| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
259326
| CA | San Joaquin | San Joaquin River at Stockton | 1946 |
18040003
| San Joaquin Delta | collected |
|
1437934
| CA | San Joaquin | w of Stockton (on Borden Highway) | 1946 |
18040003
| San Joaquin Delta | established |
|
852254
| OR | Lane | Florence | 1946 |
17100207
| Siltcoos | established |
|
1763777
| OR | Lane | Siltcoos Lake | 1946 |
17100207
| Siltcoos | |
|
243638
| OR | Lane | Siltcoos Lake, south of Florence, east of hwy 101 | 1946 |
17100207
| Siltcoos | collected |
|
234242
| TN | Knox | pond in barnyard about one mile E of Chapman HWY on E Ford Valley Road | 1946 |
06010107
| Lower French Broad | established |
|
234261
| VA | Arlington | Arlington, Allard's Fish pond located at 3000 7th N | 1946 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |