Dryadella pachyrhiza Luer & Hirtz, Monogr. Syst. Bot. Missouri Bot. Gard. 76: 163. 1999.
TYPE: Ecuador. Bolívar: epiphytic in humid forest west of Guaranda, old road to Puertoviejo alt. 3100 m, 26 March 1984, C. Luer, S. Dalström, T. Höijer, J. Kuijt & A. Hirtz 9742 (holotype, MO; illustration of type).