iDigBio.org
GBIF.org
iNaturalist.org
NANFA
FishNet 2
USGS NAS| HUC Code | Watershed Name | Occurrence | Source |
| 17100207 | Siltcoos | Current | NatureServe |
| 17100301 | North Umpqua | Current | NatureServe |
| 17100302 | South Umpqua | Current | NatureServe |
| 17100303 | Umpqua | Current | NatureServe |