Phyllactinia guttata (Wallr.) Lév.
(Hazel Mildew, Hazelnut Powdery Mildew)

Interactions where Phyllactinia guttata 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
(hypophyllous) hypophyllous parasitises live leaf UK/Ireland Hedera helix Ivy Apiales: Araliaceae An Introduction to British Powdery Mildews, Ing, B., 1990
Teaching Techniques for Mycology: 13. Functioning of cleistothecia in Phyllactinia guttata, Weber, R.W.S. & Webster, J., 2001
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Apiales/Araliaceae/Hedera helix/Hedera helixivyliveleaf
(hypophyllous) hypophyllous parasitises live leaf UK/Ireland Ilex aquifolium Holly Aquifoliales: Aquifoliaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
An Introduction to British Powdery Mildews, Ing, B., 1990
Teaching Techniques for Mycology: 13. Functioning of cleistothecia in Phyllactinia guttata, Weber, R.W.S. & Webster, J., 2001
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Aquifoliales/Aquifoliaceae/Ilex aquifolium/Ilex aquifoliumhollyliveleaf
(hypophyllous) hypophyllous parasitises live leaf Foreign Buxus sempervirens Box Buxales: Buxaceae An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteForeign /Plantae/Tracheophyta/Magnoliopsida/Buxales/Buxaceae/Buxus sempervirens/Buxus sempervirensboxliveleaf
(hypophyllous) hypophyllous parasitises live leaf UK/Ireland Alnus glutinosa Alder Fagales: Betulaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/Alnus glutinosaalderliveleaf
(hypophyllous) hypophyllous parasitises live leaf UK/IrelandMinor Betula pendula Silver Birch Fagales: Betulaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Betula pendula/Betula pendulasilver birchliveleafMinor
(hypophyllous) hypophyllous parasitises live leaf UK/IrelandMinor Betula pubescens Downy Birch Fagales: Betulaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Betula pubescens/Betula pubescensdowny birchliveleafMinor
(hypophyllous) hypophyllous parasitises live leaf UK/IrelandMinor Carpinus betulus Hornbeam Fagales: Betulaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Carpinus betulus/Carpinus betulushornbeamliveleafMinor
cleistothecium (hypophyllous) hypophyllous cleistothecium may be found on fading leaf of especially on new growth following cutting the previous year Major Corylus hazels Fagales: Betulaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllouscleistothecium Plant / resting place / on /Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Corylus/Corylushazelsfadingleafespecially on new growth following cutting the previous yearMajor (10-12)
cleistothecium (hypophyllous) hypophyllous cleistothecium may be found on dead leaf of especially on new growth following cutting the previous year Major Corylus hazels Fagales: Betulaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllouscleistothecium Plant / resting place / on /Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Corylus/Corylushazelsdeadleafespecially on new growth following cutting the previous yearMajor (10-12)
Ovulariopsis anamorph (hypophyllous, poorly developed) hypophyllous, poorly developed Ovulariopsis anamorph parasitises live leaf of especially on new growth following cutting the previous year Major Corylus hazels Fagales: Betulaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous, poorly developedOvulariopsis anamorph Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Corylus/Corylushazelsliveleafespecially on new growth following cutting the previous yearMajor
(hypophyllous) hypophyllous parasitises live leaf UK/Ireland Corylus avellana Hazel Fagales: Betulaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Corylus avellana/Corylus avellanahazelliveleaf
(hypophyllous) hypophyllous parasitises live flower UK/Ireland Corylus avellana Hazel Fagales: Betulaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Corylus avellana/Corylus avellanahazelliveflower
(hypophyllous) hypophyllous parasitises live leaf UK/Ireland Corylus maxima Filbert Fagales: Betulaceae An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Corylus maxima/Corylus maximafilbertliveleaf
(hypophyllous) hypophyllous parasitises live leaf UK/IrelandMinor Castanea sativa Sweet Chestnut Fagales: Fagaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
An Introduction to British Powdery Mildews, Ing, B., 1990
Teaching Techniques for Mycology: 13. Functioning of cleistothecia in Phyllactinia guttata, Weber, R.W.S. & Webster, J., 2001
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Castanea sativa/Castanea sativasweet chestnutliveleafMinor
(hypophyllous) hypophyllous parasitises live leaf Fagus beeches Fagales: Fagaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
Teaching Techniques for Mycology: 13. Functioning of cleistothecia in Phyllactinia guttata, Weber, R.W.S. & Webster, J., 2001
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Fagus/Fagusbeechesliveleaf
(hypophyllous) hypophyllous parasitises live leaf UK/Ireland Fagus sylvatica Beech Fagales: Fagaceae An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Fagus sylvatica/Fagus sylvaticabeechliveleaf
(hypophyllous) hypophyllous is saprobic on dead leaf UK/Ireland Fagus sylvatica Beech Fagales: Fagaceae /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / saprobeUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Fagus sylvatica/Fagus sylvaticabeechdeadleaf
(hypophyllous) hypophyllous parasitises live leaf Fraxinus excelsior Ash Lamiales: Oleaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Lamiales/Oleaceae/Fraxinus excelsior/Fraxinus excelsiorashliveleaf
(hypophyllous) hypophyllous parasitises live leaf Syringa vulgaris Lilac Lamiales: Oleaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Lamiales/Oleaceae/Syringa vulgaris/Syringa vulgarislilacliveleaf
(hypophyllous) hypophyllous parasitises live leaf Foreign Salix willows Malpighiales: Salicaceae CSL Pest Risk Analysis for Salix, Anon., 2007
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteForeign /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Salix/Salixwillowsliveleaf
(hypophyllous) hypophyllous parasitises live leaf UK/Ireland Callistemon phoeniceus a garden plant Myrtales: Myrtaceae An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Myrtales/Myrtaceae/Callistemon phoeniceus/Callistemon phoeniceusa garden plantliveleaf
(hypophyllous) hypophyllous parasitises live leaf Foreign Morus nigra Black Mulberry Rosales: Moraceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasiteForeign /Plantae/Tracheophyta/Magnoliopsida/Rosales/Moraceae/Morus nigra/Morus nigrablack mulberryliveleaf
(hypophyllous) hypophyllous parasitises live leaf Acer maples Sapindales: Sapindaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllous Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Sapindales/Sapindaceae/Acer/Acermaplesliveleaf
cleistothecium (hypophyllous) hypophyllous cleistothecium parasitises live leaf Foreign Aesculus horse chestnuts Sapindales: Sapindaceae The Horse Chestnut powdery mildew Uncinula flexuosa in Europe (New British Record 210), Ing, B. & Spooner, B., 2002
Teaching Techniques for Mycology: 13. Functioning of cleistothecia in Phyllactinia guttata, Weber, R.W.S. & Webster, J., 2001
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllouscleistothecium Foodplant / parasiteForeign /Plantae/Tracheophyta/Magnoliopsida/Sapindales/Sapindaceae/Aesculus/Aesculushorse chestnutsliveleaf
conidial anamorph (hypophyllous) hypophyllous conidial anamorph parasitises live leaf Foreign Aesculus horse chestnuts Sapindales: Sapindaceae The Horse Chestnut powdery mildew Uncinula flexuosa in Europe (New British Record 210), Ing, B. & Spooner, B., 2002
Teaching Techniques for Mycology: 13. Functioning of cleistothecia in Phyllactinia guttata, Weber, R.W.S. & Webster, J., 2001
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllousconidial anamorph Foodplant / parasiteForeign /Plantae/Tracheophyta/Magnoliopsida/Sapindales/Sapindaceae/Aesculus/Aesculushorse chestnutsliveleaf
cleistothecium (hypophyllous) hypophyllous cleistothecium parasitises live leaf UK/IrelandMinor Aesculus hippocastanum Horse Chestnut, Horse-chestnut Sapindales: Sapindaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
The Horse Chestnut powdery mildew Uncinula flexuosa in Europe (New British Record 210), Ing, B. & Spooner, B., 2002
An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllouscleistothecium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Sapindales/Sapindaceae/Aesculus hippocastanum/Aesculus hippocastanumhorse chestnut, horse-chestnutliveleafMinor
conidial anamorph (hypophyllous) hypophyllous conidial anamorph parasitises live leaf UK/IrelandMinor Aesculus hippocastanum Horse Chestnut, Horse-chestnut Sapindales: Sapindaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
The Horse Chestnut powdery mildew Uncinula flexuosa in Europe (New British Record 210), Ing, B. & Spooner, B., 2002
An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia guttata/Phyllactinia guttatahazel mildew, hazelnut powdery mildewhypophyllousconidial anamorph Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Sapindales/Sapindaceae/Aesculus hippocastanum/Aesculus hippocastanumhorse chestnut, horse-chestnutliveleafMinor

Phyllactinia guttata (Hazel Mildew, Hazelnut Powdery Mildew) may also be included in 'feeds on' relations listed under the following higher taxa:

Phyllactinia guttata (Hazel Mildew, Hazelnut Powdery Mildew) may be included in 'fed on by' relations listed under the following higher taxa:

Author & YearTitleSource
Anon., 2007CSL Pest Risk Analysis for SalixPRAs for consultation on pest risk management PRAs for consultation on pest risk management.
Buczacki, S. & Harris, K., 1998Pests, Diseases & Disorders of Garden PlantsCollins Photoguide, 2nd edition edition, Collins
Ellis, M.B. & J.P., 1997Microfungi on Land Plants: An Identification Handbook2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd
Ing, B. & Spooner, B., 2002The Horse Chestnut powdery mildew Uncinula flexuosa in Europe (New British Record 210)Mycologist Vol 16 (3): 112-113.
Ing, B., 1990An Introduction to British Powdery MildewsMycologist Vol 4 (1) et seq.
Weber, R.W.S. & Webster, J., 2001Teaching Techniques for Mycology: 13. Functioning of cleistothecia in Phyllactinia guttataMycologist Vol 15 (1): 26-30.
Taxonomic hierarchy:
SpeciesPhyllactinia guttata (Hazel Mildew, Hazelnut Powdery Mildew)
GenusPhyllactinia (a genus of powdery mildews)
FamilyERYSIPHACEAE (powdery mildews)
OrderERYSIPHALES (powdery mildews)
SubclassLEOTIOMYCETIDAE (powdery mildews)
ClassLEOTIOMYCETES (a class of fungi)
SubphylumPEZIZOMYCOTINA (a subphylum of ascomycetes)
PhylumASCOMYCOTA (spore shooters, ascomycete)
KingdomFUNGI (true fungi)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
NBNNBN (data.nbn.org.uk) has a distribution map for Phyllactinia guttata (Hazel Mildew, Hazelnut Powdery Mildew)

Identification Works

AuthorYearTitleSource
Ing, B. & Spooner, B. 2002 The Horse Chestnut powdery mildew Uncinula flexuosa in Europe (New British Record 210) Mycologist Vol 16 (3): 112-113.
Weber, R.W.S. & Webster, J. 2001 Teaching Techniques for Mycology: 13. Functioning of cleistothecia in Phyllactinia guttata Mycologist Vol 15 (1): 26-30.

Phyllactinia guttata (Hazel Mildew, Hazelnut Powdery Mildew) may also be included in identification literature listed under the following higher taxa:

Literature listed under the following higher taxa may be relevant to Phyllactinia guttata (Hazel Mildew, Hazelnut Powdery Mildew):

Creative Commons License
This website is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Licence.

Unless otherwise expressly stated, all original material on the BioInfo website by Malcolm Storey is licensed under the above Creative Commons Licence.

BioInfo - Wildlife Information (UK)