| Watershed | Sampling Method | Sample Date | Collector(s) | Determiner |
|---|---|---|---|---|
| Abrams Creek | scraping | 2001-05-24 | BGSU/JCU Collecting Team | unknown/unspecified |
| Abrams Creek | unspecified | 1977-06-09 | unknown | unknown |
| Abrams Creek | unspecified | 1977-09-06 | unknown | unknown |
| Cosby Creek | unspecified | 1981-07-16 | EDKeithan | Elaine Keithan |
| Cosby Creek | unspecified | 1981-09-16 | EDKeithan | Elaine Keithan |
| Cosby Creek | unspecified | 1981-11-16 | EDKeithan | Elaine Keithan |
| Cosby Creek | unspecified | 1982-03-16 | EDKeithan | Elaine Keithan |
| Cosby Creek | unspecified | 1982-05-16 | EDKeithan | Elaine Keithan |
| East Prong Little River | unspecified | 1981-07-16 | EDKeithan | Elaine Keithan |
| East Prong Little River | unspecified | 1981-09-16 | EDKeithan | Elaine Keithan |
| East Prong Little River | unspecified | 1981-11-16 | EDKeithan | Elaine Keithan |
| East Prong Little River | unspecified | 1982-03-16 | EDKeithan | Elaine Keithan |
| East Prong Little River | unspecified | 1982-05-16 | EDKeithan | Elaine Keithan |
| Middle Prong Little Pigeon | unspecified | 1977-09-04 | unknown | unknown |
| Middle Prong Little River | unspecified | 1977-09-06 | unknown | unknown |
| Uncertain | scraping | 2001-05-20 | BGSU/JCU Collecting Team | unknown/unspecified |
| Uncertain | scraping | 2001-05-23 | BGSU/JCU Collecting Team | unknown/unspecified |
| Greenbriar Creek | unspecified | 2004-07-01 | unknown/unspecified | Jeff Johansen |