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
   "The reindeer lichen covered the tundra like a carpet";
   - reindeer moss, arctic moss, Cladonia rangiferina

Derived forms: reindeer lichens, reindeer lichen

Type of: lichen

Part of: Cladonia, genus Cladonia

Encyclopedia: Reindeer lichen