New species and records of saprophytic ascomycetes (Myxotrichaceae) from decaying logs in the boreal forest |
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| Authors: | Lynne Sigler Trevor C Lumley Randolph S Currah |
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| Institution: | (1) University of Alberta Microfungus Collection and Herbarium, T6G 2E1 Edmonton, Alberta, Canada;(2) Department of Biological Sciences, University of Alberta, T6G 2E9 Edmonton, Alberta, Canada;(3) Present address: Environmental Microbiology Laboratory Inc., Sullivan Ave., Suite 209, 94015 Daly City, CA, USA |
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| Abstract: | Decayed wood from fallen white spruce (Picea glauca) and trembling aspen (Populus tremuloides) collected in northeastern Alberta, Canada, was the source of new isolates of species in the ascomycete generaGymnostellatospora andPseudogymnoascus. In addition to new reports ofG. japonica, G. frigida andP. roseus, two new species are described.Gymnostellatospora canadensis sp. nov. resemblesG. japonica but differs in producing brown ascomata and in the formation of an arthroconidial anamorph.Gymnostellatospora subnuda sp. nov. is distinct in lacking differentiated peridial hyphae.Gymnostellatospora alpina was not found in decayed wood but is reviewed based on extralimital material. A dichtomous key to the five species ofGymnostellatospora is provided. |
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| Keywords: | Gymnostellatospora Malbranchea Myxotrichaceae Pseudogymnoascus |
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