Podosphaera clandestina var clandestina (Wallr.) Lév.
(Hawthorn Mildew)

Interactions where Podosphaera clandestina var clandestina 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
		parasitises			Crataegus laevigata	Midland Hawthorn	Rosales: Rosaceae	An Introduction to British Powdery Mildews, Ing, B., 1990	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera clandestina var. clandestina/	Podosphaera clandestina var. clandestina	hawthorn mildew					Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Crataegus laevigata/	Crataegus laevigata	Midland hawthorn
		parasitises			Crataegus monogyna	Hawthorn	Rosales: Rosaceae	An Introduction to British Powdery Mildews, Ing, B., 1990	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera clandestina var. clandestina/	Podosphaera clandestina var. clandestina	hawthorn mildew					Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Crataegus monogyna/	Crataegus monogyna	hawthorn
		parasitises			Cydonia oblonga	Quince	Rosales: Rosaceae	An Introduction to British Powdery Mildews, Ing, B., 1990	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera clandestina var. clandestina/	Podosphaera clandestina var. clandestina	hawthorn mildew					Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Cydonia oblonga/	Cydonia oblonga	quince
		parasitises			Mespilus germanica	Medlar	Rosales: Rosaceae	An Introduction to British Powdery Mildews, Ing, B., 1990	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Podosphaera clandestina var. clandestina/	Podosphaera clandestina var. clandestina	hawthorn mildew					Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Mespilus germanica/	Mespilus germanica	medlar

Author & Year	Title	Source
Ing, B., 1990	An Introduction to British Powdery Mildews	Mycologist Vol 4 (1) et seq.

Podosphaera clandestina var clandestina (Hawthorn Mildew) may also be included in 'feeds on' relations listed under the following higher taxa:

Podosphaera clandestina
(Hawthorn Mildew)

FUNGI
(true fungi)

Podosphaera clandestina var clandestina (Hawthorn 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:

Variety	Podosphaera clandestina var clandestina (Hawthorn Mildew)
Species	Podosphaera clandestina (Hawthorn 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 clandestina var clandestina is also a member of:
Podosphaera clandestina/spiraeae - a pair of indistinguishable powdery mildews on Spiraea (via Podosphaera clandestina)
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 clandestina var clandestina (Hawthorn Mildew)

Podosphaera clandestina var clandestina (Hawthorn Mildew) may 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 clandestina var clandestina (Hawthorn 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))

BioImages

BioImages (www.bioimages.org.uk) has 29 images of Podosphaera clandestina var clandestina (Hawthorn Mildew)

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