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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 (

TaxonPerideridia howellii
Family common name(s)umbel; umbelwort; umbelworts; carrot; parsley; biscuitroot
Genus common name(s)perideridia; yampah; yampa; eppaw; eppah; epa; epo; ipo; apau
Species common name(s)Howell's perideridia; Howell's yampah; Howell's yampa; Howell's false-caraway; Howell's false caraway; Howell's falsecaraway; Howell perideridia; Howell yampah; Howell yampa; Howell false-caraway; Howell false caraway; Howell falsecaraway; meadow spindle-root
Common name(s) generally applied to other taxa or multiple taxafalse-caraway, false caraway, wild-caraway, wild caraway are applied to multiple Apiaceae taxa
Common name(s), rejectednot recommended (possibly pejorative or derogatory): squawroot, squaw-root, squaw root, squaw potato, squaw-potato
NotesHowell is a proper name, so upper case preferable; Howells is an error
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