Acanthobasidium norvegicum

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Acanthobasidium norvegicum
Systematics
Class : Agaricomycetes
Subclass : insecure position (incertae sedis)
Order : Russulales (Russulales)
Family : Layer mushroom relatives (Stereaceae)
Genre : Acanthobasidium
Type : Acanthobasidium norvegicum
Scientific name
Acanthobasidium norvegicum
( J. Erikss. & Ryvarden ) Boidin , Lanq. , Cand. , Gilles & Hugueney

Acanthobasidium norvegicum is a species of fungus from the family of layer fungus relatives (Stereaceae). It is a small, corticoid fungus thatgrowson dead branches of common heather and similar woody plants.

features

The somewhat elongated and corticoid fruiting bodies are firmly attached to the substrate. They are up to 3 cm long, 2-4 mm wide and about 50 µm thick. The smooth hymenophore is whitish to pale cream in color and has a fairly soft consistency.

The monomitic hyphae system consists of a thin layer of tangled, interwoven, thin-walled hyphae that lie against the substrate and are approximately 2-4 µm wide. All septa have buckles . Acanthohyphids are only scattered and sparse. They are club-shaped, 15–20 µm long and 5–8 µm wide. At their upper end they have a few protrusions (protuberances). The gloeocystids are numerous and of variable shape and size. They are 30–50 µm long and often teat-shaped at the tip. Their content is more or less granular or oily and turns yellowish to light brown with Melzer's reagent . In KOH they are only pale yellow in color. The basidia are 30–40 µm long and 8–10 µm wide and have 2 sterigms . Very few have lateral protrusions (protuberances). The 10–15 µm long and 5–7 µm wide basidiospores are ellipsoidal to oblong or almost cylindrical. They are finely ornamented.

The mushroom is not an edible mushroom.

Species delimitation

The species can be recognized by its two-pored basidia and by its tiny spores. The acanthohyphids have narrow outgrowths at their upper end; Basidia with protuberances are extremely rare.

Ecology and diffusion

The mushrooms grow on dead plant material such as dead branches of heather , heath , blackberries and Porst , but also on pine needles. The fungus has been found in France, Portugal, Norway, Denmark, Spain, Germany and Great Britain.

Systematics

The species was first described by J. Eriksson & Ryvarden in 1973 as Aleurodiscus norvegicus . In 1986 it was placed in the genus Acanthobasidium by Boidin and his co-authors .

Molecular biological studies show that the species, together with Aleurodiscus weirii and Acanthobasidium phragmitis, forms a branch within the layer fungus relationship (Stereaceae) and that these three species are a sister taxon of Aleurodiscus (ss).

Individual evidence

  1. a b c d Acanthobasidium norvegicum. In: MycoBank.org. International Mycological Association, accessed February 19, 2013 .
  2. a b Acanthobasidium norvegicum in the CBS Aphyllophorales database. . In: cbs.knaw.nl . 1997. Accessed on March 24, 2013.  ( Page no longer available , search in web archivesInfo: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice.@1@ 2Template: Dead Link / www.cbs.knaw.nl  
  3. Sheng-Hua Wu, David S. Hibbett, Manfred Binder: Phylogenetic analyzes of Aleurodiscus s. l. and allied genera . In: The Mycological Society of America (Ed.): Mycologia . Vol. 93 (4). Lawrence 2001, p. 720-731 ( online ).
  4. ^ Synonyms of Acanthobasidium norvegicum. (J. Erikss. & Ryvarden) Boidin, Lanq., Cand., Gilles & Hugueney, in Boi, Bull. Trimest. Soc. mycol. Fr. 101 (4): 341 (1986). In: SpeciesFungorum. on speciesfungorum.org, accessed March 27, 2013 .