Rokugo T,
Nakasen T, Ota T, Senhata T, Tazawako T, Hiraka T |
Spring lines |
Aquatic plants |
Spring lines in Nakasen-machi
and Ota-machi |
Springs inhabited by Sparganium
species including S. japonicum and S. fallax as well
as Hippuris vulgaris and Samolus parviflorus, still
exist over a wide area. |