| Watershed | Sampling Method | Sample Date | Collector(s) | Determiner |
|---|---|---|---|---|
| Uncertain | observed | 1979-01-01 | SBratton | unknown/unspecified |
| Uncertain | observed | 1990-06-14 | SWiser | unknown/unspecified |
| Uncertain | observed | 1990-06-23 | SWiser | unknown/unspecified |
| Uncertain | observed | 1990-06-27 | SWiser | unknown/unspecified |
| Uncertain | observed | 1990-09-17 | KRLangdon | KRLangdon |
| Uncertain | observed | 1991-06-05 | KRLangdon | KLangdon |
| Uncertain | observed | 1992-08-26 | KRLangdon & NAMurdock | KRLangdon |
| Uncertain | observed | 1998-08-15 | CUlrey, MWhited & LBrenner | unknown/unspecified |
| Uncertain | observed | 1998-08-21 | CUlrey & MWhited | unknown/unspecified |
| Uncertain | observed | 2001-05-15 | MJenkins | unknown/unspecified |
| Uncertain | observed | 2001-05-16 | MJenkins | unknown/unspecified |
| Uncertain | observed | 2002-07-25 | TGovus & MPyne | unknown/unspecified |
| Uncertain | observed | 2005-09-17 | KLangdon | KRLangdon |
| West Prong Little Pigeon | observed | 2005-10-01 | DJohnson & Ohio Wesleyan University Students | Dabney Johnson |