Sphagnum/ˈsfæɡnəm/ Definition 1 of 1Pro Tip 1/3Habitat Context Sphagnum thrives in marshy, waterlogged areas, often forming large mats. Bogs are characterized by the abundance of sphagnum. Pro Tip 2/3Environmental Role Sphagnum is important for ecosystem health and can store water like a sponge. Wetlands rely on sphagnum to maintain their delicate ecological balance. Pro Tip 3/3Cultural Uses Sphagnum has been used historically for wound dressing and as a soil conditioner. Gardeners often use sphagnum peat to improve soil quality.