Rickenella swartzii (Fr.) Kuyper
(Collared Mosscap)

Taxonomic hierarchy:
SpeciesRickenella swartzii (Collared Mosscap)
GenusRickenella (mosscap toadstools)
FamilyRICKENELLACEAE (a family of fungi)
OrderHYMENOCHAETALES (an order of basidiomycete fungi)
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 Rickenella swartzii (Collared Mosscap) :
1: Rickenella swartzii (Collared Mosscap)
27 Oct 2015 OSGR: SZ19 50° 50’ N, 1° 50’ W Vice County: South Hants (VC 11) England
cluster of 4 fruitbodies in grassland on traffic island
Image 1: Cap - top view - highly enlarged - silver backgroundImage 2: Cap - underside view - highly enlarged - silver backgroundImage 3: Cap - underside view showing stipe apex - highly enlarged - silver backgroundImage 4: Fruitbodies - top view - enlargedImage 5: Spore print - enlarged - black backgroundImage 6: Spore print - enlarged - white backgroundImage 7: Caulocystidia - on stipe - microscope low magnification - black backgroundImage 8: Spores - magnified - white backgroundImage 9: Spores - highly magnified - white backgroundImage 10: Spores - highly magnified - white background (2)Image 11: Spores - highly magnified - white background (3)
2: Rickenella swartzii (Collared Mosscap)
30 Sep 1998 OSGR: SU56 51° 20’ N, 1° 20’ W Vice County: Berks (VC 22) England
in grass
Image 1: CapImage 2: CapsImage 3: FruitbodiesImage 4: Fruitbodies (2)Image 5: Fruitbodies (3)Image 6: GillsImage 7: Cheilocystidia in gill edge - magnifiedImage 8: Cheilocystidia - magnifiedImage 9: Cheilocystidium in gill edge - magnifiedImage 10: Cheilocystidium in gill edge - magnified (2)Image 11: Cheilocystidium in gill edge - magnified (3)Image 12: Cheilocystidium in gill edge - magnified (4)Image 13: Cheilocystidium - magnifiedImage 14: Cheilocystidium - magnified (2)Image 15: Spores - highly magnifiedImage 16: Spores - highly magnified (2)
3: Rickenella swartzii (Collared Mosscap)
16 Oct 1976 OSGR: SU94 51° 10’ N, 0° 40’ W Vice County: Surrey (VC 17) England
Image 1: Fruitbody - side view - in situ - enlargedImage 2: Gills and stipe apex - close-up - enlarged
4: Rickenella swartzii (Collared Mosscap)
9 Nov 1975 OSGR: TQ13 51° 10’ N, 0° 20’ W Vice County: Surrey (VC 17) England
Image 1: Fruitbodies - side view - in situImage 2: Fruitbodies - side view showing gills - in situImage 3: Fruitbodies - oblique view - in situ - enlarged

Identification Works

AuthorYearTitleSource
Antonín, V. & Noordeloos, M.E. 2004 A Monograph of the genera Hemimycena, Delicatula, Fayodia, Gamundia, Myxomphalia, Resinomycena, Rickenella and Xeromphalina (Tribus Myceneae sensu Singer, Mycena excluded) in Europe 279pp, IHW-Verlag
Kuyper, T.W. Rickenella Raithelhuber in Metrodiana 4: 67. 173 Bas, C. & Kuyper, T.W. Tricholomataceae R. Heim ex Pouz. (continuation), 8pp, Flora Agaricina Neerlandica 3

Rickenella swartzii (Collared Mosscap) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Rickenella swartzii (Collared Mosscap)
BioInfoBioInfo (www.bioinfo.org.uk) has 1 host/parasite/foodplant and/or other relationships for Rickenella swartzii (Collared Mosscap)

This small toadstool is pale greyish brown, darkening to almost violet at the stipe apex and centre of the cap. All the surfaces are covered with cystidia so that it appears entirely furry under a strong lens. It is very common, usually in moss, in grassland.

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