Abstract
Calvatia is a genus of gasteroid fungi, comprising about 47 species worldwide. In this paper we report the second worldwide occurrence of two poorly known species of Calvatia, recorded in the Cerrado biome of Brazil: C. oblongispora and C. nodulata. Detailed morphological descriptions and illustrations, including scanning electron micrographs of hyphae and basidiospores are provided, as well a discussion on their taxonomy and geographic distribution.
Highlights
The genus Calvatia Fr. (Agaricaceae: Basidiomycota) was proposed in 1849 by Fries, whose representatives are popularly known as puffballs
Around 47 species are accepted for the genus (Kirk et al, 2008; Suarez et al, 2009; Alves and Cortez, 2013; Rebriev, 2013; Alfredo et al, 2014; Crous et al, 2018; Gunasekaran et al, 2018; Crous et al, 2019), where 13 of them occur in Brazil, in the North, Northeast, South and Southeast regions, with most reports for the Atlantic Forest
This study reports the occurrence of two species of Calvatia in the Brazilian Cerrado, improving the mycological knowledge of this important Brazilian biome
Summary
The genus Calvatia Fr. (Agaricaceae: Basidiomycota) was proposed in 1849 by Fries, whose representatives are popularly known as puffballs. (Agaricaceae: Basidiomycota) was proposed in 1849 by Fries, whose representatives are popularly known as puffballs They are characterized by the globose to pyriform basidioma, gleba pulverulent or cottony, dehiscence by irregular ruptures in the peridium, and not by apical pore (Miller and Miller, 1988; Baseia, 2003). Studies have contributed to increase the knowledge about the distribution and description of new species of the genus in Brazil, such as Baseia (2003), Baseia and Calonge (2008), Cortez et al (2012), Cortez and Alves (2012), Alves and Cortez (2013), and Crous et al (2018). This study reports the occurrence of two species of Calvatia in the Brazilian Cerrado, improving the mycological knowledge of this important Brazilian biome
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