Meaning of REINDEER MOSS

Pronunciation:			'reyn`deer mos
WordNet Dictionary
	Definition:		[n]  an erect grayish branching lichen of Arctic and even some north temperate regions constituting the chief food for reindeer and caribou and sometimes being eaten by humans
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	Synonyms:		arctic moss, Cladonia rangiferina, reindeer lichen
	See Also:		Cladonia, genus Cladonia, lichen