10 Populations Neighbor-Joining/UPGMA method version 3.69 Neighbor-joining method Negative branch lengths allowed +-c_elegans +-1 ! +-c_briggsae ! ! +--b_xylophil ! ! 4-5 +--p_magellan ! ! ! ! ! ! +----s_salar ! +-7 +-6 ! ! ! ! +d_melanoga ! ! ! +--3 ! +-8 ! +d_yakuba ! ! +-2 ! ! +d_erecta ! ! ! +----h_virescen ! +-----c_oncophor remember: (although rooted by outgroup) this is an unrooted tree! Between And Length ------- --- ------ 4 1 0.03270 1 c_elegans 0.03036 1 c_briggsae 0.02762 4 5 0.00712 5 b_xylophil 0.04993 5 7 0.01805 7 p_magellan 0.06592 7 8 0.01029 8 6 0.01081 6 s_salar 0.09211 6 3 0.05389 3 d_melanoga 0.00421 3 2 0.00204 2 d_yakuba 0.00268 2 d_erecta 0.00355 8 h_virescen 0.07531 4 c_oncophor 0.09685