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Coelastrum microporum (from live sample)

Coenobic colony consisting of 8 to 64 cells connected by very short indistinct processes. Cells are spherical or ovoid. Each cell measures from 3-20µ in diameter without sheath and 4-23µ with sheath with an average of 14.14 cubic microns for total volume. The colony  measures overall 20-90µ in diameter. Sample collected from Back River near Baltimore in July 2003.