MOSS may refer to:
Bryophyte Ploidy Marchantiophyta Andreaeobryum Andreaeaceae Takakia Sphagnopsida Polytrichopsida Monoicous Hornwort Bryopsida Sporophyte Sphagnum Vascular plant Plant sexuality Spore Ferrous ammonium sulfate Ambuchanania Calyptra Plant Protonema Polytrichum commune Rhizoid Operculum (botany) Non-vascular plant Essential nutrient Embryophyte Spermatophyte Division (biology) Iron(II) sulfate Kunstformen der Natur Buttermilk Paraphyly Gametophyte Desiccation Biological life cycle Japanese garden Compost Asexual reproduction Ericaceae