Penium polymorphum Perty,
cell body 64 μm long, 26 μm wide, L/W=2.5,
x 640, No.4, Chigo-ike (marsh pond) at the top of Yakebitai mountain, Shiga highland (Oku-shiga highland), Yamanouchi town, Nagano Pref., Japan, October 9, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Cell body 56 μm long, 25 μm wide, L/W=2.2, x 640
Penium polymorphum Perty ?,
cell body 55 μm long, 26 μm wide, L/W=2.1,
x 100, x 200, x 400, x 640, No.4, Chigo-ike (marsh pond) at the top of Yakebitai mountain, Shiga highland (Oku-shiga highland), Yamanouchi town, Nagano Pref., Japan, October 9, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
No. 4, Chigo-ike marsh at the top of Yakebitai mountain, Shiga highland (Oku-shiga highland), Yamanouchi town, Nagano Pref., Japan, October 9, 2006 by Y. Tsukii