- wool grass, Scirpus cyperinus - sedge of eastern North America having numerous clustered woolly spikelets
--1 is a kind of sedge
--1 is a member of Scirpus, genus Scirpus - Ravenna grass, wool grass, Erianthus ravennae - grass often cultivated for its long white-ribbed leaves and large plumes resembling those of pampas grass
--2 is a kind of plume grass
--2 is a member of Erianthus, genus Erianthus