Figure 2.

Phylogenetic reconstruction of the Alnicola sect. Alnicola lineage (Hymenogastraceae) by concatenate analysis (ITS, GPD, RPB2, V9), showing putative evolutional events in relation with host specificity. Red: species associated with Alnus sect. Alnus. Green: species associated with Alnus sect. Alnobetula. Green star shows putative basal association with Alnus alnobetula (possible co-speciation). Arrows show events of speciation associated with host specificity; red arrow: host-dependent radiation with Alnus subgen. Alnus; green arrow: host shifts from Alnus subgen. Alnus to A. alnobetula.

Rochet et al. BMC Evolutionary Biology 2011 11:40   doi:10.1186/1471-2148-11-40
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