Geranium L.
(true geraniums)

Interactions where Geranium is the victim or passive partner (and generally loses out from the process)

The following relationships have been collated from the published literature (see 'Interaction References').

Filters:

Affected Part 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 Summary
may be infected and damaged by stem Xanthomonas pelargonii Bacterial Rot Of Pelargonium - causative organism Xanthomonas pelargonii (Brown) Starr & Burkholder, McPherson, J.M., Bradbury, J.F. & Preece, T.F., 1998
/Proteobacteria/Xanthomonas pelargonii/Xanthomonas pelargoniiBacterial rot of Pelargonium (causative organism)stem Foodplant / pathogen /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniums stem infects and damages
may be infected and damaged by leaf Xanthomonas pelargonii Bacterial Rot Of Pelargonium - causative organism Xanthomonas pelargonii (Brown) Starr & Burkholder, McPherson, J.M., Bradbury, J.F. & Preece, T.F., 1998
/Proteobacteria/Xanthomonas pelargonii/Xanthomonas pelargoniiBacterial rot of Pelargonium (causative organism)leaf Foodplant / pathogen /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniums leaf infects and damages
is foodplant of larva Zacladus exiguus Bloody Cranesbill Weevil Coleoptera: Curculionidae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
/Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Zacladus exiguus/Zacladus exiguusbloody cranesbill weevillarva Foodplant / feeds on /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniums larva feeds on
bud has sap sucked by Rhopalus parumpunctatus a rhopalid bug Hemiptera: Rhopalidae Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959
/Animalia/Arthropoda/Insecta/Hemiptera/Rhopalidae/Rhopalus (Rhopalus) parumpunctatus/Rhopalus (Rhopalus) parumpunctatusa rhopalid bug Foodplant / sap sucker /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniumsbud sucks sap of bud
seed has sap sucked by Rhopalus parumpunctatus a rhopalid bug Hemiptera: Rhopalidae Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959
/Animalia/Arthropoda/Insecta/Hemiptera/Rhopalidae/Rhopalus (Rhopalus) parumpunctatus/Rhopalus (Rhopalus) parumpunctatusa rhopalid bug Foodplant / sap sucker /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniumsseed sucks sap of seed
(live) live is parasitised by Pestalozziella coelomycetous anamorph UK/Ireland Pestalozziella subsessilis a coelomycete Fungi of the South East England, Dennis, R.W.G., 1995
/Fungi/Ascomycota/Pestalozziella subsessilis/Pestalozziella subsessilisa coelomycetePestalozziella coelomycetous anamorph Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniumslive Pestalozziella coelomycetous anamorph parasitises live
leaf leaf is grazed by UK/IrelandQuestionable Brachypera dauci a weevil Coleoptera: Curculionidae True Weevils (Part I): Family Curculionidae, subfamilies Raymondionyminae to Smicronychinae, Morris, M.G., 2002
/Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Brachypera dauci/Brachypera daucia weevil Foodplant / open feederUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniums?leaf grazes on leaf
leaf leaf is grazed by larva UK/Ireland Limobius borealis a weevil Coleoptera: Curculionidae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
True Weevils (Part I): Family Curculionidae, subfamilies Raymondionyminae to Smicronychinae, Morris, M.G., 2002
/Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Limobius borealis/Limobius borealisa weevillarva Foodplant / open feederUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniumsleaf larva grazes on leaf
leaf leaf is foodplant of larva Ametastegia carpini a sawfly Hymenoptera: Tenthredinidae Hymenoptera: 2. Symphyta. Section (b), Benson, R.B., 1952
/Animalia/Arthropoda/Insecta/Hymenoptera/Tenthredinidae/Ametastegia carpini/Ametastegia carpinia sawflylarva Foodplant / feeds on /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniumsleaf larva feeds on leaf
leaf (live, small, crinkled, yellowish) live, small, crinkled, yellowish leaf is parasitised by sporangium Peronospora conglomerata a downy mildew Peronosporales: Peronosporaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora conglomerata/Peronospora conglomerataa downy mildewsporangium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniumslive, small, crinkled, yellowishleaf sporangium parasitises live, small, crinkled, yellowish leaf
leaf (live) live leaf is mined by larva ForeignRestricted Agromyza nigrescens a leaf-mining fly Diptera: Agromyzidae Diptera: Agromyzidae, Spencer, K.A., 1972
/Animalia/Arthropoda/Insecta/Diptera/Agromyzidae/Agromyza nigrescens/Agromyza nigrescensa leaf-mining flylarva Foodplant / minerForeign /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniumsliveleafSole larva mines live leaf
leaf (live) live leaf is parasitised by hypophyllous pycnium Uromyces geranii Geranium Rust Pucciniales: Pucciniaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Uromyces geranii/Uromyces geraniigeranium rusthypophyllouspycnium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniumsliveleaf hypophyllous pycnium parasitises live leaf
leaf (live) live leaf is parasitised by hypophyllous aecium Uromyces geranii Geranium Rust Pucciniales: Pucciniaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Uromyces geranii/Uromyces geraniigeranium rusthypophyllousaecium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniumsliveleaf hypophyllous aecium parasitises live leaf
leaf (live) live leaf is parasitised by hypophyllous uredium Uromyces geranii Geranium Rust Pucciniales: Pucciniaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Uromyces geranii/Uromyces geraniigeranium rusthypophyllousuredium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniumsliveleaf hypophyllous uredium parasitises live leaf
leaf (live) live leaf is parasitised by hypophyllous telium Uromyces geranii Geranium Rust Pucciniales: Pucciniaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Uromyces geranii/Uromyces geraniigeranium rusthypophylloustelium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniumsliveleaf hypophyllous telium parasitises live leaf
leaves (terminal) leaves (terminal) is galled by Restricted Aceria geranii a gall mite Trombidiformes: Eriophyidae Provisional Keys to British Plant Galls, Stubbs, F.B. (Editor), 1986
/Animalia/Arthropoda/Arachnida/Trombidiformes/Eriophyidae/Aceria geranii/Aceria geraniia gall mite Foodplant / gall /Plantae/Tracheophyta/Magnoliopsida/Geraniales/Geraniaceae/Geranium/Geraniumtrue geraniumsleaves (terminal)Sole causes gall of leaves (terminal)

Author & YearTitleSource
Benson, R.B., 1952Hymenoptera: 2. Symphyta. Section (b)Handbooks for the Identification of British Insects , Vol VI, Part 2(b), 137pp, The Royal Entomological Society of London
Buczacki, S. & Harris, K., 1998Pests, Diseases & Disorders of Garden PlantsCollins Photoguide, 2nd edition edition, Collins
Bullock, J.A., 1992Host Plants of British Beetles: A List of Recorded Associations11a, 24pp, Amateur Entomologists’ Society
Dennis, R.W.G., 1995Fungi of the South East England383pp, Royal Botanic Gardens, Kew
Ellis, M.B. & J.P., 1997Microfungi on Land Plants: An Identification Handbook2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd
McPherson, J.M., Bradbury, J.F. & Preece, T.F., 1998Xanthomonas pelargonii (Brown) Starr & BurkholderI.M.I. Descriptions of Pathogenic Fungi and Bacteria CMI Descriptions of Pathenogenic Fungi and Bacteria Sheet 560.
Morris, M.G., 2002True Weevils (Part I): Family Curculionidae, subfamilies Raymondionyminae to SmicronychinaeHandbooks for the Identification of British Insects, Vol 5, Part 17b, 149pp, The Royal Entomological Society of London
Southwood, T.R.E. & Leston, D., 1959Land and Water Bugs of the British IslesWayside & Woodland Series, 1959 edition, 436pp, Frederick Warne & Co. Ltd.
Spencer, K.A., 1972Diptera: AgromyzidaeHandbooks for the Identification of British Insects , Vol X. Part 5(g), 136pp, The Royal Entomological Society of London
Stubbs, F.B. (Editor), 1986Provisional Keys to British Plant Galls95pp, British Plant Gall Society (BPGS)

Geranium (true geraniums) may also be included in 'fed on by' relations listed under the following higher taxa:

Subtaxon Rank Featured
subtaxa
No of
interactions
No of
references
Species 1 trophisms
Species 2 trophisms
Species 12 trophisms
Species 1 trophisms
Species 1 trophisms
Species 1 trophisms
Species 16 trophisms
Species 1 trophisms
Species 14 trophisms
Species 1 references
Species 10 trophisms
Species 9 trophisms 1 references
Species 12 trophisms
Species 7 trophisms
Species 10 trophisms
Species 4 trophisms
Species 16 trophisms
Taxonomic hierarchy:
GenusGeranium (true geraniums)
FamilyGERANIACEAE (geraniums and storksbills)
OrderGERANIALES (geraniums and storksbills)
SubclassEU-DICOTS (dicotyledonous flowering plants)
ClassMAGNOLIOPSIDA (flowering plants)
PhylumTRACHEOPHYTA (vascular plants)
KingdomPLANTAE (plants)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
NBNNBN (data.nbn.org.uk) has a distribution map for Geranium (true geraniums)

Identification Works

Handling & MagnificationAuthorYearTitleSource
Anon. Geranium Yeo, P.F. Acaena, taxa with spherical heads, Plant Crib 2012
Clement, E.J. 2005 Vegetative identification of small Geranium species BSBI News No. 99: 22-28.

Geranium (true geraniums) may also be included in identification literature listed under the following higher taxa:

Literature listed under the following higher taxa may be relevant to Geranium (true geraniums):

BioImagesBioImages (www.bioimages.org.uk) has 207 images of Geranium (true geraniums)
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