Peronospora gei Syd.
(a downy mildew)

Interactions where Peronospora gei 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
sporangium sporangium parasitises live leaf UK/Ireland Geum rivale Water Avens Rosales: Rosaceae Fungal Records Database of Britain and Ireland, Cooper, J. & Kirk, P.M.
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora gei/Peronospora geia downy mildewsporangium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Geum rivale/Geum rivalewater avensliveleaf
sporangium (hypophyllous) hypophyllous colony of sporangium causes spots on live, patchily chlorotic leaf UK/IrelandMinor Geum rivale Water Avens Rosales: Rosaceae 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 gei/Peronospora geia downy mildewhypophyllouscolonysporangium Foodplant / spot causerUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Geum rivale/Geum rivalewater avenslive, patchily chloroticleafMinor
sporangium (hypophyllous) hypophyllous colony of sporangium causes spots on live, patchily chlorotic leaf UK/IrelandMajor Geum sp. cult. cultivated geums Rosales: Rosaceae New or interesting British fungi, Dennis, R.W.G. & Wakefield, E.M., 1946
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 gei/Peronospora geia downy mildewhypophyllouscolonysporangium Foodplant / spot causerUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Geum sp. cult./Geum sp. cult.cultivated geumslive, patchily chloroticleafMajor
sporangium (hypophyllous) hypophyllous colony of sporangium causes spots on live, patchily chlorotic leaf UK/IrelandMinor Geum urbanum Wood Avens, Herb Bennet Rosales: Rosaceae 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 gei/Peronospora geia downy mildewhypophyllouscolonysporangium Foodplant / spot causerUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Geum urbanum/Geum urbanumwood avens, herb Bennetlive, patchily chloroticleafMinor

Author & YearTitleSource
Cooper, J. & Kirk, P.M.Fungal Records Database of Britain and Irelandwww.fieldmycology.net/GBCHKLST/gbchklst.asp
Dennis, R.W.G. & Wakefield, E.M., 1946New or interesting British fungiTBMS Vol 29 (3): 141-166.
Ellis, M.B. & J.P., 1997Microfungi on Land Plants: An Identification Handbook2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd
Preece, T.F., 2002A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles33pp, British Mycological Society

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

Taxonomic hierarchy:
SpeciesPeronospora gei (a 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 gei (a downy mildew)

Identification Works

Handling & MagnificationAuthorYearTitleSource
Dennis, R.W.G. & Wakefield, E.M. 1946 New or interesting British fungi TBMS Vol 29 (3): 141-166.

Peronospora gei (a 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 gei (a downy mildew):

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