Oxalis alpina (Rose) Rose ex R. Knuth in Notizbl. Bot. Gart. Berlin–Dahlem 7(67): 315. 1919 sec. Sidwell 2011
- ≡Ionoxalis alpina Rose in Contr. U.S. Natl. Herb. 10(3): 110. 1906 syn. sec. Sidwell 2011
- =Ionoxalis compacta Rose, U.S. Nat. Herb. 10(3): 110. 1906 syn. sec. Sidwell 2011
- =Ionoxalis pringlei Rose in Contr. U.S. Natl. Herb. 10(3): 114. 1906 syn. sec. Sidwell 2011
- =Ionoxalis immaculata Small, N. Amer. Fl. 25: 41. 1907 syn. sec. Sidwell 2011
- =Ionoxalis metcalfei Small, N. Amer. Fl. 25 (1): 39. 1907 syn. sec. Sidwell 2011
- =Ionoxalis monticola Small, N. Amer. Fl. 25(1): 42. 1907 syn. sec. Sidwell 2011
- =Ionoxalis rupestris Small, N. Amer. Fl. 25: 37. 1907 syn. sec. Sidwell 2011
- =Ionoxalis seatonii Rose, N. Amer. Fl. 25: 42. 1907 syn. sec. Sidwell 2011
- =Ionoxalis neomexicana R. Knuth, Notizbl. Bot. Gart. Berlin–Dahlem 7(67): 315. 1919 syn. sec. Sidwell 2011
- =Oxalis hidalgensis R. Knuth in Notizbl. Königl. Bot. Gart. Berlin 7(67): 315. 1919 syn. sec. The Plant List 2013
- =Oxalis hidalgensis R. Knuth, Notizbl. Königl. Bot. Gart. Berlin 7(67): 315. 1919 syn. sec. Sidwell 2011
- =Oxalis immaculata (Small) R. Knuth in Notizbl. Königl. Bot. Gart. Berlin 7(67): 314. 1919 syn. sec. The Plant List 2013
- =Oxalis metcalfei (Small) R. Knuth, Notizbl. Bot. Gart. Berlin–Dahlem 7(67): 314. 1919 syn. sec. Sidwell 2011
- =Oxalis neomexicana R. Knuth, Notizbl. Bot. Gart. Berlin–Dahlem 7(67): 315. 1919 syn. sec. Sidwell 2011
- =Oxalis pringlei (Rose) R. Knuth in Notizbl. Bot. Gart. Berlin-Dahlem 7(67): 315. 1919 syn. sec. Sidwell 2011
- =Oxalis seatonii (Rose) R. Knuth in Notizbl. Königl. Bot. Gart. Berlin 7(67): 315. 1919 syn. sec. ???
- =Oxalis seatonii (Rose) R. Knuth, Notizbl. Königl. Bot. Gart. Berlin 7(67): 315. 1919 syn. sec. Sidwell 2011
- =Oxalis tepicensis R. Knuth, Notizbl. Königl. Bot. Gart. Berlin 7(67): 315. 1919 syn. sec. Sidwell 2011