| 1 |
|
Sphaerastrum sp.1,
--- by Tsukii, Yuuji at Lab. of Biol., Hosei Univ. |
| 2 |
|
Sphaerastrum sp.2 (x 400),
--- by Tsukii, Yuuji at Lab. of Biol., Hosei Univ. |
| 3 |
|
Sphaerastrum sp.3 (x 400),
--- by Tsukii, Yuuji at Lab. of Biol., Hosei Univ. |