Taxon  Report   10677    
Rhododendron ×columbianum  (Piper) Harmaja  
(no longer an active name)
no common name found
Rhododendron ×columbianum, a dicot, is a shrub that is native to California.
Genus: Rhododendron
Toxicity: MAJOR
Name Status:
ICPN other name:
Rhododendron columbianum

Alternate Names:
ICPN: Ledum ×columbianum
NOTE: Rhododendron Xcolumbianum is no longer an active name.
More information about  Rhododendron ×columbianum
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

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Consortium of California Herbaria

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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: May 31, 2020).