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Any of several erect, grayish, branching lichens of the genus Cladonia of Arctic and boreal regions, especially C. rangiferina, constituting the chief source of food for reindeer. Also called reindeer lichen.
(Plants) any of various lichens of the genus Cladonia, esp C. rangiferina, which occur in arctic and subarctic regions, providing food for reindeer
any of several lichens of the genus Cladonia, esp. the gray, many-branched C. rangiferina, of arctic and subarctic regions.
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|Noun||1.||reindeer moss - an erect greyish branching lichen of Arctic and even some north temperate regions constituting the chief food for reindeer and caribou and sometimes being eaten by humans|
lichen - any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc.