Parmelia

noun
Par·​me·​lia | \ pärˈmēlēə, -lyə\

Definition of Parmelia

: a large genus (the type of the family Parmeliaceae) of chiefly alpine foliaceous lichens having cortex on both surfaces of a closely appressed thallus and including several that are important sources of purple and brown dyestuffs especially in Scotland, Wales, and Scandinavia — see crottle

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History and Etymology for Parmelia

New Latin, probably irregular from Latin parma small shield

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