hair grass definition

  • noun:
    • A grass with extremely thin leaves or branches; as the Agrostis scabra, and several species of Aira or Deschampsia.
    • one of the species of grass bearing small plants on slim, hair-like branches, especially Deschampsia (Aira) c├Žspitosa, D.
    • (A.) flexuosa, and Agrostis scabra.
    • fine-leaved aquatic spike-rush; well-known as aerator for aquariums
  • others:
    • A grass with extremely thin leaves or limbs; given that Agrostis scabra, and many types of Aira or Deschampsia.

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