Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
164234
| CA | | state non-specific | 2002 |
18000000
| California Region | collected |
115802
| CA | San Francisco | Stowe Lake, Golden Gate Park | 1966 |
18050002
| San Pablo Bay | collected |
115642
| MA | Barnstable | Scusset Marshes, Sandwich | 1924 |
01090002
| Cape Cod | collected |
115643
| MA | Bristol | Slocum River, Dartmouth | 1968 |
32004100
| Virginian | collected |
115644
| MA | Essex | causeway to Plum Island, Ipswich | 1988 |
01070006
| Merrimack River | collected |
115645
| MA | Suffolk | Charles River, Boston, Suffolk County, near the Museum of Science | 1992 |
01090001
| Charles | collected |
115646
| MA | Suffolk | Logan Airport (outer shore) Boston Harbor | 1992 |
01090001
| Charles | collected |
156252
| PA | Delaware | Tinicum Marsh | 1966 |
02040202
| Lower Delaware | collected |