knotgrass
noun
Definitions
An annual plant, Polygonum aviculare, found in fields and wasteland.
Paspalum distichum, a weedy perennial grass of wet areas.
Synonyms:water couch
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Definitions
An annual plant, Polygonum aviculare, found in fields and wasteland.
Paspalum distichum, a weedy perennial grass of wet areas.