iDigBio.org
GBIF.org
iNaturalist.org
NANFA
FishNet 2
USGS NAS| HUC Code | Watershed Name | Occurrence | Source |
| 17090002 | Coast Fork Willamette | Current | NatureServe |
| 17100206 | Siuslaw | Current | NatureServe |
| 17100207 | Siltcoos | Current | NatureServe |
| 17100301 | North Umpqua | Current | NatureServe |
| 17100302 | South Umpqua | Current | NatureServe |
| 17100303 | Umpqua | Current | NatureServe |
| 17100308 | Middle Rouge | Current | NatureServe |
| 17100309 | Applegate | Current | NatureServe |
| 17100310 | Lower Rouge | Current | NatureServe |
| 17100311 | Illinois | Current | NatureServe |