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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 (

TaxonAgeratina adenophora
Family common name(s)composite; composita; comp; aster; asterwort; asterworts; sunflower; daisy; dandelion
Genus common name(s)ageratina; snakeroot
Species common name(s)sticky ageratina; sticky snakeroot; sticky eupatorium; sticky eupatory; sticky agrimony; crofton weed; Crofton weed; croftonweed; ageratina snakeroot; Mexican eupatory; Mexican devil; gland-bearing thoroughwort; cat weed; cat-weed; catweed
Common name(s) generally applied to other taxa or multiple taxathoroughwort, thorough-wort, thorough wort, trumpetweed, trumpet-weed, Mexican devilweed, Mexican-devilweed, Mexican devil-weed, Mexican devil weed, spiny aster, hemp agrimony, hemp-agrimony, white ageratum are applied to multiple Asteraceae taxa; common sandaster, common sand-aster, common sand aster are more commonly applied to Corethrogyne filaginifolia; devilweed, devil-weed, devil weed, wild agrimony are applied to taxa in multiple families
Common name(s), rejectednot recommended (possibly pejorative or derogatory): squaw-weed, squaw weed
NotesMexican is a proper name, so upper case preferable
Synonymy: The Jepson Manual (1993), FNA, PLANTS, etcEupatorium adenophorum Spreng.
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