One most parsimonious tree found:




                                            +-Pyrococcus
                                      +---15  
                                      |     +-Pyrococcus
                 +------------------14  
                 |                    |     +-Neisseria_
                 |                    +---13  
                 |                          +-Bacillus_s
           +---12  
           |     |           +----------------Clostridiu
           |     |           |  
           |     |           |           +----Sinorhizob
           |     +---------11  +------10  
           |                 |  |        |  +-E._coli   
           |                 |  |        +-9  
           |                 +-8           +-Escherichi
        +-5                    |  
        |  |                    |        +----Clostridiu
        |  |                    +-------7  
        |  |                             |  +-Trichomona
        |  |                             +-6  
     +-3  |                                +-Pasteurell
     |  |  |  
     |  |  |                                +-Vibrio_cho
     |  |  +-------------------------------4  
  +-2  |                                   +-Yersinia_p
  |  |  |  
  |  |  +-------------------------------------Mus_muscul
--1  |  
  |  +----------------------------------------Sus_scrofa
  |  
  +-------------------------------------------Homo_sapie

  remember: this is an unrooted tree!


requires a total of   2417.000

 -----------------  Trees in tree file:      (((((((Pyrococcus,Pyrococcus),(Neisseria_,Bacillus_s)),(Clostridiu,((Sinorhizob,(E._coli,Escherichi)),(Clostridiu,(Trichomona,Pasteurell))))),(Vibrio_cho,Yersinia_p)),Mus_muscul),Sus_scrofa),Homo_sapie);