title: New species of Stropharia from Araucaria angustifolia forests of southern Brazil.
abstract: Two new agaric species of Stropharia are described from Araucaria angustifolia (Brazilian pine) forests of southern Brazil. Stropharia agaricoides presents Agaricus-like basidiomes, small basidiospores (5-7 microm long) and pyriform cheilochrysocystidia. Stropharia venusta is characterized by the reddish to pinkish pileus, large basidiospores (12-15 microm long) and subclavate cheiloleptocystidia.
authors.affiliation: Universidade Federal do Rio Grande do Sul, Programa de Pós-graduação em Botânica, Avenida Bento Gonçalves 9500, 91501-970, Porto Alegre, RS, Brazil. pulisant@yahoo.com.br
authors.forename: Paula Santos
authors.initials: PS
authors.lastname: da Silva
authors.forename: Vagner Gularte
authors.initials: VG
authors.lastname: Cortez
authors.forename: Rosa Mara Borges
authors.initials: RM
authors.lastname: da Silveira
mesh_terms: D000363:Agaricales / Q000145:classification* / Q000166:cytology; D001938:Brazil; D013045:Species Specificity; D013172:Spores, Fungal / Q000166:cytology; D064028:Tracheophyta / Q000382:microbiology*; D014197:Trees / Q000382:microbiology