Scientific NameCeratophyllum demersum
Other Common Names:
Synonyms (former Scientific Names):
Ceratophyllum demersum var. apiculatum
All parts of the plant, including the leaves, are rough to the touch. Leaves are submersed, finely dissected, and occur in whorls of 5 or more. Individual leaves are linear in outline, to 3/4 inch long, and are toothed along one margin only. Leaves become more and more crowded toward the stem tip.
An aquatic annual weed that is submersed and has the overall appearance of a coon s tail . Submersed aquatic weed that resembles a coon s tail. The toothed margin along one side of the leaves of coontail help to distinguish this from most other submersed aquatic weeds.
Flower Seed Head
Small, solitary, without a stalk, and occur at the leaf bases (leaf axils). Flowers are inconspicuous and have no sepals and petals. Flowers also remain submersed throughout the year.
This weed is capable of forming large colonies in fairly deep water of lakes and ponds and is found throughout the southeastern United States
prostrate and nonwoody
Thorns or Spines
Approximate Flower Diameter
Dominant Flower Color
Stem Cross Section
round or oval