genus usnea definition

  • noun:
    • extensively distributed lichens generally having a greyish or yellow pendulous freely branched thallus
    • extensively distributed lichens generally having a greyish or yellowish pendulous freely branched thallus
    • extensively distributed lichens typically having a greyish or yellowish pendulous freely branched thallus
    • extensively distributed lichens often having a greyish or yellow pendulous freely branched thallus

Related Sources

  • Hypernym for "genus usnea"
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