| Country | Locality | Introduced | Year | Qualitative Value | Ref. |
|---|---|---|---|---|---|
| United States (contiguous states) | Gulf of Maine, inferred MA | - | very common | 84099 | |
| United States (contiguous states) | Gulf of Maine, inferred ME | - | very common | 84099 | |
| United States (contiguous states) | Gulf of Maine, inferred NH | - | very common | 84099 | |
| United States (contiguous states) | Gulf of Maine, n.e. | - | common | 84099 | |
| United States (contiguous states) | inferred from text MA (uncommon south of e. ME) | - | rare | 84118 | |
| United States (contiguous states) | inferred from text NH (uncommon south of e. ME) | - | rare | 84118 | |
| Canada | Maritimes, Bay of Fundy | - | common | 11710 | |
| United States (contiguous states) | ME, s. | - | rare | 84118 | |
| Canada | New Brunswick, NB | - | common | 11710 | |
| Canada | Nova Scotia | - | common | 11710 | |
| Canada | Nova Scotia, Gulf of Maine, Nova Scotia | - | very common | 84099 |