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Gamophyceae: Zygnematales: Desmidiaceae or Closteriaceae

Closterium kuetzingii
Brébisson

Species: Cell body quickly attenuated toward both ends (cf. C. ralfsii), each extended part shorter than spindle-shaped part at middle (cf. C. setaceum), both termini slighlty curved, rounded, 270-690 μm long, 14-27 μm wide ( L/W= 18-20); cell wall transparent or brownish with thin lines (8-10 lines/10 μm wide); chloroplasts composed of 5 lamellae; 4-6 pyrenoids in each half-cell (Illustrations of The Japanese Fresh-water Algae, 1977).
270-512 μm long, 13-22 μm wide ( L/W= 18-30); 8-11 lines/10 μm wide (Photomicrographs of the Fresh-water Algae, vol. 4, 1985).
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Closterium kuetzingii
C. kuetzingii
550 x 20,23 μm
L/W=27.5
Onnenai
Kushiro marsh
Hokkaido, 2005
Closterium kuetzingii
C. kuetzingii
490-536 x 23-24 μm
L/W=20-23
Onnenai
Kushiro marsh
Hokkaido, 2005
Closterium kuetzingii
C. kuetzingii
454 x 18 μm
L/W=25.2
Onnenai
Kushiro marsh
Hokkaido, 2005
Closterium kuetzingii
C. kuetzingii
245,250 x 15,16 μm
L/W=16.3,16.7
Suiren-numa
Hakkoda mountain
Aomori, 2005
Closterium kuetzingii
C. kuetzingii
265 x 16.5, 17 μm
L/W=16.1
Suiren-numa
Hakkoda mountain
Aomori, 2006
Closterium
C. kuetzingii
228 x 15 μm
L/W=15.3
Sukawa highland
Kurikoma mountain
Akita, 2005
Closterium kuetzingii
C. kuetzingii
235,295 x μm
L/W=15.7,19.3
Sukawa highland
Kurikoma mountain
Akita, 2005
Closterium kuetzingii
C. kuetzingii
348 x 20 μm
L/W=17.4
Futayo-no-ike
Haguro mountain
Yamagata, 2005
Closterium
C. kuetzingii ?
or C. ralfsii ?
185 x 15 μm
L/W=12.3
Komado marsh
Showa & Tajima
Fukushima, 2004
Closterium kuetzingii
C. kuetzingii
235 x 14 μm
235 x 13 μm
L/W=16.8, 18.1
Komado marsh
Showa and Tajima
Fukushima, 2004
Closterium kuetzingii
C. kuetzingii
245 x 14 μm
L/W=17.5
Komado marsh
Showa and Tajima
Fukushima, 2004
Closterium kuetzingii
C. kuetzingii
320 x 16 μm
L/W=20.0
Komado marsh
Showa and Tajima
Fukushima, 2007
Closterium kuetzingii
C. kuetzingii
μm
L/W=
Aizu Recreation p.
Aizuwakamatsu
Fukushima, 2008
Closterium kuetzingii
C. kuetzingii
292 x 15.5 μm
L/W=18.8
Yoshigadaira m.
Shirane mountain
Gunma, 2005
Closterium kuetzingii
C. kuetzingii
μm
L/W=
Kashiwa v.m.p.
Kashiwa
Chiba, 2008
Closterium kuetzingii
C. kuetzingii
or C. ralfsii ?
420,444 x μm
L/W=13
Numa-no-hara marsh
Madarao highland
Niigata, 2005
Closterium kuetzingii
C. kuetzingii
303,340,560 x μm
L/W=21,24
Numa-no-hara marsh
Madarao highland
Niigata, 2005
Closterium
C. kuetzingii
242 x 16 μm
L/W=15.1
Numa-no-hara marsh
Madarao highland
Niigata, 2006
Closterium kuetzingii
C. kuetzingii
430 x 22 μm
460 x 22 μm
L/W=19.5, 20.9
Imori pond
Myoko highland
Niigata, 2004
Closterium kuetzingii
C. kuetzingii
310-440 x μm
L/W=15-20
Iyari marsh 1
Omachi
Nagano, 2007
Closterium kuetzingii
C. kuetzingii
μm
L/W=
Azami-ike 3
Norikura highland
Nagano, 2007.11
Closterium
C. kuetzingii
μm
L/W=
Shijuhachi-ike 1
Shiga highland
Nagano, 2008
Closterium kuetzingii
C. kuetzingii
216 x 15 μm
232 x 15 μm
L/W=14.4, 15.5
Imou bog
Toyohashi
Aichi, 2004
Closterium kuetzingii
C. kuetzingii
222 x 16 μm
L/W=
Imou bog
Toyohashi
Aichi, 2006
Closterium kuetzingii
C. kuetzingii
μm
Yamamuro m.2
Maibara
Shiga, 2008
Closterium kuetzingii
C. kuetzingii
μm
Yamamuro m.1
Maibara
Shiga, 2008
Closterium kuetzingii
C. kuetzingii
μm
Yamamuro m.8
Maibara
Shiga, 2008
Closterium kuetzingii
C. kuetzingii or
C. subulatum ?
360 x 15 μm
Kareki-numa
Nikko
Tochigi, 2008
Closterium kuetzingii
C. kuetzingii
250-275 x 13 μm
L/W=19.2-21.2
Omotsubo marsh
Tetta-cho
Okayama, 2004
Closterium kuetzingii
C. kuetzingii
270 x 17 μm
160 x 13 μm
L/W=12.5,15.9
Koigakubo marsh
Tessei-cho
Okayama, 2004
Closterium kuetzingii
C. kuetzingii
214 x 14 μm
L/W=15.3
Omotsubo marsh
Tetta-cho
Okayama, 2004
Closterium kuetzingii
C. kuetzingii
200 x 15 μm
205 x 14 μm
L/W=13.3, 14.6
Koigakubo marsh
Tessei-cho
Okayama, 2004
Closterium kuetzingii
C. kuetzingii
250 x 16 μm
L/W=15.6
Kashibaru marsh 3
Karatsu
Saga, 2006
Closterium kuetzingii
C. kuetzingii
270 x 15.5 μm
L/W=
Kashibaru marsh 4
Karatsu
Saga, 2006
Closterium kuetzingii
C. kuetzingii
μm
L/W=
Kashibaru m.2-2
Karatsu
Saga, 2008
Closterium
C. kuetzingii
300 x 16 μm
L/W=19
Uruguay, 1999
Similar species -->> C. setaceum; C. ralfsii;

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Closterium kuetzingii
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