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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 (

TaxonAcroptilon repens
Family common name(s)composite; composita; comp; aster; asterwort; asterworts; sunflower; daisy; dandelion
Genus common name(s)Russian knapweed; hardhead thistle
Species common name(s)Russian knapweed; Russian knap-weed; Russian knap weed; Russian centaurea; Russian starthistle; Russian star-thistle; Russian star thistle; Turkestan thistle; Hungarian thistle; hardhead thistle; creeping knapweed
Common name(s) generally applied to other taxa or multiple taxahardheads, hard-heads, hard heads, false knapweed are applied to multiple Asteraceae taxa; blueweed, blue weed, blue-weed, puna grass, puna-grass, punagrass, dusty miller, dusty-miller are applied to taxa in multiple families
NotesRussian, Turkestan, Hungarian are proper names, so upper case preferable
Synonymy: The Jepson Manual (1993), FNA, PLANTS, etcCentaurea repens L.
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