Journal
NORDIC JOURNAL OF BOTANY
Volume 37, Issue 7, Pages -Publisher
WILEY
DOI: 10.1111/njb.02394
Keywords
heterobasidiomycetes; internal transcribed spacer; sphaeropedunculate basidium; taxonomy
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Funding
- Norwegian Biodiversity Information Centre [knr. 44-15]
- Komarov Botanical Institute of the Russian Academy of Sciences
- Estonian Science Agency [IUT20-30]
- European Union through the European Regional Development Fund (Centre of Excellence FIBIR)
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Morphological and DNA data show that effused representatives of the Auriculariales (Basidiomycota) with sphaeropedunculate basidia belong to eleven genera of which seven are dealt with in this study. Among them, Myxarium is the largest genus containing 21 accepted species of which nine are reintroduced below and five are described as new. Protodontia is limited to three species only, P. subgelatinosa (the generic type) and two newly described species from Africa. Protoacia is a new monotypic genus for P. delicata, sp. nov., widely distributed on coniferous hosts in Eurasia. Myxariellum is erected for two new species with smooth hymenophore from northwestern North America while Gelacantha is introduced for G. pura, a new species with hydnoid hymenophore from Caucasus. Our data do not confirm the present synonymy of Sebacina sphaerospora with Tremella glaira, and these species are placed in two separate genera - Hydrophana, gen. nov., and Ofella, gen. nov., respectively. A key to European Myxarium and similar-looking species is included.
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