| rhizoclonium fractum | | Japan: Okinawa, Ichigaki Is., Miyara | | 1049305225 |
| rhizoclonium fractum | | Japan: Okinawa, Higashi, Kesaji | | 1049305223 |
| rhizoclonium fractum | | Japan: Okinawa, Nago, Oura | | 1049305222 |
| rhizoclonium fractum | | Japan: Okinawa, Ichigaki Is., Miyara | | 1049305221 |