arctic moss

Noun arctic moss has 1 sense

• arctic moss(n = noun.plant) cladonia rangiferina, reindeer lichen, 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;
is a kind of lichen
is a member of cladonia, genus cladonia