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Figure 1 | BMC Biology

Figure 1

From: The relative ages of ectomycorrhizal mushrooms and their plant hosts estimated using Bayesian relaxed molecular clock analyses

Figure 1

Simplified phylogeny of Agaricomycotina. Clades sampled are indicated in bold font. Presence/absence of ectomycorrhizae (ECM) taxa is indicated by + and - symbols (Gloeophyllales, Trechisporales, and Atheliales are not shown). Blue bars: minimum origins of ECM symbioses with angiosperms. Orange bars: minimum origins of ECM symbioses with gymnosperms under unconstrained topology and constrained topology excluding Welwitschia. Red bar: alternative minimum origin of ECM with gymnosperms in Agaricomycetidae + Russulales, under constrained topology retaining Welwitschia.

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