Section [ Ornatae ]: Semicells circular, ellipsoid, reniform; cell surface granulated or spiny (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Google Image Search
| var. portianum: Semicells ellipsoidal; cell body 30-40 μm long | |||
C. portianum var. portianum ? 32 x μm Omine-numa Tsukiyono Gunma, 2003 |
C. portianum var. portianum ? 44 x 30 μm Omine-numa 6 Minakami Gunma, 2007  |
C. portianum var. portianum ? μm Omine-numa 5 Minakami Gunma, 2007 |
C. portianum var. portianum ? μm near Omine mt. Minakami Gunma, 2007 |
C. portianum var. portianum ? μm Ko-numa 2 Minakami Gunma, 2008 |
|||
C. portianum var. portianum ? 42 x 31 μm Ohnuma Nasu-shiobara Tochigi, 2007 |
C. portianum var. portianum 34 x 26 μm Numappara marsh Kuroiso Tochigi, 2003 |
C. portianum var. portianum 38 x 27 μm Numappara marsh 1 Nasu-shiobara Tochigi, 2007 |
C. portianum var. portianum μm Kareki-numa Nikko Tochigi, 2008 |
C. portianum var. portianum 33 x 28 μm Higashi-sano Hakuba Nagano, 2004 |
|||
| var. nephroideum: Semicells reniform or semi-elliptical; cell body 21-35 μm long | |||
C. portianum var. nephroideum 26 x 20 μm O-ike park Yabuki Fukushima, 2003 |
C. portianum var. nephroideum 26 x 21 μm Water reservoir Iiyama Nagano, 2008 |
||
| f. major: Semicells reniform; cell body (52)-66-79 μm long | |||
C. portianum f. major 55 x 41 μm Manzaki Narita Chiba, 2000 |
C. portianum f. major ? 46 x 35 μm Imou bog Toyohashi Aichi, 2004 |
C. portianum f. major ? 46 x 35 μm Imou bog Toyohashi Aichi, 2004 |
 |
