Monographs Details: Stigonema minutum var. tuberculatum N.L.Gardner
Authority: Gardner, Nathaniel L. 1927. New Myxophyceae from Porto Rico. Mem. New York Bot. Gard. 7: 1-144. pl. 1-23.
Description:Species Description - Filaments very crooked and tuberculate, branching very irregular, numerous; cells distributed without order; tegument hyaline, changing to yellowish brown, homogeneous.

Distribution and Ecology - Growing on " Flytteblok," west of Humacao, no. 571 a, type, and no. 566 a.