Asteraceae | |
Croptilon divaricatum
| (Nutt.) Raf. | Fl. Tellur. 2: 47 | 1836 [1837] |
Asteraceae | |
Croptilon hookerianum
| (Torr. & A. Gray) House | New York State Mus. Bull. 223–224: 61 | 1920 [1921] |
Asteraceae | |
Croptilon rigidifolium
| (E.B. Sm.) E.B. Sm. | Sida 9(1): 60 | 1981 |