European waterclover (Marsilea quadrifolia)
: European water-clover
: Available as a water garden and aquarium plant.
: Aquatic; rooted fern that grows at depths of up to 30 cm (1 ft); forms monotypic stands. Roots at and between the nodes.
: On long petioles, resemble those of a four-leaf clover, may be floating or emergent.
: Thin; green in color.
Fruit and seeds
: No fruits or seeds.
: Native to Europe. Found in still or slow-moving waters in ponds, lakes, rivers, streams, ditches.
: Vegetatively and by its sporocarps which may be dispersed by waterfowl and other animals.
: Dwarf waterclover (Marsilea minuta
) and Rough waterclover (Marsilea hirsuta
Monitoring and rapid response
: Clearing off boats and other water-related equipment will help prevent spreading.
: The Michigan Natural Features Inventory
(MNFI) has partnered with MISIN to provide the information in this fact sheet. Species images and/or information were used with permission from "A Field Identification Guide to Invasive Plants in Michigan's Natural Communities
" and "A Field Guide to Invasive Plants of Aquatic and Wetland Habitats for Michigan