#head_lettuce__Lactuca_sativa_capitata  distinguished by leaves arranged in a dense rosette that develop into a compact ball
  supertype:  lettuce.herbaceous_plant  any of various plants of the genus Lactuca
  member of:  genus_Lactuca
  part:  butterhead_lettuce  lettuce with relatively soft leaves in a loose head; easily broken or bruised
  part:  crisphead_lettuce__crispheadlettuce__iceberg_lettuce__iceberglettuce  lettuce with crisp tightly packed light-green leaves in a firm head

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