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. 2020 May 8;8:e8999. doi: 10.7717/peerj.8999

Figure 4. Median-joining networks of Drosanthemum clades I–IV.

Figure 4

Collapsed Median networks; collapsed network portions (haplotype groups) represented by by circles; letters in bold refer to Liede-Schumann et al. (2019) (file Haplotyping.xlsx; archive includes full networks). Circle size does not show haplotype frequency but gives the maximum number of mutations between grouped haplotypes/ connective medians (a group’s dimension); edge length (minimum) number of mutations between haplotype groups (Grimm, 2019). (A–D) Clade I. Note that subclade Ib is paraphyletic to clades Ia and Ic according to rpl16 intron, trnK-rps 16 and rps16-trnQ. Filled black circles (medians) denote position of the consensus sequence of the clade. (E–H). Clades III and IV. Note that grade IIIa (cf. Fig. 2) bridges between haplotype groups diagnostic for clades IIIb and IV, which could be an indication of paraphyly, i.e., grade IIIa species originate from a radiation predating the formation and subsequent radiation of clades IIIb and IV.