Wordnet polsko-angielski 
                         (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, arctic moss, Cladonia rangiferina 
Nowoczesny słownik polsko-angielski 
                        caribou moss
reindeer lichen
reindeer moss