Sideranthus glaberrimus Rydb.

Sideranthus spinulosus (Pursh) Sweet ex Rydb. var. glaberrimus (Rydb.) A. Nels.

Haplopappus spinulosus (Pursh) DC. ssp. glaberrimus (Rydb.) Hall

Haplopappus spinulosus (Pursh) DC. var. glaberrimus (Rydb.) Blake

Southern Shortgrass Prairie

Dallam

DeWitt

Floyd

Hale

Hartley

Hemphill

Hutchinson

Lipscomb

Lubbock

Ochiltree

Oldham

Parmer

Potter

Randall

Roberts

Sherman

Swisher