Gerardo Herrera 5427 Det. by: J. F. Morales, XI 1993 Phenology: FL 21 March 1992 09:22N 83:05W 1500 m LIMON, TALAMANCA P.N. Cordillera de Talamanca Cordillera de Talamanca. Epífita. Flor amarilla.
J.F. Morales 403 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 crema.
Stephen Ingram 740 Det. by: Lista: Ingram & Ferrell, 90-91 Phenology: FL 20 November 1990 10:10N 84:07W 1650-2000 m HEREDIA, HEREDIA P.N. Braulio Carrillo Cordillera Central. Epiphytic on branch of pasture tree at edge of 2' forest. Sepals and petals transluscent yellowish-white; lip green basally, yellow and thickened distally. FLR-ALC
Wayne Morris 4034 Det. by: J. Atwood, XII 1989 Phenology: FL 9 December 1989 10:21N 84:48W 1550-1600 m GUANACASTE, ABANGARES Cordillera de Tilarán. Epiphyte. Flowers greenish-yellow; sepals long-attenuate; petals linear; lip 3-lobed, a raised keel and two furrows between the lateral lobes.
William Haber 9027 Det. by: J. Atwood, II 1989 Phenology: LR 28 January 1989 10:21N 84:49W 1450 m GUANACASTE, ABANGARES Cordillera de Tilarán. Epiphyte on tree trunk. Sepals 8 mm. Whole flower pale translucent yellow except distal half of lip darker yellow and anther cap white. Fruit 3 x 5 mm, green.
William Haber 8833 Det. by: J. F. Morales, VI 1994 Phenology: FL 10 November 1988 10:22N 84:49W 1400 m GUANACASTE, TILARAN Cordillera de Tilarán. Epiphyte on tree trunk. Sepals 5 mm long. Flowers all translucent white. Anther cap pale green.