#sward__turf__sod  surface layer of ground containing a matt of grass and grass roots
  supertype:  #soil__land__ground  material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use); "the land had never been plowed"; "good agricultural soil"
  subtype:  #divot  a piece of turf dug out of a lawn or fairway (by an animals hooves or a golf club)

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