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Chlorophyceae: Chlorococcales: Scenedesmaceae

Coelastrum reticulatum
(Dangeard) Senn var. reticulatum

Coelastrum Genus: Colonies spherical, with inner empty space; cells attached to each other by a protrusion of cell wall, arranged in a single layer; cell body mostly spherical with some conical or grobular bulges; chloroplasts cup-shaped with a pyrenoid; reproduction by asexual coenobium (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Colonies of 8, 16 or 32 cells, spherical in shape, covered by a mucilaginous envelope; often held in multiple coenobia by the remains of mother cell walls; cells connected to adjacent ones by 5 - 7 long, slender processes; intercellular spaces large; cells up to 24 μm diam. (Photomicrographs of the Freshwater Algae, 1996).


Coelastrum reticulatum (Dangeard) Senn var. reticulatum, colony nearly spherical, 56, 80 μm in diam., x 640, Kabuto-yama sizen-kansatsu ike (pond), Kabuto-yama, Nishi-no-miya city, Hyogo Pref., Japan, September 10, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Coelastrum Coelastrum Coelastrum Coelastrum Coelastrum


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