1. 
   Cladium
   (from the article `Cyperaceae`) ...spikelet found in Cyperus and several related, smaller genera is similar, but the lowermost bract does not bear a flower. Spikelets characteristic ...
   Found op http://www.britannica.com/eb/a-z/c/90
   
   
2. 
   Cladium
   Cladium is a genus of plants, of wide distribution, of the natural order Cyperaceae (the sedges). The Cladium Mariscus, or twig-rush, has keeled leaves, with a sharp point and prickly serratures. It is very common in certain fenny districts in Cambridgeshire, etc, and is used for thatching.
   Found op http://www.probertencyclopaedia.com/browse/BCA.HTM
   
   
3. 
   Cladium
   Cladium (Fen-sedge, Sawgrass or Twig-sedge) is a genus of large sedges, with a worldwide distribution in tropical and temperate regions. These are plants characterized by long, narrow (grass-like) leaves having sharp, often serrated (sawtooth-like) margins, and flowering stems 1–3 m tall bearing ...
   Found op http://en.wikipedia.org/wiki/Cladium
   
   

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