Additional records of Volvariella dunensis (Basidiomycota, Agaricales): morphological and molecular characterization

Collections morphologically assignable to Volvariella dunensis from Sardinia and the Atlantic coast of Spain were revised and compared with the original collections. Molecular data supporting all examined collections as V. dunensis expand its known geographic distribution. A revised morphological characterization and a phylogenetic analysis of all Volvariella species sequenced to date are provided.