Bog moss

Commonly called peat moss due to its prevalence in wet habitats where it contributes to the formation of peat bogs and mires. These plants may hold from 16-26 times as much water as their dry weight depending on the species.
Sphagnum and the peat formed from it provide habitat for a wide array of peatland plants, including sedges and ericaceous shrubs, as well as orchids and carnivorous plants.