: This species is listed on the Michigan prohibited aquatic plant list. Popular water garden plant.
: Aquatic; rooted perennial with floating leaves. Forms dense patches; grows at depths of up to 1 m (3.25 ft).
: Heart-shaped to almost round, 3-10 cm (075-4 in) long, opposite, arising on long stalks from underwater rhizomes.
: Cylindrical, unbranched, sometimes producing rootlets from nodes.
: Yellow in color, 5 petals, 3-4 cm in diameter, fringed margins, held above water; blooms May through September.
Fruit and seeds
: Seed pod, up to 2.5 cm long containing numerous seeds; seeds are flat, oval and about 3.5 mm long with hairy edges.
: Native to Europe and Asia. Found in lakes, ponds, slow-moving rivers and streams; grows at depths of up to 4 m (13 ft); can also survive on mudflats.
: By its floating seed; vegetatively by plant fragments; dispersed by waterfowl.
: Variegated yellow pond-lily (Nuphar lutea
Monitoring and rapid response
: Hand-pulling and mechanical removal.
: The information provided in this factsheet was gathered from the Global Invasive Species Database and the Michigan Natural Features Inventory.
Individual species images that appear with a number in a black box are courtesy of the Bugwood.org network (http://www.invasive.org).Individual photo author credits may not be included due to the small display size of the images and subsequent difficulty of reading the provided text. All other images appear courtesy of Google (http://images.google.com).