Category Archives: Volume 34 1994

Svalbard Pyrenomycetes. An annotated checklist

Authors: Holm, Lennart & Holm, Kerstin
Journal: Karstenia, Volume 34 (1994), Issue 2, pages 65-78.
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Key words: ascomycetes, checklist, Norway, pyrenomycetes, Svalbard

Abstract:  The list comprises 135 species, six of which are only referred to genus as possibly representing undescribed taxa. Twenty-three species are new to Svalbard. Several species, previously reported from the area but probably or surely in error, are listed in an appendix. Two new combinations are published, viz. Phaeosphaeria weberi (Oudem.) L. & K.Holm and Wettsteinina distincta (P. Karst.) L. & K.Holm.

A sampler making discrete spore prints, useful for spore release studies

Authors: Kurkela, Timo
Journal: Karstenia, Volume 34 (1994), Issue 2, pages 61-64.
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Key words: spore release, spore trap

Abstract:  A spore trap in which suction time, air flow, and time intervals may be varied is described. During each sampling interval, air spora are collected at the periphery of a standing drum, making discrete spore prints on an adhesiYe surface. At the end of the total sampling period, the tape is cut into small pieces and mounted for example in Kaiser’s glycerine for microscopy. This sampling device has proved especially useful in spore release studies.

Tanzanian mushrooms and their uses 4. Some reddish edible and poisonous Amanita species

Authors: Härkönen, Marja & Saarimäki, Tiina & Mwasumbi, Leonard
Journal: Karstenia, Volume 34 (1994), Issue 2, pages 47-60.
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Key words: Africa, Amanita, edible mushrooms, ethnomycology, poisonous mushrooms, Tanzania, taxonomy

Abstract:  Three new species of Amanita, section Vaginatae, are described from Tanzania: A. tanzanica Härk. & Saarim., A. masasiensis Härk. & Saarim. and A. mafingensis Härk. & Saarim. These species are related to A. hemibapha (Berk. & Br.) Sacc., the tropical relative of A. caesarea (Scop. : Fr.) Pers. All the new species are considered edible by the local people and have a collective vernacular name in each tribe. They are often confused with the poisonous A. muscaria (L.: Fr.) Pers., which is abundant in exotic pine plantations, and mushroom poisonings, even fatal ones, occur.

A new species of Rhodocybe from Finland

Authors: Nordeloos, Machiel E. & Kosonen, Lasse
Journal: Karstenia, Volume 34 (1994), Issue 2, pages 43-45.
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Key words: Agaricales, Basidiomycotina, Entolomataceae, Rhodocybe, Rhodocybe fuscofarinaceae, sp. nova

Abstract:  Rhodocybe fuscofarinacea Kosonen & Noordel., belonging to the section Rhodophana, is described as new from Finland. The differences between this and related taxa are discussed, and a key is presented to the European taxa in section Rhodophana.

Aleuria bicucullata versus Aleuria luteonitens (Pezizales, Ascomycetes)

Authors: Billekens, Peter
Journal: Karstenia, Volume 34 (1994), Issue 2, pages 34-41.
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Key words: Aleuria bicucullata, Aleuria luteonitens, anatomical differences, Ascomycetes, Ascomycotina, Pezizales

Abstract:  On the basis of fresh material collected in the environs of Venlo (province of Limburg, The Netherlands), the author describes two species of the genus Aleuria which are extremely difficult to distinguish in the field. Microscopical studies proved this material to belong to Aleuria bicucullata (Baud.) Gillet and A. luteonitens (Berk. & Broome) Gillet. In the present paper these taxa are compared and contrasted in detail, with Table 1 listing the differences between them.

Novelties in Russula: R. olivobrunnea, R. intermedia and R. groenlandica

Authors: Ruotsalainen, Juhani & Vauras, Jukka
Journal: Karstenia, Volume 34 (1994), Issue 1, pages 21-34.
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Key words: Agaricales, Basidiomycetes, Fennoscandia, Picea abies, Russula claroflava, R. fusconigra, R. groenlandica, R. intermedia, R. lundellii, R. olivobrunnea, taxonomy

Abstract: Russula olivobrunnea Ruots. & Vauras is described as a new species, known from Finland, Sweden, Norway and Austria. Its distribution in Fennoscandia is mapped, and its ecology and relationships are discussed. It is a boreal species growing with Picea abies in moist herb-rich forests. A neotype is selected for R. intermedia P. Karst., which is an older, legitimate name for the well-known species R. lundellii Singer. The distribution of R. intermedia in Finland is mapped. The new name R. groenlandica Ruots. & Vauras is proposed for R. claroflava var. viridis Knudsen & T. Borgen. The importance of examining pileipellis characteristics with the reagent fuchsin is emphasized, even those of the acrid yellow-spored Russula species.

Tanzanian mushrooms and their uses 3. Termitomyces singidensis, sp. Nov.

Authors: Saarimäki, Tiina & Härkönen, Marja & Mwasumbi, Leonard
Journal: Karstenia, Volume 34 (1994), Issue 1, pages 13-20.
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Key words: Africa, Agaricales, ethnomycology, Tanzania, taxonomy, Termitomyces singidensis

Abstract:  A new Termitomyces (Agaricales), T. singidensis Saarim. & Härk., is described and illustrated. Found in several localities near Singida town in central Tanzania, East Africa, it is collected for home consumption and offered for sale in local markets and on roadsides. Its resemblance to T. lanatus R. Heim, T. magoyensis Otieno, T. mammiformis R. Heim, and T. schimperi (Pat.) R. Heim is discussed.

Finnish records of discomycetes: type studies on some Karsten species

Authors: Huhtinen, Seppo
Journal: Karstenia, Volume 34 (1994), Issue 1, pages 5-12.
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Key words: Discomycetes, Karsten, taxonomy, type studies

Abstract:  Peziza virella P. Karst. is shown to be conspecific with Amicodisca brdensis (Velen.) Svr. and a new combination, Amicodisca virella (P. Karst.) Huhtinen, is proposed. Peziza sordidula P. Karst. is placed in the genus Pseudohelotium Fuckel and is shown to offer an earlier name for Belonium vernale Velen. The genus Aleuriella (P. Karst.) P. Karst. is considered as distinct from Mollisia (Fr.) P. Karst. Aleuriella personata (P. Karst.) P. Karst. may offer an earlier name for Mollisia psilopezizoides Svrcek. Peziza perforata P. Karst. is shown to be a synonym of Tarzetta catinus (Holmsk. : Fr.) Korf & Rogers. Typification for each of the treated taxa is clarified.

Polyporus admirabilis (Polyporaceae), new to Europe

Authors: Núñez, Maria
Journal: Karstenia, Volume 34 (1994), Issue 1, pages 1-3.
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Key words: Aphyllophorales, Europe, Polyporus

Abstract:  Polyporus admirabilis Peck, a North American species, has recently been found in Norway. The species is described, and the differences between it and other, similar species are discussed. P. admirabilis resembles large specimens of P. varius, but spores are smaller and the microstructure of the pilear surface is different. The Norwegian finds derive from trunks of living Quercus petraea and Malus domestica.