Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
28863
| CA | | Colorado River | 1976 |
15030104
| Imperial Reservoir | established |
28579
| CA | | Pajaro River drainage | 1973 |
18060002
| Pajaro | established |
28862
| CA | | Pajaro River drainage | 1976 |
18060002
| Pajaro | collected |
1458935
| CA | | San Joaquin (HUC6) non-specific | 1986 |
18040000
| San Joaquin | established |
282188
| CA | | Santa Clara drainage | 1975 |
18070102
| Santa Clara | established |
28867
| CA | | Ulatis Creek in San Joaquin Valley | 1976 |
18020163
| Lower Sacramento | established |
28859
| CA | | Upper Klamath drainage | 1976 |
18010206
| Upper Klamath | established |
29519
| CA | | Upper Klamath drainage | 1993 |
18010206
| Upper Klamath | established |
28860
| CA | | Central Valley drainage | 1976 |
18020125
| Upper Yuba | established |
565017
| CA | Lake | Clear Lake | 1955 |
18020116
| Upper Cache | established |
565018
| CA | Lake | Clear Lake | 1995 |
18020116
| Upper Cache | established |
28861
| CA | Lake | Clear Lake drainage | 1976 |
18020116
| Upper Cache | established |
1740046
| CA | Los Angeles | [No locality description provided; coordinates obscured by collector] | 2024 |
18070105
| Los Angeles | |
259207
| CA | Los Angeles | Los Angeles River | 2007 |
18070105
| Los Angeles | established |
28864
| CA | Merced | Los Banos Creek in San Joaquin Valley | 1976 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
620804
| CA | Merced | Merced County | 1953 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
620805
| CA | Riverside | Colorado River, California | 1950 |
15030104
| Imperial Reservoir | established |
620803
| CA | Sacramento | Delta [general location] | 1953 |
18020163
| Lower Sacramento | established |
158300
| CA | San Francisco | Presidio of San Francisco Park | 1999 |
18050002
| San Pablo Bay | established |
1674480
| CA | San Luis Obispo | [No locality description provided] | 2020 |
18060005
| Salinas | |
1674597
| CA | Santa Barbara | [No locality description provided] | 2020 |
18060010
| Santa Ynez | |
1739566
| CA | Siskiyou | [No locality description provided] | 2024 |
18010207
| Shasta | |
163517
| CA | Solano | Suisun Marsh [wetlands between Grizzly Bay and Fairfield] | 2002 |
18050001
| Suisun Bay | established |
1729224
| CA | Ventura | [No locality description provided] | 2023 |
18070102
| Santa Clara | |
159779
| CA | Yolo | Yolo Bypass | 2001 |
18020163
| Lower Sacramento | established |