Trebouxiophyceae (Pleurastrophyceae): Pleurastrales
(Chlorophyceae: Chaetophorales: Chaetophoraceae)
Microthamnion kuetzingianum
Nägeli 1849
Genus: Thalli branched uniseriate filamentous; attached by a basal cell with a small holdfast; cells cylindrical
or sometimes subclavate; terminal cells with bluntly rounded end; chloroplasts a single, parietal plate-like;
without pyrenoids (Photomicrog. Fresh-w. Alg. 4, 1985).
Species:
Vegetative cells short 10-20 μm long,
3 μm diam., axis unclear
(Illustrations of The Japanese Fresh-water Algae, 1977).
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Microthamnion kuetzingianum (? or similar species),
cell body 13-22 μm long, 3.5-4 μm wide,
x 400, x 640, Hanasaki water park, Kazo city, Saitama Pref., Feburary 6, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
* Microthamnion kuetzingianum NŠgeli:
Vegetative cells short 10-20 μm long,
3 μm diam., axis unclear
(Illustrations of The Japanese Fresh-water Algae, 1977).
Microthamnion strictissimum Rabenhorst:
Vegetative cells short 15-25 μm long,
3 μm diam., axis clear
(Illustrations of The Japanese Fresh-water Algae, 1977).
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