iDigBio.org
GBIF.org
iNaturalist.org
NANFA
FishNet 2
USGS NAS| HUC Code | Watershed Name | Occurrence | Source |
| 05140206 | Lower Ohio | Historic | NatureServe |
| 07110009 | Peruque-Piasa | Current | NatureServe |
| 07140101 | Cahokia-Joachim | Current | NatureServe |
| 07140105 | Upper Mississippi-Cape Girardeau | Current | NatureServe |
| 07140106 | Big Muddy | Historic | NatureServe |
| 08010100 | Lower Mississippi-Memphis | Current | NatureServe |
| 08010202 | Obion | Current | NatureServe |
| 08020100 | Lower Mississippi-Helena | Current | NatureServe |
| 08020201 | New Madrid-St. Johns | Current | NatureServe |
| 08020203 | Lower St. Francis | Historic | NatureServe |
| 08030100 | Lower Mississippi-Greenville | Current | NatureServe |
| 08030206 | Upper Yazoo | Current | NatureServe |
| 08030207 | Big Sunflower | Current | NatureServe |
| 08030209 | Deer-Steele | Historic | NatureServe |
| 08040301 | Lower Red | Historic | NatureServe |
| 08060100 | Lower Mississippi-Natchez | Current | NatureServe |
| 08070100 | Lower Mississippi-Baton Rouge | Current | NatureServe |
| 08080101 | Atchafalaya | Current | NatureServe |
| 08080103 | Vermillion | Historic | NatureServe |
| 08090100 | Lower Mississippi-New Orleans | Current | NatureServe |
| 08090203 | Eastern Louisiana Coastal | Historic | NatureServe |
| 10030203 | Marias | Current | NatureServe |
| 10040101 | Bullwhacker-Dog | Current | NatureServe |
| 10040103 | Judith | Current | NatureServe |
| 10040104 | Fort Peck Reservoir | Current | NatureServe |
| 10050012 | Lower Milk | Current | NatureServe |
| 10060001 | Prairie Elk-Wolf | Current | NatureServe |
| 10060002 | Redwater | Current | NatureServe |
| 10060003 | Poplar | Current | NatureServe |
| 10060005 | Charlie-Little Muddy | Current | NatureServe |
| 10090209 | Lower Powder | Current | NatureServe |
| 10100001 | Lower Yellowstone-Sunday | Current | NatureServe |
| 10100004 | Lower Yellowstone | Current | NatureServe |
| 10100005 | O Fallon | Current | NatureServe |
| 10110101 | Lake Sakakawea | Current | NatureServe |
| 10110205 | Lower Little Missouri | Current | NatureServe |
| 10130101 | Painted Woods-Square Butte | Current | NatureServe |
| 10130102 | Upper Lake Oahe | Current | NatureServe |
| 10130104 | Beaver | Current | NatureServe |
| 10130105 | Lower Lake Oahe | Current | NatureServe |
| 10130206 | Lower Cannonball | Current | NatureServe |
| 10140101 | Fort Randall Reservoir | Current | NatureServe |
| 10140103 | Medicine Knoll | Historic | NatureServe |
| 10150007 | Lower Niobrara | Current | NatureServe |
| 10160011 | Lower James | Current | NatureServe |
| 10170101 | Lewis and Clark Lake | Current | NatureServe |
| 10200202 | Lower Platte | Current | NatureServe |
| 10220003 | Lower Elkhorn | Current | NatureServe |
| 10230001 | Blackbird-Soldier | Current | NatureServe |
| 10230006 | Big Papillion-Mosquito | Current | NatureServe |
| 10240001 | Keg-Weeping Water | Current | NatureServe |
| 10240004 | Nishnabotna | Current | NatureServe |
| 10240005 | Tarkio-Wolf | Current | NatureServe |
| 10240011 | Independence-Sugar | Current | NatureServe |
| 10270104 | Lower Kansas, Kansas | Historic | NatureServe |
| 10280101 | Upper Grand | Current | NatureServe |
| 10280203 | Little Chariton | Historic | NatureServe |
| 10300101 | Lower Missouri-Crooked | Current | NatureServe |
| 10300102 | Lower Missouri-Moreau | Current | NatureServe |
| 10300200 | Lower Missouri | Current | NatureServe |