Malvastrum americanum (L.) Torr. in Rep. U.S. Mex. Bound. 2(1): 38. 1859 sec. Fryxell 2011
- =Malva americana L., Sp. Pl. 2: 687-688. 1753 syn. sec. The Plant List 2013
- =Malva macrostachya C. Presl, Reliq. Haenk. 2(2): 120. 1835 syn. sec. The Plant List 2013
- =Malvastrum spicatum (L.) A. Gray in Mem. Amer. Acad. Arts, n.s., 4: 22. 1849 syn. sec. POWO 2019
- =Malvastrum macrostachyum (C. Presl) Hemsl., Biol. Cent.-Amer., Bot. 1(2): 99. 1879 syn. sec. The Plant List 2013