Chlorophyceae:
Chlorococcales: Scenedesmaceae
Coelastrum cambricum
Archer var. cambricum
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, 32 or 64 cells, spherical in shape; cells spherical, covered by a delicate gelatinous
sheath; sheaths with 5 or 6 short, stout, truncate processes radially projected and a single process
toward the outer face of the cell; cells connected to adjacent ones by marginal processes of
the sheath; intercellular spaces circular or
triangular; cells 6-21 μm diam.
(Photomicrographs of the Freshwater Algae, 1996).
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Coelastrum cambricum Archer var. cambricum,
stock Tka-1, axenic culture (September 8 to October 31, 2001),
cell body μm long, μm wide,
x 640, Kanayama Green Park, Kiyose city, Tokyo, Japan, August 2001 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Coelastrum cambricum, stock Tka-1,
axenic culture with KCM and Hyponex (November 25, 2001 to January 12, 2002),
cell body μm long, μm wide,
x 640, Kanayama Green Park, Kiyose city, Tokyo, Japan, August 2001 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Coelastrum cambricum, axenic culture with KCM and Hyponex (January 12 to February 20, 2002),
cell body μm long, μm wide,
x 640, Kanayama Green Park, Kiyose city, Tokyo, Japan, August 2001 by Y. Tsukii
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