Hydrocharis morsus-ranae

Hydrocharis morsus-ranae: Frogbit

Plant Identification:

• Growth form: aquatic
• Leaf position: some of the leaves are floating at the surface of the water
• Leaf arrangement: basal: the leaves are growing only at the base of the plant
• Leaf blade length: 12-60 mm
• Petal number: 3 petals, sepals or tepals in the flower
• Petal color: pink or white
• Floating leaf shape: cordate, orbicular, reniform
• Fruit: dry, splits open when ripe and is fleshy

For more information on frogbit plant identification, please visit:

• GoBotany
• IPANE

For more information on frogbit best management practices, please visit:

• Invasive Species Compendium
• University of Wisconsin Sea Grant Institute