| Watershed | Sampling Method | Sample Date | Collector(s) | Determiner |
|---|---|---|---|---|
| Abrams Creek | observed | 2002-12-29 | SHoyle | SHoyle |
| Abrams Creek | observed | 2008-04-02 | NMoore | NMoore |
| Abrams Creek | observed | 2010-10-26 | WBielenberg | WBielenberg |
| Uncertain | observed | 1998-01-01 | unknown | FAlsop |