arctic moss

Thesaurus

Noun

1.

arctic 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 humansCladonia rangiferina, reindeer lichen, reindeer mosslichen - any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc.Cladonia, genus Cladonia - type genus of Cladoniaceae; lichens characterized by a crustose thallus and capitate fruiting bodies borne on simple or branched podetia