1. Sedge of eastern North America having numerous clustered woolly spikelets
   "Wool grass thrives in the wet meadows along the river";
   - Scirpus cyperinus
    
2. Grass often cultivated for its long white-ribbed leaves and large plumes resembling those of pampas grass
   "Wool grass adds dramatic height to ornamental gardens";
   - Ravenna grass, Erianthus ravennae

Derived forms: wool grasses

Type of: plume grass, sedge

Part of: Erianthus, genus Erianthus, genus Scirpus, Scirpus

Encyclopedia: Wool grass