Monographs Details: Aphanothece opalescens 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 - Colonies irregular in outline, more or less nodular, subgelatinous, up to 200 n diam.; cells 1-1.4 M diam., 2-2.4 times as long as the diam., yellowish green; colonial tegument opalescent, moderately firm, ample, the individual teguments around each cell or small group of cells remaining distinct and visible for some time, giving to the colony the appearance of a pile of fused spheres; the individual sheaths ample, not lamellose.

Distribution and Ecology - Growing intermixed with other species of Myxophyceae, at La Chiquita near Maricao, no. 1144 e, type, collected by Dr. 1ST. L. Britton.