| Impact ID | 7960 |
| Impact Type | Habitat Alteration |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | In 2008, the Great Lakes Indian Fish and Wildlife Commission (GLIFWC) reported that Echinochloa crus-galli (barnyard grass) was too common to map. |
| Reference | 24900 |
| Cost | |
| Location | |