Rutstroemia sydowiana (Rehm) W.L. White
(Oakleaf Cup)

Taxonomic hierarchy:

Species	Rutstroemia sydowiana (Oakleaf Cup)
Genus	Rutstroemia (a genus of discomycetes)
Family	RUTSTROEMIACEAE (a family of discomycetes)
Order	HELOTIALES (an order of discomycetes and lichens)
Subclass	LEOTIOMYCETIDAE (powdery mildews)
Class	LEOTIOMYCETES (a class of fungi)
Subphylum	PEZIZOMYCOTINA (a subphylum of ascomycetes)
Phylum	ASCOMYCOTA (spore shooters, ascomycete)
Kingdom	FUNGI (true fungi)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Rutstroemia sydowiana is also a member of:
Discomycetes - discomycete fungi (via Helotiales)
Micromycetes - microfungi (via Ascomycota)
Fungi s.l. - fungi (in the broad sense) (via Fungi)
Lower Plants - lower plants (via Fungi s.l.)

Identification Works

	Author	Year	Title	Source
	Dennis, R.W.G.	1980	New or critical Fungi from the Highlands and Islands	Kew Bulletin vol 35 (2): 343-361.

Rutstroemia sydowiana (Oakleaf Cup) may also be included in identification literature listed under the following higher taxa:

HELOTIALES
(an order of discomycetes and lichens)

LEOTIOMYCETIDAE
(powdery mildews)

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Discomycetes
(discomycete fungi)

Fungi s.l.
(fungi (in the broad sense))

NBN (data.nbn.org.uk) has a distribution map for Rutstroemia sydowiana (Oakleaf Cup)

BioInfo (www.bioinfo.org.uk) has 5 host/parasite/foodplant and/or other relationships for Rutstroemia sydowiana (Oakleaf Cup)

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Taxonomic hierarchy:

Rutstroemia sydowiana is also a member of:

Identification Works

BioImages - Virtual Field-Guide (UK)