Gamophyceae:
Zygnematales: Desmidiaceae or Closteriaceae
Closterium pronum
Genus: Cell body crescent in shape (long, curved, tapered at both ends); cross section rounded;
cell wall smooth or with longitudinal lines, bands on the cell wall in some species;
chloroplast laminae ridged and radially arranged, which makes cross section star-shaped;
pyrenoids aligned or scattered
Species:
Cell body elongated spindle-shaped, μm long, μm wide,
L/W=; cell wall transparent, smooth; chloroplasts with 3-6 pyrenoids
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Closterium pronum ,
cell body 300 μm long, 6.5 μm wide, L/W=,
x 200, x 400, x 640, Karakemi marsh, Yasaka, Omachi city (formerly Yasaka village), Nagano Pref., Japan, May 8, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Closterium pronum ,
cell body (left) 136 μm long, 4 μm wide, L/W=34,
x 640, Karakemi marsh, Yasaka village, Nagano Pref., Japan, November 23, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Karakemi marsh, Yasaka, Omachi city (formerly Yasaka village), Nagano Pref., Japan, May 8, 2006 by Y. Tsukii
Please click on images for viewing enlarged.
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