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Noun: arctic moss
  1. 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
    - reindeer moss, reindeer lichen, Cladonia rangiferina

Derived forms: arctic mosses

Type of: lichen

Part of: Cladonia, genus Cladonia

Encyclopedia: Arctic moss