#cotton_grass__cotton_rush  any sedge of the genus Eriophorum; north temperate bog plants with tufted spikes
  supertype:  #sedge  grasslike or rushlike plant growing in wet places having solid stems, narrow grasslike leaves and spikelets of inconspicuous flowers
  member of:  #genus_Eriophorum
  subtype:  #common_cotton_grass__Eriophorum_angustifolium  having densely tufted white cottony or downlike glumes

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