Stropharia caerulea Kreisel
(Blue Roundhead)

Taxonomic hierarchy:
SpeciesStropharia caerulea (Blue Roundhead)
GenusStropharia (roundhead 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 Stropharia caerulea (Blue Roundhead) :
1: Stropharia caerulea (Blue Roundhead)
8 Nov 1997 OSGR: SU56 51° 30’ N, 1° 20’ W Vice County: Berks (VC 22) England
Image 1: Cap - dryImage 2: Cap - moistImage 3: Cap surface - close-upImage 4: FruitbodiesImage 5: Fruitbody showing ringImage 6: GillsImage 7: Gills (2)Image 8: Gills and stipe apexImage 9: StipeImage 10: Stipe and ring
2: Stropharia caerulea (Blue Roundhead)
17 Oct 1997 OSGR: SU48 51° 30’ N, 1° 20’ W Vice County: Berks (VC 22) England
Image 1: CapImage 2: Cap (2)Image 3: Cap - LS showing gill attachmentImage 4: Cap margin - close-upImage 5: Cap surface - close-upImage 6: Cap surface - close-up (2)Image 7: Cap under-surfaceImage 8: FruitbodyImage 9: Fruitbody (2)Image 10: Fruitbody (3)Image 11: GillsImage 12: Gills (2)Image 13: Stipe and LSImage 14: Stipe and LS (2)
3: Stropharia caerulea (Blue Roundhead)
23 Sep 1980 OSGR: SU18 51° 30’ N, 1° 40’ W Vice County: North Wilts (VC 7) England
Image 1: Cap - in situImage 2: Caps - in situImage 3: Cap - young - in situImage 4: CollectionImage 5: Side view - in situImage 6: Side view - in situ (2)Image 7: Side view - in situ (3)Image 8: Side view - in situ (4)Image 9: Side view - lain downImage 10: Side view - lain down (2)Image 11: Cheilo-chrysocystidia - magnifiedImage 12: Cheilocystidia - magnifiedImage 13: Clamped hypha from lower stipe - magnifiedImage 14: Pleuro-chrysocystidia - magnifiedImage 15: Spores - highly magnifiedImage 16: DescriptionImage 17: Description - contdImage 18: Description - contd 2
4: Stropharia caerulea (Blue Roundhead)
18 Oct 1978 OSGR: SU94 51° 10’ N, 0° 40’ W Vice County: Surrey (VC 17) England
Image 1: CapImage 2: Close-upImage 3: Side view - lain down
5: Stropharia caerulea (Blue Roundhead)
17 Nov 1970 OSGR: TG10 52° 40’ N, 1° 10’ E Vice County: East Norfolk (VC 27) England
Image 1: CapsImage 2: Collection

Identification Works

AuthorYearTitleSource
Brand, A.W. 1987 Profiles of Fungi No. 8: Stropharia cyanea Mycologist Vol 1 (4): 175.
Kibby, G. 2010 Fungal portraits: No. 41: Stropharia caerulea and other green Stropharia species Field Mycology Vol 11 (1): 2-4.
Orton, P.D. 1976 Notes on British Agarics VI Notes from the Royal Botanic Garden, Edinburgh Vol 35 No 1: 147-154.

Stropharia caerulea (Blue Roundhead) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Stropharia caerulea (Blue Roundhead)
BioInfoBioInfo (www.bioinfo.org.uk) has 2 host/parasite/foodplant and/or other relationships for Stropharia caerulea (Blue Roundhead)
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