Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
213658
| CA | Nevada | along stream banks from Grass Valley to Nevada City | 1966 |
18020126
| Upper Bear | established |
1436402
| CA | Nevada | Bear River Access nr. Auburn. | 1992 |
18020126
| Upper Bear | established |
1436450
| CA | Nevada | creek bed and irrigation ditch along Gautier Rd. | 1991 |
18020126
| Upper Bear | established |
1436394
| CA | Nevada | Hwy btwn Grass Valley and Nevada City, roadside ditch. | 1965 |
18020126
| Upper Bear | established |
620041
| CA | Nevada | Nevada County | 1968 |
18020126
| Upper Bear | established |
1436356
| CA | Nevada | S/side Hwy 20 to Nevada City 1.2 mi E/Grass Valley. 2500 ft. el. | 1964 |
18020126
| Upper Bear | established |
1436421
| CA | Placer | Bear River Access scattered along river. Also in sec 32. Report only, no confirming specimen. | 1992 |
18020126
| Upper Bear | established |
1436444
| CA | Placer | both sides of Bear River, Placer and Nevada counties. Report only, no confirming specimen. | 1992 |
18020126
| Upper Bear | established |
1437166
| CA | Placer | South Auburn St along Bunch Creek near I-80 W-bound. | 2003 |
18020126
| Upper Bear | established |
1436368
| CA | Yuba | Bear River region. Not seen in 1982 survey. | 1975 |
18020126
| Upper Bear | established |
1436363
| CA | Yuba | Dry Creek btwn 40 Mile Rd and Hwy 70. | 1993 |
18020126
| Upper Bear | established |