Garrett Crow 7376 Det. by: G. Crow, X 1989 Phenology: 15 October 1989 10:17N 85:20W 13 m GUANACASTE, NICOYA Valle del Tempisque. Stem with large lacunae. Abundant. (1984 collection at Parque Palo Verde was first report for Centroamerica)
Garrett Crow 7404 Det. by: G. Crow, X 1989 Phenology: 20 October 1989 10:20N 85:20W 2 m GUANACASTE, BAGACES R.F.S. Dr. Rafael L. Rodrígu Valle del Tempisque. Stems with large lacunae, floating with upper portion emergent. Plants occasional, scattered.
Garrett Crow 7432 Det. by: G. Crow, X 1989 Phenology: 21 October 1989 10:20N 85:20W 2 m GUANACASTE, BAGACES R.F.S. Dr. Rafael L. Rodrígu Valle del Tempisque. Occasional.