image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae or Closteriaceae

Closterium ehrenbergii
Meneghinii ex Ralfs 1848

Species [var. ehrenbergii]: Cell body large, swelled at the center (inner-side straight or slightly convex), 230-(384-416)-880 μm long, 44-(64-84)-170 μm wide, L/W=4-6; cell wall smooth, colorless, bands absent; chloroplasts with 4-7 laminae, with many pyrenoids scattered.
[ var. atumidum Grönblad ]: Inner side not convex, (416-508)-560 μm long, (60-69)-72 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).
[ var. podolicum Gutwinski ]: Both ends slightly recurved, 382 μm long, 86 μm wide. (Photomicrographs of the Freshwater Algae, vol.9, 1989).
[ var. malinvernianum (De Notaris) Rabenhorst ]: Cell wall lined (10-12 striae/10 μm), brownish in color; 265-520 μm long, 52-75 μm wide, L/W=4-7.
[ var. michailovskoense Elenkin ]: Cell wall dotted (ibid., vol.4, 1985).
Google Image Search
var. ehrenbergii: Cell wall smooth, girdle bands absent
Closterium ehrenbergii
v. ehrenbergii
540-580 x 71-88 μm
L/W=6.9-7.6
Onnenai
Kushiro marsh
Hokkaido, 2005
Closterium ehrenbergii
v. ehrenbergii
560 x 101 μm
L/W=5.5
Onnenai
Kushiro marsh
Hokkaido, 2005
Closterium ehrenbergii
v. ehrenbergii
560 x 101 μm
L/W=6.6
drainage ditch
Urawa
Saitama, 2005
Closterium ehrenbergii
v. ehrenbergii
520 x 102 μm
L/W=5.1
Lake Shirakaba
Tateshina & Chino
Nagano, 2004
Closterium
v. ehrenbergii
480 x 88 μm
L/W=5.5
Suga-daira m.
Ueda
Nagano, 2006
Closterium ehrenbergii
v. ehrenbergii
520 x 86 μm
L/W=6.0
Oyomi marsh
Hakuba
Nagano, 2004
Closterium ehrenbergii
v. ehrenbergii
μm
L/W=
pond near R272
Minakami
Gunma, 2008
Closterium ehrenbergii
v. ehrenbergii
500 x 72 μm
L/W=6.9
Okubo-cho
Ashikaga
Tochigi, 2003
Closterium
v. ehrenbergii
490 x 64 μm
L/W=7.7
Okubo-cho
Ashikaga
Tochigi, 2003
Closterium ehrenbergii
v. ehrenbergii
480-520 x 90-96 μm
L/W=5.3-5.4
Ichinose-enchi
Norikura highland
Nagano, 2005
Closterium ehrenbergii
v. ehrenbergii
x μm
L/W=
Azami-ike 1
Norikura highland
Nagano, 2007
Closterium
v. ehrenbergii
425 x 78 μm
L/W=5.4
Uruguay, 1999
Movies
Closterium
v. ehrenbergii
μm
L/W=
Sanda
Hyogo, 2001
Closterium
v. ehrenbergii ?
500 x 86 μm
Seseragi marsh
Shiga highland
Nagano, 2004
Intermediate ?
Closterium
v. ehrenbergii
436 x 74 μm
Ikenokochi marsh
Tsuruga
Fukui, 2004
Closterium ehrenbergii
v. ehrenbergii
420 x 70 μm
Yoshi-numa
Nasu-shiobara
Tochigi, 2006
Closterium ehrenbergii
v. ehrenbergii ?
μm
L/W=
Konpira bridge
Shirakawa
Fukushima, 2003
Closterium ehrenbergii
v. ehrenbergii
288 x 43 μm
Izumi 741
Namegawa
Saitama, 2004
Closterium ehrenbergii
v. ehrenbergii
454 x 66 μm
Naruto-Togane
Sanmu
Chiba, 2006
Closterium ehrenbergii
v. ehrenbergii
570 x 87 μm
Ukima Park
Kita/Itabashi
Tokyo, 2006
var. atumidum: Inner side not convex; 416-560 x 60-72 μm
Closterium
v. atumidum
650 x 73 μm
L/W= 9.8
curvature strong
Musashi-Urawa
Saitama, 2001
Closterium
v. atumidum
525 x 70 μm
L/W=7.5
curvature strong
Narita
Chiba, 2000
Closterium ehrenbergii
v. atumidum
568 x 60 μm
L/W=9.5
Aizu Recreation p.
Aizuwakamatsu
Fukushima, 2005
Closterium ehrenbergii
v. atumidum
472 x 77 μm
L/W=6.1
Numa-no-hara m.
Madarao highland
Niigata, 2005
Closterium
v. atumidum ?
430 x 52 μm
L/W=8.3
Senuki
Nasu
Tochigi, 2004
Closterium ehrenbergii
v. atumidum ?
608 x 76 μm
L/W=8.0
Toneri Park
Adachi-ku
Tokyo, 2006
var. ???:
Closterium
v. podolicum ?
275 μm
L/W=4.5
Uruguay, 1999
Closterium
C. ehrenbergii ?
or C. moniliferum ?
250 μm
L/W=6.1
Tochigi, 2000
Closterium ehrenbergii
C. ehrenbergii
or C. moniliferum ?
275 μm
Senjo-ga-hara
Nikko
Tochigi, 2003
Closterium
C. ehrenbergii ?
or C. moniliferum ?
209 μm
L/W=5.8
Tochigi, 2000
Similar species -->> C. moniliferum; C. lunula;

Please click on species name for more images.
Closterium ehrenbergii
Copyright Protist Information Server