| canada | | rhodomela confervoides | species | 1 | 0 |
| canada | manitoba | rhodomela lycopodioides | species | 28 | 0 |
| canada | manitoba | rhodomela sp. gws005714 | species | 26 | 0 |
| canada | new brunswick | rhodomela lycopodioides | species | 8 | 0 |
| canada | newfoundland and labrador | rhodomela lycopodioides | species | 15 | 0 |
| canada | nova scotia | rhodomela lycopodioides | species | 13 | 0 |
| canada | nova scotia | rhodomela sp. 1confervoides | species | 1 | 0 |
| canada | prince edward island | rhodomela lycopodioides | species | 28 | 0 |
| canada | prince edward island | rhodomela sp. 1confervoides | species | 1 | 0 |
| canada | quebec | rhodomela lycopodioides | species | 4 | 0 |
| france | bretagne region | rhodomela confervoides | species | 7 | 0 |
| norway | hordaland county | rhodomela confervoides | species | 1 | 0 |
| norway | hordaland county | rhodomela lycopodioides | species | 1 | 0 |
| united kingdom | wales | rhodomela confervoides | species | 2214 | 0 |
| united states | california | rhodomela sp. 1cal | species | 2 | 0 |
| united states | maine | rhodomela lycopodioides | species | 3 | 0 |
| united states | maine | rhodomela sp. 1confervoides | species | 2 | 0 |
| united states | massachusetts | rhodomela lycopodioides | species | 2 | 0 |
| united states | rhode island | rhodomela lycopodioides | species | 1 | 0 |