1. One of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted, comprising three subfamilies: Asphodeloideae, Hemerocallidoideae and Xanthorrhoeoideae (Xanthorrhoeaceae)
   "The grass tree family classification remains debated among botanists";
   - Xanthorrhoeaceae, family Xanthorrhoeaceae

Type of: liliid monocot family

Part of: family Liliaceae, Liliaceae, lily family