Cladium mariscus is a species of flowering plant in the sedge family known by the common names swamp sawgrass,[1] great fen-sedge,[2] saw-sedge or sawtooth sedge. Previously it was known as elk sedge.[3] It is native of temperate Europe and Asia where it grows in base-rich boggy areas and lakesides. It can be up to 2.5 metres (8 ft 2 in) tall, and has leaves with hard serrated edges.[4]


  • C. m. californicum (S.Watson) Govaerts - California, Arizona, New Mexico, Nevada, Utah, Texas, Sonora, Coahuila
  • C. m. intermedium Kük. - Australia, New Caledonia
  • C. m. jamaicense (Crantz) Kük. - Latin America from Mexico to Argentina; West Indies; southeastern United States from Texas to Delaware; naturalized in tropical Africa and on many oceanic islands including Canary Islands, Madagascar, New Guinea, Hawaii
  • C. m. mariscus - Europe, northern Asia and North Africa from Ireland and Morocco to Japan, including Germany, Italy, France, Scandinavia, Poland, Balkans, Ukraine, Russia, Siberia, Saudi Arabia, Iran, Himalayas, Kazakhstan, China, Korea


  1. ^ "Cladium mariscus". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 17 January 2016. 
  2. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17. 
  3. ^ "Cladium mariscus". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved April 27, 2011. 
  4. ^ Theocharopoulos, Michael; Georgiadis, Theodoros; Dimitrellos, Georgios; Chochliouros, Stergios; Tiniakou, Argyro (2006). "Vegetation types with Cladium mariscus (Cyperaceae) in Greece" (PDF). Willdenowia. 36 (Special Issue): 247–256. doi:10.3372/wi.36.36120.