widgeon grass

English

Noun

widgeon grass (usually uncountable, plural widgeon grasses)

Certain aquatic grass-like herbs:
1. seawrack, especially eelgrass (Zostera marina)
2. tasselweed, widgeonweed (Ruppia spp.), of fresh water
  1. especially tassel pondweed (Ruppia maritima)

References

“widgeon grass”, in OneLook Dictionary Search.
“widgeon grass”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.
Zostera marina on Wikipedia.Wikipedia
Zostera marina on Wikispecies.Wikispecies
widgeon grass on Wikipedia.Wikipedia
Ruppia on Wikispecies.Wikispecies

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