sentences:  This character separates the Ustilaginomycotina from Pucciniomycotina and Agaricomycotina.Septal pores
  
  The architecture of the septal pores plays an important part in delimiting the subdivision in Basidiomycotina.In contrast to the Pucciniomycotina, the Ustilaginomycotina has a septal pore with a membrane cap or it is poreless.