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Chlorophyceae: Chlorococcales: Scenedesmaceae

Coelastrum astroideum
De Notaris 1867

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:
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Coelastrum
C. astroideum
colonies of 32 cells
colony 50 μm
cells μm
Hiroshima, 1998
Movies
Coelastrum
C. astroideum
colonies of 32 cells
colony μm
cells μm
Uruguay, 1999
Coelastrum
C. astroideum ?
colonies of 16 cells
colony μm
cells μm
Japan, 1998
Coelastrum
C. astroideum ?
colonies of 16 cells
colony μm
cells μm
USA, 1999

C. astroideum ?
colonies of 16 cells
colony μm
cells μm
Asaka
Saitama, 2000
Coelastrum
C. astroideum ?
colonies of 16 cells
colony μm
cells μm
Ueno
Tokyo, 2001
Coelastrum
C. astroideum ?
colonies of 16 cells
colony μm
cells μm
Uruguay, 1999
Coelastrum
C. astroideum
colonies of 16 cells
colony 11, 22 μm
cells μm
Uruguay, 1999
Coelastrum
C. astroideum
colonies of 16 cells
colony 20 μm
cells μm
Ueno
Tokyo, 2001
Coelastrum
C. astroideum
colonies of 16 cells
colony 28, 36 μm
cells μm
Koshigaya
Saitama, 2001
Coelastrum
C. astroideum
colonies of 16 cells
colony 27, 34 μm
cells μm
Shikinawa-ike
Fukuoka, 2001
Coelastrum
C. astroideum
colony 20 μm
cells μm
Sayama Natural p.
Saitama, 2001
Coelastrum astrodeum
C. astroideum
or C. C. microporum?
colony 30-44 μm
cells μm
Sayama Natural p.
Saitama, 2001
Coelastrum
C. astroideum
colony 25 μm
cells μm
Nasu
Tochigi, 2001
Coelastrum astroideum
C. astroideum
colony 25 μm
cells μm
Takamatsu
Kagawa, 2002
Coelastrum astroideum
C. astroideum
colony 40, 50, 60 μm
cells μm
Aina-shinsui Park
Kawagoe
Saitama, 2002
Coelastrum astroideum
C. astroideum
colony 30 μm
cells μm
Heisei-no-mori Park
Kawashima
or Kawajima
Saitama, 2002
Coelastrum astroideum
C. astroideum
colony μm
cells μm
Wan-park-land
Kochi, 2002
Coelastrum astroideum
C. astroideum
colony 32 μm
cells μm
Iruma river
Kawagoe
Saitama, 2004
Coelastrum astroideum
C. astroideum
colony 30 μm
cells 10 μm
Kabuto-yama
Nishi-no-miya
Hyogo, 2004
Coelastrum astroideum
C. astroideum
colony 32 μm
cells μm
Imori pond
Myoko highland
Niigata, 2004
Coelastrum
C. astroideum
colony 25, 33 μm
cells μm
near Ayu river
Fujioka
Gunma, 2004

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Coelastrum
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