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Ulvophyceae: Ulotrichales: Ulotrichaceae

Geminella pulchra
(Skuja) Ramanathan

Genus: Filamentous algae without branching, no rhizoids, covered with gelatinous sheath; cell body cylindrical or ellipsoidal, cells attached side by side or separated; a single chloroplast band-form, with a pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species: A linear short filament, straight or slightly curved, covered with a mucilagenous sheath having a radiating strands (only visible when stained); planktonic; cell body cylidrica, straight or slightly curved, both ends rounded, 8-10 μm long, 3-3.5 μm wide; a single chloroplast parietal, plate-like, extending at both ends, without pyrenoids; 1 or several granules present within vacuoles located at both ends of the cell (Photomicrographs of the Freshwater Algae, vol. 13 (1994).
Google Image Search
Geminella
G. pulchra ?
10-11 x 6 μm
Koma river
Sakado
Saitama, 2003
Geminella
G. pulchra ?
9 x 4.5-5 μm
Shikinawa-ike
Fukuoka, 2001
Geminella
G. pulchra ?
μm
Doman-green p.
Nishi-Urawa
Saitama, 2003
Geminella
G. pulchra ?
14-19 x 5 μm
Karasu-ga-mori p.
Nishi-nasuno
Tochigi, 2004
Geminella
G. pulchra ?
11-12 x 7.5 μm
Sue-machi
Fukuoka, 2001
xxxx
G. pulchra ?
11-16 x 6 μm
Kami-omino
Kawajima
Saitama, 2006
Geminella pulchra
G. pulchra
10-15 x 7 μm
Igashira park
Mooka
Tochigi, 2006
Geminella pulchra
G. pulchra
17 x 7 μm
Kodanuki marsh
Fujinomiya
Shizuoka, 2006
Geminella
G. pulchra
9-12 x 6.5 μm
Iroha-numa
Azuma Mt.
Yamagata, 2007
Geminella pulchra
G. pulchra
or Gloeotila ?
Maimeno-ike 2
Norikura highland
Nagano, 2007
Geminella pulchra
G. pulchra
or Gloeotila ?
10-19 x 5-9 μm
Ohnuma
Nasu-shiobara
Tochigi, 2006
Similar genera -->> Microspora; Klebsormidium;

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Geminella pulchra
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