Lesser Celandine (Ranunculus ficaria) is an escaped European garden plant that has spread rapidly in a few areas in Southeastern Wisconsin, where it eliminates wildflowers and alters forests. You can help by controlling this plant on your property if it is present, and encouraging your neighbors to do the same. More information on lesser celandine is below.
More information below on Lesser celandine and other invasive species. Included is a link to the 3-4-21 webinar, Take Action to Keep Our Lakes Healthy, including a recording as well as presenters slides and information sheets.
- Take Action to Keep Our Lakes Healthy webinar
- Additional resources
- WI DNR Invasive Species
- Wisconsin First Detector Network
- Great Lakes Early Detection Network (GLEDN) App Guide
- Saving our Waters: Protect your Wetlands from Invasive Phragmites
- DNR’s Invasive Plant Publications Catalog
- A Field Guide to Invasive Plants in Wisconsin
- Lesser Celandine (Walworth County) flyer – English
- Lesser Celandine flyer – Spanish version
- Southeastern Wisconsin Invasive Species Consortium (SEWISC) Links to Resources
- Minnesota Wildflowers