Alaticaulia ametroglossa (Luer & Hirtz) Luer, Monogr. Syst. Bot. Missouri Bot. Gard. 105: 4. 2006.
Bas.: Masdevallia ametroglossa Luer & Hirtz, Monogr. Syst. Bot. Missouri. Bot. Gard. 91: 29a. 2003. TYPE: Ecuador. zamora-Chinchipe: cordillera del Condor, Nangariza Zurmi, 800 m, cultivated at Ecuagenera, Gualaceo, Ecuador, 11 July 2002, A. Hirtz 8386 (holotype, MO; illustration of type).
Bas.: Masdevallia ametroglossa Luer & Hirtz, Monogr. Syst. Bot. Missouri. Bot. Gard. 91: 29a. 2003.
TYPE: Ecuador. zamora-Chinchipe: cordillera del Condor, Nangariza Zurmi, 800 m, cultivated at Ecuagenera, Gualaceo, Ecuador, 11 July 2002, A. Hirtz 8386 (holotype, MO; illustration of type).