starry stonewort

Since first found in MN in 2015, starry stonewort has been confirmed in 35 water bodies. It can form dense mats, interfering with recreational uses and competing with native plants.

Participants statewide will be assigned up to five public accesses to search for starry stonewort as well as other aquatic invasive species on Saturday, Aug. 9, 2025.

An upcoming "Starry Trek" event enlists citizen scientists to search for the invasive macroalgae, which creates dense mats and is confirmed in 30 Minnesota water bodies.

Lake Winnibigoshish and zebra mussels were the main topics of a public meeting held by the Minnesota DNR in Grand Rapids this week. Lake Winnibigoshish…