#grass_snake__grasssnake__green_snake__greensnake  either of two N. American chiefly insectivorous green snakes
  supertype:  colubrid_snake__colubrid  mostly harmless temperate-to-tropical terrestrial or arboreal or aquatic snakes
  member of:  genus_Opheodrys
  subtype:  smooth_green_snake__Opheodrys_vernalis  of western and central United States
  subtype:  rough_green_snake__roughgreensnake__Opheodrys_aestivus  of southern and eastern United States

No statement uses or specializes grass_snake; click here to add one.