More information about  Acer glabrum var. diffusum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Mar 23, 2018).

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