Peronospora radii de Bary
(a downy mildew)

Interactions where Peronospora radii 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
sporangium		sporangium causes spots on live imported			Argyranthemum frutescens	Marguerite, Paris Daisy	Asterales: Asteraceae	A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002	/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora radii/	Peronospora radii	a downy mildew				sporangium	Foodplant / spot causer		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Argyranthemum frutescens/	Argyranthemum frutescens	marguerite, Paris daisy		live		imported
sporangium		sporangium parasitises live leaf			Dendranthema	florist’s chrysanthemums, "mums"	Asterales: Asteraceae	Fungi of the South East England, Dennis, R.W.G., 1995 Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997 A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002	/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora radii/	Peronospora radii	a downy mildew				sporangium	Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Dendranthema/	Dendranthema	florist's chrysanthemums, "mums"		live	leaf
sporangium		sporangium parasitises live flower			Dendranthema	florist’s chrysanthemums, "mums"	Asterales: Asteraceae	Fungi of the South East England, Dennis, R.W.G., 1995 Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997 A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002	/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora radii/	Peronospora radii	a downy mildew				sporangium	Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Dendranthema/	Dendranthema	florist's chrysanthemums, "mums"		live	flower
sporangium		sporangium parasitises live leaf			Glebionis segetum	Corn Marigold	Asterales: Asteraceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997 A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002	/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora radii/	Peronospora radii	a downy mildew				sporangium	Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Glebionis segetum/	Glebionis segetum	corn marigold		live	leaf
sporangium		sporangium parasitises live flower			Glebionis segetum	Corn Marigold	Asterales: Asteraceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997 A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002	/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora radii/	Peronospora radii	a downy mildew				sporangium	Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Glebionis segetum/	Glebionis segetum	corn marigold		live	flower
sporangium		sporangium parasitises live			Matricaria chamomilla	Scented Mayweed	Asterales: Asteraceae	A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002	/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora radii/	Peronospora radii	a downy mildew				sporangium	Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Matricaria chamomilla/	Matricaria chamomilla	scented mayweed		live
sporangium		sporangium parasitises live leaf			Tripleurospermum	mayweeds	Asterales: Asteraceae	Fungi of the South East England, Dennis, R.W.G., 1995	/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora radii/	Peronospora radii	a downy mildew				sporangium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Tripleurospermum/	Tripleurospermum	mayweeds		live	leaf
sporangium		sporangium parasitises live			Tripleurospermum inodorum	Scentless Mayweed	Asterales: Asteraceae	A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002	/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora radii/	Peronospora radii	a downy mildew				sporangium	Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Tripleurospermum inodorum/	Tripleurospermum inodorum	scentless mayweed		live
sporangium		sporangium parasitises live			Tripleurospermum maritimum	Sea Mayweed	Asterales: Asteraceae	A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002	/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora radii/	Peronospora radii	a downy mildew				sporangium	Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Tripleurospermum maritimum/	Tripleurospermum maritimum	sea mayweed		live
sporangium		sporangium parasitises live leaf			Leucanthemum vulgare	Oxeye Daisy, Moon-daisy, Marguerite	Asterales: Asteraceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora radii/	Peronospora radii	a downy mildew				sporangium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Leucanthemum vulgare/	Leucanthemum vulgare	oxeye daisy, moon-daisy, marguerite		live	leaf
sporangium		sporangium parasitises live flower			Leucanthemum vulgare	Oxeye Daisy, Moon-daisy, Marguerite	Asterales: Asteraceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora radii/	Peronospora radii	a downy mildew				sporangium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Leucanthemum vulgare/	Leucanthemum vulgare	oxeye daisy, moon-daisy, marguerite		live	flower

Peronospora radii (a downy mildew) may be included in 'fed on by' relations listed under the following higher taxa:

CHROMISTA
(algae)

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

Author & Year	Title	Source
Dennis, R.W.G., 1995	Fungi of the South East England	383pp, Royal Botanic Gardens, Kew
Ellis, M.B. & J.P., 1997	Microfungi on Land Plants: An Identification Handbook	2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd
Preece, T.F., 2002	A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles	33pp, British Mycological Society

Taxonomic hierarchy:

Species	Peronospora radii (a downy mildew)
Genus	Peronospora (a genus of downy mildews)
Family	PERONOSPORACEAE (downy mildews)
Order	PERONOSPORALES (downy mildews and white rusts)
Class	PERONOSPOREA (a class of fungoid organisms)
Phylum	OOMYCOTA (a group of mainly plant-parasitic fungi)
Kingdom	CHROMISTA (algae)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Peronospora radii is also a member of:
Fungi s.l. - fungi (in the broad sense) (via Oomycota)
Micromycetes - microfungi (via Oomycota)
Lower Plants - lower plants (via Fungi s.l.)

NBN

NBN (data.nbn.org.uk) has a distribution map for Peronospora radii (a downy mildew)

Peronospora radii (a downy mildew) may be included in identification literature listed under the following higher taxa:

Peronospora
(a genus of downy mildews)

PERONOSPORALES
(downy mildews and white rusts)

OOMYCOTA
(a group of mainly plant-parasitic fungi)

CHROMISTA
(algae)

Eukaryota
(eukaryotes)

BIOTA
(living things)

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

Literature listed under the following higher taxa may be relevant to Peronospora radii (a downy mildew):

Peronospora
(a genus of downy mildews)

PERONOSPORACEAE
(downy mildews)

PERONOSPORALES
(downy mildews and white rusts)

OOMYCOTA
(a group of mainly plant-parasitic fungi)

CHROMISTA
(algae)

Eukaryota
(eukaryotes)

BIOTA
(living things)

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

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