Russula fragilis var fragilis Fr.
(Fragile Brittlegill, Fragile Russula)

Taxonomic hierarchy:
VarietyRussula fragilis var fragilis (Fragile Brittlegill, Fragile Russula)
SpeciesRussula fragilis (Fragile Brittlegill, Fragile Russula)
GenusRussula (brittlegill toadstools, russulas)
FamilyRUSSULACEAE (milkcaps and russulas)
OrderRUSSULALES (an order of 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 Russula fragilis var fragilis (Fragile Brittlegill, Fragile Russula) :
1: Russula fragilis var fragilis (Fragile Brittlegill, Fragile Russula)
18 Sep 2004 OSGR: SU56 51° 20’ N, 1° 20’ W Vice County: Berks (VC 22) England
3 fruitbodies growing in Polytrichum, under oak
Image 1: Cap - close-upImage 2: Cap - close-up (2)Image 3: Cap - close-up (3)Image 4: Caps - in situImage 5: FruitbodiesImage 6: Fruitbody - side view - close-up - landscapeImage 7: Fruitbody - side view - close-up - portraitImage 8: Dermatocystidia - magnifiedImage 9: Dermatocystidia - magnified (2)Image 10: Dermatocystidia - magnified (3)Image 11: Dermatocystidia - microscope low magnificationImage 12: Dermatocystidia - microscope low magnification (2)Image 13: Dermatocystidia - microscope low magnification (3)Image 14: Dermatocystidia - microscope low magnification (4)Image 15: Dermatocystidia - microscope low magnification (5)Image 16: Dermatocystidia - microscope low magnification (6)Image 17: Spores - magnifiedImage 18: Spores - highly magnifiedImage 19: Spores - highly magnified (2)Image 20: Spores - highly magnified (3)
2: Russula fragilis var fragilis (Fragile Brittlegill, Fragile Russula)
1 Nov 2003 OSGR: SU56 51° 20’ N, 1° 20’ W Vice County: Berks (VC 22) England
Image 1: Cap (from 2nd specimen)Image 2: CapImage 3: Fruitbody - side viewImage 4: Fruitbody - side view (2)Image 5: Gill edges - enlargedImage 6: Gill edges - enlarged (2)Image 7: Gills - enlargedImage 8: Gills - enlarged (2)Image 9: Gills - enlarged (3)Image 10: Gills - enlarged (4)Image 11: Dermatocystidia - magnifiedImage 12: Dermatocystidia - magnified (2)Image 13: Dermatocystidia - magnified (3)Image 14: Dermatocystidia - magnified (4)Image 15: Spores - magnifiedImage 16: Spores - magnified (2)Image 17: Spores - highly magnifiedImage 18: Spores - highly magnified (2)
3: Russula fragilis var fragilis (Fragile Brittlegill, Fragile Russula)
24 Sep 2001 OSGR: SU56 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
On ground, under Beech, Oak (Hazel nearby)
Image 1: Cap - oblique viewImage 2: Cap - top viewImage 3: Fruitbody - oblique viewImage 4: Fruitbody - side viewImage 5: Fruitbody - undersideImage 6: Stipe + Ferrous sulphateImage 7: Gill edge - magnifiedImage 8: Gill edges - enlargedImage 9: Gill edges - magnifiedImage 10: Gills at margin - enlargedImage 11: Gills - enlargedImage 12: Dermatocystidia - clavate - non-staining - magnifiedImage 13: Dermatocystidia - cylindric, septate, strongly staining - magnifiedImage 14: Dermatocystidium - cylindric, septate, strongly staining - magnifiedImage 15: Spores (best image) - highly magnifiedImage 16: Spores - magnifiedImage 17: Spores - magnified (2)Image 18: Spores - highly magnifiedImage 19: Spores - highly magnified (2)Image 20: Spores - highly magnified (3)
4: Russula fragilis var fragilis (Fragile Brittlegill, Fragile Russula)
20 Oct 1978 OSGR: SU94 51° 10’ N, 0° 40’ W Vice County: Surrey (VC 17) England
Under birch, oak, willow
Image 1: Fruitbodies - oblique view - in situImage 2: Fruitbody - side view showing gills - lain down
5: Russula fragilis var fragilis (Fragile Brittlegill, Fragile Russula)
28 Oct 1977 OSGR: SU96 51° 30’ N, 0° 40’ W Vice County: Surrey (VC 17) England
Under oak, birch, Beech
Image 1: Fruitbody - side view - in situImage 2: Fruitbody - side view - in situ (2)Image 3: Fruitbody - side view showing gills - lain downImage 4: Fruitbody - top view - in situ

Russula fragilis var fragilis (Fragile Brittlegill, Fragile Russula) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Russula fragilis var fragilis (Fragile Brittlegill, Fragile Russula)
BioInfoBioInfo (www.bioinfo.org.uk) has 3 host/parasite/foodplant and/or other relationships for Russula fragilis var fragilis (Fragile Brittlegill, Fragile Russula)
Creative Commons License
This website is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Licence.

Unless otherwise expressly stated, all original material on the BioImages website by Malcolm Storey is licensed under the above Creative Commons Licence.

Photographs from other photographers are used with permission but not included under the above CC licence.

BioImages - Virtual Field-Guide (UK)