Monographs Details: Chroococcus giganteus var. occidentalis 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:Chroococcaceae
Description:Species Description - Single cells spherical, 32-40 µ diam. without tegument, 60-75 µ diam. with tegument; families of 2-4, 80-100 µ diam. with tegument; tegument hyaline, homogeneous, 11-13 µ diam.

Distribution and Ecology - Growing in company with other Myxophyceae in Laguna Tortuguero, no. 849 b, type.

Discussion:

The variety differs from the species in being slightly larger, having a thicker tegument which is not lamellose.