watershed stewardship through invasive plant management
Hydrilla can completely fill shallow ponds.
Monecious hydrilla branches near the roots before sending shoots to the water surface.
Small teeth on the leaf margins are visible without magnification.
Leaves are in whorls of 3 to 8 leaves, the leaves up to 20 mm long by 2 to 5 mm across, the flowers with 3 sepals and three petals, about 4 mm in diameter.
Whorls of leaves are closer together toward the tip of the stem.
Crescent-shaped tubers are diagnostic for hydrilla.
Hydrilla tubers are have scales which may be visible without magnification.
Female flowers of hydrilla float inconspicuously at the surface.
Hydrilla report form
Required fields for aquatic plant observations listed below:
