Apoda-prorepentia karlii (Pabst) Luer, Monogr. Syst. Bot. Missouri Bot. Gard. 95: 255 (2004).

* Pleurothallis karlii Pabst, Arch. Jard. Bot. Rio de Janeiro 14: 14 (1956).
Acianthera karlii (Pabst) C.N.Gonç. & Waechter, Hoehnea 31: 115 (2004).