from The Century Dictionary.

  • noun A genus of parmeliaceous lichens of the tribe Usneei.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Any of a group of lichens of genus Roccella; especially Rocella tinctoria from which litmus is extracted

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a source of the dye archil and of litmus


Sorry, no etymologies found.



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