Photo credit: Peter Lee

Photo credit: Peter Lee

Photo credit: Eric Mueller. This piece joins decorative marks with data in reflecting the recent aggressive invasion of Starry Stonewort in Minnesota lakes. Each cylinder represents a year from 2015 to 2018, and each line relates to a lake infected with starry stonework. Decorative dots and lines record other invasive species already present in the […]

Photo credit: Peter Lee. Dwarf Trout Lily (Erythronium propullans) is a spring ephemeral that is Minnesota endemic—it is only known to occur in three southeastern counties in the Cannon River Watershed. Its survival is threatened by loss of elm canopy, earthworm infestation, and invasive species such as garlic mustard.