Masdevallia sulphurella Königer, Arcula 4: 101. 1995.
TYPE: Peru. Amazonas: Prov. Bongara, Pomacochas, 2000 m, Aug 1978, W. Königer et al. K-3m (holotype, M; isotypes, K, USM, Herb. H. Königer; illustration of type).
ILLUSTRATIONS