image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae

Cosmarium quadrifarium
P. Lundell

Section [Cristatae]: Cell surface granulated, gnarled or spiny; semicells half circle, half ellipsoid (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Cell body medium in size, broadly elliptical, 40-(45-48)-53 μm long, 32-(37-40)-44 μm wide, isthmus 14-(16-18)-21 μm wide; semicells semicircular in shape, basal corners right-angled, 6 lines of apically-truncated warts (about 14 warts in each line) present along their margins; 2 lines of warts or granules (upper 3 & lower 4) present at the center of the semicells (Illustrations of The Japanese Fresh-water Algae, 1977).
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
55 x 41 μm
Kenashitai
Hakkoda mountain
Aomori, 2005
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
55 x 43 μm
Tashirodaira m.6
Hakkoda mountain
Aomori, 2006
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
53 x 42 μm
Sensho-ga-hara 8
Shizukuishi
Iwate, 2007
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
μm
near Hachimantai mt.
Hachimantai
Iwate, 2007
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
x 41 μm
Mida-ga-hara
Gassan
Yamagata, 2005
Cosmarium
C. quadrifarium
f. hexasticha
50 x 39 μm
Mida-ga-hara
Gassan (mt.)
Yamagata, 2006
Cosmarium
C. quadrifarium
f. hexasticha
50 x 32 μm
Iroha-numa 3
Zao mountain
Yamagata, 2006
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
48 x 36 μm
Numappara marsh
Kuroiso
Tochigi, 2003
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
μm
Numappara m.4
Kuroiso
Tochigi, 2007
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
μm
Numappara m.1
Kuroiso
Tochigi, 2007
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
μm
Motoyu m.1
Nikko
Tochigi, 2008
Cosmarium
C. quadrifarium
f. hexasticha
51 x 40 μm
Oze-ga-hara
Katashina
Gunma, 2006
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
μm
Yokotashiro 1
Katashina
Gunma, 2007
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
46 x 33 μm
Omine-numa
Minakami
Gunma, 2006
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
50 x 39 μm
Omine-numa
Minakami
Gunma, 2007
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
52 x 41 μm
Shimo-muneoka
Shiki
Saitama, 2004
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
56 x 45 μm
Shijuhachi-ike
Shiga highland
Nagano, 2005
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
μm
Shijuhachi-ike
Shiga highland
Nagano, 2008
Cosmarium
C. quadrifarium
f. hexasticha
54 x 40 μm
50 x 41 μm
Shimo-no-koike
Shiga highland
Nagano, 2004
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
51 x 40 μm
Shimo-no-koike
Shiga highland
Nagano, 2005
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
51 x 40 μm
Tanohara marsh
Shiga highland
Nagano, 2006
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
60 x 47 μm
Tanohara marsh
Shiga highland
Nagano, 2007
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
49 x 38 μm
Ukishima marsh
Tsugaike highland
Nagano, 2005
Cosmarium
C. quadrifarium
f. hexasticha
50 x 40 μm
Ukishima marsh
Tsugaike highland
Nagano, 2006
Cosmarium
C. quadrifarium
f. hexasticha
49 x 36 μm
Maimeno-ike
Norikura highland
Nagano, 2006
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
55 x 43 μm
Karakemi marsh
Omachi
Nagano, 2006
Cosmarium
C. quadrifarium
f. hexasticha
μm
Midagahara
Tate-yama
Toyama, 2006
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
μm
n. Yamakado m.
Nishi-Azai
Shiga, 2008
Cosmarium quadrifarium
C. quadrifarium ?
f. hexasticha
52 x 40 μm
Kodanuki marsh
Fujinomiya
Shizuoka, 2005
Cosmarium quadrifarium
C. quadrifarium ?
f. hexasticha
52x36, 51x37 μm
Kodanuki marsh
Fujinomiya
Shizuoka, 2006
Cosmarium
C. quadrifarium
small var. ?
41-42 x 37-38 μm
Koigakubo marsh
Tessei-cho
Okayama, 2004
Cosmarium quadrifarium
C. quadrifarium
f. hexasticha
μm
Kashibaru m.II
Karatsu
Saga, 2008
Similar species -->> C. binum;

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