Descripción y distribución de Hydnotrya cerebriformis (Discinaceae: Pezizales) en México

El género Hydnotrya comprende alrededor de 13 especies de Ascomicetos hipogeos, secuestrados ectomicorrízicos distribuidos exclusivamente en bosquestemplados del hemisferio norte. En este trabajo se describe e ilustra por primera vez una especie de este género, Hydnotrya cerebriformis, para México. Esta especie se distribuye en el Eje Neovolcánico Transmexicano (Estado de México, Puebla y Tlaxcala) y Nuevo León a altitudes entre los 3,100 y 4,000 m, donde se asocia a bosques de Pinus hartwegii, P. montezumae y Abiesreligiosa, principalmente. ABSTRACT The genus Hydnotrya is composed of around 13 ectomycorrhizal, hypogeous, sequestrated Ascomycetes distributed exclusively in temperate forests in the northern hemisphere. This work describes and illustrates for the first time a species of this genus, Hydnotrya cerebriformis, from Mexico. The species is distributed in the Transmexican Volcanic Belt (in the Estado de México, Puebla, and Tlaxcala) and the state of Nuevo León at altitudes between 3,100 and 4,000 m, and associated mainly with Pinus hartwegii, P. montezumae, and Abies religiosa forests

Description and distribution of Tuber incognitum sp. nov. and Tuber anniae in the Transmexican Volcanic Belt

The genus Tuber is a lineage of diverse ectomycorrhizal, hypogeous, sequestrate ascomycete fungi that are native to temperate forests in the Northern Hemisphere. Recently, many new species of Tuber have been described in North America and Asia, based on morphological characteristics and molecular data. Here we describe and illustrate a new species, Tuber incognitum, based upon phylogenetic analysis and morphological description. We also present a new record for Tuber anniae in México. These two Tuber species are distributed in the Transmexican Volcanic Belt in the states of México, Michoacán, Guanajuato, Querétaro and Tlaxcala at altitudes between 2,000 and 3,200 meters. These species are associated with Pinus (T. anniae) and Quercus forests (T. incognitum)