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Abstract
We have conducted a taxonomic study of Cortinarius belleri, C. cistohelvelloides, C. impolitus and C. scobinaceus from material collected in Spain, France, Italy, Portugal and Morocco. Based on anatomy, morphology, ecology and distribution (geographical data) we recognize two species, C. impolitus and C. scobinaceus, and the new combination C. scobinaceus var. cistohelvelloides is made. Cortinarius belleri, C. cistohelvelloides, C. impolitus and C. scobinaceus have been typed, and a key for identification of these taxa is included.
We thank Dr M.M. Moser for his valuable taxonomical opinions and Prof. M. Bon (St Valéry-sur-Somme, France) for his comments on C. cistohelvelloides and the loan of the holotype; the curators at MICH (Michigan, USA), MPU (Montpellier, France) and lB (lnnsbruck, Austria), Dr M. Contú (Olbia, Italia), Prof. X. Llimona (Universitat de Barcelona), R. Mahiques (Valencia) and J. Vila (Barcelona) for the loan of types and other collections that have made this contribution much easier. Finally we thank Drs J.D. Bueno and A. González (Servicio de Apoyo Técnico a la Investigación, Universidad de Granada), for their useful help in SEM techniques and study of the spores.