Peronospora violae de Bary
(Pansy Downy Mildew)

Interactions where Peronospora violae 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
causes gall of stem Viola violets, pansies Malpighiales: Violaceae Provisional Keys to British Plant Galls, Stubbs, F.B. (Editor), 1986
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora violae/Peronospora violaepansy downy mildew Foodplant / gall /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Violaceae/Viola/Violaviolets, pansiesstem
causes gall of leaf Viola violets, pansies Malpighiales: Violaceae Provisional Keys to British Plant Galls, Stubbs, F.B. (Editor), 1986
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora violae/Peronospora violaepansy downy mildew Foodplant / gall /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Violaceae/Viola/Violaviolets, pansiesleaf
sporangium (hypophyllous) hypophyllous sporangium parasitises live leaf UK/IrelandRestricted Viola violets, pansies Malpighiales: Violaceae Peronospora violae, Hall, G., 1980
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora violae/Peronospora violaepansy downy mildewhypophylloussporangium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Violaceae/Viola/Violaviolets, pansiesliveleafSole (10)11-)
sporangium (hypophyllous) hypophyllous sporangium parasitises live leaf UK/Ireland Viola arvensis Field Pansy Malpighiales: Violaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
Peronospora violae, Hall, G., 1980
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora violae/Peronospora violaepansy downy mildewhypophylloussporangium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Violaceae/Viola arvensis/Viola arvensisfield pansyliveleaf (10)11-)
sporangium (hypophyllous) hypophyllous sporangium parasitises live leaf UK/Ireland Viola canina ssp canina Heath Dog-violet Malpighiales: Violaceae Peronospora violae, Hall, G., 1980
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora violae/Peronospora violaepansy downy mildewhypophylloussporangium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Violaceae/Viola canina subsp. canina/Viola canina subsp. caninaheath dog-violetliveleaf (10)11-)
sporangium (hypophyllous) hypophyllous sporangium parasitises live leaf Viola cornuta Horned Pansy Malpighiales: Violaceae Peronospora violae, Hall, G., 1980
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora violae/Peronospora violaepansy downy mildewhypophylloussporangium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Violaceae/Viola cornuta/Viola cornutahorned pansyliveleaf (10)11-)
sporangium (hypophyllous) hypophyllous sporangium parasitises live leaf Viola kitaibeliana Dwarf Pansy Malpighiales: Violaceae Peronospora violae, Hall, G., 1980
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora violae/Peronospora violaepansy downy mildewhypophylloussporangium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Violaceae/Viola kitaibeliana/Viola kitaibelianadwarf pansyliveleaf (10)11-)
sporangium (hypophyllous) hypophyllous sporangium parasitises live leaf UK/Ireland Viola palustris Marsh Violet Malpighiales: Violaceae Peronospora violae, Hall, G., 1980
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora violae/Peronospora violaepansy downy mildewhypophylloussporangium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Violaceae/Viola palustris/Viola palustrismarsh violetliveleaf (10)11-)
sporangium (hypophyllous) hypophyllous sporangium parasitises live leaf UK/Ireland Viola reichenbachiana Early Dog-violet Malpighiales: Violaceae Peronospora violae, Hall, G., 1980
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora violae/Peronospora violaepansy downy mildewhypophylloussporangium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Violaceae/Viola reichenbachiana/Viola reichenbachianaearly dog-violetliveleaf (10)11-)
sporangium (hypophyllous) hypophyllous sporangium parasitises live leaf UK/Ireland Viola riviniana Common Dog-violet, Blunt-spurred Violet Malpighiales: Violaceae Peronospora violae, Hall, G., 1980
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora violae/Peronospora violaepansy downy mildewhypophylloussporangium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Violaceae/Viola riviniana/Viola rivinianacommon dog-violet, blunt-spurred violetliveleaf (10)11-)
sporangium (hypophyllous) hypophyllous sporangium parasitises live leaf UK/Ireland Viola tricolor Wild Pansy Malpighiales: Violaceae Peronospora violae, Hall, G., 1980
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora violae/Peronospora violaepansy downy mildewhypophylloussporangium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Violaceae/Viola tricolor/Viola tricolorwild pansyliveleaf (10)11-)
sporangium (hypophyllous) hypophyllous sporangium parasitises live leaf UK/Ireland Viola x wittrockiana (V. altaica x lutea x tricolor) garden pansy Malpighiales: Violaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Peronospora violae, Hall, G., 1980
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora violae/Peronospora violaepansy downy mildewhypophylloussporangium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Violaceae/Viola x wittrockiana (V. altaica x lutea x tricolor)/Viola x wittrockiana (V. altaica x lutea x tricolor)garden pansyliveleaf (10)11-)

Author & YearTitleSource
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
Hall, G., 1980Peronospora violaeI.M.I. Descriptions of Pathogenic Fungi and Bacteria CMI Descriptions of Pathenogenic Fungi and Bacteria Sheet 977.
Preece, T.F., 2002A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles33pp, British Mycological Society
Stubbs, F.B. (Editor), 1986Provisional Keys to British Plant Galls95pp, British Plant Gall Society (BPGS)

Peronospora violae (Pansy Downy Mildew) may be included in 'fed on by' relations listed under the following higher taxa:

Taxonomic hierarchy:
SpeciesPeronospora violae (Pansy Downy Mildew)
GenusPeronospora (a genus of downy mildews)
FamilyPERONOSPORACEAE (downy mildews)
OrderPERONOSPORALES (downy mildews and white rusts)
ClassPERONOSPOREA (a class of fungoid organisms)
PhylumOOMYCOTA (a group of mainly plant-parasitic fungi)
KingdomCHROMISTA (algae)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
NBNNBN (data.nbn.org.uk) has a distribution map for Peronospora violae (Pansy Downy Mildew)

Identification Works

Handling & MagnificationAuthorYearTitleSource
Hall, G. 1980 Peronospora violae I.M.I. Descriptions of Pathogenic Fungi and Bacteria CMI Descriptions of Pathenogenic Fungi and Bacteria Sheet 977.

Peronospora violae (Pansy Downy 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 Peronospora violae (Pansy Downy Mildew):

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