Authors: Læssøe, Thomas & Davey, Marje L. & Petersen, Jens H.
Journal: Karstenia, Volume 56 (2016), Issue 1-2, pages 39-46.
Doi: https://doi.org/10.29203/ka.2016.474
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Key words: Niaceae, Agaricales, cyphelloids, taxonomy, phylogeny, Merismodes, Cyphelopsis

Abstract:  Based on material from Sweden and Denmark a new species of Maireina is described. It produces tiny, pale yellow brown, cyphelloid basidiomata at the very base of Filipendula ulmaria in grazed forest meadows. Phylogenetically it falls within the Niaceae clade with sisterrelations to Cyphellopsis/Merismodes. It differs from M. maxima by habitat and by smaller spores and from M. monacha by much smaller spores.

Authors: Olariaga, Ibai & Corriol, Gilles & Salcedo, Isabel & Hansen, Karen
Journal: Karstenia, Volume 56 (2016), Issue 1-2, pages 27-38.
Doi: https://doi.org/10.29203/ka.2016.473
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Key words: Typhuloid fungi, species delimitation, sclerotium

Abstract: The new species, Typhula suecica, is morphologically characterized by having partially sigmoid spores, projecting thick-walled stipe hairs, and by lacking clamp connections. The polygonal rind cells of the sclerotia are also diagnostic. Phylogenetic analyses of 58 new sequences of the LSU and tEF-1 a regions show that specimens of T. suecica form a supported monophyletic group, deeply nested in Typhula. Typhula suecica appears to be a widely distributed but rare species that occurs on leaves of angiosperm trees (Acer, Alnus, Populus) in various types of damp forests. Material from South France, the Spanish slope of the Pyrenees and Central Sweden is reported here.

Authors: Vauras, Jukka & Larsson, Ellen
Journal: Karstenia, Volume 56 (2016), Issue 1-2, pages 13-26.
Doi: https://doi.org/10.29203/ka.2016.472
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Key words: Inocybe, Agaricales, taxonomy, molecular systematics, hemiboreal zone, Europe

Abstract: Two new species, with pruinose stipe and smooth spores, are described from Fennoscandia and Estonia. Inocybe baltica is a rather large species, associated with Pinus sylvestris on calcareous sandy soils, often occurring at seashores. I. suecica is a smaller species associated with deciduous trees on more rich and calcareous soils, often found in parks and cemeteries. Both species are so far known to occur only in the hemiboreal zone.

Authors: Vauras, Jukka & Ruotsalainen, Juhani & Liimatainen, Kare
Journal: Karstenia, Volume 56 (2016), Issue 1-2, pages 5-12.
Doi: https://doi.org/10.29203/ka.2016.471
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Key words: Agaricales, Basidiomycetina, Fennoscandia, Russula, Russulales, taxonomy

Abstract:  Russula suecica, a new species occurring e.g. with species of Betula, is described and illustrated. It is known from Finland, Sweden, Norway, Canada, U.S.A. and Russia, from southern boreal zone to low-alpine belt. This species has fairly large fruit bodies, with red pileus, often with cream to whitish splodges, white stipe, often with reddish glimmer, very acrid taste, smell like Russula emetica, and creamy-yellow spore print.

Authors: Huhtinen, Seppo
Journal: Karstenia, Volume 56 (2016), Issue 1-2, pages 1-4.
Doi: https://doi.org/10.29203/ka.2016.470

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Authors: Ruotsalainen, Juhani & Huhtinen, Seppo
Journal: Karstenia, Volume 55 (2015), Issue 1-2, pages 61-68.
Doi: https://doi.org/10.29203/ka.2015.469
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Key words: Agaricales, Russula, Kühner, montane, arcticalpine mycology, Fennoscandia

Abstract: Based on a detailed study of holotypes, emended descriptions of two somewhat problematic species are given. Recent material of those taxa is also presented with colour photographs. Russula nuoljae and R. purpureofusca were both described by Kühner based on one or two fruitbodies collected from Scandinavian fjelds. R. cupreola is shown to be synonymous with R. purpureofusca.

Authors: Shiryaev, Anton G. & Kotiranta, Heikki
Journal: Karstenia, Volume 55 (2015), Issue 1-2, pages 43-60.
Doi: https://doi.org/10.29203/ka.2015.468
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Key words: aphyllophoroid fungi, East Siberia, threatened species

Abstract: Species assemblage and taxonomical notes of some aphyllophoroid fungi of the middle part of Yenisei river basin are provided. The material was collected in August 2013. Altogether 211 species belonging to 94 genera are reported. The three study localities are situated in the middle boreal subzone in East Siberia, and comparisons with some other Siberian Nature Reserves in the middle boreal subzone are made. Some threatened species are briefly discussed and a few notes on interesting specimens are given.

Authors: Kotiranta, Heikki & Shiryaev, Anton G.
Journal: Karstenia, Volume 55 (2015), Issue 1-2, pages 25-41.
Doi: https://doi.org/10.29203/ka.2015.467
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Key words: central East Siberia, clavarioid fungi, corticioid fungi, poroid fungi

Abstract:  The forests in Tunguska River basin in central East Siberia were investigated in autumn 2013. The closest study sites of Aphyllophoroid fungi are situated about 650 km south of Tunguska River in Krasnoyarsk area. Altogether 548 collections and notes were made and 248 taxa identified. The most species rich morph groups were corticioid fungi with 120 taxa, followed by 65 poroid taxa and 63 species of cantharelloid, clavarioid and hericioid fungi. The richest genus was Typhula with 17 species before Hyphodontia sensu lato (10 species), Tubulicrinis (9), Phellinus sensu lato (8) and Phlebia (8). Some short descriptions of untypical or unidentified specimens are given.

Authors: Weholt, Øyvind & Eidissen, Siw Elin & Lorås, Jostein & Alvarado, Pablo
Journal: Karstenia, Volume 55 (2015), Issue 1-2, pages 19-24.
Doi: https://doi.org/10.29203/ka.2015.466
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Key words: Agaricales, Holmvassdalen Nature Reserve, Norway, ITS

Abstract: Entoloma graphitipes var. graphitipes is here reported from one location in Holmvassdalen Nature Reserve in the county Nordland, Norway. The species was first found in Germany in 1982, and then five times in Spain. So far Holmvassdalen is the only location in Northern Europe where it has been reported. Comparison of ITS sequences from the Norwegian material and the holotype of E. graphitipes f. cystidiatum support the morphological identification. Details of macro- and microscopical features as well as ecology are presented.

Authors: Vauras, Jukka & Larsson, Ellen
Journal: Karstenia, Volume 55 (2015), Issue 1-2, pages 1-18.
Doi: https://doi.org/10.29203/ka.2015.465
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Key words: Inocybe, Agaricales, taxonomy, molecular systematics

Abstract:  Two nodulose-spored species, belonging to section Marginatae, are described from Fennoscandia. Inocybe caprimulgi grows on sandy soils from the hemiboreal zone to lowalpine zone. I. lacunarum appears often in moist depressions, in the hemiboreal and southern boreal zones. I. substellata is recorded for first time from Sweden, Norway and Finland, and I. krieglsteineri from Sweden.