Genus: Trichome without mucous sheath; straight, long, consisting of numerous cells (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Trichome straight, without constriction at cell-cell junction, 15-20 μm wide (cf. O. curviceps, 10-17 μm); cell body short, 3-5 μm long, L/W=1/6-1/3 (0.16-0.33) ; granules present along septum; terminal cells semielliptical, with thickened cell wall (Illustrations of the Japanese Fresh-water Algae, 1977).

Google Image Search

O. limosa 18 μm diam. L/W=0.19-0.39 Tama river Chofu Tokyo, 2004	O. limosa 18 μm diam. Japan, 199?	O. limosa 17 μm diam. L/W=0.21 Kitayama park Higashi-Murayama Tokyo, 2004	O. limosa 19 μm diam. Izumo Shrine Izumo Shimane, 2006
O. limosa 16-17 μm diam. L/W=0.16-0.32 Furu-tone river Kasukabe Saitama, 2004	O. limosa 15-17 μm diam. L/W=0.15-0.29 Sendabori Chiba, 2002	O. limosa 2-4 x 17 μm diam. Asa-kawa Hachioji Tokyo, 2005	O. limosa 3-6 x 17 μm diam. L/W=0.2-0.4 Dewa Park Koshigaya Saitama, 2006
O. limosa 3.5-7.0 x 17 μm diam. L/W=0.2-0.4 Oura central park Oura town Gunma, 2006	O. limosa 16 μm diam. Saitama, 1999	O. limosa 2.5-4.5 x 16 μm diam. Owada Park Saitama, 2005	O. limosa 4.5 x 16 μm diam. L/W=0.3 Kitamoto n.o.p. Kitamoto Saitama, 2006
O. limosa 2.5-4.5 x 15 μm diam. Demaru-nakago Kawajima Saitama, 2005	O. limosa 2.5-5 x 15 μm diam. Shide-numa Kita-kawabe Saitama, 2005	O. limosa ? 13.5 μm diam. Daidarabotchi-ike Iizuna-kogen Nagano, 2003	O. limosa ? 12 μm diam. L/W=0.20 Kashiwa Chiba, 2002
O. limosa 14 μm diam. L/W=0.25-0.45 Sano Hakuba Nagano, 2004	O. limosa 14 μm diam. L/W=0.14-0.29 Sakitama-kofun p. Gyoda Saitama, 2006	O. limosa 4-8 x 14 μm diam. L/W=0.3-0.6 Satsunai river Obihiro Hokkaido, 2005	O. limosa 2.5-6.0 x 16.5 μm diam. Aina-shinsui p. Kawagoe Saitama, 2005
O. limosa ? 2.5-3.0 x 13 μm diam. near Town Hall Shobu Saitama, 2005	O. limosa ? 3.0 x 13 μm diam. Kawaguchi Natural p. Kawaguchi Saitama, 2005

Please click on species name for more images.

Copyright Protist Information Server