Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
255707
| MI | Allegan | Gibson Creek (Halfway Creek), entering Lake Michigan north of Saugatuck Dunes State Park | 1962 |
04050002
| Black-Macatawa | established |
255696
| MI | Allegan | Lake Michigan at mouth of Allegan 3 Creek, south of Saugatuck, MI | 1962 |
04050002
| Black-Macatawa | established |
255702
| MI | Allegan | Lake Michigan at mouth of Pier Cove Creek (Allegan 4 Creek), south of Saugatuck, MI | 1962 |
04050002
| Black-Macatawa | established |
255704
| MI | Allegan | Lake Michigan at mouth of Plummerville Creek (Allegan 5 Creek), south of Saugatuck, MI | 1975 |
04050002
| Black-Macatawa | established |
1321238
| MI | Allegan | Pier Cove, Lake Michigan, west of Fennville | 2016 |
04050002
| Black-Macatawa | established |
256162
| MI | Ottawa | Lake Michigan at mouth of Pigeon River, Port Sheldon, MI | 1962 |
04050002
| Black-Macatawa | established |
256270
| MI | Van Buren | Lake Michigan at Brandywine Creek, Palisades Park, MI | 1962 |
04050002
| Black-Macatawa | established |
256271
| MI | Van Buren | Lake Michigan at Rogers Creek, between South Have and Benton Harbor, MI | 1968 |
04050002
| Black-Macatawa | established |