Department of Natural Resources
waterclover Marsilea quadrifolia
Waterclover may be found in ponds, streams and roadside ditches.
Resembling four-leaf clovers on long, thin stalks, these aquatic plants
are ferns. Waterclover is used in water gardens and horticultural plantings
and has escaped to the wild. It competes with native plants in both aquatic
and moist terrestrial habitats. Waterclover has been established in the
northeastern United States for more than 100 years. The introduced range
of this European species includes scattered locations throughout Illinois.
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