Hemimycena tortuosa (P.D. Orton) Redhead
(Dewdrop Bonnet)

Taxonomic hierarchy:
SpeciesHemimycena tortuosa (Dewdrop Bonnet)
GenusHemimycena (a genus of bonnet toadstools)
FamilyMYCENACEAE (bonnet toadstools and their allies)
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 Hemimycena tortuosa (Dewdrop Bonnet) :
1: Hemimycena tortuosa (Dewdrop Bonnet)
20 Dec 1998 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
on sallow
Image 1: Fruitbodies - close-upImage 2: Fruitbodies - close-up (2)Image 3: Fruitbodies - growing through mossImage 4: Fruitbodies - growing through moss (2)Image 5: Fruitbodies growing through mossImage 6: CaulocystidiaImage 7: Caulocystidia (2)Image 8: Caulocystidia - dryImage 9: Caulocystidia - dry (2)Image 10: CheilocystidiaImage 11: Gill edgeImage 12: SporesImage 13: Spores (2)Image 14: Stipe hairs
2: Hemimycena tortuosa (Dewdrop Bonnet)
4 Oct 1985 OSGR: SU18 51° 30’ N, 1° 50’ W Vice County: North Wilts (VC 7) England
Image 1: Cap - top view - close-up - highly enlargedImage 2: Fruitbody - side view - in situ - enlargedImage 3: Fruitbody - side view showing gills - enlargedImage 4: Fruitbody - side view showing gills - highly enlargedImage 5: Fruitbody - top view - highly enlargedImage 6: Fruitbody - underside showing gills - highly enlargedImage 7: Fruitbody - underside showing gills - highly enlarged (2)Image 8: Cheilocystidia - highly magnifiedImage 9: Pileo- and caulocystidia - magnifiedImage 10: Pileocystidia - magnifiedImage 11: Spores - highly magnifiedImage 12: DescriptionImage 13: Description - contd
3: Hemimycena tortuosa (Dewdrop Bonnet)
14 Oct 1978 OSGR: SU93 51° 10’ N, 0° 40’ W Vice County: Surrey (VC 17) England
on wet, rotting ?Beech bark
Image 1: Fruitbodies - oblique view - in situ - enlargedImage 2: Fruitbodies - side view - in situ - enlargedImage 3: Fruitbodies - underside showing gills - in situ - enlargedImage 4: Fruitbodies - underside view showing gills - in situ - enlargedImage 5: Cheilocystidia - highly magnifiedImage 6: DescriptionImage 7: Pileocystidia - magnifiedImage 8: Spore - highly magnified

Identification Works

AuthorYearTitleSource
McAdam, A. 2004 The Domestic Fridge as a Tool for Mycologists Field Mycology Vol 5 (4): 121-122.
Weightman, J. 2006 Small Mycenas et al. - spare them a second glance Field Mycology Vol 7 (1): 16-20.

Hemimycena tortuosa (Dewdrop Bonnet) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Hemimycena tortuosa (Dewdrop Bonnet)
BioInfoBioInfo (www.bioinfo.org.uk) has 45 host/parasite/foodplant and/or other relationships for Hemimycena tortuosa (Dewdrop Bonnet)

A tiny white toadstool that grows on fallen broadleaved wood in wet places. When first found it is often covered with minute water droplets. Under the microscope it is distinguished by the hyaline spiral hairs that cover the cap and stem. It is quite common, at least in the south of England.

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