/-------------------------------------------------------------------- Pbr018673.1 [Pyrus bretschneideri]   (1)
      |                                                                               
      |                                            /----------------------- Pbr021534.1 [Pyrus bretschneideri]   (2)
      |---------------------100--------------------+                                  
      +                                            \----------------------- Pbr021555.1 [Pyrus bretschneideri]   (3)
      |                                                                               
      |                      /--------------------------------------------- MDP0000294526 [Malus domestica]      (4)
      |                      |                                                        
      \----------100---------+                     /----------------------- MDP0000135668 [Malus domestica]      (5)
                             \---------100---------+                                  
                                                   \----------------------- Pbr010843.1 [Pyrus bretschneideri]   (6)