Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1672005
| MA | Middlesex | 103 Kingland Rd, Stow, MA, US | 2018 |
01070005
| Concord River | |
294516
| MA | Middlesex | Ashland Reservoir | 1998 |
01070005
| Concord River | established |
1675620
| MA | Middlesex | Batemans Pond, Concord, MA, US | 2020 |
01070005
| Concord River | |
1678912
| MA | Middlesex | Charter Oak Golf Course, Hudson, MA, US | 2020 |
01070005
| Concord River | |
294587
| MA | Middlesex | Farm Pond | 1998 |
01070005
| Concord River | established |
1672155
| MA | Middlesex | Hopkinton, MA, USA | 2019 |
01070005
| Concord River | |
294636
| MA | Middlesex | Lake Cochituate | 1998 |
01070005
| Concord River | established |
612372
| MA | Middlesex | Lake Williams, Marlborough | 1993 |
01070005
| Concord River | established |
1678290
| MA | Middlesex | Maynard, MA, USA | 2013 |
01070005
| Concord River | |
1679569
| MA | Middlesex | Millham Reservoir, Marlborough, MA, US | 2020 |
01070005
| Concord River | |
1676190
| MA | Middlesex | Muddy Ln, Marlborough, MA, US | 2020 |
01070005
| Concord River | |
1677882
| MA | Middlesex | Stow, MA, USA | 2012 |
01070005
| Concord River | |
1678294
| MA | Middlesex | Stow, MA, USA | 2013 |
01070005
| Concord River | |
1672859
| MA | Middlesex | Stow, MA, USA | 2019 |
01070005
| Concord River | |
294782
| MA | Middlesex | Whitehall Reservoir, Hopkinton | 1998 |
01070005
| Concord River | established |
875506
| MA | Middlesex | Williams Lake at sampling station F2M | 1993 |
01070005
| Concord River | established |
875030
| MA | Middlesex | Williams Lake at sampling station F5GA | 1993 |
01070005
| Concord River | established |
875145
| MA | Middlesex | Williams Lake at sampling station F5GB | 1993 |
01070005
| Concord River | established |
875036
| MA | Middlesex | Williams Lake at sampling station F6G | 1993 |
01070005
| Concord River | established |
875154
| MA | Middlesex | Williams Lake at sampling station F8S | 1993 |
01070005
| Concord River | established |
294512
| MA | Worcester | A-1 Site | 1998 |
01070005
| Concord River | established |
612425
| MA | Worcester | Assabet River, Westboro, Concord River drainage (below A-1 site) | 1988 |
01070005
| Concord River | established |
1672666
| MA | Worcester | Bolton, MA, USA | 2013 |
01070005
| Concord River | |
294551
| MA | Worcester | Chauncy Lake | 1998 |
01070005
| Concord River | established |
1678853
| MA | Worcester | Little Chauncy Pond, Northborough, MA, US | 2020 |
01070005
| Concord River | |