Peay,K.G., Bruns,T.D., Kennedy,P.G., Bergemann,S.E. and Garbelotto,M., A strong species-area relationship for eukaryotic soil microbes: island size matters for ectomycorrhizal fungi. Ecol. Lett. 10 (6), 470-480 (2007). https://www.ncbi.nlm.nih.gov/nuccore/DQ822809