Heterotheca villosa

Heterotheca villosa, called the hairy goldenaster, is a North American species of flowering plant in the aster family. It widespread across the central and western parts of the continent, from Ontario west to British Columbia and south as far as Illinois, Kansas, Nuevo León, Guanajuato, and northern Baja California.[2][3][4][5][6]

Varieties[1][3][4]

• Heterotheca villosa var. ballardii (Rydb.) Semple - northern Great Plains in US and Canada
• Heterotheca villosa var. depressa (Rydb.) Semple - Wyoming
• Heterotheca villosa var. foliosa (Nutt.) V.L.Harms - Rockies, Black Hills, northern Cascades, etc.
• Heterotheca villosa var. minor (Hook.) Semple - Rockies, Cascades, Sierra Nevada, etc.
• Heterotheca villosa var. nana (A.Gray) Semple - Rockies + other mountains from South Dakota to Arizona
• Heterotheca villosa var. pedunculata (Greene) V.L.Harms ex Semple - Arizona, New Mexico, Colorado, Utah
• Heterotheca villosa var. scabra (Eastw.) Semple - Mexico, southwestern USA
• Heterotheca villosa var. sierrablancensis Semple - New Mexico
• Heterotheca villosa var. villosa - northern Great Plains, Columbia Plateau, etc.

Heterotheca villosa
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Tribe:	Astereae
Genus:	Heterotheca
Species:	H. villosa
Binomial name
Heterotheca villosa (Pursh) Shinners 1951
Synonyms[1]
Synonymy Amellus villosus Pursh Aster gracilentus Banks ex DC. Chrysopsis mollis Nutt. Chrysopsis villosa (Pursh) Nutt. ex DC. Diplogon falcatum (Pursh) Kuntze Diplogon villosum (Pursh) Kuntze Diplostephium hispidum Nees ex DC. Inula villosa (Pursh) Nutt. Sideranthus integrifolius Nutt. Chrysopsis ballardii Rydb. Chrysopsis depressa Rydb. Heterotheca depressa (Rydb. ex Rydb.) Dorn Chrysopsis butleri Rydb. Chrysopsis foliosa Nutt. Chrysopsis imbricata A.Nelson Heterotheca foliosa (Nutt.) Shinners Chrysopsis arida A.Nelson Chrysopsis asprella Greene Chrysopsis bakeri Greene Chrysopsis columbiana Greene Chrysopsis compacta Greene Chrysopsis floribunda Greene Chrysopsis grandis Rydb. Chrysopsis hirsuta Greene Chrysopsis hirsutissima Greene Chrysopsis hispida (Hook.) DC. Chrysopsis wisconsinensis (A.Gray) Heterotheca wisconsinensis (Shinners) Shinners Chrysopsis horrida Rydb. Heterotheca horrida (Rydb.) V.L.Harms Chrysopsis pedunculata Greene

References

1. The Plant List, villosa
2. Biota of North America Program 2014 county distribution map
3. Flora of North America, Heterotheca villosa (Pursh) Shinners, 1951. Hairy goldenaster
4. University of Waterloo (Canada), Astereae Lab, Heterotheca villosa photos, drawings, distribution maps for each variety
5. SEINet, Southwestern Biodiversity, Arizona chapter photos, description, distribution map
6. Tropicos, specimen listing for Heterotheca villosa (Pursh) Shinners