Mariscus may refer to:
* ''Mariscus'', a synonym for a genus of plants, ''
Cyperus''
* ''
Cladium mariscus
''Cladium mariscus'' is a species of flowering plant in the Cyperaceae, sedge family known by the common names swamp sawgrass, great fen-sedge, saw-sedge or sawtooth sedge. Previously it was known as elk sedge. It is native of temperate Europe an ...
'', a species of flowering plant in the family Cyperaceae
{{Taxonomy disambiguation