Dermoloma cuneifolium (Fr.) Singer ex Bon
(Crazed Cap)

Taxonomic hierarchy:
SpeciesDermoloma cuneifolium (Crazed Cap)
GenusDermoloma (crazed caps)
FamilyTRICHOLOMATACEAE (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 Dermoloma cuneifolium (Crazed Cap) :
1: Dermoloma cuneifolium (Crazed Cap)
27 Oct 2015 OSGR: SZ19 50° 50’ N, 1° 50’ W Vice County: South Hants (VC 11) England
in grassland on traffic island
Image 1: Cap - LS - white backgroundImage 2: Cap - white backgroundImage 3: Fruitbodies - side viewImage 4: Fruitbodies - top viewImage 5: Fruitbody - LS - white backgroundImage 6: Gills - white backgroundImage 7: Spore print - white backgroundImage 8: Spore print + Melzer\'s Iodine - enlarged - white backgroundImage 9: Spore print + Melzer\'s Iodine - enlarged - white background (2)Image 10: Spore print - enlarged - black backgroundImage 11: Spore print - scraped - enlarged - black backgroundImage 12: Spore print - scraped - enlarged - white backgroundImage 13: Cap cuticle - scalp - magnified - white backgroundImage 14: Cap cuticle - scalp - magnified - white background (2)Image 15: Cap cuticle - TS - magnified - white backgroundImage 16: Cap cuticle - TS - magnified - white background (2)Image 17: Spores - magnified - white backgroundImage 18: Spores - highly magnifiedImage 19: Spores - highly magnified - white background
2: Dermoloma cuneifolium (Crazed Cap)
15 Oct 2006 OSGR: SK05 53° 10’ N, 1° 50’ W Vice County: Staffs (VC 39) England
in medium length grass . Photos: Fruitbody (pale stiped form) - lain down on pale background (record shots)
Image 1: Cap - pale backgroundImage 2: Fruitbody - lain down to show cap and stipe - pale backgroundImage 3: Fruitbody - lain down to show cap - pale backgroundImage 4: Fruitbody - lain down to show gills and stipe - pale backgroundImage 5: Fruitbody - lain down to show stipe - pale backgroundImage 6: Gills and stipe apex - pale backgroundImage 7: Cap surface at mid radius - close-up - enlargedImage 8: Cap surface in centre - close-up - enlargedImage 9: Stipe surface - close-up - enlarged
3: Dermoloma cuneifolium (Crazed Cap)
15 Oct 2006 OSGR: SK05 53° 10’ N, 1° 50’ W Vice County: Staffs (VC 39) England
grey-stiped form, in medium length grass . Photos: Fruitbody (grey stiped form) - lain down on pale background (record shots), spores
Image 1: Fruitbody - lain down to show cap - pale backgroundImage 2: Fruitbody - lain down to show cap - pale background (2)Image 3: Fruitbody - lain down to show gills and stipe - pale backgroundImage 4: Fruitbody - lain down to show gills and stipe - pale background (2)Image 5: Fruitbody - lain down to show stipe - pale backgroundImage 6: Cap surface - close-up - enlargedImage 7: Stipe surface - close-up - enlargedImage 8: Spores - magnifiedImage 9: Spores - magnified (2)Image 10: Spores - highly magnified
4: Dermoloma cuneifolium (Crazed Cap)
10 Oct 2006 OSGR: SK15 53° 0’ N, 1° 50’ W Vice County: Derby (VC 57) England
in short basic grassland
Image 1: Fruitbody - lain down to show cap - grey backgroundImage 2: Fruitbody - lain down to show cap - grey background (2)Image 3: Fruitbody - lain down to show gills and stipe - grey background
5: Dermoloma cuneifolium (Crazed Cap)
10 Oct 2006 OSGR: SK15 53° 0’ N, 1° 50’ W Vice County: Derby (VC 57) England
in short basic grassland
Image 1: Fruitbodies - lain down - side view - close-upImage 2: Fruitbody - in situ - side viewImage 3: Fruitbody - in situ - side view - close-upImage 4: Fruitbody - in situ - top view - close-upImage 5: Stipe - close-up - enlarged
6: Dermoloma cuneifolium (Crazed Cap)
24 Sep 2006 OSGR: SK15 53° 10’ N, 1° 50’ W Vice County: Derby (VC 57) England
in grass
Image 1: Fruitbody - side view showing cap - pale backgroundImage 2: Fruitbody - side view showing gills - pale background
7: Dermoloma cuneifolium (Crazed Cap)
21 Sep 2006 OSGR: SK15 53° 0’ N, 1° 50’ W Vice County: Staffs (VC 39) England
in short fine-leaved grass, clover and Tormentil
Image 1: Cap - grey background
8: Dermoloma cuneifolium (Crazed Cap)
29 Sep 2004 OSGR: SX76 50° 30’ N, 3° 50’ W Vice County: South Devon (VC 3) England
5 fruitbodies in grass
Image 1: Cap - in situImage 2: Cap - in situ (2)Image 3: CollectionImage 4: Gills - close-upImage 5: Spores - magnifiedImage 6: Spores - magnified (2)Image 7: Spores - magnified (3)Image 8: Spores - highly magnified
9: Dermoloma cuneifolium (Crazed Cap)
3 Nov 1998 OSGR: SU36 51° 20’ N, 1° 30’ W Vice County: Berks (VC 22) England
Image 1: CapImage 2: Cap (2)Image 3: Cap - close-upImage 4: Cap surface - close-upImage 5: Fruitbodies
10: Dermoloma cuneifolium (Crazed Cap)
17 Oct 1997 OSGR: SU48 51° 30’ N, 1° 20’ W Vice County: Berks (VC 22) England
Image 1: Cap LSImage 2: Cap - top viewImage 3: Side viewImage 4: Underside of cap and gills
11: Dermoloma cuneifolium (Crazed Cap)
14 Oct 1997 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
Image 1: CapImage 2: Cap - close-upImage 3: Cap - LSImage 4: Fruitbody - LSImage 5: Fruitbody - LS (2)Image 6: GillsImage 7: Gills (2)
12: Dermoloma cuneifolium (Crazed Cap)
6 Oct 1987 OSGR: SU18 51° 30’ N, 1° 40’ W Vice County: North Wilts (VC 7) England
Image 1: Cap - mature - close-upImage 2: CollectionImage 3: Side viewImage 4: Cap - young - enlargedImage 5: Gills - enlargedImage 6: Spores - highly magnifiedImage 7: DescriptionImage 8: Description - contd
13: Dermoloma cuneifolium (Crazed Cap)
10 Oct 1983 OSGR: SU26 51° 20’ N, 1° 40’ W Vice County: North Wilts (VC 7) England
Rather old specimens
Image 1: CollectionImage 2: Fruitbodies - side views - lain downImage 3: Fruitbodies - top view - in situImage 4: Fruitbody - lain down to show gills and stipeImage 5: Fruitbody - side view - in situImage 6: Fruitbody - top view - in situImage 7: Fruitbody - top view - in situ (2)Image 8: Cap cuticle - magnifiedImage 9: Spores - highly magnifiedImage 10: DescriptionImage 11: Description - contd
14: Dermoloma cuneifolium (Crazed Cap)
7 Oct 1983 OSGR: SU26 51° 20’ N, 1° 40’ W Vice County: North Wilts (VC 7) England
Image 1: CollectionImage 2: Fruitbodies - top view - in situImage 3: Fruitbody - side view showing gills - lain downImage 4: Fruitbody - side view showing gills - lain down (2)Image 5: Fruitbody - side view showing gills - lain down (3)Image 6: Fruitbody - side view showing gills - lain down (4)Image 7: Cap cuticle cells - magnifiedImage 8: Hyphae from stipe flocci - magnifiedImage 9: Spores - highly magnifiedImage 10: DescriptionImage 11: Description - contd

Dermoloma cuneifolium (Crazed Cap) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Dermoloma cuneifolium (Crazed Cap)
BioInfoBioInfo (www.bioinfo.org.uk) has 1 host/parasite/foodplant and/or other relationships for Dermoloma cuneifolium (Crazed Cap)

The commonest toadstool of its genus, it is found in unimpoved grassland, especially on basic soils. It is best distinguished by the non-amyloid spores. Widespread.

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The non-amyloid spores are the best character as it is the only such species in the genus, as here accepted.

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