| alpine mouse-ear | (n) widespread in the Arctic and on mountains in Europe, Syn. Arctic mouse-ear, Cerastium alpinum |
| reindeer moss | (n) 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, Syn. reindeer lichen, arctic moss, Cladonia rangiferina |