Oxalis rhombifolia Jacq., Oxalis: 22, t. 2. 1794 sec. Sidwell 2011
- =Oxalis acuminata Schltdl. & Cham., Linnaea 5: 224. 1830 syn. sec. Sidwell 2011
- =Oxalis lindenii Turcz. in Bull. Soc. Imp. Naturalistes Moscou 31(2): 429. 1858 syn. sec. Sidwell 2011
- =Acetosella acuminata Kuntze, Rev. Gen. Pl. 1: 92. 1891 syn. sec. Sidwell 2011
- =Acetosella lindenii (Turcz.) Kuntze, Revision Generum Plantarum 1: 92. 1891 syn. sec. Sidwell 2011
- =Acetosella rhombifolia (Jacq.) Kuntze, Rev. Gen. Pl. 1: 93. 1891 syn. sec. Sidwell 2011
- =Lotoxalis sepium Small, N. Amer. Fl. 25: 48. 1907 syn. sec. ???
- =Xanthoxalis acuminata (Schltdl. & Cham.) Small, N. Amer. Fl. 25(1): 56. 1907 syn. sec. Sidwell 2011
- =Xanthoxalis acuminata Small, N. Amer. Fl. 25(1): 56. 1907 syn. sec. Sidwell 2011
- =Oxalis maxonii Standl. J. Wash., Acad. Sci. 17(12): 311. 1927 syn. sec. Sidwell 2011
- =Oxalis rhombifolia var. pubescens Pittier, Trab. Mus. Comercial de Venezuela 7: 310. 1930 syn. sec. Sidwell 2011