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Chlorophyceae: Oedogoniales: Oedogoniaceae

 Bulbochaete sp.
C.A. Agardh

Bulbochaete Genus: Filament with branching, attached on a substrate; dioecious; cell body cylindrical; apical cell with a elongated spiny projections (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species:

Bulbochaete sp. (B. nordstedtii Wittrock or B. crassiuscula Nordstedt or B. insignis Pringsheim or B. brebissonii Kützing or?), cell body 40-55 μm long, 20 μm wide, x 200, x 400, x 640, Ushidome-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Bulbochaete Bulbochaete Bulbochaete

Images of collecting locality: Ushidome-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii

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