Noun: sphagnum sfag-num
- Any of various pale or ashy mosses of the genus Sphagnum whose decomposed remains form peat
"Sphagnum moss is commonly used in horticulture due to its water-retention properties";
- sphagnum moss, peat moss, bog moss
Derived forms: sphagnums
Type of: moss
Part of: genus Sphagnum
Encyclopedia: Sphagnum