mossberry
/ˈmɒsˌbɛri/ /ˈmɒsb(ə)ri/noun
Any of various small berries growing on marshy ground or in mossy areas; specifically (a) a species of cranberry, Vaccinium oxycoccos, or its fruit; (b) North American regional ( Alaska and Canadian ) the crowberry, Empetrum nigrum, or its fruit.
Origin
Late 17th century; earliest use found in John Ray (1627–1705), naturalist and theologian. From moss + berry.