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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 (

TaxonPackera streptanthifolia var. streptanthifolia
Family common name(s)composite; composita; comp; aster; asterwort; asterworts; sunflower; daisy; dandelion
Genus common name(s)packera
Species common name(s)Rocky Mountain groundsel; Rocky Mountain butterweed; many-face groundsel; manyface groundsel
Common name(s) generally applied to other taxa or multiple taxacleft-leaved groundsel, cleft-leaf groundsel, cleftleaf groundsel, cleftleaf ragwort, Rocky Mountain ragwort, northern ragwort, northern groundsel are applied to multiple Packera taxa; butterweed, butter-weed, ragwort, rag-wort, groundsel, groundsell are applied to multiple Asteraceae taxa
Common name(s), rejectednot recommended (possibly pejorative or derogatory): squaw-weed, squaw weed, squawweed
NotesRocky Mountain is a proper name, so upper case preferable; Rockymountain, rockymountain are errors
Synonymy: The Jepson Manual (1993), FNA, PLANTS, etcSenecio streptanthifolius Greene; Senecio cymbalarioides Nutt.
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