Michael Grayum 8126 Det. by: I. Al-Shehbaz, 1991 Phenology: FL 10 March 1987 08:47N 82:58W 1150 m PUNTARENAS, COTO BRUS Fila Costeña. Occasional weed in damp places along river. Fls. whitish.
Garrett Crow 7523 Det. by: G. Crow, VIII 1990 Phenology: 9 August 1990 09:46N 83:51W 1600 m CARTAGO, PARAISO R.F. Río Macho Cordillera de Talamanca. Frequent.
Alex. Rodríguez 309 Det. by: A. Rodríguez, X 1994 Phenology: FR 23 October 1994 09:50N 83:34W 770 m CARTAGO, TURRIALBA Valle del Reventazón. Hierba de 0.25 m. Creciendo a orilla de calle. Frutos verdes, muy abundantes.
Michael Grayum 7914 Det. by: I. Al-Shehbaz, 1991 Phenology: LR 9 January 1987 09:57N 84:02W 1310 m SAN JOSE, MONTES DE OCA Valle Central. Weed in lawn and shady parts of garden. Petals white. Frts. green, slightly compressed parallel to the broad partition.
Garrett Crow 7519 Det. by: G. Crow, VIII 1990 Phenology: FL 8 August 1990 10:09N 84:09W 1980 m HEREDIA, HEREDIA Cordillera Central. Growing in very wet places in pasture.