
A mat of Japanese stiltgrass in Rock County, Wisconsin, in July 2025. / Photo Credit: John Zaborsky, University of Wisconsin-Madison Renz Weed Science Lab
By Wisconsin DNR
Thanks to the help of eagle-eyed observers across southern Wisconsin, the harmful invasive plant Japanese stiltgrass (Microstegium vimineum) has now been detected in three additional counties. That brings the total number of Wisconsin counties to five.
The most recent detections of the non-native, annual grass came in Dane, Grant and Walworth counties. The Dane County find was in Middleton, northwest of Madison; in Grant County, it was found southeast of Wyalusing State Park; in Walworth County, it was found north of Geneva Lake.
Continue reading “Invasive Japanese Stiltgrass Detected In Three More Counties”


Trees grow, change and like all living things, eventually decline or die. Sometimes trees are removed from urban areas due to safety concerns, tree health or insufficient space. But when these urban and community trees are viewed not as waste, but as a valuable material resource, their story doesn’t end – it continues.
Do you have a tree inventory but have a hard time keeping it up to date? Or are you interested in inventorying trees from scratch?
Wheels to Woods is a school to forest or forestry-related field trip transportation grant program supported and administered by the WI Society of American Foresters DEI Committee.

