Senecio squalidus L.
(Oxford Ragwort)

Interactions where Senecio squalidus 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			Podosphaera fusca	a powdery mildew	Erysiphales: Erysiphaceae	An Introduction to British Powdery Mildews, Ing, B., 1990	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera fusca/	Podosphaera fusca	a powdery mildew					Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio squalidus/	Senecio squalidus	Oxford ragwort		live						parasitises live
(live)		live is parasitised by subepidermal telium			Coleosporium tussilaginis	a rust fungus	Pucciniales: Coleosporiaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Coleosporiaceae/Coleosporium tussilaginis/	Coleosporium tussilaginis	a rust fungus		subepidermal		telium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio squalidus/	Senecio squalidus	Oxford ragwort		live						subepidermal telium parasitises live
(live)		live is parasitised by uredium			Coleosporium tussilaginis	a rust fungus	Pucciniales: Coleosporiaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Coleosporiaceae/Coleosporium tussilaginis/	Coleosporium tussilaginis	a rust fungus				uredium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio squalidus/	Senecio squalidus	Oxford ragwort		live						uredium parasitises live
capitulum		capitulum may contain larva			Sphenella marginata	Ragwort Fly	Diptera: Tephritidae	Tephritid Flies (Diptera: Tephritidae), White, I.M., 1988	/Animalia/Arthropoda/Insecta/Diptera/Tephritidae/Sphenella marginata/	Sphenella marginata	ragwort fly				larva	Foodplant / internal feeder		Foreign	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio squalidus/	Senecio squalidus	Oxford ragwort	?		capitulum					larva feeds within capitulum
capitulum		capitulum may contain larva			Trupanea stellata	Star-winged Ragwort Fly	Diptera: Tephritidae	Tephritid Flies (Diptera: Tephritidae), White, I.M., 1988	/Animalia/Arthropoda/Insecta/Diptera/Tephritidae/Trupanea stellata/	Trupanea stellata	star-winged ragwort fly				larva	Foodplant / internal feeder		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio squalidus/	Senecio squalidus	Oxford ragwort			capitulum		Major			larva feeds within capitulum
leaf		leaf is mined by larva			Trypeta zoe	Hemp Agrimony Leafminer	Diptera: Tephritidae	Tephritid Flies (Diptera: Tephritidae), White, I.M., 1988	/Animalia/Arthropoda/Insecta/Diptera/Tephritidae/Trypeta zoe/	Trypeta zoe	hemp agrimony leafminer				larva	Foodplant / miner		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio squalidus/	Senecio squalidus	Oxford ragwort			leaf					larva mines leaf
leaf (live, locally slightly yellowed)		live, locally slightly yellowed leaf may be infected and damaged by hypophyllous sorus			Pustula obtusata s. str.	a white rust	Albuginales: Albuginaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Chromista/Oomycota/Peronosporea/Albuginales/Albuginaceae/Pustula obtusata s. str./	Pustula obtusata s. str.	a white rust		hypophyllous	sorus		Foodplant / pathogen			/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio squalidus/	Senecio squalidus	Oxford ragwort		live, locally slightly yellowed	leaf		Major			hypophyllous sorus infects and damages live, locally slightly yellowed leaf
leaf (live)		live leaf is spotted by amphigenous colony of Ramularia hyphomycetous anamorph			Ramularia filaris var filaris	an anamorphic fungus	Capnodiales: Mycosphaerellaceae	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia filaris var. filaris/	Ramularia filaris var. filaris	an anamorphic fungus		amphigenous	colony	Ramularia hyphomycetous anamorph	Foodplant / spot causer		Foreign	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio squalidus/	Senecio squalidus	Oxford ragwort		live	leaf					amphigenous colony of Ramularia hyphomycetous anamorph causes spots on live leaf
leaf (live)		live leaf is spotted by immersed pycnidium of Ascochyta coelomycetous anamorph			Ascochyta senecionicola	a coelomycete	Pleosporales	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Ascochyta senecionicola/	Ascochyta senecionicola	a coelomycete		immersed	pycnidium	Ascochyta coelomycetous anamorph	Foodplant / spot causer			/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio squalidus/	Senecio squalidus	Oxford ragwort		live	leaf					immersed pycnidium of Ascochyta coelomycetous anamorph causes spots on live leaf
leaf (live)		live leaf is parasitised by grouped cluster-cup of aecium			Puccinia lagenophorae	Cineraria Rust, Daisy 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 The new groundsel rust in Britain and its relationship to certain Australasian rusts, Wilson, I.M., Walshaw, D.F. & Walker, J., 1965	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia lagenophorae/	Puccinia lagenophorae	cineraria rust, daisy rust		grouped	cluster-cup	aecium	Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio squalidus/	Senecio squalidus	Oxford ragwort		live	leaf		Major			grouped cluster-cup of aecium parasitises live leaf
leaf (live)		live leaf is parasitised by telium			Puccinia lagenophorae	Cineraria Rust, Daisy 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 The new groundsel rust in Britain and its relationship to certain Australasian rusts, Wilson, I.M., Walshaw, D.F. & Walker, J., 1965	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia lagenophorae/	Puccinia lagenophorae	cineraria rust, daisy rust				telium	Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio squalidus/	Senecio squalidus	Oxford ragwort		live	leaf		Major			telium parasitises live leaf
stem (live)		live stem is parasitised by telium			Puccinia lagenophorae	Cineraria Rust, Daisy 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 The new groundsel rust in Britain and its relationship to certain Australasian rusts, Wilson, I.M., Walshaw, D.F. & Walker, J., 1965	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia lagenophorae/	Puccinia lagenophorae	cineraria rust, daisy rust				telium	Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio squalidus/	Senecio squalidus	Oxford ragwort		live	stem		Major			telium parasitises live stem
stem (live)		live stem is parasitised by grouped cluster-cup of aecium			Puccinia lagenophorae	Cineraria Rust, Daisy 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 The new groundsel rust in Britain and its relationship to certain Australasian rusts, Wilson, I.M., Walshaw, D.F. & Walker, J., 1965	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia lagenophorae/	Puccinia lagenophorae	cineraria rust, daisy rust		grouped	cluster-cup	aecium	Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio squalidus/	Senecio squalidus	Oxford ragwort		live	stem		Major			grouped cluster-cup of aecium parasitises live stem

Author & Year	Title	Source
Braun, U., 1998	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II	Phytopathogenic Hyphomycetes, 2, 493pp, IHW-Verlag
Ellis, M.B. & J.P., 1997	Microfungi on Land Plants: An Identification Handbook	2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd
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
White, I.M., 1988	Tephritid Flies (Diptera: Tephritidae)	Handbooks for the Identification of British Insects , Vol 10. Part 5a, 134pp, The Royal Entomological Society of London
Wilson, I.M., Walshaw, D.F. & Walker, J., 1965	The new groundsel rust in Britain and its relationship to certain Australasian rusts	TBMS Vol 48 (4): 501-511.

Senecio squalidus (Oxford Ragwort) may also be included in 'fed on by' relations listed under the following higher taxa:

Senecio
(groundsels, ragwort)

Senecioneae
(a tribe of composites)

ASTERACEAE
(daisies, dandelions and thistles, composite)

EU-DICOTS
(dicotyledonous flowering plants)

MAGNOLIOPSIDA
(flowering plants)

TRACHEOPHYTA
(vascular plants)

PLANTAE
(plants)

Tall Woody Herbs
(tall woody herbs)

Herbaceous Plants
(herbaceous plants)

Taxonomic hierarchy:

Species	Senecio squalidus (Oxford Ragwort)
Genus	Senecio (groundsels, ragwort)
Tribe	Senecioneae (a tribe of composites)
Subfamily	ASTEROIDEAE (“daisies”)
Family	ASTERACEAE (daisies, dandelions and thistles, composite)
Order	ASTERALES (daisies, dandelions, thistles and bell flowers)
Subclass	EU-DICOTS (dicotyledonous flowering plants)
Class	MAGNOLIOPSIDA (flowering plants)
Phylum	TRACHEOPHYTA (vascular plants)
Kingdom	PLANTAE (plants)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Senecio squalidus is also a member of:
Tall Woody Herbs - tall woody herbs (via Senecio)
Herbaceous Plants - herbaceous plants (via Asteraceae)

NBN

NBN (data.nbn.org.uk) has a distribution map for Senecio squalidus (Oxford Ragwort)

Identification Works

Handling & Magnification	Author	Year	Title	Source
	Braithwaite, M.E., Ellis, B. & Preston, C.D.	2006	Change in the British Flora 1987-2004	British Wildlife Vol 17 (6): 381-390.

Senecio squalidus (Oxford Ragwort) may also be included in identification literature listed under the following higher taxa:

ASTERACEAE
(daisies, dandelions and thistles, composite)

MAGNOLIOPSIDA
(flowering plants)

TRACHEOPHYTA
(vascular plants)

PLANTAE
(plants)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Literature listed under the following higher taxa may be relevant to Senecio squalidus (Oxford Ragwort):

ASTERACEAE
(daisies, dandelions and thistles, composite)

MAGNOLIOPSIDA
(flowering plants)

TRACHEOPHYTA
(vascular plants)

PLANTAE
(plants)

Eukaryota
(eukaryotes)

BIOTA
(living things)

BioImages

BioImages (www.bioimages.org.uk) has 3 images of Senecio squalidus (Oxford Ragwort)

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