Central and South America
Forms dense thickets which invades agricultural areas, roadsides, trails, along streams, and other disturbed sites. Can crowd out native plant species. Listed as a Category II invasive species by the Florida Exotic Pest Plant Council (FLEPPC).
Wedelia is a mat forming perennial herb with rounded stems. Leaves are 2 to 4 inches long and 1 to 5 inches wide, with irregularly toothed margins. Flowers are yellow-orange in color with 8-13 florets, forming solitary heads near the stem tips (Center for Aquatic and Invasive Plants, IFAS). Recently renamed from Wedelia trilobata to Sphagneticola trilobata.
Look for yellow-orange flowers on hairy stems.
Introduced to Florida in the early 1900s.
Found throughout the state of Florida, mainly central and southern.
Do not plant in the landscape and remove existing plants by the root.