Pruski & S.F.Sm. (Humb. & Bonpl. ex Roem. & Schult.) No year - Pruski JF, Smith SF (1997) Tapeinostemon sessiliflorum (Gentianaceae), a New Combination for a Guayana Endemic. Brittonia 49(3): 346-349. doi: 10.2307/2807834.
No known synonyms