Xenotypa aterrima (Fr.) Petr.
(Birch Bark Stripper)

Taxonomic hierarchy:
SpeciesXenotypa aterrima (Birch Bark Stripper)
FamilyGNOMONIACEAE (a family of fungi)
OrderDIAPORTHALES (an order of pyrenomycetes)
SubclassSORDARIOMYCETIDAE (a subclass of ascomycetes and lichens)
ClassSORDARIOMYCETES (a class of ascomycetes)
SubphylumPEZIZOMYCOTINA (a subphylum of ascomycetes)
PhylumASCOMYCOTA (spore shooters, ascomycete)
KingdomFUNGI (true fungi)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Xenotypa aterrima (Birch Bark Stripper) :
1: Xenotypa aterrima (Birch Bark Stripper)
5 Dec 2015 OSGR: SZ08 50° 40’ N, 1° 60’ W Vice County: Dorset (VC 9) England
Effete stroma on recently-dead branches on living birch where it peels back the bark and fruits on the exposed wood
Image 1: Lesion - close-up - white backgroundImage 2: Lesion - close-up - white background (2)Image 3: Stroma and peeled-back bark - close-upImage 4: Stroma and peeled-back bark - close-up - white backgroundImage 5: Stroma and peeled-back bark - white backgroundImage 6: Stroma - close-upImage 7: Stroma on branches, peeling back the barkImage 8: Stroma on branches, peeling back the bark (2)Image 9: Lesion - close-up - enlarged - white backgroundImage 10: Stroma - close-up - enlarged

Identification Works

AuthorYearTitleSource
Douglas, B. 2015 Dencoeliopsis johnstonii http://fungi.myspecies.info/content/dencoeliopsis-johnstonii-0
Forest Research 2006 Path News Issue 13: October 2006

Xenotypa aterrima (Birch Bark Stripper) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Xenotypa aterrima (Birch Bark Stripper)
BioInfoBioInfo (www.bioinfo.org.uk) has 3 host/parasite/foodplant and/or other relationships for Xenotypa aterrima (Birch Bark Stripper)

VU/D2

A very rare black stromatic pyrenomycete that grows on dead, still-attached Birch (Betula) twigs. The surface of the stroma is liberally covered with sterile pimples that force back the paper-like bark as they grow. The perithecia are embedded in the stroma, not the pimples.

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