| Citation | Gosner, K.L., 2015 A Field Guide to the Atlantic Seashore: from the Bay of Fundy to Cape Hatteras. Houghton Mifflin Harcourt, 352 p. |
| Ref. | 113880 Gosner, K.L., 2015 |
| Page | 30 |
| Named Used as Valid | Leathesia difformis |
| Locality | |
| Distribution | Northwest Atlantic. |