Koizumi T, M Hattori, and K Nara, Ectomycorrhizal fungal communities in alpine relict forests of Pinus pumila on Mt. Norikura, Japan. Mycorrhiza (2018) https://doi.org/10.1007/s00572-017-0817-5. https://www.ncbi.nlm.nih.gov/nuccore/MG547665