Figure 5.

Mapping of sampled sites for sporocarps in Western and Central Europe (for details see Additional file 2). Colour of circles indicates tree species; green: Alnus alnobetula; black: A. cordata; red = A. glutinosa; blue: A. incana. Large circles: at least three species sampled (sites visited for this study); small circles: one or two species sampled (occasional visits on sites or collections sent by correspondents).

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