Aegopogon tenellus var. abortivus (E. Fourn.) Beetle in Univ. Wyoming Publ. 8(2): 19. 1948 sec. Dávila & al. 2006
- ≡Aegopogon cenchroides var. abortivus E. Fourn., Mexic. Pl. 2: 72. 1886 syn. sec. Dávila & al. 2006
- =Aegopogon geminiflorus var. abortivus E. Fourn., Mexic. Pl. 2: 71. 1886 syn. sec. Dávila & al. 2006
- =Aegopogon gracilis Vasey in Bull. Torrey Bot. Club 13(12): 230. 1886 syn. sec. Dávila & al. 2006
- =Aegopogon imperfectus Nash, N. Amer. Fl. 17(2): 138. 1912 syn. sec. Dávila & al. 2006