beard lichen

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Noun1.beard lichen - greenish grey pendulous lichen growing on treesbeard lichen - greenish grey pendulous lichen growing on trees
genus Usnea, Usnea - widely distributed lichens usually having a greyish or yellow pendulous freely branched thallus
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References in periodicals archive ?
Suma showed us how Grandfather's Beard lichen, which hangs from the trees everywhere the eye can see at Mount Pisgah, feels elastic, like rubber.
There were beard lichens, including long, yellow-green hanging strands and loops of Usnea longissima, or Methuselah's beard, the longest lichen in the world.