#NEXUS
BEGIN TREES;

   TRANSLATE
   1   'Allium drummondii',
   2   'Allium cernuum',
   3    A.cyaneum     
   ;
   TREE onion = [&R] ((1,2),3);
END;

#NEXUS
BEGIN TREES;

   TRANSLATE
   1   'Allium drummondii, USA',
   2   'Allium drummondii, Russia',
   3    A.cyaneum
   ;
   TREE onion = [&R] ((1,2),3);
END;

#NEXUS
BEGIN TREES;

   TRANSLATE 1   'Allium drummondii, Russia', 2   'Allium drummondii, USA', 3    A.cyaneum ;
   TREE onion = [&R] ((1,2),3);
END;