Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
876772
| MA | Essex | Kenoza at sampling station A | 1991 |
01070006
| Merrimack River | established |
876600
| MA | Essex | Kenoza at sampling station F | 1991 |
01070006
| Merrimack River | established |
876671
| MA | Essex | Kenoza at sampling station G | 1991 |
01070006
| Merrimack River | established |
876785
| MA | Essex | Kenoza at sampling station G | 1991 |
01070006
| Merrimack River | established |
876644
| MA | Essex | Kenoza at sampling station J | 1991 |
01070006
| Merrimack River | established |
876770
| MA | Essex | Kenoza at sampling station K | 1991 |
01070006
| Merrimack River | established |