Genus:
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G. acuminatum
96 x 15 μm
Tane-ike
Togakushi highland
Nagano, 2005
G. acuminatum
83 x 14 μm
Maimeno-ike
Norikura highland
Nagano, 2006
G. acuminatum
92 x 14 μm
Aizu Recreation p.
Aizuwakamatsu
Fukushima, 2005
G. acuminatum
76 x 14 μm
Kabuto-yama
Nishi-no-miya
Hyogo, 2004
G. acuminatum
73 x 15 μm
Kumakubo
Nasu-shiobara
Tochigi, 2005
G. acuminatum
67 x 14 μm
Lake Shirakaba
Tateshina & Chino
Nagano, 2005
G. acuminatum
60 x 13 μm
54 x 10 μm
Japan, 1998
G. acuminatum
μm
Japan, 1997
G. acuminatum
52 x 11 μm
Sayama Natural p.
Saitama, 2001
G. acuminatum
60 x 16 μm
Onnenai
Kushiro marsh
Hokkaido, 2005
G. acuminatum
53 x 14 μm
Senjo-ga-hara
Nikko
Tochigi, 2003
G. acuminatum
μm
Yamanashi, 1997
G. acuminatum ?
μm
Yamanashi, 1997
G. acuminatum
53 x 15 μm
Omiya daisan p.
Saitama
Saitama, 2005
G. acuminatum
45 x 10 μm
Imori pond
Myoko highland
Niigata, 2004
G. acuminatum
70 x 14 μm
Kannon-numa
Shimogo
Japan, 1998
G. acuminatum
56 x 11 μm
Sayama park
Higashi-Murayama
Tokyo, 2006