Info

1 Not used in analysis.

1 Not used in analysis.

initial tree are then swapped to find all other trees of the same length. Meaningful trees are obtained only with some considerable weighting of selected characters as shown in Table 4. The final weights were obtained by an iterative procedure which involves calculating the fit of each character to the range of trees produced. The analysis is re-run with the adjusted weights and this sequence is repeated until the character weightings no longer change. A strict consensus tree of the resulting 6 equally parsimonious trees produced by this method is shown in Figure 4, which is used for compiling Table 3 and for the following outline discussion.

Table 5 Groups of African species of Viscum. Character states for cladistic analysis. For characters see Table 3.

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