Barn owl (mushroom)

from Wikipedia, the free encyclopedia
Barn owl
Cortinarius praestans1.JPG

Barn Owl ( Cortinarius praestans )

Systematics
Class : Agaricomycetes
Subclass : Agaricomycetidae
Order : Mushroom-like (Agaricales)
Family : Veil relatives (Cortinariaceae)
Genre : Veils ( Cortinarius )
Type : Barn owl
Scientific name
Cortinarius praestans
( Cordier ) Gillet (1876)

The barn owl or blue-booted mucous head ( Cortinarius praestans ) is a species of fungus from the genus of the veils ( Cortinarius ) from the subgenus of the mucous heads and belongs to the family of veil relatives (Cortinariaceae).

features

The hat is reddish-brown and, when young, is covered by a whitish-purple shell . He is 10 to 20 centimeters tall. The brim of the hat soon becomes wrinkled and ripped. The lamellae are whitish when young and then turn light brownish; Compared to the thick hat flesh, they are narrow, but stand close together. The slats are notched on the underside. The stem is firm, light and becomes up to 25 centimeters long. The stem base is bulbous. The flesh is purple in young specimens, later whitish and has no special smell, it is tender and firm. The spore powder is rusty brown.

ecology

The blue-booted mucous head is a mycorrhizal fungus that is particularly associated with red beech , also with oak , hazelnut , and more rarely with conifers. The warmth-loving barn owl occurs in natural, herb-rich coniferous and deciduous forests with calcareous soil. In Central Europe, the fruiting bodies appear in summer and autumn.

distribution

The barn owl is found in Europe and Asia. The species is rare in Germany and absent in northern Germany. The barn owl is common in Switzerland, in some areas it can be rare, but in a suitable location it occurs in large numbers.

meaning

The barn owl is considered a very good edible mushroom, which is also traded in France and Switzerland. Since the species can easily be mistaken for poisonous veils and accumulates heavy metals, collecting for food is not recommended. The species was declared mushroom of the year 2010 by the German Society for Mycology .

threat

Despite its occasional mass occurrence, the barn owl is overall rare and threatened by modern forest management and the decline in natural forests. The species should therefore be spared.

research

In vitro experiments show an antibacterial effect against Pseudomonas aeruginosa and Staphylococcus aureus for extracts from the barn owl .

literature

  • RM Dähncke: 200 mushrooms. 5th edition, Verlag Aargauer Tagblatt, Aarau 1992, ISBN 3-85502-145-7
  • Josef Breitenbach, Fred Kränzlin (Ed.): Mushrooms of Switzerland. Contribution to knowledge of the fungal flora in Switzerland. Volume 5: Agarics. Part 3: Cortinariaceae. Mykologia, Luzern 2000, ISBN 3-85604-050-1 .
  • E. Horak: Bolete and agaric mushrooms in Europe. 6th completely revised edition, Elsevier - Spektrum Akademischer Verlag, Munich 2005, ISBN 978-3-827-41478-6 .

Web links

Commons : Barn Owl (Mushroom) ( Cortinarius praestans )  - Collection of images, videos and audio files

swell

  1. ↑ [1] Mushroom of the Year. 2010: Cortinarius praestans, Barn Owl. Retrieved January 13, 2014.
  2. ↑ Janeš, D., Kreft, S., Jurc, M., Seme, K., Štrukelj (2007). Antibacterial Activity in Higher Fungi (Mushrooms) and Endophytic Fungi from Slovenia. Pharmaceutical Biology, 45, 9: 700-706 https://www.researchgate.net/publication/259469827_Antibacterial_activity_in_higher_fungi_mushrooms_and_endophytic_fungi_from_Slovenia