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\bibitem{Oepik_etal2013} {\"O}pik, M., Zobel, M., Cantero, J. J., Davison, J., Facelli, J. M., Hiiesalu, I., et al. (2013). Global sampling of plant roots expands the described molecular diversity of arbuscular mycorrhizal fungi. \textit{Mycorrhiza}, \textit{23}(5), 411--430.

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