American pondweed

English

Noun

American pondweed (uncountable)

1. Any of several North American aquatic plants
   1. Elodea canadensis, in the Hydrocharitaceae family, with many small leaves on a submerged stem
   2. (UK) Potamogeton epihydrus, in the family Potamogetonaceae.
   3. Potamogeton nodosus, in the family Potamogetonaceae, with large floating leaves borne on elongated petioles

Further reading

• American pondweed on Wikipedia.Wikipedia