Pyrenidium actinellum Nyl.
(a lichenicolous ascomycete)

Taxonomic hierarchy:
SpeciesPyrenidium actinellum (a lichenicolous ascomycete)
GenusPyrenidium (a genus of lichens)
FamilyDACAMPIACEAE (a family of lichens)
OrderPLEOSPORALES (an order of ascomycetes and lichens)
SubclassDOTHIDEOMYCETIDAE (a subclass of fungi)
ClassDOTHIDEOMYCETES (a class of ascomycetes)
SubphylumPEZIZOMYCOTINA (a subphylum of ascomycetes)
PhylumASCOMYCOTA (spore shooters, ascomycete)
KingdomFUNGI (true fungi)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)

Identification Works

AuthorYearTitleSource
Hawksworth, D.L. 1980 Notes on some fungi occurring on Peltigera, with a key to accepted species. TBMS Vol 74 (2): 363-386.
Hawksworth, D.L. 1975 Notes on British Lichenicolous Fungi, I Kew Bulletin Vol 30 (1): 183-203.

Pyrenidium actinellum (a lichenicolous ascomycete) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Pyrenidium actinellum (a lichenicolous ascomycete)
BioInfoBioInfo (www.bioinfo.org.uk) has 16 host/parasite/foodplant and/or other relationships for Pyrenidium actinellum (a lichenicolous ascomycete)
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