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Definition of Cetraria islandica
1. Noun. Lichen with branched flattened partly erect thallus that grows in mountainous and Arctic regions; used as a medicine or food for humans and livestock; a source of glycerol. 
Exact synonyms: Iceland Lichen, Iceland Moss
Generic synonyms: Lichen
Group relationships: Cetraria, Genus Cetraria
Generic synonyms: Lichen
Group relationships: Cetraria, Genus Cetraria



