| Watershed | Sampling Method | Sample Date | Collector(s) | Determiner |
|---|---|---|---|---|
| Jonathan Creek (Purchase area) | observed | 2003-06-25 | JMays | JMays |
| Jonathan Creek (Purchase area) | observed | 2004-07-07 | JMays | JMays |
| Uncertain | unspecified | 1935-03-26 | CHShafer | DDeFoe |
| Uncertain | unspecified | 1935-06-21 | MSullivan | DDeFoe |
| Uncertain | unspecified | 1936-07-14 | FCEvans | DDeFoe |
| Uncertain | unspecified | 1938-03-21 | AStupka | DDeFoe |
| Uncertain | unspecified | 1988-06-07 | KWatson | KWatson |
| Uncertain | unspecified | 2001-08-18 | BGScholtens | BGScholtens |
| Uncertain | unspecified | 2002-06-09 | unknown | EAdams |