Rhodocollybia butyracea (Bull.) Lennox
(Butter Cap)

Taxonomic hierarchy:
SpeciesRhodocollybia butyracea (Butter Cap)
GenusRhodocollybia (a genus of toughshank toadstools)
FamilyOMPHALOTACEAE (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 Rhodocollybia butyracea (Butter Cap) :
1: Rhodocollybia butyracea (Butter Cap)
21 Nov 1998 OSGR: SU66 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
in needle litter under Scots Pine
Image 1: Cap - dryImage 2: Cap - imbibedImage 3: Cap - LSImage 4: Cap - side-viewImage 5: Cap surface - dry - close-upImage 6: Cap surface - imbibed - close-upImage 7: Cap undersideImage 8: FruitbodiesImage 9: Fruitbodies (2)Image 10: Fruitbody - LSImage 11: Fruitbody - undersideImage 12: Fruitbody - underside (2)Image 13: Fruitbody - underside (3)Image 14: Fruitbody - youngImage 15: GillsImage 16: Gills - close-upImage 17: Stipe - close-upImage 18: Gill edgeImage 19: Gill edge (2)Image 20: SporesImage 21: Spores (2)
2: Rhodocollybia butyracea (Butter Cap)
16 Sep 1986 OSGR: SU26 51° 20’ N, 1° 40’ W Vice County: North Wilts (VC 7) England
Image 1: Fruitbody - half dry - top view - close-up - in situImage 2: Fruitbody - side view - in situImage 3: Fruitbody - side view - in situ - base exposedImage 4: Fruitbody - side view - lain downImage 5: Fruitbody - side view showing gills - lain downImage 6: Fruitbody - young - side view - lain downImage 7: Spores - highly magnifiedImage 8: DescriptionImage 9: Description - contd
3: Rhodocollybia butyracea (Butter Cap)
11 Nov 1979 OSGR: SU93 51° 10’ N, 0° 40’ W Vice County: Surrey (VC 17) England
Image 1: Caps - close-upImage 2: GillsImage 3: Group - in situImage 4: Lain downImage 5: Cap - enlargedImage 6: Cap - enlarged (2)Image 7: Gill edge hairs - highly magnifiedImage 8: Spores - highly magnifiedImage 9: Field notes
4: Rhodocollybia butyracea (Butter Cap)
13 Oct 1974 OSGR: SU97 51° 30’ N, 0° 40’ W Vice County: Berks (VC 22) England
Image 1: CapImage 2: Old specimen - close-upImage 3: Upturned to show gills

Rhodocollybia butyracea (Butter Cap) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Rhodocollybia butyracea (Butter Cap)
BioInfoBioInfo (www.bioinfo.org.uk) has 8 host/parasite/foodplant and/or other relationships for Rhodocollybia butyracea (Butter Cap)

The Butter Cap grows in the leaf litter of both deciduous and coniferous woodland. It is a very common toadstool throughout the British Isles.

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