Mesadenella petenensis (L.O. Williams) Garay in Bot. Mus. Leafl. 28(4): 335. 1982 sec. Soto-Arenas & al. 2007
- ≡Spiranthes petenensis L.O. Williams in Phytologia 25(7): 460-461. 1973 syn. sec. Soto-Arenas & al. 2007
- =Mesadenella tonduzii (Schltr.) Pabst & Garay in Arch. Jard. Bot. Rio de Janeiro 12: 209. 1953 syn. sec. Soto-Arenas & al. 2007
- =Spiranthes umbraticola L.O. Williams in Phytologia 26(6): 435-436. 1973 syn. sec. Soto-Arenas & al. 2007
- =Stenorrhynchos petenensis (L.O. Williams) Burns-Bal. & E.W. Greenw. in Orquídea (Mexico City) n.s. 10(1): 93. 1986 syn. sec. Soto-Arenas & al. 2007