| Watershed | Sampling Method | Sample Date | Collector(s) | Determiner |
|---|---|---|---|---|
| East Prong Little River | observed | 2012-07-03 | KRLangdon & CALangdon | KLangdon |
| Middle Prong Little River | observed | 2007-08-23 | JPLove | DRSmith |
| Uncertain | unspecified | 1942-10-01 | AStupka | unknown/unspecified |
| Uncertain | unspecified | 1987-09-25 | KRLangdon | KWatson |
| Uncertain | unspecified | 1993-09-12 | KRLangdon | KRLangdon |
| Uncertain | unspecified | 1996-08-16 | KRLangdon | DDeFoe |
| Uncertain | unspecified | 2006-08-13 | CCheri | BGScholtens |
| West Prong Little River | Aerial net | 2008-06-23 | JPLove | JPLove |