Illustration of Starry Stonewort (Nitellopsis obtusa), a green, branching macroalgae with smooth stems and branchlets that fork unevenly arranged in whorls. The image highlights the white star-shaped bulbils, structures that are found on clear filaments called rhizoids in the sediment. Includes a red banner urging viewers to report sightings to MISIN with a provided website link (https://www.misin.msu.edu/MISIN).
It's starry stonewort - an invasive "macroalga" (large algae) that resembles an aquatic plant. Many lakes - especially in southern Michigan - are facing infestations of starry stonewort, and control is proving difficult. So, remember to #CleanDrainDry gear to prevent its spread! #MacrophyteMonday