HALORAGACEAE, Water-milfoil Family
Aquatic or marsh herbs; emersed leaves entire, toothed, or pinnatifid, submersed ones pinnatifid with linear or filiform segments; monoecious; flowers epigynous. bisporangiate or monosporangiate, sessile, axillary, solitary or few together; perianth regular; carpels 3-4, united, locules and ovules as many.
Haloragaceae