Gorjón, u.a.
Sydowia Vol. 73 E-Book/S 13-19
Phylogeny of Podofomes trogii reveals its relationships
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In: Sydowia 73, (2021): 13-19; ISSN 0082-0598, DOI 10.12905/0380.sydowia73-2020-0013, Published online on September 25, 2020

Phylogeny of Podofomes trogii reveals its relationships with Datronia in the Polyporaceae (Basidiomycota)

Sergio P. Gorjón1,*, Elí Misael Bobadilla-Peñaló2 & Javier Bobo-Pinilla1

1 BIOCONS-Department of Botany and Plant Physiology, University of Salamanca, Calle Licenciado Méndez Nieto s/n,
37007 Salamanca, Spain
2 Av. Pres. Antonio Guzmán km 5½, La Herradura, 166 Santiago, Dominican Republic
* e-mail: spgorjon@usal.es

Gorjón S.P., Bobadilla-Peñaló E.M. & Bobo-Pinilla J. (2020) Phylogeny of Podofomes trogii reveals its relationships with
Datronia in the Polyporaceae (Basidiomycota). – Sydowia 73: 13–19.
The monotypic genus Podofomes, with the species Podofomes trogii, is a stipitate polypore with annual, reniform to infundibuliform
pilei with a black crust, concentrically zonate, irregularly decurrent pores, a trimitic hyphal system, clamped generative
hyphae, absence of cystidial elements, and ellipsoid, smooth, non-reacting in Melzer’s reagent basidiospores. It is a rare
species growing specifically on roots of Abies spp., causing a white rot, and distributed in Central and Southern Europe and in
the Caucasus. To date, phylogenetic relationships are unknown, and the species was related, based on morphology, to the polypore
genus Ischnoderma. The present phylogeny, based on ITS analyses, recovers Podofomes trogii among other species of Datronia
and close to its generic type Datronia mollis. We provide a complete description of the species with comments on its distribution
and habitat, and notes on the taxonomy of the genus.

Keywords: Abies, Cerioporus, Polyporales, Polyporus, taxonomy. – 2 new combinations
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