Monographs Details: Stigonema 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.
Family:Stigonemataceae
Description:Species Description - Filaments 200-300 µ long, 14-18 µ diam. in oldest parts, crooked, irregular, and tuberculate; cells spherical, 1-4-seriate, olive-green, 5-7 µ diam.; sheath thin, close-fitting, hyaline.

Distribution and Ecology - Growing on rocks near Maricao, no. 1030, type.

Discussion:

PLATE 21, FIGURE 55

The plants of this species have the peculiar habit of not readily wetting or absorbing water; seemingly waxy.