A novel sequestrate species from Mexico: Aroramyces guanajuatensis sp. nov. (Hysterangiaceae, Hysterangiales).
MycoKeys, 2019;61:27-37.
Peña-Ramírez R[1, 2], Ge ZW[2], Gaitán-Hernández R[3], Martínez-González CR[1, 2, 4, 3], Guevara-Guerrero G[1]
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PMID: 31866740DOI: 10.3897/mycokeys.61.36444
Impact factor: 3.111
Abstract
Knowledge of sequestrate Hysterangiaceae fungi in Mexico is very limited. In the present study, a new member of the family, Aroramyces guanajuatensis sp. nov., is described. This speciesis closely related to A. balanosporus, but differs from the latter in possessing a tomentose peridium 165-240 µm thick, with occasional large terminal hyphae up to 170 µm, a variable mesocutis (isodiametric to angular), and distinct bright yellowish subcutis. In contrast, A. balanosporus possesses a fibrillose peridial surface with shorter hyphae, a peridium 200-450 µm thick, and a mainly hyaline isodiametric mesocutis with a slightly wider subcutis. The phylogenetic analysis of the LSU gene separated A. guanajuatensis from A. balanosporus with a Bayesian posterior probability (PP) = 1. This is the third Aroramyces species described for the American continent.
Keywords: Truffle; hypogeous fungi; sequestrate fungi; truffle-like
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