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Jos Mara Escolano   cc-by-nc-sa

Ceratophyllum demersum (Coontail) is a species of perennial herb in the family Ceratophyllaceae. They have a self-supporting growth form. They are associated with freshwater habitat. They are native to Santa Catarina, Pernambuco, Bahia, Mato Grosso Do Sul, Pantanal, SãO Paulo, Mato Grosso, Ceará, Rio De Janeiro, Rio Grande Do Norte, Rio Grande Do Sul, AmazôNia, AmazôNia, Mata AtlâNtica, Paraná, Alaska, Canada, U.S. Virgin Islands, Puerto Rico, The Contiguous United States, Eastern North America, North America, United Kingdom, and United States. They have simple, broad leaves and blue flowers. Individuals can grow to 0.64 m.

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EOL has data for 73 attributes, including:

Known occurrences, collected specimens and observations of Coontail. View this species on GBIF