Pyrenophora tritici-repentis (Died.) Drechsler
(an ascomycete)

Interactions where Pyrenophora tritici-repentis is the dominant partner and gains from the process

The following relationships have been collated from the published literature (see 'Interaction References').

Stage		Summary			Taxon	Vernacular	Classification	References	Darwin Classification of Active Taxon	Active Taxon	Active Vernacular	Active Taxon Uncertain	Active State	Active Part	Active Stage	Relationship	Relationship Uncertain	Relationship Geography	Darwin Classification of Passive Taxon	Passive Taxon	Passive Vernacular	Passive Taxon Uncertain	Passive State	Passive Part	Passive Stage	Passive Taxon's significance to Active Taxon	Indoors etc	Season
pseudothecium (scattered or in small groups, immersed)		scattered or in small groups, immersed pseudothecium is saprobic on dead stem			POACEAE	grasses, couch	Poales	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Pleosporaceae/Pyrenophora tritici-repentis/	Pyrenophora tritici-repentis	an ascomycete		scattered or in small groups, immersed		pseudothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/	Poaceae	grasses, couch		dead	stem
pseudothecium (scattered or in small groups, immersed)		scattered or in small groups, immersed pseudothecium is saprobic on dead sheath			POACEAE	grasses, couch	Poales	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Pleosporaceae/Pyrenophora tritici-repentis/	Pyrenophora tritici-repentis	an ascomycete		scattered or in small groups, immersed		pseudothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/	Poaceae	grasses, couch		dead	sheath
pseudothecium (scattered or in small groups, immersed)		scattered or in small groups, immersed pseudothecium is saprobic on dead stem			Bromus	a genus of bromes	Poales: Poaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Pleosporaceae/Pyrenophora tritici-repentis/	Pyrenophora tritici-repentis	an ascomycete		scattered or in small groups, immersed		pseudothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Bromus/	Bromus	a genus of bromes		dead	stem
pseudothecium (scattered or in small groups, immersed)		scattered or in small groups, immersed pseudothecium is saprobic on dead sheath			Bromus	a genus of bromes	Poales: Poaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Pleosporaceae/Pyrenophora tritici-repentis/	Pyrenophora tritici-repentis	an ascomycete		scattered or in small groups, immersed		pseudothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Bromus/	Bromus	a genus of bromes		dead	sheath
pseudothecium (scattered or in small groups, immersed)		scattered or in small groups, immersed pseudothecium is saprobic on dead stem			Briza media	Quaking-grass	Poales: Poaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Pleosporaceae/Pyrenophora tritici-repentis/	Pyrenophora tritici-repentis	an ascomycete		scattered or in small groups, immersed		pseudothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Briza media/	Briza media	quaking-grass		dead	stem
pseudothecium (scattered or in small groups, immersed)		scattered or in small groups, immersed pseudothecium is saprobic on dead sheath			Briza media	Quaking-grass	Poales: Poaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Pleosporaceae/Pyrenophora tritici-repentis/	Pyrenophora tritici-repentis	an ascomycete		scattered or in small groups, immersed		pseudothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Briza media/	Briza media	quaking-grass		dead	sheath
pseudothecium (scattered or in small groups, immersed)		scattered or in small groups, immersed pseudothecium is saprobic on dead stem			Dactylis	cock’s-foot grasses	Poales: Poaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Pleosporaceae/Pyrenophora tritici-repentis/	Pyrenophora tritici-repentis	an ascomycete		scattered or in small groups, immersed		pseudothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Dactylis/	Dactylis	cock's-foot grasses		dead	stem
pseudothecium (scattered or in small groups, immersed)		scattered or in small groups, immersed pseudothecium is saprobic on dead sheath			Dactylis	cock’s-foot grasses	Poales: Poaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Pleosporaceae/Pyrenophora tritici-repentis/	Pyrenophora tritici-repentis	an ascomycete		scattered or in small groups, immersed		pseudothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Dactylis/	Dactylis	cock's-foot grasses		dead	sheath
Drechslera dematiaceous anamorph		colony of Drechslera dematiaceous anamorph infects and damages live, yellowing leaf			Elytrigia repens ssp repens	Common Couch	Poales: Poaceae	New or interesting British fungi, Dennis, R.W.G. & Wakefield, E.M., 1946 Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Pleosporaceae/Pyrenophora tritici-repentis/	Pyrenophora tritici-repentis	an ascomycete			colony	Drechslera dematiaceous anamorph	Foodplant / pathogen		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Elytrigia repens subsp. repens/	Elytrigia repens subsp. repens	common couch		live, yellowing	leaf
pseudothecium (scattered or in small groups, immersed)		scattered or in small groups, immersed pseudothecium is saprobic on dead stem			Secale cereale	Rye	Poales: Poaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Pleosporaceae/Pyrenophora tritici-repentis/	Pyrenophora tritici-repentis	an ascomycete		scattered or in small groups, immersed		pseudothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Secale cereale/	Secale cereale	rye		dead	stem
pseudothecium (scattered or in small groups, immersed)		scattered or in small groups, immersed pseudothecium is saprobic on dead sheath			Secale cereale	Rye	Poales: Poaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Pleosporaceae/Pyrenophora tritici-repentis/	Pyrenophora tritici-repentis	an ascomycete		scattered or in small groups, immersed		pseudothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Secale cereale/	Secale cereale	rye		dead	sheath

Author & Year	Title	Source
Dennis, R.W.G. & Wakefield, E.M., 1946	New or interesting British fungi	TBMS Vol 29 (3): 141-166.
Ellis, M.B. & J.P., 1997	Microfungi on Land Plants: An Identification Handbook	2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd

Pyrenophora tritici-repentis (an ascomycete) may also be included in 'feeds on' relations listed under the following higher taxa:

FUNGI
(true fungi)

Pyrenophora tritici-repentis (an ascomycete) may be included in 'fed on by' relations listed under the following higher taxa:

FUNGI
(true fungi)

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

Taxonomic hierarchy:

Species	Pyrenophora tritici-repentis (an ascomycete)
Genus	Pyrenophora (a genus of ascomycetes)
Family	PLEOSPORACEAE (a family of ascomycetes)
Order	PLEOSPORALES (an order of ascomycetes and lichens)
Subclass	DOTHIDEOMYCETIDAE (a subclass of fungi)
Class	DOTHIDEOMYCETES (a class of ascomycetes)
Subphylum	PEZIZOMYCOTINA (a subphylum of ascomycetes)
Phylum	ASCOMYCOTA (spore shooters, ascomycete)
Kingdom	FUNGI (true fungi)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Pyrenophora tritici-repentis is also a member of:
Micromycetes - microfungi (via Ascomycota)
Fungi s.l. - fungi (in the broad sense) (via Fungi)
Lower Plants - lower plants (via Fungi s.l.)

NBN

NBN (data.nbn.org.uk) has a distribution map for Pyrenophora tritici-repentis (an ascomycete)

Identification Works

Handling & Magnification	Author	Year	Title	Source
	Anon.		Tan Spot in the UK	www.cropmonitor.co.uk/wwheat/encyclopaedia/reports/2007/tanspot.cfm
	Dennis, R.W.G. & Wakefield, E.M.	1946	New or interesting British fungi	TBMS Vol 29 (3): 141-166.

Pyrenophora tritici-repentis (an ascomycete) may also be included in identification literature listed under the following higher taxa:

PLEOSPORALES
(an order of ascomycetes and lichens)

DOTHIDEOMYCETES
(a class of ascomycetes)

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

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

Literature listed under the following higher taxa may be relevant to Pyrenophora tritici-repentis (an ascomycete):

PLEOSPORALES
(an order of ascomycetes and lichens)

DOTHIDEOMYCETES
(a class of ascomycetes)

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

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

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