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. 2014 Jul 9;9(7):e101081. doi: 10.1371/journal.pone.0101081

Figure 3. Okapi (Okapia johnstoni), giraffe (Giraffa camelopardalis), bushbuck (Tragelaphus scriptus spp.) and duiker (Cephalophinae spp.) tree drawn in BEAST v1.7.5.

Figure 3

Posterior probabilities of >0.8 are highlighted with a single asterisk and posterior probabilities of >0.95 are highlighted with a double-asterisk. Dotted line indicates the most ancestral divergence within okapi. The shading on the tree shows when taxonomic units can be monophyletically grouped, with the different colours corresponding to different levels of inclusiveness for these groupings. For example, for bushbuck, Victoria Basin & Mt Elgon, Great Lakes & Albertine Rift and Imatong & Karamoja Highlands ecoregions could be grouped monophyletically, and are shaded red. The next monophyletic taxonomic grouping are the “scriptus” species (shaded blue), and then all bushbuck (shaded yellow).