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Gamophyceae: Zygnematales: Desmidiaceae or Closteriaceae

Closterium striolatum
Ehrenberg ex Ralfs 1848

Species: Cell body 180-(210-493)-540 μm long, (24-45)-52 μm wide (cf. C. intermedium < 25 μm), L/W = 8-12, slightly curved, tapered at both ends, not swelled in the middle (cf. C. rostratum), both ends broadly truncated with slanting edges; cell wall brown in color and striated, 5-10 striae in 10 μm; chloroplasts with with 5-9 pyrenoids in each semicells (Illustrations of the japanese fresh-water algae, 1977).
Both ends are obliquely truncate-convex; striae about 20 across the cell; chloroplasts with 5-6 pyrenoids in each semicells; 210-490 μm long, 24-45 μm wide (Phtomicrographs of the fresh-water algae, 1984).
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Closterium
C. striolatum
474 x 51 μm
490 x 51 μm
L/W=9.3,9.6
Onnenai
Kushiro marsh
Hokkaido, 2005
Closterium
C. striolatum
460 x 54 μm
L/W=8.5
Onnenai
Kushiro marsh
Hokkaido, 2005
Closterium
C. striolatum
494 x 37 μm
L/W=13.4
Onnenai
Kushiro marsh
Hokkaido, 2005
Closterium striolatum
C. striolatum
270 x 30 μm
L/W=8.6
standing water
Nishiwaga
Iwate, 2007.7
Closterium
C. striolatum
340 x 35 μm
350 x 33 μm
L/W=10,10.6
Iroha-numa
Zao mountain
Yamagata, 2005
Closterium
C. striolatum
300 x 32 μm
L/W=9.4
Iroha-numa
Zao mountain
Yamagata, 2006
Closterium
C. striolatum
260 x 33 μm
L/W=7.9
Iroha-numa
Zao mountain
Yamagata, 2005
Closterium striolatum
C. striolatum
362 x 35 μm
L/W=10.3
Iroha-numa
Zao mountain
Yamagata, 2008
Closterium striolatum
C. striolatum
310 x 33 μm
L/W=
Kejo-numa
Furukawa
Miyagi, 2003
Closterium
C. striolatum
or C. rostratum ?
305 x 28 μm
L/W=11
Komado marsh
Showa and Tajima
Fukushima, 2004
Closterium striolatum
C. striolatum
486 x 52 μm
L/W=9.3
Komado marsh
Showa and Tajima
Fukushima, 2007
Closterium striolatum
C. striolatum
μm
L/W=
Miyatoko m.1
Minami-Aizu
Fukushima, 2008
Closterium
C. striolatum
255 x 30 μm
L/W=8.5
Ikei-no-ike
Nasu
Tochigi, 2006
Closterium striolatum
C. striolatum
436 x 36 μm
L/W=12.1
Chojabaru
Kokonoe
Oita, 2008
Closterium striolatum
C. striolatum
356 x 36 μm
L/W=9.9
Ryugahara m.1
Yuri-Honjo
Akita, 2008
Closterium
C. striolatum
or C. rostratum ?
235 x 25 μm
L/W=9.5
ends truncated
Nasu
Tochigi, 2000
Closterium striolatum
C. striolatum
295 x 36 μm
L/W=
Miyatoko marsh
Minami-Aizu
Fukushima, 2008
Closterium striolatum
C. striolatum
μm
L/W=
Numappara marsh 3
Nasu-shiobara
Tochigi, 2007
Closterium
C. striolatum
350 x 35 μm
L/W=10.0
Numa-no-hara m.
Madarao highland
Niigata, 2006
Closterium striolatum
C. striolatum ?
400 x 34 μm
L/W=11.8
Furuike marsh
Togakushi highland
Nagano, 2005
Closterium striolatum
C. striolatum ?
μm
L/W=
Iyari marsh 1
Omachi
Nagano, 2008
Closterium striolatum
C. striolatum ?
μm
L/W=
Iyari marsh 2
Omachi
Nagano, 2008
Closterium intermedium
C. striolatum ?
x 34 μm
L/W=
Iyari marsh 1
Omachi
Nagano, 2008
Closterium striolatum
C. striolatum
334 x 39 μm
L/W=8.6
Ikenokochi m.5
Tsuruga
Fukui, 2006
xxxx
C. striolatum ?
cellwall smooth ?
198 x 18 μm
L/W=11
Kenashitai
Hakkoda mountain
Aomori, 2005
Similar species --->> C. intermedium (φ < 25 μm); C. rostratum;

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Closterium
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