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FishNet 2
USGS NAS| HUC Code | Watershed Name | Occurrence | Source |
| 18020103 | Sacramento-Lower Thomes | Current | NatureServe |
| 18020104 | Sacramento-Stone Corral | Current | NatureServe |
| 18020105 | Lower Butte | Current | NatureServe |
| 18020106 | Lower Feather | Current | NatureServe |
| 18020107 | Lower Yuba | Current | NatureServe |
| 18020108 | Lower Bear | Current | NatureServe |
| 18020109 | Lower Sacramento | Current | NatureServe |
| 18020110 | Lower Cache | Historic | NatureServe |
| 18020111 | Lower American | Current | NatureServe |
| 18020119 | Mill-Big Chico | Current | NatureServe |
| 18030012 | Tulare-Buena Vista Lakes | Historic | NatureServe |
| 18040001 | Middle San Joaquin-Lower Chowchilla | Historic | NatureServe |
| 18040002 | Middle San Joaquin-Lower Merced- Lower Stanislaus | Current | NatureServe |
| 18040003 | San Joaquin Delta | Current | NatureServe |
| 18040004 | Lower Calaveras-Mormon Slough | Current | NatureServe |
| 18040005 | Lower Consumnes-Lower Mokelumne | Current | NatureServe |
| 18040014 | Panoche-San Luis Reservoir | Current | NatureServe |
| 18050001 | Suisun Bay | Current | NatureServe |
| 18050002 | San Pablo Bay | Current | NatureServe |
| 18050004 | San Francisco Bay | Current | NatureServe |