plural noun

: a family of fruticose lichens characterized by prostrate, erect, or pendulous thalli that are generally radially symmetrical and including the genera Usnea, Evernia, Ramalina, and Alectoria

Word History


New Latin, from Usnea, type genus + -aceae

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Dictionary Entries Near Usneaceae

Cite this Entry

“Usneaceae.” Dictionary, Merriam-Webster, Accessed 16 Apr. 2024.

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