Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1708267
| CA | Fresno | [No locality description provided] | 2020 |
18040001
| Middle San Joaquin-Lower Chowchilla | |
234571
| CA | Fresno | Irrigation ditch 2 miles SE of Firebaugh | 1999 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
1437569
| CA | Fresno | San Joaquin River ca. 2 miles southeast (upstream) from Firebaugh | 1999 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
1701824
| CA | Madera | [No locality description provided; coordinates obscured by collector] | 2022 |
18040001
| Middle San Joaquin-Lower Chowchilla | |
231733
| CA | Madera | abandoned gravel pits along the San Joaquin River bed, SW of Hwy 99 | 1976 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
1675297
| CA | Merced | [No locality description provided] | 2020 |
18040001
| Middle San Joaquin-Lower Chowchilla | |
1676247
| CA | Merced | [No locality description provided] | 2020 |
18040001
| Middle San Joaquin-Lower Chowchilla | |
1679511
| CA | Merced | [No locality description provided] | 2020 |
18040001
| Middle San Joaquin-Lower Chowchilla | |
1676900
| CA | Merced | [No locality description provided] | 2021 |
18040001
| Middle San Joaquin-Lower Chowchilla | |
1709306
| CA | Merced | [No locality description provided] | 2022 |
18040001
| Middle San Joaquin-Lower Chowchilla | |
1439773
| CA | Merced | 1 mi w of Los Banos | 1948 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
1439677
| CA | Merced | 2 mi n of Los Banos (Los Banos Wildlife Refuge); Los Banos Wildlife Refuge | 1948 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
1438733
| CA | Merced | Great Valley Grasslands State Park (encompasses the former Fremont Ford State Recreation Area). South of the town of Stevinson, 1 mi. south of Hwy 140 on Hwy 165. | 1995 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
232764
| CA | Merced | Los Banos | 1948 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
232763
| CA | Merced | Los Banos | 1948 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
232824
| CA | Merced | Merced | 1976 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
241947
| CA | Merced | Salt Slough, San Luis National Wildlife Refuge on W side San Joaquin (Great Valley Grasslands State Park) | 1970 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
241948
| CA | Merced | San Luis Wildlife Refuge | 1995 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |