Holcus mollis L.
(Creeping Soft-grass)

Interactions where Holcus mollis is the victim or passive partner (and generally loses out from the process)

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

Filters:

Affected Part		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	Summary
(live)		live is parasitised by			Blumeria graminis	Grass Mildew, Grass and Cereal Powdery Mildew	Erysiphales: Erysiphaceae	An Introduction to British Powdery Mildews, Ing, B., 1990	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Blumeria graminis/	Blumeria graminis	grass mildew, grass and cereal powdery mildew					Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass		live						parasitises live
leaf (dead, decayed)		dead, decayed leaf is decayed by fruitbody			Marasmius curreyi	Grass Parachute	Agaricales: Marasmiaceae	Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Marasmiaceae/Marasmius curreyi/	Marasmius curreyi	grass parachute				fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass		dead, decayed	leaf		Major			fruitbody is saprobic on dead, decayed leaf
leaf (fading)		fading leaf is spotted by deeply immersed, very minute, hardly visible, black pycnidium of Septoria coelomycetous anamorph			Septoria holci	a leaf-spot fungus	Capnodiales: Mycosphaerellaceae	British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Septoria holci/	Septoria holci	a leaf-spot fungus		deeply immersed, very minute, hardly visible, black	pycnidium	Septoria coelomycetous anamorph	Foodplant / spot causer		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass		fading	leaf				(8)	deeply immersed, very minute, hardly visible, black pycnidium of Septoria coelomycetous anamorph causes spots on fading leaf
leaf (fading)		fading leaf is spotted by amphigenous acervulus of Colletotrichum coelomycetous anamorph			Colletotrichum holci	a coelomycete	Glomerellaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Sordariomycetes/Glomerellaceae/Colletotrichum holci/	Colletotrichum holci	a coelomycete		amphigenous	acervulus	Colletotrichum coelomycetous anamorph	Foodplant / spot causer			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass		fading	leaf				(7-8)	amphigenous acervulus of Colletotrichum coelomycetous anamorph causes spots on fading leaf
leaf (live, blistered)		live, blistered leaf is spotted by long, linear, erumpent sorus			Ustilago striiformis	Stripe Smut Of Grasses	Ustilaginales: Ustilaginaceae	Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Ustilaginomycetes/Ustilaginales/Ustilaginaceae/Ustilago striiformis/	Ustilago striiformis	stripe smut of grasses		long, linear, erumpent		sorus	Foodplant / spot causer		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass		live, blistered	leaf		Major			long, linear, erumpent sorus causes spots on live, blistered leaf
leaf (live)		live leaf is spotted by amphigenous acervulus of Colletotrichum coelomycetous anamorph			Colletotrichum holci	a coelomycete	Glomerellaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Sordariomycetes/Glomerellaceae/Colletotrichum holci/	Colletotrichum holci	a coelomycete		amphigenous	acervulus	Colletotrichum coelomycetous anamorph	Foodplant / spot causer			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass		live	leaf				(7-8)	amphigenous acervulus of Colletotrichum coelomycetous anamorph causes spots on live leaf
leaf (live)		live leaf is parasitised by hypophyllous telium			Puccinia coronata	Crown Rust	Pucciniales: Pucciniaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia coronata/	Puccinia coronata	crown rust		hypophyllous		telium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass		live	leaf				(mid 8-)	hypophyllous telium parasitises live leaf
leaf (live)		live leaf is parasitised by amphigenous, scattered or in patches uredium			Puccinia coronata	Crown Rust	Pucciniales: Pucciniaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia coronata/	Puccinia coronata	crown rust		amphigenous, scattered or in patches		uredium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass		live	leaf				(summer)	amphigenous, scattered or in patches uredium parasitises live leaf
leaf (live)		live leaf is parasitised by amphigenous uredium			Puccinia hordei	Barley Leaf Rust	Pucciniales: Pucciniaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997 Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia hordei/	Puccinia hordei	barley leaf rust		amphigenous		uredium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass		live	leaf					amphigenous uredium parasitises live leaf
leaf (live)		live leaf is parasitised by amphigenous telium			Puccinia hordei	Barley Leaf Rust	Pucciniales: Pucciniaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997 Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia hordei/	Puccinia hordei	barley leaf rust		amphigenous		telium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass		live	leaf		Minor			amphigenous telium parasitises live leaf
leaf (live)		live leaf is parasitised by sorus			Jamesdicksonia dactylidis	a smut fungus	Georgefischeriales: Georgefischeriaceae	Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Exobasidiomycetes/Georgefischeriales/Georgefischeriaceae/Jamesdicksonia dactylidis/	Jamesdicksonia dactylidis	a smut fungus				sorus	Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass		live	leaf		Major			sorus parasitises live leaf
ovary		ovary may be infected and damaged by embedded sorus			Tilletia holci	a smut fungus	Tilletiales: Tilletiaceae	Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Ustilaginomycetes/Tilletiales/Tilletiaceae/Tilletia holci/	Tilletia holci	a smut fungus		embedded		sorus	Foodplant / pathogen		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass			ovary				(6-9)	embedded sorus infects and damages ovary
stem		stem is galled by stroma			Epichloe clarkii	Soft-grass Choke	Hypocreales: Clavicipitaceae	Epichloë in Britain, Spooner, B.M. & Kemp, S.L., 2005	/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Clavicipitaceae/Epichloe clarkii/	Epichloe clarkii	soft-grass choke				stroma	Foodplant / gall		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass			stem					stroma causes gall of stem
stem (dead, decayed)		dead, decayed stem is decayed by fruitbody			Marasmius curreyi	Grass Parachute	Agaricales: Marasmiaceae	Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Marasmiaceae/Marasmius curreyi/	Marasmius curreyi	grass parachute				fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass		dead, decayed	stem		Major			fruitbody is saprobic on dead, decayed stem
stem (live)		live stem is parasitised by telium			Puccinia hordei	Barley Leaf Rust	Pucciniales: Pucciniaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997 Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia hordei/	Puccinia hordei	barley leaf rust				telium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Holcus mollis/	Holcus mollis	creeping soft-grass		live	stem		Minor			telium parasitises live stem

Author & Year	Title	Source
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
Ing, B., 1990	An Introduction to British Powdery Mildews	Mycologist Vol 4 (1) et seq.
Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	Checklist of the British and Irish Basidiomycota	517pp, Royal Botanic Gardens, Kew
Spooner, B.M. & Kemp, S.L., 2005	Epichloë in Britain	Mycologist Vol 19 (2): 82-87.

Holcus mollis (Creeping Soft-grass) may also be included in 'fed on by' relations listed under the following higher taxa:

Holcus
(soft-grasses)

POACEAE
(grasses, couch)

MAGNOLIOPSIDA
(flowering plants)

TRACHEOPHYTA
(vascular plants)

PLANTAE
(plants)

Taxonomic hierarchy:

Species	Holcus mollis (Creeping Soft-grass)
Genus	Holcus (soft-grasses)
Tribe	Poeae (a tribe of grasses)
Subfamily	POOIDEAE (a subfamily of grasses)
Family	POACEAE (grasses, couch)
Order	POALES (grasses, sedges & rushes)
Class	MAGNOLIOPSIDA (flowering plants)
Phylum	TRACHEOPHYTA (vascular plants)
Kingdom	PLANTAE (plants)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

NBN

NBN (data.nbn.org.uk) has a distribution map for Holcus mollis (Creeping Soft-grass)

Holcus mollis (Creeping Soft-grass) may be included in identification literature listed under the following higher taxa:

POACEAE
(grasses, couch)

MAGNOLIOPSIDA
(flowering plants)

TRACHEOPHYTA
(vascular plants)

PLANTAE
(plants)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Literature listed under the following higher taxa may be relevant to Holcus mollis (Creeping Soft-grass):

POACEAE
(grasses, couch)

POALES
(grasses, sedges & rushes)

MAGNOLIOPSIDA
(flowering plants)

TRACHEOPHYTA
(vascular plants)

PLANTAE
(plants)

Eukaryota
(eukaryotes)

BIOTA
(living things)

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