![Clump of garlic mustard growing in a forest.](/sites/default/files/styles/600_x_440_crop/public/2024-03/5560193-ppt.jpg?itok=Yb2ONCE0)
Invasives
Identification and Management
Selected Plants that Threaten Chicagoland Natural Areas: This guide provides information about invasive species in our region to aid in proper identification and management.
Invasive Plants in Gardens and Landscapes: This resource provides you with suggestions for native alternatives to common invasives.
Invasives Research with Extension: Learn about why and how we need to manage invasives in Illinois.
Invasive Alerts
Updated regularly to reflect the most up-to-date and relevant information
Jumping worms: A group of non-native earthworm species in the Amynthas and Metaphire genera. Learn about how to prevent the spread of jumping worm and manage invasions in your own garden.
Spotted lanternfly (Lycorma delicatula): An invasive insect which targets fruit, ornamental, and woody trees.
Garlic mustard (Alliaria petiolata): A highly invasive forb threatening Illinois forests.
Chaff flower (Achyranthes japonica): An invasive forb that is rapidly spreading throughout the Midwest.
![Clump of garlic mustard growing in a forest.](/sites/default/files/styles/600_x_440_crop/public/2024-03/5560193-ppt.jpg?itok=Yb2ONCE0)
![Spotted lanternfly on leaf.](/sites/default/files/styles/600_x_440_crop/public/2024-03/5626424-ppt.jpg?itok=V7DqbB09)
![Winged burning bush turning red in the fall.](/sites/default/files/styles/600_x_440_crop/public/2024-03/5510241-ppt.jpg?itok=f6kbrAWE)