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).
Bulbochaete sp. (B. nordstedtii Wittrock or B. crassiuscula Nordstedt or
cell body 40 μm long, 18 μm wide (excluding hairly projections), L/W=2.2,
x 400, x 640, Mida-ga-hara (bog), Gassan (mountain), Haguro & Tachikawa town, Yamagata Pref., Japan, July 10, 2005 by Y. Tsukii
150 μm; x 400 :
94 μm; x 640