Leucostoma niveum (Hoffm.) Höhn.
(a valsoid pyrenomycete fungus)

Interactions where Leucostoma niveum is the controlling partner and gains from the process

The following relationships have been collated from the published literature (see '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
		causes swelling of live branch			Populus	poplars	Malpighiales: Salicaceae	CSL Pest Risk Analysis for Salix, Anon., 2007	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Leucostoma niveum/	Leucostoma niveum	a valsoid pyrenomycete fungus					Foodplant / false gall		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Populus/	Populus	poplars		live	branch
		infects and damages live branch			Populus	poplars	Malpighiales: Salicaceae	CSL Pest Risk Analysis for Salix, Anon., 2007	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Leucostoma niveum/	Leucostoma niveum	a valsoid pyrenomycete fungus					Foodplant / pathogen		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Populus/	Populus	poplars		live	branch
Cytospora coelomycetous anamorph (gregarious, immersed then erumpent, plurilocular)		gregarious, immersed then erumpent, plurilocular stroma of Cytospora coelomycetous anamorph is saprobic on dead twig (bark)			Populus alba	White Poplar	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Leucostoma niveum/	Leucostoma niveum	a valsoid pyrenomycete fungus		gregarious, immersed then erumpent, plurilocular	stroma	Cytospora coelomycetous anamorph	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Populus alba/	Populus alba	white poplar		dead	twig (bark)				(2-3)
perithecium (immersed, in groups of up to 10)		immersed, in groups of up to 10 perithecium is saprobic on dead twig			Populus alba	White Poplar	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Leucostoma niveum/	Leucostoma niveum	a valsoid pyrenomycete fungus		immersed, in groups of up to 10		perithecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Populus alba/	Populus alba	white poplar		dead	twig				(4-5)
Cytospora coelomycetous anamorph (gregarious, immersed then erumpent, plurilocular)		gregarious, immersed then erumpent, plurilocular stroma of Cytospora coelomycetous anamorph is saprobic on dead twig (bark)			Populus nigra	Black-poplar	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997 British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Leucostoma niveum/	Leucostoma niveum	a valsoid pyrenomycete fungus		gregarious, immersed then erumpent, plurilocular	stroma	Cytospora coelomycetous anamorph	Foodplant / saprobe		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Populus nigra/	Populus nigra	black-poplar		dead	twig (bark)				(2-3)
perithecium (immersed, in groups of up to 10)		immersed, in groups of up to 10 perithecium is saprobic on dead twig			Populus nigra	Black-poplar	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Leucostoma niveum/	Leucostoma niveum	a valsoid pyrenomycete fungus		immersed, in groups of up to 10		perithecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Populus nigra/	Populus nigra	black-poplar		dead	twig				(4-5)
Cytospora coelomycetous anamorph (gregarious, immersed then erumpent, plurilocular)		gregarious, immersed then erumpent, plurilocular stroma of Cytospora coelomycetous anamorph is saprobic on dead twig (bark)			Populus x canadensis ’Serotina’	a poplar	Malpighiales: Salicaceae	British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Leucostoma niveum/	Leucostoma niveum	a valsoid pyrenomycete fungus		gregarious, immersed then erumpent, plurilocular	stroma	Cytospora coelomycetous anamorph	Foodplant / saprobe		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Populus x canadensis 'Serotina'/	Populus x canadensis 'Serotina'	a poplar		dead	twig (bark)
Cytospora coelomycetous anamorph (gregarious, immersed then erumpent, plurilocular)		gregarious, immersed then erumpent, plurilocular stroma of Cytospora coelomycetous anamorph is saprobic on dead twig (bark)			Populus tremula	Aspen	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997 British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Leucostoma niveum/	Leucostoma niveum	a valsoid pyrenomycete fungus		gregarious, immersed then erumpent, plurilocular	stroma	Cytospora coelomycetous anamorph	Foodplant / saprobe		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Populus tremula/	Populus tremula	aspen		dead	twig (bark)				(2-3)
perithecium (immersed, in groups of up to 10)		immersed, in groups of up to 10 perithecium is saprobic on dead twig			Populus tremula	Aspen	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Leucostoma niveum/	Leucostoma niveum	a valsoid pyrenomycete fungus		immersed, in groups of up to 10		perithecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Populus tremula/	Populus tremula	aspen		dead	twig				(4-5)
		causes swelling of live branch			Salix	willows	Malpighiales: Salicaceae	CSL Pest Risk Analysis for Salix, Anon., 2007	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Leucostoma niveum/	Leucostoma niveum	a valsoid pyrenomycete fungus					Foodplant / false gall		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Salix/	Salix	willows		live	branch
		infects and damages live branch			Salix	willows	Malpighiales: Salicaceae	CSL Pest Risk Analysis for Salix, Anon., 2007	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Leucostoma niveum/	Leucostoma niveum	a valsoid pyrenomycete fungus					Foodplant / pathogen		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Salix/	Salix	willows		live	branch

Leucostoma niveum (a valsoid pyrenomycete fungus) may also be included in 'feeds on' relations listed under the following higher taxa:

FUNGI
(true fungi)

Leucostoma niveum (a valsoid pyrenomycete fungus) 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))

Author & Year	Title	Source
Anon., 2007	CSL Pest Risk Analysis for Salix	PRAs for consultation on pest risk management PRAs for consultation on pest risk management.
Ellis, M.B. & J.P., 1997	Microfungi on Land Plants: An Identification Handbook	2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd
Grove, W.B., 1935	British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia	Vol I, 488pp, Cambridge University Press

Taxonomic hierarchy:

Species	Leucostoma niveum (a valsoid pyrenomycete fungus)
Genus	Leucostoma (Bot.) (a genus of valsoid pyrenomycetes)
Family	VALSACEAE (a family of pyrenomycetes)
Order	DIAPORTHALES (an order of pyrenomycetes)
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)

Leucostoma niveum 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 Leucostoma niveum (a valsoid pyrenomycete fungus)

Identification Works

	Author	Year	Title	Source
	Robinson, K., Burnham, A., Kibby, G. & Ainsworth, M.	2011	Fungi associated with Poplars	Field Mycology vol 12 (2): 56-67.

Leucostoma niveum (a valsoid pyrenomycete fungus) may also be included in identification literature listed under the following higher taxa:

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 Leucostoma niveum (a valsoid pyrenomycete fungus):

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Pyrenomycetes
(charcoal fungi)

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

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