Subgenus: lacks arm-like projections Section [ Stellatiformes ]: Semicells with lines of spines (Illustrations of The Japanese Fresh-water Algae, 1977) Species [ var. forficulatum ]: Cell body medium in size, 40-47.6 μm long, 37-60 μm wide (excluding spines), marginal projections present at both anterior and posterior sides of semicells, corner projections with dichotomous spines. [ var. verrucosum ]: Cell body 39-45 μm long, 37-42 μm wide (excluding spines) corner projections with trichotomous spines (Illustrations of The Japanese Fresh-water Algae, 1977) |
31 μm
63 μm
94 μm; x 640
Staurastrum forficulatum Lundell var. forficulatum ??,
cell body 30 μm long (?), 28 μm wide, isthmus ?? μm wide,
x 640, Azami-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Azami-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii
