Kearnemalvastrum subtriflorum (Lag.) D.M. Bates in Brittonia 19(3): 232–233, f. 2. 1967 sec. Fryxell 2012
- ≡Malva subtriflora Lag., Gen. Sp. Pl.: 21. 1816 syn. sec. Fryxell 1988
- =Malva ribifolia Schltdl. in Linnaea 11: 351–352. 1837 syn. sec. Fryxell 1988
- =Malva mexicana Schauer in Linnaea 20: 724. 1847 syn. sec. Fryxell 1988
- =Malvastrum mexicanum (S. Schauer) Hemsl., Biol. Cent.-Amer., Bot. 1(2): 99. 1879 syn. sec. Fryxell 1988
- =Malvastrum ribifolium (Schltdl.) Hemsl., Biol. Cent.-Amer., Bot. 1(2): 100. 1879 syn. sec. Fryxell 1988
- =Malvastrum schaffneri S. Watson in Proc. Amer. Acad. Arts 25: 143. 1890 syn. sec. Fryxell 1988
- =Malvastrum greenmanianum Rose in Contr. U.S. Natl. Herb. 5(4): 180-181. 1899 syn. sec. Fryxell 2012