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New species of Auritella (Inocybaceae) from Cameroon, with a worldwide key to the known species.

ABSTRACT: Two new species in the genus Auritella (Inocybaceae) are described as new from tropical rainforest in Cameroon. Descriptions, photographs, line drawings, and a worldwide taxonomic key to the described species of Auritella are presented. Phylogenetic analysis of 28S rDNA and rpb2 nucleotide sequence data suggests at least five phylogenetic species that can be ascribed to Auritella occur in the region comprising Cameroon and Gabon and constitute a strongly supported monophyletic subgroup within the genus. Phylogenetic analysis of ITS data supports the conspecificity of numerous collections attributed to the two new species as well as the monophyly of Australian species of Auritella. This work raises the known number of described species of Auritella to thirteen worldwide, four of which occur in tropical Africa, one in tropical India, and eight in temperate and tropical regions of Australia. This is the first study to confirm an ectomycorrhizal status of Auritella using molecular data.

SUBMITTER: Matheny PB 

PROVIDER: S-EPMC5729713 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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New species of <i>Auritella</i> (<i>Inocybaceae</i>) from Cameroon, with a worldwide key to the known species.

Matheny P Brandon PB   Henkel Terry W TW   Séné Olivier O   Korotkin Hailee B HB   Dentinger Bryn T M BTM   Aime M Catherine MC  

IMA fungus 20171018 2

Two new species in the genus <i>Auritella</i> (<i>Inocybaceae</i>) are described as new from tropical rainforest in Cameroon. Descriptions, photographs, line drawings, and a worldwide taxonomic key to the described species of <i>Auritella</i> are presented. Phylogenetic analysis of 28S rDNA and <i>rpb2</i> nucleotide sequence data suggests at least five phylogenetic species that can be ascribed to <i>Auritella</i> occur in the region comprising Cameroon and Gabon and constitute a strongly suppor  ...[more]

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