noun. any of various pale or ashy mosses of the genus Sphagnum whose decomposed remains form peat.
- sphagnum moss
- genus Sphagnum
- bog moss
Example sentences of the word sphagnum
1. Noun, singular or mass
Pour water into the bowl until the sand or sphagnum moss is moistened.
Bromeliads and some orchids grow well in perches made with sphagnum moss.