Dryadella butcheri Luer, Monogr. Syst. Bot. Missouri Bot. Gard. 76: 160. 1999.
TYPE: Panama. Chiriquí: without locality, collected by H. Butcher, flowered in cultivation by P. & A. Jesup in Bristol, CT., 10 December 1988, C. Luer 13804A (holotype, MO).