1) Mossy 
• (a.) Pertaining to moss of the genus Sphagnum, or bog moss; abounding in peat or bog moss.
Sphag'nous adjective (Botany) Pertaining to moss of the genus Sphagnum , or bog moss; abounding in peat or bog moss. 
sphagnous Relating to, or abounding in sphagnum or any of an order (Sphagnales, containing a single genus Sphagnum) of atypical mosses that grow only in wet acid areas where their remains become compacted with other plant debris to form peat.