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FishNet 2
USGS NAS| HUC Code | Watershed Name | Occurrence | Source |
| 04020300 | Lake Superior | Current | NatureServe |
| 17010101 | Upper Kootenai | Current | NatureServe |
| 17010203 | Blackfoot | Current | NatureServe |
| 17010206 | North Fork Flathead | Current | NatureServe |
| 17010208 | Flathead Lake | Current | NatureServe |
| 17010209 | South Fork Flathead | Current | NatureServe |
| 17010211 | Swan | Current | NatureServe |
| 17010214 | Pend Oreille Lake | Current | NatureServe |
| 17010215 | Priest | Current | NatureServe |
| 17010216 | Pend Oreille | Current | NatureServe |
| 17010308 | Little Spokane | Current | NatureServe |
| 17020001 | Franklin D. Roosevelt Lake | Historic | NatureServe |
| 17020005 | Chief Joseph | Historic | NatureServe |
| 17020007 | Similkameen | Current | NatureServe |
| 17030001 | Upper Yakima | Current | NatureServe |
| 17110010 | Snoqualmie | Current | NatureServe |
| 17110012 | Lake Washington | Current | NatureServe |
| 17110013 | Duwamish | Current | NatureServe |
| 17110021 | Crescent-Hoko | Current | NatureServe |