Definition that contains marshland
- causeway a road that is raised above water or marshland or sand
- snakehead showy perennial of marshlands of eastern and central North America having waxy lanceolate leaves and flower with lower part creamy white and upper parts pale pink to deep purple
- turtlehead showy perennial of marshlands of eastern and central North America having waxy lanceolate leaves and flower with lower part creamy white and upper parts pale pink to deep purple
- chelone glabra showy perennial of marshlands of eastern and central North America having waxy lanceolate leaves and flower with lower part creamy white and upper parts pale pink to deep purple
- snake-head showy perennial of marshlands of eastern and central North America having waxy lanceolate leaves and flower with lower part creamy white and upper parts pale pink to deep purple
- mudhif a reed hut in the marshlands of Iraq; rare since the marshes were drained
- triglochin maritima tufted perennial found in shallow water or marshland; sometimes poisons livestock
- reed grass any of various tall perennial grasses of the genus Calamagrostis having feathery plumes; natives of marshland fens and wet woodlands of temperate northern hemisphere
- arrow grass tufted perennial found in shallow water or marshland; sometimes poisons livestock
- shell-flower showy perennial of marshlands of eastern and central North America having waxy lanceolate leaves and flower with lower part creamy white and upper parts pale pink to deep purple