Exidia nucleata (Schwein.) Burt
(Crystal Brain)

Taxonomic hierarchy:
SpeciesExidia nucleata (Crystal Brain)
GenusExidia (brain fungi)
FamilyAURICULARIACEAE (a family of jelly fungi)
OrderAURICULARIALES (an order of jelly 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 Exidia nucleata (Crystal Brain) :
1: Exidia nucleata (Crystal Brain)
15 Oct 1997 OSGR: SU67 51° 30’ N, 1° 0’ W Vice County: Berks (VC 22) England
on ash twig and trunk
Image 1: Dried fruitbodiesImage 2: Dried fruitbodies (2)Image 3: FruitbodiesImage 4: Fruitbodies - LSImage 5: Fruitbodies on twigImage 6: Fruitbody - LS
2: Exidia nucleata (Crystal Brain)
24 Jan 1971 OSGR: TG10 52° 40’ N, 1° 10’ E Vice County: East Norfolk (VC 27) England
on fallen tree trunk
Image 1: Fruitbody - in situ
3: Exidia nucleata (Crystal Brain)
28 Sep 1968 OSGR: TQ31 50° 50’ N, 0° 10’ W Vice County: East Sussex (VC 14) England
Image 1: Fruitbodies

Identification Works

AuthorYearTitleSource
Ingold, C.T. 1985 An extended view of the basidium Bull. Br. mycol. Soc. Vol 19 (2): 127-129.
Ingold, C.T. 1984 Myxarium nucleatum and its conidial state TBMS Vol 83 (2): 358-360.
Reid, D.A. 1970 New or Interesting records of British Hymenomycetes. IV TBMS Vol 55 (3): 413-441.
Roberts, P. 2006 Personal Communication
Roberts, P. 2006 Personal Communication

Exidia nucleata (Crystal Brain) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Exidia nucleata (Crystal Brain)
BioInfoBioInfo (www.bioinfo.org.uk) has 17 host/parasite/foodplant and/or other relationships for Exidia nucleata (Crystal Brain)

A transparent, yellowish or colourless, jelly fungus containing white calcareous lumps. It dries to a shiny crust, hardly visible except for the white granules. Very common, on rotten branches of frondose trees, especially poplar (Populus).

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