J.F. Morales 416 Det. by: J. F. Morales, VIII 1992 Phenology: FL 20 August 1992 09:54N 83:47W 1300 m CARTAGO., PARAISO P.N. Tapantí Valle del Reventazón. Epífita. Flores secas.
Michael Grayum 8508 Det. by: J. Atwood, IX 1992 Phenology: FL 8 December 1987 10:17N 84:03W 670 m HEREDIA, SARAPIQUI Cordillera Central. Epiphytic on upper branches of toppled tree in area of cleared forest; common here, as viewed from canopy cable-car. Lvs. flattish; bracts brownish. Fls. white.
Erick Bello 1247 Det. by: R. Dressler, XI 1993 Phenology: FL 12 September 1989 10:20N 84:42W 850 m ALAJUELA, SAN RAMON R.B. Monteverde Cordillera de Tilarán. Epífito en tronco de río. Flor púrpura con labelo blanco.
William Haber 8925 Det. by: J. Atwood, II 1989 Phenology: FR 23 December 1988 10:21N 84:48W 1550 m GUANACASTE, ABANGARES Cordillera de Tilarán. Herb, 12-15 cm tall, on steep, wet, rocky road cut. Flower bracts brown, zig-zagging. Flower 4 mm long. Sepals white with green shading at tips. Petals and lip white. Lip with wavy margin. Column white, anther cap pale green.
William Haber 9112 Det. by: J. Atwood, II 1989 Phenology: FL 2 February 1989 10:22N 84:49W 1300 m GUANACASTE, ABANGARES Cordillera de Tilarán. Epiphyte on tree trunk. Flower 4 mm long white.
William Haber 8989 Det. by: J. Atwood, II 1989 Phenology: LR 19 January 1989 10:22N 85:51W 1300 m GUANACASTE, TILARAN Cordillera de Tilarán. Epiphyte on tree trunk. Sepals 3.5 mm. Flower all white, except anther cap pale green.