Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
115785
| AZ | Maricopa | Papago Park ponds, Phoenix | 1997 |
15060106
| Lower Salt | collected |
115786
| AZ | Maricopa | Papago Park ponds, Phoenix | 1997 |
15060106
| Lower Salt | collected |
643608
| CA | Imperial | Imperial Reservoir dam (at trash rack) | 2014 |
15030104
| Imperial Reservoir | unknown |
156091
| CA | Sacramento | Elk Grove | 1976 |
18020163
| Lower Sacramento | collected |
266084
| CA | Sacramento | Laguna Creek, near Central Valley State Fish Hatchery, near Elk Grove (historic location, hatchery no longer exists) | 1968 |
18020163
| Lower Sacramento | failed |
1712296
| CA | Sonoma | Lake Ralphine, Howarth Memorial Park | 2023 |
18010110
| Russian | |
156089
| DC | District of Columbia | Reflecting Pool, Mall area | 1994 |
02070010
| Middle Potomac-Anacostia-Occoquan | collected |
156090
| MI | Berrien | St Joseph River | 1999 |
04050001
| St. Joseph | collected |
1704293
| MI | Berrien | St. Joseph River at Niles, MI | 1999 |
04050001
| St. Joseph | |
615187
| OR | Crook | Prineville Reservoir | 2013 |
17070304
| Upper Crooked | failed |
238468
| PR | Rio Grande | Espiritu Santo Natural Reserve | 2007 |
21010005
| Eastern Puerto Rico | collected |
1651124
| VA | Fairfax | Pond in a residential area, Fairfax County, VA. | 2020 |
02070010
| Middle Potomac-Anacostia-Occoquan | failed |