| NOUN | plant | Iceland moss, Iceland lichen, Cetraria islandica | lichen with branched flattened partly erect thallus that grows in mountainous and Arctic regions |
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| Meaning | 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. | |
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| Synonyms | Iceland lichen, Cetraria islandica | |
| Member of | Cetraria, genus Cetraria | foliose lichens chiefly of northern latitudes / latitudes |
| Broader | lichen | Any thallophytic plant of the division Lichenes |