The genus Volvariella in Spain: V. dunensis comb. & stat. nov and observations on V. earlei

Volvariella nigrovolvacea var. dunensis is raised to the species rank, and its delimitation from similar taxa is discussed. Volvariella earlei is recorded for the second time in Europe, and its taxonomy, nomenclature, and distribution are briefly discussed. A key to the Iberian species of Volvariella is provided.