old-man's beard
noun
1
: any of several clematises (especially Clematis vitalba) having plumose styles
2
: a greenish-gray pendulous lichen (Usnea barbata) growing on trees
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The usnea—also called old-man's beard—looked ethereal in the dappled afternoon sunlight.
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Hannah Wallace, Condé Nast Traveler, 6 Aug. 2021
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Hannah Wallace, Condé Nast Traveler, 6 Aug. 2021
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“Old-man's beard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/old-man%27s%20beard. Accessed 22 Dec. 2024.
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old-man's beard
noun
: a greenish gray pendulous lichen of the genus Usnea (U. barbata) that grows on trees and is a source of usnic acid
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