Buchnera floridana Gand. in Bull. Soc. Bot. France 66(5–6): 217. 1919 sec. Morawetz & Christenhusz 2011
- =Buchnera angustifolia Raf., New Fl. 2: 32. 1837 syn. sec. Morawetz & Christenhusz 2011
- =Buchnera breviflora Pennell, Man. S.E. Fl.: 1223, 1508. 1933 syn. sec. ???