1Trappe J M.Principles of classifying ectotrophic mycorrhizae for identification of fungal symbionts[J].Pro Int Union Forest Res Organ 14th,Set,1967,24:46-59.
2Dominik T.Key to ectotrophic mycorrhizae[J].Folia Forest Pol Ser A,1969,15:359-367.
3Strull D G.Ultrastructure et representation spatiale du manteau fongique des ectomycorhizes[J].Canadian Journal of Botany,1979,57(21):2319-2324.