The ninth issue of this colour atlas of ectomycorrhizae provides 6 colour plates, descriptions and micrographs of mycorrhizae of Pisolithus tinctorius (host Shorea parviflora Dyer), Quercirhiza squamosa and Xerocomus subtomentosus (host Quercus robur L.), and three truffles, Tuber melanosporum, T. mesentericum, and T. rufum with the host Corylus avellana. In addition (updated) keys are given for the identification of mycorrhizae on Quercus, Corylus, and Shorea as well as additional references on literature and an appendix on identified mycorrhizae and how to arrange the plates in issue 1 through 9. This most valuable series will be continued.