Southeastern Wisconsin Invasive Species Consortium, Inc.


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Japanese Stiltgrass Alert!

A population of Japanese stiltgrass (Microstegium vimineum) was recently discovered in in Northeast Illinois.  This plant is considered one of the most aggressive invaders in the forests of Southern Illinois and has never before been found this far north, although suitable habitat for this invasive grass exists throughout Illinois. Fortunately, steps are being taken to control this population.  Click here for more information on identifying stiltgrass:

Japanese Stiltgrass.pdf
1.23 MB
11/09/2015 11:31:00

This species spreads quickly and is likely to show up in high-use areas such as campgrounds, picnic areas, trailheads, etc.  Finding and controlling any new populations before they become well established is crucial to management.  Please keep a look out for this species in the SEWISC region and if you find a suspect population report it to: or use our contact page.