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Bjerkandera fumosa

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Species of fungus

Bjerkandera fumosa
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Polyporales
Family: Meruliaceae
Genus: Bjerkandera
Species: B. fumosa
Binomial name
Bjerkandera fumosa
(Pers.) P.Karst. (1879)
Synonyms
  • Boletus fumosus Pers. (1801)

Bjerkandera fumosa is a species of poroid fungus in the family Meruliaceae.

Taxonomy

It was first described to science as Boletus fumosus by Christiaan Hendrik Persoon in 1801. Petter Adolf Karsten transferred the species to the genus Bjerkandera in 1879.

Description

The form of Bjerkandera fumosa fruit bodies ranges from effused-reflexed (spread out over the substrate and turned back at the margin to form a cap) or cap-like, but attached directly to the substrate without a stipe. These caps can be solitary or closely overlapping, and are often fused with neighbouring caps. The caps typically measure 5–10 cm (2.0–3.9 in) wide by 2 cm (0.8 in) wide, and a buff-coloured upper surface with a texture ranging from finely hairy (tomentose) to smooth. The pores on the cap underside are circular to angular, numbering 2–5 per millimetre.

Bjerkandera fumosa has a monomitic hyphal system, containing only generative hyphae. The basidia are club-shaped, measuring 20–22 μm. Spores have the shape of short cylinders, and measure 5.5–7 by 2.5–3.5 μm. They are smooth, hyaline, and do not react with Melzer's reagent.

Habitat and distribution

Bjerkandera fumosa causes a white rot in various hardwood species. It has a circumboreal distribution in the Northern Hemisphere.

References

  1. Persoon, C.H. (1801). Synopsis methodica fungorum (in Latin). Göttingen: Apud Henricvm Dieterich. p. 530.
  2. Karsten, P.A. (1879). "Symbolae ad mycologiam Fennicam. VI". Meddelanden Af Societas Pro Fauna et Flora Fennica (in Latin). 5: 15–46.
  3. ^ Ryvarden, Leif; Melo, Ireneia (2014). Poroid Fungi of Europe. Synopsis Fungorum. Vol. 31. Oslo, Norway: Fungiflora. pp. 116–117. ISBN 978-8290724462.
Taxon identifiers
Bjerkandera fumosa
Boletus fumosus
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