Callitriche heterophylla, commonly called twoheaded water-starwort, is a species of flowering plant in the family Plantaginaceae. It is native to North America, where it found in the north from Greenland to Alaska, south to Mexico.[1] It is widespread in the United States. Its natural habitat is in a wide variety of wetlands, including ponds, streams, and mudflats. It is typically found in areas of still or slow moving water.[2]
Callitriche heterophylla is an aquatic plant, growing almost entirely submerged except for its floating stem tips. It produces minutely small flowers throughout the growing season.[2]