Hindawi Publishing Corporation Journal of Mycology Volume 2014, Article ID 697602, 7 pages http://dx.doi.org/10.1155/2014/697602 Research Article Calvatia nodulata, a New Gasteroid Fungus from Brazilian Semiarid Region Dônis da Silva Alfredo,1 Ana Clarissa Moura Rodrigues,1 and Iuri Goulart Baseia2 1 Programa de Pos-Graduac´ ¸ao˜ em Sistematica´ e Evoluc¸ao,˜ Centro de Biociencias,ˆ Universidade Federal do Rio Grande do Norte, Campus Universitario,´ 59072−970 Natal, RN, Brazil 2 Departamento Botanicaˆ e Zoologia, Centro de Biociencias,ˆ Universidade Federal do Rio Grande do Norte, Campus Universitario,´ CEP 59072–970 Natal, RN, Brazil Correspondence should be addressed to Donisˆ da Silva Alfredo;
[email protected] Received 6 May 2014; Accepted 30 June 2014; Published 21 July 2014 Academic Editor: Terezinha Inez Estivalet Svidzinski Copyright © 2014 Donisˆ da Silva Alfredo et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Studies carried out in tropical rain forest enclaves in semiarid region of Brazil revealed a new species of Calvatia. The basidiomata were collected during the rainy season of 2009 and 2012 in two states of Northeast Brazil. Macroscopic and microscopic analyses were based on dried basidiomata with the aid of light microscope and scanning electron microscope. Calvatia nodulata is recognized by its pyriform to turbinate basidiomata, exoperidium granulose to pilose and not persistent, subgleba becoming hollow at maturity, nodulose capillitium, and punctate basidiospores (3–5 m). Detailed description, taxonomic comments, and illustrations with photographs and drawings are provided.