Kuehneromyces mutabilis (Schaeff.) Singer & A.H. Sm.
(Sheathed Woodtuft, Velvet Tough-shank)

Taxonomic hierarchy:
SpeciesKuehneromyces mutabilis (Sheathed Woodtuft, Velvet Tough-shank)
GenusKuehneromyces (a genus of woodtuft toadstools)
FamilySTROPHARIACEAE (a family of toadstools)
OrderAGARICALES (mushrooms and toadstools)
SubclassAGARICOMYCETIDAE (a subclass of basidiomycetes)
ClassAGARICOMYCETES (a class of fungi)
SubphylumAGARICOMYCOTINA (a subphylum of fungi)
PhylumBASIDIOMYCOTA (spore droppers, basidiomycetes)
KingdomFUNGI (true fungi)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Kuehneromyces mutabilis (Sheathed Woodtuft, Velvet Tough-shank) :
1: Kuehneromyces mutabilis (Sheathed Woodtuft, Velvet Tough-shank)
5 Sep 1982 OSGR: SU26 51° 20’ N, 1° 40’ W Vice County: North Wilts (VC 7) England
Image 1: Fruitbodies - in situImage 2: Fruitbodies - in situ - close-upImage 3: Fruitbodies - in situ - side view - close-upImage 4: Fruitbodies - side viewImage 5: Fruitbodies - side view (2)Image 6: Fruitbody - side viewImage 7: Rings - close-upImage 8: Cheilocystidia - magnifiedImage 9: Spores - highly magnifiedImage 10: DescriptionImage 11: Description - contd
2: Kuehneromyces mutabilis (Sheathed Woodtuft, Velvet Tough-shank)
24 May 1974 OSGR: SE33 53° 50’ N, 1° 30’ W Vice County: Mid-west Yorks (VC 64) England
on stump
Image 1: Fruitbodies - old - top view - in situImage 2: Fruitbodies - undersides showing gills and stipes - lain downImage 3: Fruitbodies - young - top view - in situ

Identification Works

AuthorYearTitleSource
Pegler, D.N. & Young, T.W.K. 1972 Basidiospore form in the British species of Galerina and Kuehneromyces Kew Bulletin Vol 27 (2): 483-500+18 plates.
Treu, R. Pholiota mutabilis I.M.I. Descriptions of Pathogenic Fungi and Bacteria CMI Descriptions of Pathenogenic Fungi and Bacteria Sheet 1280.
Weightman, J. 2014 From shredded wheat to flour – a look at stipe ornament Field Mycology Vol 15 (3): 100-103.

Kuehneromyces mutabilis (Sheathed Woodtuft, Velvet Tough-shank) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Kuehneromyces mutabilis (Sheathed Woodtuft, Velvet Tough-shank)
BioInfoBioInfo (www.bioinfo.org.uk) has 44 host/parasite/foodplant and/or other relationships for Kuehneromyces mutabilis (Sheathed Woodtuft, Velvet Tough-shank)

A conmmon brown toadstool with a ring and dark brown shaggy stipe. It grows on stumps and rotten wood of frondose trees, especially birch (Betula) and Beech (Fagus), less often conifers (eg Picea). Considered an edible species, great care must be taken to distinguish this from the rather similar Galerina marginata (Funeral Bell) which is deadly poisonous and can grow in the same habitat, although it prefers coniferous wood.

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