| antarctica | | desmarestia sp. smb-2003 | species | 2 | 0 |
| antarctica | | desmarestia sp. smb-2004 | species | 1 | 0 |
| antarctica | | himantothallus grandifolius | species | 25 | 0 |
| canada | british columbia | desmarestia dudresnayi | species | 32 | 0 |
| canada | manitoba | desmarestia sp. 1aculeata | species | 13 | 0 |
| canada | new brunswick | desmarestia sp. 1aculeata | species | 1 | 0 |
| canada | newfoundland and labrador | desmarestia sp. 1aculeata | species | 2 | 0 |
| canada | nova scotia | desmarestia sp. 1aculeata | species | 2 | 0 |
| china | | desmarestia antarctica | species | 3 | 0 |
| china | | desmarestia sp. | species | 6 | 0 |
| china | | desmarestia viridis | species | 15 | 0 |
| china | | himantothallus grandifolius | species | 2 | 0 |
| china | shandong | desmarestia viridis | species | 1 | 0 |
| germany | schleswig-holstein | desmarestia aculeata | species | 3 | 0 |
| germany | schleswig-holstein | desmarestia ligulata | species | 3 | 0 |
| germany | schleswig-holstein | desmarestia viridis | species | 3 | 0 |
| japan | | desmarestia sp. seto inland seas | species | 1 | 0 |
| united states | | desmarestia ligulata | species | 1 | 0 |
| united states | maine | desmarestia sp. 1aculeata | species | 1 | 0 |
| united states | rhode island | desmarestia sp. 1aculeata | species | 1 | 0 |