| Impact ID | 4020 |
| Impact Type | Predation/Herbivory |
| Study Type | Anecdotal |
| Study Location | Field |
| Impact Description | In its introduced range, starry stonewort (Nitellopsis obtusa) peaks in biomass in late fall/early winter after much of the other local vegetation has subsided. Thus, starry stonewort (Nitellopsis obtusa) could provide an important source of food and habitat for overwintering species. |
| Reference | 35575 |
| Cost | |
| Location | St. Lawrence River, Detroit River System, USA |