Polystigma rubrum (Pers.) DC.
(Plum Leaf Blotch - causative organism, Blackthorn Dotty)

Interactions where Polystigma rubrum 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
perithecium (stromatic, immersed)		stromatic, immersed perithecium is saprobic on dead, fallen, overwintered leaf			Prunus domestica	Wild Plum	Rosales: Rosaceae	Polystigma rubrum (Pers.) DC., in Lamarck & de Candolle,, Cannon, P.F., 1996	/Fungi/Ascomycota/Sordariomycetes/Phyllachorales/Phyllachoraceae/Polystigma rubrum/	Polystigma rubrum	plum leaf blotch - causative organism, blackthorn dotty		stromatic, immersed		perithecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Prunus domestica/	Prunus domestica	wild plum		dead, fallen, overwintered	leaf
Polystigmina coelomycetous anamorph (immersed)		immersed conidioma of Polystigmina coelomycetous anamorph causes spots on live leaf			Prunus domestica	Wild Plum	Rosales: Rosaceae	Polystigma rubrum (Pers.) DC., in Lamarck & de Candolle,, Cannon, P.F., 1996	/Fungi/Ascomycota/Sordariomycetes/Phyllachorales/Phyllachoraceae/Polystigma rubrum/	Polystigma rubrum	plum leaf blotch - causative organism, blackthorn dotty		immersed	conidioma	Polystigmina coelomycetous anamorph	Foodplant / spot causer			/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Prunus domestica/	Prunus domestica	wild plum		live	leaf
stroma		stroma is saprobic on dead, fallen leaf			Prunus domestica	Wild Plum	Rosales: Rosaceae	Polystigma rubrum (Pers.) DC., in Lamarck & de Candolle,, Cannon, P.F., 1996	/Fungi/Ascomycota/Sordariomycetes/Phyllachorales/Phyllachoraceae/Polystigma rubrum/	Polystigma rubrum	plum leaf blotch - causative organism, blackthorn dotty				stroma	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Prunus domestica/	Prunus domestica	wild plum		dead, fallen	leaf
perithecium (stromatic, immersed)		stromatic, immersed perithecium is saprobic on dead, fallen, overwintered leaf			Prunus domestica ssp insititia	Damson, Bullace	Rosales: Rosaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998 Polystigma rubrum (Pers.) DC., in Lamarck & de Candolle,, Cannon, P.F., 1996 Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Sordariomycetes/Phyllachorales/Phyllachoraceae/Polystigma rubrum/	Polystigma rubrum	plum leaf blotch - causative organism, blackthorn dotty		stromatic, immersed		perithecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Prunus domestica subsp. insititia/	Prunus domestica subsp. insititia	damson, bullace		dead, fallen, overwintered	leaf		Minor
Polystigmina coelomycetous anamorph (immersed)		immersed conidioma of Polystigmina coelomycetous anamorph causes spots on live leaf			Prunus domestica ssp insititia	Damson, Bullace	Rosales: Rosaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998 Polystigma rubrum (Pers.) DC., in Lamarck & de Candolle,, Cannon, P.F., 1996 Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Sordariomycetes/Phyllachorales/Phyllachoraceae/Polystigma rubrum/	Polystigma rubrum	plum leaf blotch - causative organism, blackthorn dotty		immersed	conidioma	Polystigmina coelomycetous anamorph	Foodplant / spot causer			/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Prunus domestica subsp. insititia/	Prunus domestica subsp. insititia	damson, bullace		live	leaf		Minor
stroma		stroma is saprobic on dead, fallen leaf			Prunus domestica ssp insititia	Damson, Bullace	Rosales: Rosaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998 Polystigma rubrum (Pers.) DC., in Lamarck & de Candolle,, Cannon, P.F., 1996 Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Sordariomycetes/Phyllachorales/Phyllachoraceae/Polystigma rubrum/	Polystigma rubrum	plum leaf blotch - causative organism, blackthorn dotty				stroma	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Prunus domestica subsp. insititia/	Prunus domestica subsp. insititia	damson, bullace		dead, fallen	leaf		Minor
perithecium (stromatic, immersed)		stromatic, immersed perithecium is saprobic on dead, fallen, overwintered leaf of esp. maritime			Prunus spinosa	Blackthorn, Sloe	Rosales: Rosaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998 Polystigma rubrum (Pers.) DC., in Lamarck & de Candolle,, Cannon, P.F., 1996 Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Sordariomycetes/Phyllachorales/Phyllachoraceae/Polystigma rubrum/	Polystigma rubrum	plum leaf blotch - causative organism, blackthorn dotty		stromatic, immersed		perithecium	Foodplant / saprobe		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Prunus spinosa/	Prunus spinosa	blackthorn, sloe		dead, fallen, overwintered	leaf	esp. maritime	Major
Polystigmina coelomycetous anamorph (immersed)		immersed conidioma of Polystigmina coelomycetous anamorph causes spots on live leaf of esp. maritime			Prunus spinosa	Blackthorn, Sloe	Rosales: Rosaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998 Polystigma rubrum (Pers.) DC., in Lamarck & de Candolle,, Cannon, P.F., 1996 Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Sordariomycetes/Phyllachorales/Phyllachoraceae/Polystigma rubrum/	Polystigma rubrum	plum leaf blotch - causative organism, blackthorn dotty		immersed	conidioma	Polystigmina coelomycetous anamorph	Foodplant / spot causer		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Prunus spinosa/	Prunus spinosa	blackthorn, sloe		live	leaf	esp. maritime	Major
stroma		stroma is saprobic on dead, fallen leaf of esp. maritime			Prunus spinosa	Blackthorn, Sloe	Rosales: Rosaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998 Polystigma rubrum (Pers.) DC., in Lamarck & de Candolle,, Cannon, P.F., 1996 Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Sordariomycetes/Phyllachorales/Phyllachoraceae/Polystigma rubrum/	Polystigma rubrum	plum leaf blotch - causative organism, blackthorn dotty				stroma	Foodplant / saprobe		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Prunus spinosa/	Prunus spinosa	blackthorn, sloe		dead, fallen	leaf	esp. maritime	Major

Author & Year	Title	Source
Buczacki, S. & Harris, K., 1998	Pests, Diseases & Disorders of Garden Plants	Collins Photoguide, 2nd edition edition, Collins
Cannon, P.F., 1996	Polystigma rubrum (Pers.) DC., in Lamarck & de Candolle,	I.M.I. Descriptions of Pathogenic Fungi and Bacteria CMI Descriptions of Pathenogenic Fungi and Bacteria Sheet 1288.
Ellis, M.B. & J.P., 1997	Microfungi on Land Plants: An Identification Handbook	2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd

Polystigma rubrum (Plum Leaf Blotch - causative organism, Blackthorn Dotty) may also be included in 'feeds on' relations listed under the following higher taxa:

FUNGI
(true fungi)

Polystigma rubrum (Plum Leaf Blotch - causative organism, Blackthorn Dotty) may be included in 'fed on by' relations listed under the following higher taxa:

FUNGI
(true fungi)

Pyrenomycetes
(charcoal fungi)

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

Taxonomic hierarchy:

Species	Polystigma rubrum (Plum Leaf Blotch - causative organism, Blackthorn Dotty)
Genus	Polystigma (a genus of pyrenomycetes)
Family	PHYLLACHORACEAE (a family of ascomycetes)
Order	PHYLLACHORALES (an order of ascomycetes)
Subclass	SORDARIOMYCETIDAE (a subclass of ascomycetes and lichens)
Class	SORDARIOMYCETES (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)

Polystigma rubrum is also a member of:
Pyrenomycetes - charcoal fungi (via Sordariomycetes)
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 Polystigma rubrum (Plum Leaf Blotch - causative organism, Blackthorn Dotty)

Identification Works

Handling & Magnification	Author	Year	Title	Source
	Cannon, P.F.	1996	Polystigma rubrum (Pers.) DC., in Lamarck & de Candolle,	I.M.I. Descriptions of Pathogenic Fungi and Bacteria CMI Descriptions of Pathenogenic Fungi and Bacteria Sheet 1288.

Polystigma rubrum (Plum Leaf Blotch - causative organism, Blackthorn Dotty) may also be included in identification literature listed under the following higher taxa:

Polystigma
(a genus of pyrenomycetes)

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Pyrenomycetes
(charcoal fungi)

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

Literature listed under the following higher taxa may be relevant to Polystigma rubrum (Plum Leaf Blotch - causative organism, Blackthorn Dotty):

Polystigma
(a genus of pyrenomycetes)

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Pyrenomycetes
(charcoal fungi)

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

VU/D2

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