Bushy with dense whorls of bright green leaves. Leaves (3-6) whorled, linear to lanceolate, often scalelike and have fine toothed margins. Leaves…

This submersed perennial plant has finely dissected feather-like leaves. Leaves are typically arranged in whorls of four at stem nodes. Leaves with 12…

Leaves floating on the water surface are bright green, ovoid or triangular shaped. Leaves have toothed margins, and have a swollen, spongy section to…

Stems are simple or branched and creeping; upper portions are often matted and typically floating. Stem and leaf veins are often reddish in color…

Perennial; leaves are linear and pointed with smooth margins and parallel veins. Leaves have triangular cross-sections and can be 3’ long. Flowers…

Perennial; forest green, whorled, small, linear to lanceolate leaves (6-8mm long). Leaves have saw-tooth margins; usually visible without…

Perennial; alternating, lanceolate leaves. Early growth is rosette-like clusters of rounded leaves on water surface. Leaves and stems have fine white…

Feather-like leaves arranged in whorls of four to six around stems. Emergent leaves can grow up to one foot above water surface.

A floating to rooted stoloniferous perennial. Floating rosettes send runners out into the water, the ends of which form juvenile plants. Juvenile form…

Perennial; hair on stem, sepals and leaves, alternating, willow-like leaves. Stems are erect, lie flat, or float on water surface. Bright yellow…

3-angled corky fruits; fan-shaped base

Perennial; five small, bright yellow petals with fringed edges. Floating, heart-shaped leaves that are purple on the underside and have wavy margins…