Thelesperma simplicifolium, commonly known as the slender greenthread, is a perennial, herbaceous, flowering plant in the Asteraceae family. It is found...

Tamaulipas) Thelesperma nuecense B.L.Turner - (Texas) Thelesperma scabridulum S.F.Blake - (Coahuila, Nuevo León, Tamaulipas) Thelesperma simplicifolium (A.Gray)...