Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
260203
| CA | Imperial | Trifolium Drain | 2001 |
18100204
| Salton Sea | established |
260202
| CA | Los Angeles | Big Tujunga Creek | 2001 |
18070105
| Los Angeles | established |
260201
| CA | Los Angeles | Haines Creek | 2001 |
18070105
| Los Angeles | established |
260209
| CA | Los Angeles | San Francisquito Creek, dam reach | 2001 |
18070102
| Santa Clara | established |
260205
| CA | Orange | Arroyo Trabuco | 2001 |
18070301
| Aliso-San Onofre | established |
260206
| CA | Orange | San Juan Creek | 2001 |
18070301
| Aliso-San Onofre | established |
260210
| CA | Riverside | Murrieta Creek at USGS gage. | 2001 |
18070302
| Santa Margarita | established |
260204
| CA | Riverside | San Jacinto Wash | 2001 |
18070202
| San Jacinto | established |
260207
| CA | Riverside | Santa Ana River at MWD Crossing | 2001 |
18070203
| Santa Ana | established |
260208
| CA | Riverside | Santa Ana River below Prado Dam | 2001 |
18070203
| Santa Ana | established |
260212
| CA | Riverside | Santa Margarita River at the gorge | 2001 |
18070302
| Santa Margarita | established |
260211
| CA | San Diego | Rainbow Creek | 2001 |
18070302
| Santa Margarita | established |
259858
| MI | Gogebic | Peter Lake, University of Notre Dame Environmental Research Center, Gogebic Co., MI, near WI border | 2001 |
04020102
| Ontonagon | collected |
291956
| WI | Vilas | Land O'Lakes | 2001 |
07070001
| Upper Wisconsin | unknown |