BioImages: The Virtual Field-Guide (UK)

Senecio squalidus L. (Oxford Ragwort)

Records (and photo sets)

Taxon	Summary	Date	Vice-county	Country
Senecio squalidus	Plant	1 April 2000	Berks	England	3

Suggested Literature

Identification Works

Braithwaite, M.E., Ellis, B. & Preston, C.D., 2006 (Colour photograph)

Change in the British Flora 1987-2004

Senecio squalidus may also be covered by literature listed under:

BIOTA
(living things)

Eukaryota
(eukaryotes)

PLANTAE
(plants)

SPERMATOPHYTA
(vascular plants)

MAGNOLIOPSIDA
(flowering plants)

MAGNOLIIDAE
(dicotyledonous flowering plants)

ASTERACEAE
(daisies, dandelions and thistles - formerly Compositae)

Feeding and other inter-species relationships

Associated with Senecio squalidus:

(live)	live is parasitised by	Podosphaera fusca - a powdery mildew (Erysiphales: Erysiphaceae)	Ing, B., 1990
(live)	live is parasitised by subepidermal telium	Coleosporium tussilaginis - a rust fungus (Uredinales: Coleosporiaceae)	Ellis, M.B. & J.P., 1997
(live)	live is parasitised by uredium	Coleosporium tussilaginis - a rust fungus (Uredinales: Coleosporiaceae)	Ellis, M.B. & J.P., 1997
(live)	live is parasitised by telium	Puccinia lagenophorae - a rust fungus (Uredinales: Pucciniaceae)	Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 Ellis, M.B. & J.P., 1997
	may be infected and damaged by	Albugo tragopogonis var. tragopogonis - a white rust (Peronosporales: Albuginaceae)	Ellis, M.B. & J.P., 1997
capitulum	capitulum may contain larva	Sphenella marginata - a gall fly (Diptera: Tephritidae)	White, I.M., 1988
capitulum	capitulum may contain larva	Trupanea stellata - a gall fly (Diptera: Tephritidae)	White, I.M., 1988
leaf (live)	live leaf is parasitised by grouped aecium	Puccinia lagenophorae - a rust fungus (Uredinales: Pucciniaceae)	Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 Ellis, M.B. & J.P., 1997
leaf (live)	live leaf is spotted by immersed pycnidium of Ascochyta coelomycetous anamorph	Ascochyta senecionicola - a coelomycete	Ellis, M.B. & J.P., 1997 [causes greyish-brown spots 0.5-2cm diam.]
leaf	leaf is mined by larva	Trypeta zoe - a gall fly (Diptera: Tephritidae)	White, I.M., 1988
stem (live)	live stem is parasitised by grouped aecium	Puccinia lagenophorae - a rust fungus (Uredinales: Pucciniaceae)	Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 Ellis, M.B. & J.P., 1997

Senecio squalidus may be associated with more taxa listed at higher taxonomic level

MAGNOLIOPSIDA
(flowering plants)

MAGNOLIIDAE
(dicotyledonous flowering plants)

ASTERACEAE
(daisies, dandelions and thistles - formerly Compositae)

Senecio
(ragworts)

References

Ellis, M.B. & J.P., 1997	Microfungi on Land Plants: An Identification Handbook
Ing, B., 1990	An Introduction to British Powdery Mildews
Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	Checklist of the British and Irish Basidiomycota
White, I.M., 1988	Tephritid Flies (Diptera: Tephritidae)

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