About Scabrethia scabra (Hook.) W.A.Weber
Scabrethia is a monotypic genus of North American flowering plants in the family Asteraceae. Only one species in this genus is recognized: Scabrethia scabra, commonly called badlands mule-ears, which is native to the western United States, specifically the states of Montana, Wyoming, Colorado, Utah, Arizona, and New Mexico. Three subspecies are recognized with the following distributions: Scabrethia scabra subsp. scabra is found in Montana, Wyoming, Colorado, Utah, and Arizona; Scabrethia scabra subsp. attenuata (W.A.Weber) W.A.Weber is found in Utah, Arizona, and New Mexico; and Scabrethia scabra subsp. canescens (W.A.Weber) W.A.Weber is found in Colorado, Utah, Arizona, and New Mexico. This genus was circumscribed by William Alfred Weber in Phytologia volume 85, issue 1, page 20 in 1998, and it was published in 1999. The genus name Scabrethia honors Nathaniel Jarvis Wyeth (1802–1856), an American businessman and explorer. The name combines scabrous, which means rough to the touch, and Wyethia.
