beard moss definition

  • noun:
    • some of a number of lichens regarding the genus Usnea, that typically grow holding from tree branches, resembling grey or greenish locks.
    • greenish grey pendulous lichen growing on woods
    • some of several lichens regarding the genus Usnea, that typically grow hanging from tree branches, resembling grey or greenish hair.
    • greenish grey pendulous lichen developing on trees
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