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Common (vernacular) names applied to California vascular plants

compiled by Elizabeth Painter

up to date as of May 1, 2016

Common names (also referred to as vernacular names) are applied differently at different times and places by different users. This list is compiled from many sources and is intended to be as comprehensive as possible. It is not intended to indicate which common name is correct or preferred. Please send comments about this page to Elizabeth Painter (

TaxonQuercus douglasii
Family common name(s)oak; beech
Genus common name(s)oak; true oak; encino; encina; roble
Species common name(s)California blue oak; Californian blue oak; California encino azul; Douglas's oak; Douglas's blue oak; Douglas' oak; Douglas' blue oak; Douglas oak; Douglas blue oak; California roble azul
Common name(s) generally applied to other taxa or multiple taxablue oak, iron oak, mountain oak, mountain white oak, jack oak, post oak, rock oak, California encino, California encina, encino azul, roble azul are applied to multiple Quercus taxa; white oak is applied to taxa in multiple families
NotesCalifornia, Californian, Douglas are proper names, so upper case preferable; Dougla's is an error
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