Vagner Gularte Cortez

Gasteroid mycobiota of Rio Grande do Sul, Brazil: Tulostomataceae

The diversity of Tulostomataceae has been investigated in Rio Grande do Sul State in southern Brazil. Eight species belonging to two genera were recognized: Battarrea, represented by B. phalloides, and Tulostoma, represented by T. brasiliense, T. cyclophorum, T. dumeticola, T. exasperatum, T. pygmaeum, T. rickii, and T. striatum. All species are described and illustrated by line drawings and photos, including scanning electron micrographs of the basidiospores. Illustrations of the peridium structure are furnished for most taxa.

New species of Stropharia from Araucaria angustifolia forests of southern Brazil

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 μm long) and pyriform cheilochrysocystidia. Stropharia venusta is characterized by the reddish to pinkish pileus, large basidiospores (12–15 μm long) and subclavate cheiloleptocystidia.