Genus:
Google Image Search
Fragilaria sp.1
cell μm
Lake Yamanaka
Yamanashi, 1997
Fragilaria sp.1
cell μm
Japan, 1998
Fragilaria sp.2
cell μm
Japan, 1998
Fragilaria sp.3
or sp.1 var.
cell μm
Japan, 1998
Fragilaria sp.3
cell 35 x 6 μm
Kawaguchi N.P.
Kawaguchi
Saitama, 2006
Fragilaria sp.3
cell 38 x 4 μm
Tama river
Fuchu
Tokyo, 2004
Fragilaria sp.3
cell 27 x 4 μm
Heisei-no-mori p.
Kawajima
Saitama, 2006
Fragilaria sp.4
= sp.4 ?
cell μm
Japan, 1998
Fragilaria sp.4
cell μm
Japan, 1997
Fragilaria sp.5
μm
Shin-Akitsu
Higashi-Murayama
Tokyo, 2004
Fragilaria sp.5
100 x 24 μm
Omoi river
Oyama
Tochigi, 2004
Fragilaria sp.5
or Eunotia ?
cell μm
Japan, 1998
Fragilaria sp.5
or Eunotia ?
cell μm
Japan, 1997
Fragilaria sp. ??
45 x 22 μm
Igashira park
Mooka
Tochigi, 2004
Fragilaria sp.6
cell μm
Japan, 1998
Fragilaria sp.6
19 x 13 μm
Numa-no-hara m.
Madarao highland
Niigata, 2005
Fragilaria sp.
18 x 6.5 μm
Kiyasse-Hanyu
Hanyu
Japan, 2006
Fragilaria sp.
cell μm
Japan, 1998
Fragilaria sp. ?
cell μm
Japan, 199?
Fragilaria sp. ?
cell μm
Japan, 1998
Fragilaria sp.
98 x 4.5 μm
Kitayama park
Higashi-Murayama
Tokyo, 2004
Fragilaria sp.
51 x 3.5 μm
Todoroki g.l.
Kawasaki
Kanawaga, 2004