Ceratophyllum demersum
Wikipedia description
Ceratophyllum demersum, commonly known as hornwort, rigid hornwort, coontail, or coon's tail, is a species of Ceratophyllum. It is a submerged, free-floating aquatic plant, with a cosmopolitan distribution, native to all continents except Antarctica. It is a harmful introduced weed in New Zealand. It is also a popular aquarium plant.
Scientific classification
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Clade:
Basalmost angiosperms
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Order:
Ceratophyllales
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Family:
Ceratophyllaceae
Species:
Ceratophyllum demersum
Samples