Directory       News       Site Map       Home

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 (

TaxonCentaurea jacea subsp. nigra
Family common name(s)composite; composita; comp; aster; asterwort; asterworts; sunflower; daisy; dandelion
Genus common name(s)centaurea; knapweed; knap-weed; knap weed; knopweed; knop-weed; knop weed; star-thistle; star thistle; starthistle; cornflower; corn-flower; corn flower; barbeau
Species common name(s)brown-rayed knapweed; brown rayed knapweed; brown-ray knapweed; brown ray knapweed; brownray knapweed; brown-scale knapweed; brownscale knapweed; brown centaury; rayed knapweed; horse-knobs
Common name(s) generally applied to other taxa or multiple taxacommon knapweed is applied to multiple Centaurea taxa; hardheads, hard-heads, hard heads, bundweed are applied to multiple Asteraceae taxa; centaury, broad weed, French tobacco, dusty miller, dusty-miller are applied to taxa in multiple families
NotesSpanish is a proper name, so upper case preferable
Synonymy: The Jepson Manual (1993), FNA, PLANTS, etcCentaurea nigra L.
  Copyright © 2017 Regents of the University of California — Updated 02 June 2017