Crusea psyllioides (Kunth) W.R. Anderson in Mem. NY. Bot. Gard. 22: 75. 1972 sec. Lorence 2011
- ≡Spermacoce psyllioides Kunth, Nov. Gen. Sp. 3: 346. 1819 ["1818"] syn. sec. Adams 2012
- =Crusea palmeri A. Gray in Proc. Amer. Acad. Arts 21: 381. 1886 syn. sec. Borhidi 2006
- =Crusea villosa S. Watson in Proc. Amer. Acad. Arts 25: 152. 1890 syn. sec. Borhidi 2006
- =Borreria auriculata Brand in Univ. Calif. Publ. Bot. 10(8): 417. 1924 syn. sec. Borhidi 2006