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Hymenoporus paradoxus gen. et sp. nov., a striking fungus of the family Omphalotaceae (Agaricales, Basidiomycota) with tubular hymenophore

Tkalčec, Zdenko; Mešić, Armin; Deng, Chun-Ying; Pleše, Bruna; Ćetković, Helena (2015) Hymenoporus paradoxus gen. et sp. nov., a striking fungus of the family Omphalotaceae (Agaricales, Basidiomycota) with tubular hymenophore. Phytotaxa, 204 (3). pp. 203-212. ISSN 1179-3155

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Abstract

Hymenoporus paradoxus, a new marasmioid fungal species belonging to the new genus is described from southern China. It differs from all other marasmioid species by a true tubular hymenophore, a character previously unknown in marasmioid fungi, and from all other tubular agarics by a hymenophore attached to a free collarium, and central, tough, dark and filiform stipe. The additional diagnostic characters are small basidiocarps, mostly convex pileus, smooth, hyaline, non-amyloid spores, densely packed dendriform cheilocystidia, and pileipellis composed of repent hyphae densely covered with simple to coralloid excrescences, intermixed with dendriform cells. As peculiar morphological characters had indicated, molecular phylogenetic analyses based on the 28S rDNA sequences confirm phylogenetic position of the new species in Omphalotaceae and a need to establish a new genus. Color photographs of macro- and micromorphological characters, SEM microphotographs, and a phylogenetic tree based on the partial 28S rDNA gene are provided.

Item Type: Article
Uncontrolled Keywords: biodiversity; mycobiota; phylogeny; taxonomy
Subjects: NATURAL SCIENCES > Biology
Divisions: Division for Marine and Enviromental Research
Division of Molecular Biology
Projects:
Project titleProject leaderProject codeProject type
Geni i genomi: struktura, funkcija i evolucija[218853] Helena Ćetković098-0982913-2874MZOS
Ekološko modeliranje za održivo upravljanje resursima[25590] Tarzan Legović098-0982934-2719MZOS
Depositing User: Armin Mešić
Date Deposited: 06 May 2015 10:21
Last Modified: 07 May 2015 09:58
URI: http://fulir.irb.hr/id/eprint/1816
DOI: 10.11646/phytotaxa.204.3.3

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