Fig. S1 The relationship between numbers of clusters obtained and sequence similarity level (80-100%) used during clustering of sequences.

Fig. S2 The abundance of the 12 most abundant genera/families across zones, as measured by presence/absence of OTUs in root systems and best blast hit.

Fig. S3 GNMDS ordination diagram (axes 1 and 2) for the composition of fungal OTUs in the 60 root systems, including only OTUs with best blast match to ectomycorrhizal taxa.

Fig. S4 Frequency distributions of the 36 most abundant OTUs as measured by presence/absence in root systems.

Table S1 Characteristics for the 60 root samples.

Table S2 Number of shared OTUs across root systems.

Table S3 Representative sequences of the 470 non-singleton OTUs.

MEC_5214_sm_SupportingInformation.doc1502KSupporting info item

Please note: Wiley Blackwell is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.