Mycena seynii Quél.
(Pine-cone Bonnet)

Taxonomic hierarchy:
SpeciesMycena seynii (Pine-cone Bonnet)
GenusMycena (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 Mycena seynii (Pine-cone Bonnet) :
1: Mycena seynii (Pine-cone Bonnet)
23 Oct 2015 OSGR: SZ19 50° 50’ N, 1° 50’ W Vice County: South Hants (VC 11) England
4 fruitbodies on fallen Martime Pine cone
Image 1: FruitbodiesImage 2: Fruitbodies - close-up - side viewImage 3: Fruitbodies - close-up - side view showing gills
2: Mycena seynii (Pine-cone Bonnet)
22 Sep 2015 OSGR: SZ19 50° 50’ N, 1° 50’ W Vice County: South Hants (VC 11) England
3 fruitbodies on fallen Martime Pine cone
Image 1: Fruitbodies on coneImage 2: Fruitbodies on cone (2)
3: Mycena seynii (Pine-cone Bonnet)
15 Nov 2014 OSGR: SU40 50° 50’ N, 1° 20’ W Vice County: South Hants (VC 11) England
wet specimens, growing on, and between scales of fallen Monterey Pine cones
Image 1: Cap - close-up - white backgroundImage 2: Cap - close-up - white background (2)Image 3: Cap - close-up - white background (3)Image 4: Cap - LS - close-up - white backgroundImage 5: Cap - LS - close-up - white background (2)Image 6: Cap - wet - close-upImage 7: Collection - wet - white backgroundImage 8: Fruitbodies on Monterey Pine conesImage 9: Fruitbodies on Monterey Pine cones (2)Image 10: Fruitbody - LS - white backgroundImage 11: Fruitbody on Monterey Pine conesImage 12: Fruitbody - side viewImage 13: Fruitbody - side view showing gillsImage 14: Gills - close-upImage 15: Gills - close-up - white backgroundImage 16: Spore print - enlarged - white backgroundImage 17: Spore print - enlarged - white background (2)Image 18: Spore print - plus iodine - enlarged - white backgroundImage 19: Basidia - magnifiedImage 20: Cap cuticle - subsurface layer - magnifiedImage 21: Cap cuticle - subsurface layer - magnified (2)Image 22: Cap cuticle - surface layer - magnifiedImage 23: Cap cuticle - surface layer - magnified (2)Image 24: Cheilocystidia in gill edge, and some floating loose - magnifiedImage 25: Cheilocystidia in gill edge, and some floating loose - magnified (2)Image 26: Cheilocystidia in gill edge, and some floating loose - magnified (3)Image 27: Cheilocystidia in gill edge, and some floating loose - magnified (4)Image 28: Cheilocystidia in gill edge - magnifiedImage 29: Cheilocystidia in gill edge - magnified (2)Image 30: Cheilocystidia - magnifiedImage 31: Spores - in cotton blue - magnifiedImage 32: Spores - magnifiedImage 33: Spores - highly magnified
4: Mycena seynii (Pine-cone Bonnet)
18 Aug 2000 OSGR: SU56 51° 20’ N, 1° 20’ W Vice County: Berks (VC 22) England
emerging between scales of old Monterey Pine cones
Image 1: Cap - close-upImage 2: Caps - top viewImage 3: Caps - top view (2)Image 4: Caps - undersideImage 5: Fruitbodies on pine coneImage 6: Fruitbody - youngImage 7: Fruitbody - young (2)Image 8: GillsImage 9: Gills (2)Image 10: Gills (3)
5: Mycena seynii (Pine-cone Bonnet)
18 Sep 1998 OSGR: SU56 51° 20’ N, 1° 20’ W Vice County: Berks (VC 22) England
on fallen cones of Monterey Pine
Image 1: FruitbodiesImage 2: Fruitbodies - in situImage 3: Fruitbodies - in situ (2)Image 4: Fruitbodies - in situ (3)Image 5: Fruitbody - LSImage 6: Fruitbody - LS (2)Image 7: Fruitbody - side viewImage 8: Fruitbody - side view (2)Image 9: Fruitbody - slug-damagedImage 10: Fruitbody - slug-damaged - showing gillsImage 11: Fruitbody - young

Identification Works

AuthorYearTitleSource
Anon. 1997 Vol 11 Part 2 - Rear cover Mycologist Vol 11 (2): Rear cover.
Henrici, A. 2010 Notes and Records (Feb 2010) Field Mycology Vol 11 (1): 33-35.

Mycena seynii (Pine-cone Bonnet) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Mycena seynii (Pine-cone Bonnet)
BioInfoBioInfo (www.bioinfo.org.uk) has 2 host/parasite/foodplant and/or other relationships for Mycena seynii (Pine-cone Bonnet)

Vulnerable

A medium-sized pinky-brown toadstool, (but large for a Mycena) that grows exclusively on the large fallen cones of Monterey and Maritime Pines.

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