Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1672169
| MA | Middlesex | Assabet River, Hudson, MA, US | 2015 |
01070005
| Concord River | |
1676548
| MA | Middlesex | Concord, MA, USA | 2009 |
01070005
| Concord River | |
1678610
| MA | Middlesex | Concord, MA, USA | 2019 |
01070005
| Concord River | |
1671262
| MA | Middlesex | Dike Trail Concord, MA 01742 | 2017 |
01070005
| Concord River | |
1672008
| MA | Middlesex | Dike Trail, Concord, MA 01742, USA | 2018 |
01070005
| Concord River | |
163915
| MA | Middlesex | Great Meadows National Wildlife Refuge, Concord | 2005 |
01070005
| Concord River | established |
1674512
| MA | Middlesex | Great Meadows National Wildlife Refuge, Concord, MA, US | 2020 |
01070005
| Concord River | |
1675179
| MA | Middlesex | Great Meadows National Wildlife Refuge, Concord, MA, US | 2020 |
01070005
| Concord River | |
1671898
| MA | Middlesex | Middlesex County, MA, US | 2018 |
01070005
| Concord River | |
1674368
| MA | Middlesex | Monsen Rd, Concord, MA 01742, USA | 2005 |
01070005
| Concord River | |
1672144
| MA | Middlesex | stow ma | 2015 |
01070005
| Concord River | |
1671428
| MA | Middlesex | Stow, MA, USA | 2014 |
01070005
| Concord River | |