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Figure 2 | BMC Evolutionary Biology

Figure 2

From: Molecular evidence for convergent evolution and allopolyploid speciation within the Physcomitrium-Physcomitrellaspecies complex

Figure 2

Phylogenetic tree of BRK1. Phylogenetic tree of the nuclear gene BRK1 (Pp1s35_157V6.1) from selected Funariaceae. Three Funaria species (F. hygrometrica, F. flavicans, and F. americana) were used as the outgroup (not shown, see Additional file 6: Figure S3, for details). The cluster representing the Physcomitrium-Physcomitrella species complex shown here is supported by all methods. Due to differing or unresolved branching order, depending on inference method used, the backbone is shown as multifurcating. The three distinct clades of Physcomitrella representing P. readeri (Japan, Australia), P. magdalenae (Africa) and P. patens (Europe and North America) are shown in bold. The distinct paralogous loci of BRK1 for each hybrid species are highlighted with colored brackets. Red brackets represent distinct loci of five P. pyriforme accessions from Europe. Blue brackets show multiple loci of two capsules of a P. collenchymatum accession from North America. Green brackets mark distinct loci of BRK1 within three accessions of P. eurystomum from Europe. The symbols at the nodes represent support values > 95 for Maximum Likelihood (ML), Bayesian Inference (BI) and Neighbor Joining (NJ), respectively. They are derived from 1,000 NJ bootstrap samples, respectively show posterior probabilities of Bayesian inference or maximum likelihood quartet puzzling support.

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