Conyza
conyza, horseweed
Specimens
Photos
Origin: Native
Conservation Status: Not of concern
Description:
[none provided]
Accepted Name:
Conyza
Publication: Syn. Gen. Compos. 203. 1832.
Publication: Syn. Gen. Compos. 203. 1832.
Synonyms & Misapplications:
(none provided)
Species in Conyza:
-
Conyza bonariensis – South American conyza
Occurring west of the Cascades crest in lowland western Washington; Washington to California, eastward in the southern U.S. to the Atlantic Coast. -
Conyza canadensis – Canadian fleabane, horseweed Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east to the Atlantic Coast.
- Conyza sumatrensis – asthmaweed
- var. sumatrensis
Additional Resources:
PNW Herbaria: Specimen records of Conyza in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Conyza checklist entry
OregonFlora: Conyza information
E-Flora BC: Conyza atlas page
CalPhotos: Conyza photos
33 photographs:
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