What is "scabrethia"

'Scabrethia ' is a genus of North American flowering plants in the sunflower family.

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

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