Studies in the Stypella vermiformis group (Auriculariales, Basidiomycota)

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Spirin , V , Malysheva , V , Haelewaters , D & Larsson , K-H 2019 , ' Studies in the Stypella vermiformis group (Auriculariales, Basidiomycota) ' , Antonie van Leeuwenhoek , vol. 112 , no. 5 , pp. 753-764 .

Title: Studies in the Stypella vermiformis group (Auriculariales, Basidiomycota)
Author: Spirin, Viacheslav; Malysheva, Vera; Haelewaters, Danny; Larsson, Karl-Henrik
Contributor organization: Finnish Museum of Natural History
Date: 2019-05
Language: eng
Number of pages: 12
Belongs to series: Antonie van Leeuwenhoek
ISSN: 1572-9699
Abstract: Stypella vermiformis is a heterobasidiomycete producing minute gelatinous basidiocarps on rotten wood of conifers in the Northern Hemisphere. In the current literature, Stypella papillata, the genus type of Stypella (described from Brazil), is treated as a taxonomic synonym of S. vermiformis. In the present paper, we revise the type material of S. papillata and a number of specimens addressed to S. vermiformis. As a result, the presumed synonymy of S. papillata and S. vermiformis is rejected and the genus Stypella is restricted to the single species S. papillata. Morphological and molecular phylogenetic studies of specimens from the Northern Hemisphere corresponding to the current concept of S. vermiformis uncovered three species from two newly described genera. S. vermiformis s.str. is distributed in temperate Europe and has small-sized basidia and basidiospores, and it is placed in a new genus, Mycostilla. Another genus, Stypellopsis, is created for two other species, the North American Stypellopsis farlowii, comb. nov., and the North European Stypellopsis hyperborea, sp. nov. Basidia and basidiospores of Stypellopsis spp. are larger than in Mycostilla vermiformis but other morphological characters are very similar. In addition, Spiculogloea minuta (Spiculogloeomycetes, Pucciniomycotina) is reported as new to Norway, parasitising basidiocarps of M. vermiformis and Tulasnella spp.
Subject: 1181 Ecology, evolutionary biology
5 new taxa
4 new typifications
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion

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