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Chlorophyceae: Volvocales: Volvocaceae
Volvocida: Volvocina: Volvocidae

Pandorina morum
(Müller) Bory, 1824

Species: Cells 8-17 μm; colony 20-50 μm to 250 μm; 16 cells as a tight sphere within clear matrix (How to know the protozoa, 1979). Colony barrel-shaped, 8- or 16-celled; cells wedge-shaped; chloroplast longitudinally striated; colony 20-42 μm across, 60 μm long; cells 8-17 μm diam. (Illustrated Guide, 1985). Sexual reproduction by isogamy (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000). Sexual reproduction by iso- or anisogamy (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
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Cell contains only one pyrenoid
Pandorina
P. morum
col. 51 x 40 μm
Furuyakami
Kawagoe
Saitama, 2004
Pandorina morum
P. morum
col. 37 x 31 μm
Isa-numa
Kawagoe
Saitama, 2001
Pandorina
P. morum
col. 40 x 34 μm
Aina-shinsui Park
Kawagoe
Saitama, 2002
Pandorina
P. morum
col. 42 x 37 μm
cells μm
Kurihashi
Saitama, 2001
Pandorina morum
P. morum
col. μm
Shimo-yanagi
Showa
Saitama, 2003
Pandorina morum
P. morum
col. μm
Koyama River
Kodama
Saitama, 2003
Pandorina morum
P. morum
col. 37 x 33 μm
cells μm
Saitama, 1999
Pandorina
P. morum ?
col. 56 x 47 μm
cells μm
Saitama, 1999

P. morum ?
dividing cells
col. 30 x 25 μm
Binnuma river
Saitama, 2000
Movies
Pandorina morum
P. morum
col. μm
Shimo-takatsu
Tsuchiura
Ibaraki, 2003
Pandorina morum
P. morum
col. μm
Shimo-takatsu
Tsuchiura
Ibaraki, 2003
Pandorina morum
P. morum
col. 48 x 37 μm
cells μm
Matsumoto
Nagano, 2001
Pandorina
P. morum
st. Ngm-1, axenic
col. 46 x 39 μm
Matsumoto
Nagano, 2001
Pandorina
P. morum ?
col. 28 x 23 μm
cells μm
Tatebayashi
Gunma, 2001
Pandorina
P. morum ?
col. 46 x 40 μm
cells μm
Japan, 1998
Pandorina morum
P. morum ?
col. μm
cells μm
Zenko-ji
Nagano, 2003
Pandorina
P. morum ?
col. 41 x 34 μm
cells μm
Uruguay, 1999
Pandorina
P. morum ?
col. μm
Mizuko
Fujimi
Saitama, 2003
Pandorina morum
P. morum
col. 45 x 35 μm
Kawanago
Ishibashi
Tochigi, 2004
Pandorina morum
P. morum
& st. Skmo-4
col. 40 x 35 μm
Oh-asoh
Kumagaya
Saitama, 2004
Pandorina elegans
P. morum
col. μm
Benten-ike
Higashi-Murayama
Tokyo, 2004
Pandorina morum
P. morum
colony inversion
Tama river
Komae
Tokyo, 2004
Pandorina
P. morum
stock Gtap-1
col. 36 x 33 μm
Takasaki p.
Takasaki
Gunma, 2004
Pandorina
P. morum
col. 42 x 33 μm
col. 53 x 45 μm
Ranzan
Saitama, 2004
Pandorina
P. morum
col. 50 x 37 μm
Ranzan
Saitama, 2004
Pandorina
P. morum
col. 44 x 35 μm
Ikenokochi marsh
Tsuruga
Fukui, 2004
Pandorina morum
P. morum
col. 50 x 40 μm
Noda
Higashi-matsuyama
Saitama, 2004
Pandorina morum
P. morum
col. 46 x 38 μm
Shimo-muneoka
Shiki
Saitama, 2004
Pandorina morum
P. morum
col. 34 x 30 μm
Senuki
Nasu
Saitama, 2004
Pandorina
P. morum
col. 26 x 23 μm
Asa-kawa
Hachioji
Tokyo, 2005
Pandorina
P. morum ?
or P. colemaniae ?
col. 26 x 23 μm
Atago Park
Iruma
Saitama, 2005
Pandorina
P. morum
col. 37,57 x μm
Kowashimizu
Suwa
Nagano, 2005
Pandorina morum
P. morum
col. 45 x 38 μm
Heisei-no-mori p.
Kawajima
Saitama, 2006
Pandorina morum
P. morum
col. 40 x 34 μm
near Shinrin-koen
Namegawa
Saitama, 2006
Pandorina morum
P. morum
col. 33 x 30 μm
Koyama River
Honjo
Saitama, 2006

Similar genus -> > Yamagishiella

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Pandorina
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