113037 FROGBIT Hydrocharis morsus-ranae (Hydrocharitaceae) Aquatic. Floating perennial that grows in still waters of canals, ponds and ditches. FLOWERS are 2cm across, the 3 petals white with a yellow basal spot; on emergent stalks, male and female separate (Jun-Aug). FRUITS are capsules. LEAVES are 2-3cm across, floating and rounded or kidney-shaped.