Podosphaera xanthii (Castagne) U. Braun & Shishkoff
(a powdery mildew)

Interactions where Podosphaera xanthii is the dominant partner and gains from the process

The following relationships have been collated from the published literature (see 'Interaction 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
cleistothecium		cleistothecium parasitises live leaf			Matricaria discoidea	Pineapple-weed, Rayless Mayweed	Asterales: Asteraceae	Sphaerotheca xanthii on Chamomilla suaveolens in Britain, Reid, D.A., 1986	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera xanthii/	Podosphaera xanthii	a powdery mildew				cleistothecium	Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Matricaria discoidea/	Matricaria discoidea	pineapple-weed, rayless mayweed		live	leaf
cleistothecium		cleistothecium parasitises live, fading leaf			Calendula officinalis	Pot Marigold	Asterales: Asteraceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera xanthii/	Podosphaera xanthii	a powdery mildew				cleistothecium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Calendula officinalis/	Calendula officinalis	pot marigold		live, fading	leaf
conidial anamorph		conidial anamorph parasitises live, fading leaf			Calendula officinalis	Pot Marigold	Asterales: Asteraceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera xanthii/	Podosphaera xanthii	a powdery mildew				conidial anamorph	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Calendula officinalis/	Calendula officinalis	pot marigold		live, fading	leaf
cleistothecium		cleistothecium parasitises live leaf			Pulicaria	fleabanes	Asterales: Asteraceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera xanthii/	Podosphaera xanthii	a powdery mildew				cleistothecium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Pulicaria/	Pulicaria	fleabanes		live	leaf
conidial anamorph		conidial anamorph parasitises live leaf			Pulicaria	fleabanes	Asterales: Asteraceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera xanthii/	Podosphaera xanthii	a powdery mildew				conidial anamorph	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Pulicaria/	Pulicaria	fleabanes		live	leaf
		parasitises live			Jacobaea vulgaris	Common Ragwort	Asterales: Asteraceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera xanthii/	Podosphaera xanthii	a powdery mildew					Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Jacobaea vulgaris/	Jacobaea vulgaris	common ragwort		live
		parasitises live			Verbena lasiostachys	a cultivated vervain	Lamiales: Verbenaceae	An Introduction to British Powdery Mildews, Ing, B., 1990	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera xanthii/	Podosphaera xanthii	a powdery mildew					Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Lamiales/Verbenaceae/Verbena lasiostachys/	Verbena lasiostachys	a cultivated vervain		live
		parasitises live			Verbena macdougalii	a cultivated vervain	Lamiales: Verbenaceae	An Introduction to British Powdery Mildews, Ing, B., 1990	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera xanthii/	Podosphaera xanthii	a powdery mildew					Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Lamiales/Verbenaceae/Verbena macdougalii/	Verbena macdougalii	a cultivated vervain		live
		parasitises live			Verbena stricta	a cultivated vervain	Lamiales: Verbenaceae	An Introduction to British Powdery Mildews, Ing, B., 1990	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera xanthii/	Podosphaera xanthii	a powdery mildew					Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Lamiales/Verbenaceae/Verbena stricta/	Verbena stricta	a cultivated vervain		live
		parasitises live			Verbena x hybrida	hybrid verbena	Lamiales: Verbenaceae	An Introduction to British Powdery Mildews, Ing, B., 1990	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera xanthii/	Podosphaera xanthii	a powdery mildew					Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Lamiales/Verbenaceae/Verbena x hybrida/	Verbena x hybrida	hybrid verbena		live

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
Ing, B., 1990	An Introduction to British Powdery Mildews	Mycologist Vol 4 (1) et seq.
Reid, D.A., 1986	Sphaerotheca xanthii on Chamomilla suaveolens in Britain	TBMS Vol 86 (1): 192-193.

Podosphaera xanthii (a powdery mildew) may also be included in 'feeds on' relations listed under the following higher taxa:

FUNGI
(true fungi)

Podosphaera xanthii (a powdery mildew) may be included in 'fed on by' relations listed under the following higher taxa:

ERYSIPHACEAE
(powdery mildews)

FUNGI
(true fungi)

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

Taxonomic hierarchy:

Species	Podosphaera xanthii (a powdery mildew)
Genus	Podosphaera (a genus of powdery mildews)
Family	ERYSIPHACEAE (powdery mildews)
Order	ERYSIPHALES (powdery mildews)
Subclass	LEOTIOMYCETIDAE (powdery mildews)
Class	LEOTIOMYCETES (a class of fungi)
Subphylum	PEZIZOMYCOTINA (a subphylum of ascomycetes)
Phylum	ASCOMYCOTA (spore shooters, ascomycete)
Kingdom	FUNGI (true fungi)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Podosphaera xanthii is also a member of:
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 Podosphaera xanthii (a powdery mildew)

Identification Works

Handling & Magnification	Author	Year	Title	Source
	Reid, D.A.	1986	Sphaerotheca xanthii on Chamomilla suaveolens in Britain	TBMS Vol 86 (1): 192-193.

Podosphaera xanthii (a powdery mildew) may also be included in identification literature listed under the following higher taxa:

ERYSIPHALES
(powdery mildews)

LEOTIOMYCETIDAE
(powdery mildews)

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

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

Literature listed under the following higher taxa may be relevant to Podosphaera xanthii (a powdery mildew):

ERYSIPHACEAE
(powdery mildews)

ERYSIPHALES
(powdery mildews)

LEOTIOMYCETIDAE
(powdery mildews)

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

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

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