Studies in Lepiota III. Some species from California, U.S.A

Abstract

Lepiota magnispora shows morphological and molecular variation: three groups can be distinguished, each with its own distribution area.A closely related taxon, Lepiota spheniscispora spec.nov., 1S described from central coastal California.It differs morphologically from L. magnispora in the overall yellow-brown colours of the pileus, lacking a contrasting dark brown centre.A sister taxon of L. cystophoroides is _ described, viz.L. scaberula spec.nov., characterized by a _ scurfy.pileus surface, non-dextrinoid and metachromatic spores, and inconspicuous cheilocystidia.