Gerardo Herrera 4309 Det. by: P. Maas, 1993 Phenology: FL 17 September 1990 08:23N 83:19W 30 m PUNTARENAS, GOLFITO R.F. Golfo Dulce Península de Osa. Saprófita. Tallo y flor blanca. Verticilo interno anaranjado.
Gerardo Herrera 4142 Det. by: P. Maas, 1994 Phenology: FL 26 August 1990 08:30N 83:28W 744 m PUNTARENAS, GOLFITO R.F. Golfo Dulce Península de Osa. Saprófita, blanca. Botón floral amarillo Flor blanca.
Michael Grayum 9182 Det. by: P. Maas, 1990 Phenology: FL 10 December 1988 08:40N 83:12W 160 m PUNTARENAS, GOLFITO R.N.V.S. Golfito Valle de Coto Colorado. Whitish saprophyte in primary forest, locally frequent. Fls. white (often yellowish in bud; both conditions observed on same plant).
Abelardo Chacón 187 Det. by: P. Maas, 1994 Phenology: FL 17 July 1989 09:20N 82:59W 650 m LIMON, TALAMANCA P.N. Cordillera de Talamanca Cordillera de Talamanca. Hierba terrestre. Tallo amarillo tenue. Flores de corola amarilla y tubo floral blanco.
P.J.M. Maas 7903 Det. by: P. Maas & H. Maas, II 1991 Phenology: FL 13 February 1991 09:40N 82:50W 150 m LIMON, TALAMANCA Faja Costeña de Limón. Saprophyte, stems reddish, flowers and pedicels white.
Gerardo Herrera 2589 Det. by: P. Maas & H. Maas, I 1991 Phenology: FL 11 April 1989 09:47N 83:06W 800 m LIMON, LIMON Cordillera de Talamanca. Saprófita, terrestre. Tallo y flores blancas.
Gerardo Herrera 2267 Det. by: P. Maas, 1990 Phenology: FR 1 November 1988 09:59N 83:25W 300 m LIMON, MATINA Z.P. Barbilla Cordillera de Talamanca. Saprófita. Tallo lila, muy tenue. Infrutescencia blanca.
Michael Grayum 8960 Det. by: H. Maas & P. Maas, 1991 Phenology: BF 10 September 1988 10:00N 83:26W 250 m LIMON, MATINA Z.P. Barbilla Cordillera de Talamanca. Terrestrial in primary forest on rocky ridge. Stems tinged deep maroon. Fls. (in bud) white. Apparently the same species as MG 8803.
Michael Grayum 8843 Det. by: H. Maas & P. Maas, 1991 Phenology: BF 6 September 1988 10:02N 83:25W 280 m LIMON, TALAMANCA Z.P. Barbilla Cordillera de Talamanca. Whitish saprophytes in primary forest. Corollas golden-yellow in bud (open fls. not seen). Appears different from MG 8803 and MG 8960.
Michael Grayum 8803 Det. by: H. Maas & P. Maas, 1991 Phenology: FL 5 September 1988 10:02N 83:27W 400 m LIMON, MATINA Z.P. Barbilla Cordillera de Talamanca. Delicate, inconspicuous herbs in primary forest on slope. Stems whitish or with purplish tinge. Calyx pale greenish. Corolla white. Probably same species as MG 8960.