| Impact ID | 4002 |
| Impact Type | Habitat Alteration |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Starry stonewort (Nitellopsis obtusa) becomes dense and forms “pillows” of biomass at various heights. |
| Reference | 19736 |
| Great Lakes Region | Yes |
| Cost | |
| Location | Michigan, USA |
