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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Campanulids
Ordo: Asterales

Familia: Asteraceae
Genus: Scabrethia
Species: Scabrethia scabra
Subspecies: S. s. subsp. attenuata – S. s. subsp. canescens – S. s. subsp. scabra

Scabrethia scabra (Hook.) W.A.Weber

Phytologia; Designed to Expedite Botanical Publication. New York 85:21. 1999
USDA, ARS, Germplasm Resources Information Network. Scabrethia scabra in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.

Vernacular names
English: Badlands mule-ears

Scabrethia is a genus of North American flowering plants in the sunflower family.[2][3]


There is only one recognized species, Scabrethia scabra, the badlands mule-ears,[4] native to the western United States (Montana, Wyoming, Colorado, Utah, Arizona, New Mexico).[1][5]


Scabrethia scabra subsp. scabra - (Montana, Wyoming, Colorado, Utah, Arizona
Scabrethia scabra subsp. attenuata (W.A.Weber) W.A.Weber - Utah, Arizona, New Mexico
Scabrethia scabra subsp. canescens (W.A.Weber) W.A.Weber - Colorado, Utah, Arizona, New Mexico


Flann, C (ed) 2009+ Global Compositae Checklist
Weber, William Alfred. 1998. Phytologia 85(1): 20–21
Tropicos, Scabrethia W.A. Weber
"Scabrethia scabra". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 6 November 2015.
Biota of North America Program 2013 county distribution map

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