Guzman, Gaston & Vagner Gularte Cortez. A new species of Psilocybe (Agaricales, Strophariaceae) from southern Brazil. Mycotaxon 93: 95-98. 2005.

ABSTRACT: Psilocybe rickii is described as a new species from Rio Grande do Sul, Brazil. It belongs to the section Cordisporae and is characterized by the bulbous base of the stipe. The holotype was collected in 1908 by Rick.

KEYWORDS: Basidiomycota, hallucinogenic fungi, neotropical mycobiota