Iris pseudacorus L.
(Yellow Iris, Yellow Flag)

Interactions where Iris pseudacorus 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
is decayed by fruitbody Psathyrella typhae a brittlestem Agaricales: Psathyrellaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Psathyrellaceae/Psathyrella typhae/Psathyrella typhaea brittlestemfruitbody Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flag fruitbody is saprobic on
(dead, decaying) dead, decaying debris is decayed by fruitbody UK/Ireland Typhula trifolii a minute club fungus Agaricales: Typhulaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Typhulaceae/Typhula trifolii/Typhula trifoliia minute club fungusfruitbody Foodplant / saprobeUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdead, decayingdebris fruitbody is saprobic on dead, decaying debris
(live) live is foodplant of larva Mononychus punctumalbum Iris Weevil Coleoptera: Curculionidae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
/Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Mononychus punctumalbum/Mononychus punctumalbumiris weevillarva Foodplant / feeds on /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flaglive larva feeds on live
flower flower may have adult Plateumaris sericea a reed beetle Coleoptera: Chrysomelidae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Plateumaris sericea/Plateumaris sericeaa reed beetleadult Plant / resting place / on /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagflower (1-)6(-12)adult may be found on flower
flower flower may have adult Plateumaris sericea a reed beetle Coleoptera: Chrysomelidae Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007
/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Plateumaris sericea/Plateumaris sericeaa reed beetleadult Plant / resting place / on /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagflower (1-)6(-12)adult may be found on flower
leaf (esp. tip) (fading) fading leaf (esp. tip) is spotted by epiphyllous, very minute pycnidium of Ascochyta coelomycetous anamorph UK/Ireland Ascochyta pseudacori a coelomycete Pleosporales British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935
/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Ascochyta pseudacori/Ascochyta pseudacoria coelomyceteepiphyllous, very minutepycnidiumAscochyta coelomycetous anamorph Foodplant / spot causerUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagfadingleaf (esp. tip) (8)epiphyllous, very minute pycnidium of Ascochyta coelomycetous anamorph causes spots on fading leaf (esp. tip)
leaf (especially end) (fading) fading leaf (especially end) is spotted by widely scattered pycnidium of Phoma coelomycetous anamorph Phyllosticta pseudacori a coelomycete Botryosphaeriales: Phyllostictaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935
/Fungi/Ascomycota/Dothideomycetes/Botryosphaeriales/Phyllostictaceae/Phyllosticta pseudacori/Phyllosticta pseudacoria coelomycetewidely scatteredpycnidiumPhoma coelomycetous anamorph Foodplant / spot causer /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagfadingleaf (especially end) (4,8-9)widely scattered pycnidium of Phoma coelomycetous anamorph causes spots on fading leaf (especially end)
leaf (especially end) (fading) fading leaf (especially end) is spotted by effuse or punctiform colony of Cladosporium dematiaceous anamorph Davidiella macrospora Iris Leaf Spot - causative organism Capnodiales: Davidiellaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Davidiellaceae/Davidiella macrospora/Davidiella macrosporairis leaf spot (causative organism)effuse or punctiformcolonyCladosporium dematiaceous anamorph Foodplant / spot causer /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagfadingleaf (especially end) effuse or punctiform colony of Cladosporium dematiaceous anamorph causes spots on fading leaf (especially end)
leaf (especially end) (live) live leaf (especially end) is spotted by effuse or punctiform colony of Cladosporium dematiaceous anamorph Davidiella macrospora Iris Leaf Spot - causative organism Capnodiales: Davidiellaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Davidiellaceae/Davidiella macrospora/Davidiella macrosporairis leaf spot (causative organism)effuse or punctiformcolonyCladosporium dematiaceous anamorph Foodplant / spot causer /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagliveleaf (especially end) effuse or punctiform colony of Cladosporium dematiaceous anamorph causes spots on live leaf (especially end)
leaf (upper surface) (narrow, longitudinal strips eaten between leaf veins) narrow, longitudinal strips eaten between leaf veins leaf (upper surface) is grazed by adult Restricted Aphthona nonstriata Flag Iris Flea Beetle Coleoptera: Chrysomelidae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007
/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Aphthona nonstriata/Aphthona nonstriataflag iris flea beetleadult Foodplant / open feeder /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagnarrow, longitudinal strips eaten between leaf veinsleaf (upper surface)Sole (late 7-late 9, late 3-early 7)adult grazes on narrow, longitudinal strips eaten between leaf veins leaf (upper surface)
leaf edge (live) live leaf edge is grazed by larva Major Rhadinoceraea micans Iris Sawfly Hymenoptera: Tenthredinidae Hymenoptera: 2. Symphyta. Section (b), Benson, R.B., 1952
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
/Animalia/Arthropoda/Insecta/Hymenoptera/Tenthredinidae/Rhadinoceraea micans/Rhadinoceraea micansiris sawflylarva Foodplant / open feeder /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagliveleaf edgeMajor larva grazes on live leaf edge
leaf funnel (live) live leaf funnel may have female micropter Iridothrips iridis a thrips Thysanoptera: Thripidae Thysanoptera, Mound L.A., Morison, G.D., Pitkin, B.R. & Palmer, J.M., 1976
/Animalia/Arthropoda/Insecta/Thysanoptera/Thripidae/Iridothrips iridis/Iridothrips iridisa thripsfemale micropter Plant / resting place / on /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagliveleaf funnel (5-8)female micropter may be found on live leaf funnel
leaf funnel (live) live leaf funnel may have female macropter Iridothrips iridis a thrips Thysanoptera: Thripidae Thysanoptera, Mound L.A., Morison, G.D., Pitkin, B.R. & Palmer, J.M., 1976
/Animalia/Arthropoda/Insecta/Thysanoptera/Thripidae/Iridothrips iridis/Iridothrips iridisa thripsfemale macropter Plant / resting place / on /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagliveleaf funnel (7)female macropter may be found on live leaf funnel
leaf funnel (live) live leaf funnel may have larva Iridothrips iridis a thrips Thysanoptera: Thripidae Thysanoptera, Mound L.A., Morison, G.D., Pitkin, B.R. & Palmer, J.M., 1976
/Animalia/Arthropoda/Insecta/Thysanoptera/Thripidae/Iridothrips iridis/Iridothrips iridisa thripslarva Plant / resting place / on /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagliveleaf funnel (6-8)larva may be found on live leaf funnel
leaf or stem? (dead) dead leaf or stem? is decayed by immersed perithecium Ceriophora palustris a pyrenomycete Xylariales: Amphisphaeriaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Sordariomycetes/Xylariales/Amphisphaeriaceae/Ceriophora palustris/Ceriophora palustrisa pyrenomyceteimmersedperithecium Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadleaf or stem? (3-8)immersed perithecium is saprobic on dead leaf or stem?
leaf or stem? (dead) dead leaf or stem? is decayed by subclypeate perithecium Anthostomella limitata a pyrenomycete Xylariales: Xylariaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Sordariomycetes/Xylariales/Xylariaceae/Anthostomella limitata/Anthostomella limitataa pyrenomycetesubclypeateperithecium Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadleaf or stem? (4-12)subclypeate perithecium is saprobic on dead leaf or stem?
leaf-mine leaf-mine may house puparium UK/IrelandRestricted Cerodontha iraeos an iris leaf-miner Diptera: Agromyzidae Diptera: Agromyzidae, Spencer, K.A., 1972
/Animalia/Arthropoda/Insecta/Diptera/Agromyzidae/Cerodontha iraeos/Cerodontha iraeosan iris leaf-minerpuparium Plant / resting place / withinUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagleaf-mineSole puparium may be found in leaf-mine
leaf leaf is mined by larva Restricted Aphthona nonstriata Flag Iris Flea Beetle Coleoptera: Chrysomelidae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007
A Provisional Atlas of The Leaf Miners of Warwickshire, with notes on others occurring in the Midlands, Robbins, R., 1990
/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Aphthona nonstriata/Aphthona nonstriataflag iris flea beetlelarva Foodplant / miner /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagleafSole (late 5-)larva mines leaf
leaf leaf is mined by larva UK/IrelandRestricted Cerodontha iraeos an iris leaf-miner Diptera: Agromyzidae A Provisional Atlas of The Leaf Miners of Warwickshire, with notes on others occurring in the Midlands, Robbins, R., 1990
Diptera: Agromyzidae, Spencer, K.A., 1972
/Animalia/Arthropoda/Insecta/Diptera/Agromyzidae/Cerodontha iraeos/Cerodontha iraeosan iris leaf-minerlarva Foodplant / minerUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagleafSole (early summer and autumn)larva mines leaf
leaf (1-year-old, dead) 1-year-old, dead leaf is decayed by apothecium UK/Ireland Belonium nigromaculatum a discomycete Helotiales: Dermateaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
New and interesting microfungi from the 1978 Exeter foray, Hawksworth, D.L. & Minter. D.W., 1980
/Fungi/Ascomycota/Leotiomycetes/Helotiales/Dermateaceae/Belonium nigromaculatum/Belonium nigromaculatuma discomyceteapothecium Foodplant / saprobeUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flag1-year-old, deadleaf (6-7)apothecium is saprobic on 1-year-old, dead leaf
leaf (dead, decayed) dead, decayed leaf is decayed by fruitbody Rare Sistotrema diademiferum a basidiomycete fungus Cantharellales: Hydnaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
/Fungi/Basidiomycota/Agaricomycetes/Cantharellales/Hydnaceae/Sistotrema diademiferum/Sistotrema diademiferuma basidiomycete fungusfruitbody Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdead, decayedleafRare fruitbody is saprobic on dead, decayed leaf
leaf (dead, fibrous) dead, fibrous leaf is decayed by subepidermal, becoming erumpent perithecium Nectriella dacrymycella an ascomycete Hypocreales: Bionectriaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Bionectriaceae/Nectriella dacrymycella/Nectriella dacrymycellaan ascomycetesubepidermal, becoming erumpentperithecium Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdead, fibrousleaf (7-12)subepidermal, becoming erumpent perithecium is saprobic on dead, fibrous leaf
leaf (dead) dead leaf may be infected and damaged by stroma Ectostroma iridis an ascomycete Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Ectostroma iridis/Ectostroma iridisan ascomycetestroma Foodplant / pathogen /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadleaf (6-8)stroma infects and damages dead leaf
leaf (dead) dead leaf is decayed by scattered, immersed, amphigenous pycnidium of Neottiospora coelomycetous anamorph UK/Ireland Neottiospora caricina a coelomycete Fungi of the South East England, Dennis, R.W.G., 1995
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Neottiospora caricina/Neottiospora caricinaa coelomycetescattered, immersed, amphigenouspycnidiumNeottiospora coelomycetous anamorph Foodplant / saprobeUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadleaf (3-8)scattered, immersed, amphigenous pycnidium of Neottiospora coelomycetous anamorph is saprobic on dead leaf
leaf (dead) dead leaf is decayed by sessile sporodochium of Myrothecium dematiaceous anamorph Myrothecium carmichaelii a dematiaceous anamorphic fungus Hypocreales Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Myrothecium carmichaelii/Myrothecium carmichaeliia dematiaceous anamorphic fungussessilesporodochiumMyrothecium dematiaceous anamorph Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadleaf sessile sporodochium of Myrothecium dematiaceous anamorph is saprobic on dead leaf
leaf (dead) dead leaf is decayed by sporodochium of Volutella anamorph Volutella arundinis an anamorphic fungus Hypocreales: Nectriaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Nectriaceae/Volutella arundinis/Volutella arundinisan anamorphic fungussporodochiumVolutella anamorph Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadleaf sporodochium of Volutella anamorph is saprobic on dead leaf
leaf (dead) dead leaf is decayed by sporodochium of Volutella anamorph Volutella melaloma an anamorphic fungus Hypocreales: Nectriaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Nectriaceae/Volutella melaloma/Volutella melalomaan anamorphic fungussporodochiumVolutella anamorph Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadleaf sporodochium of Volutella anamorph is saprobic on dead leaf
leaf (dead) dead leaf is decayed by fruitbody Phlebiella fibrillosa a resupinate fungus Polyporales: Xenasmataceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Xenasmataceae/Phlebiella fibrillosa/Phlebiella fibrillosaa resupinate fungusfruitbody Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadleaf fruitbody is saprobic on dead leaf
leaf (dry, dead) dry, dead leaf is decayed by superficial perithecium Niesslia exosporioides a pyrenomycete Hypocreales: Niessliaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Niessliaceae/Niesslia exosporioides/Niesslia exosporioidesa pyrenomycetesuperficialperithecium Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdry, deadleaf (4-8)superficial perithecium is saprobic on dry, dead leaf
leaf (live, patchily brown) live, patchily brown leaf may be infected and damaged by amphigenous, immersed pseudothecium Davidiella macrospora Iris Leaf Spot - causative organism Capnodiales: Davidiellaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Davidiellaceae/Davidiella macrospora/Davidiella macrosporairis leaf spot (causative organism)amphigenous, immersedpseudothecium Foodplant / pathogen /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flaglive, patchily brownleaf (7-10)amphigenous, immersed pseudothecium infects and damages live, patchily brown leaf
leaf (live) live leaf is mined by larva (at first) UK/Ireland Helotropha leucostigma Crescent Lepidoptera: Noctuidae A Provisional Atlas of The Leaf Miners of Warwickshire, with notes on others occurring in the Midlands, Robbins, R., 1990
/Animalia/Arthropoda/Insecta/Lepidoptera/Noctuidae/Helotropha leucostigma/Helotropha leucostigmacrescentlarva (at first) Foodplant / minerUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagliveleaf larva (at first) mines live leaf
leaf (live) live leaf is mined by caterpillar (early) Orthotelia sparganella Reed Smudge Lepidoptera: Glyphipterigidae A Provisional Atlas of The Leaf Miners of Warwickshire, with notes on others occurring in the Midlands, Robbins, R., 1990
/Animalia/Arthropoda/Insecta/Lepidoptera/Glyphipterigidae/Orthotelia sparganella/Orthotelia sparganellareed smudgecaterpillar (early) Foodplant / miner /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagliveleaf (spring)caterpillar (early) mines live leaf
leaf (live) live leaf is grazed by caterpillar (later) Orthotelia sparganella Reed Smudge Lepidoptera: Glyphipterigidae A Provisional Atlas of The Leaf Miners of Warwickshire, with notes on others occurring in the Midlands, Robbins, R., 1990
/Animalia/Arthropoda/Insecta/Lepidoptera/Glyphipterigidae/Orthotelia sparganella/Orthotelia sparganellareed smudgecaterpillar (later) Foodplant / open feeder /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagliveleaf (spring+)caterpillar (later) grazes on live leaf
leaf (live) live leaf is spotted by amphigenous, greyish white, punctiform to subeffuse caespituli of Ramularia hyphomycetous anamorph Foreign Ramularia rollandii an anamorphic fungus Capnodiales: Mycosphaerellaceae Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998
/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia rollandii/Ramularia rollandiian anamorphic fungusamphigenous, greyish white, punctiform to subeffusecaespituliRamularia hyphomycetous anamorph Foodplant / spot causerForeign /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagliveleaf amphigenous, greyish white, punctiform to subeffuse caespituli of Ramularia hyphomycetous anamorph causes spots on live leaf
leaf (live) live leaf may be infected and damaged by stroma Ectostroma iridis an ascomycete Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Ectostroma iridis/Ectostroma iridisan ascomycetestroma Foodplant / pathogen /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagliveleaf (6-8)stroma infects and damages live leaf
leaf (live) live leaf is parasitised by hypophyllous telium Questionable Puccinia iridis Iris Rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia iridis/Puccinia iridisiris rusthypophylloustelium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flag?liveleaf hypophyllous telium parasitises live leaf
leaf (live) live leaf is parasitised by amphigenous uredium Questionable Puccinia iridis Iris Rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia iridis/Puccinia iridisiris rustamphigenousuredium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flag?liveleaf amphigenous uredium parasitises live leaf
pollen pollen is foodplant of adult Questionable Donacia thalassina a reed beetle Coleoptera: Chrysomelidae Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007
/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Donacia thalassina/Donacia thalassinaa reed beetleadult Foodplant / feeds on /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flag?pollen (5)adult feeds on pollen
root root is foodplant of larva Questionable Plateumaris sericea a reed beetle Coleoptera: Chrysomelidae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007
/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Plateumaris sericea/Plateumaris sericeaa reed beetlelarva Foodplant / feeds on /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flag?root larva feeds on root
root root may house cocoon Plateumaris sericea a reed beetle Coleoptera: Chrysomelidae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007
/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Plateumaris sericea/Plateumaris sericeaa reed beetlecocoon Plant / resting place / among /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagroot cocoon may be found among root
stem (dead, fibrous) dead, fibrous stem is decayed by subepidermal, becoming erumpent perithecium Nectriella dacrymycella an ascomycete Hypocreales: Bionectriaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Bionectriaceae/Nectriella dacrymycella/Nectriella dacrymycellaan ascomycetesubepidermal, becoming erumpentperithecium Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdead, fibrousstem (7-12)subepidermal, becoming erumpent perithecium is saprobic on dead, fibrous stem
stem (dead) dead stem is decayed by apothecium Belonopsis iridis a discomycete Helotiales: Dermateaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Leotiomycetes/Helotiales/Dermateaceae/Belonopsis iridis/Belonopsis iridisa discomyceteapothecium Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadstem (6)apothecium is saprobic on dead stem
stem (dead) dead stem is decayed by apothecium Hymenoscyphus repandus a discomycete Helotiales: Helotiaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Leotiomycetes/Helotiales/Helotiaceae/Hymenoscyphus repandus/Hymenoscyphus repandusa discomyceteapothecium Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadstem (5-10)apothecium is saprobic on dead stem
stem (dead) dead stem is decayed by apothecium Orbilia curvatispora a glasscup Orbiliales: Orbiliaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Orbiliomycetes/Orbiliales/Orbiliaceae/Orbilia curvatispora/Orbilia curvatisporaa glasscupapothecium Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadstem (1-12)apothecium is saprobic on dead stem
stem (dead) dead stem is decayed by acervulus of Colletotrichum coelomycetous anamorph Colletotrichum dematium a coelomycete Glomerellaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Sordariomycetes/Glomerellaceae/Colletotrichum dematium/Colletotrichum dematiuma coelomyceteacervulusColletotrichum coelomycetous anamorph Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadstem acervulus of Colletotrichum coelomycetous anamorph is saprobic on dead stem
stem (dead) dead stem is decayed by colony of Stachybotrys dematiaceous anamorph Stachybotrys dichroa a dematiaceous anamorphic fungus Hypocreales Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Stachybotrys dichroa/Stachybotrys dichroaa dematiaceous anamorphic funguscolonyStachybotrys dematiaceous anamorph Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadstem (4-9)colony of Stachybotrys dematiaceous anamorph is saprobic on dead stem
stem (dead) dead stem is decayed by sessile sporodochium of Myrothecium dematiaceous anamorph Myrothecium carmichaelii a dematiaceous anamorphic fungus Hypocreales Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Myrothecium carmichaelii/Myrothecium carmichaeliia dematiaceous anamorphic fungussessilesporodochiumMyrothecium dematiaceous anamorph Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadstem sessile sporodochium of Myrothecium dematiaceous anamorph is saprobic on dead stem
stem (dead) dead stem is decayed by superficial, scattered on in small groups, thinly subiculate perithecium Nectria ellisii a pyrenomycete Hypocreales: Nectriaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Nectriaceae/Nectria ellisii/Nectria ellisiia pyrenomycetesuperficial, scattered on in small groups, thinly subiculateperithecium Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flagdeadstem (5-12)superficial, scattered on in small groups, thinly subiculate perithecium is saprobic on dead stem
stem (live) live stem is mined by larva (later) UK/Ireland Helotropha leucostigma Crescent Lepidoptera: Noctuidae A Provisional Atlas of The Leaf Miners of Warwickshire, with notes on others occurring in the Midlands, Robbins, R., 1990
/Animalia/Arthropoda/Insecta/Lepidoptera/Noctuidae/Helotropha leucostigma/Helotropha leucostigmacrescentlarva (later) Foodplant / minerUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flaglivestem larva (later) mines live stem
stem (live) live stem may contain caterpillar (later) Orthotelia sparganella Reed Smudge Lepidoptera: Glyphipterigidae A Provisional Atlas of The Leaf Miners of Warwickshire, with notes on others occurring in the Midlands, Robbins, R., 1990
/Animalia/Arthropoda/Insecta/Lepidoptera/Glyphipterigidae/Orthotelia sparganella/Orthotelia sparganellareed smudgecaterpillar (later) Foodplant / internal feeder /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Iridaceae/Iris pseudacorus/Iris pseudacorusyellow iris, yellow flaglivestem (spring+)caterpillar (later) feeds within live stem

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
Braun, U., 1998Monograph of Cercosporella, Ramularia and Allied Genera - Vol IIPhytopathogenic Hyphomycetes, 2, 493pp, IHW-Verlag
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
Cox, M.L., 2007Atlas of the Seed and Leaf Beetles of Britain and Ireland336pp, Pisces Publications
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
Grove, W.B., 1935British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidiaVol I, 488pp, Cambridge University Press
Hawksworth, D.L. & Minter. D.W., 1980New and interesting microfungi from the 1978 Exeter forayTBMS Vol 74 (3): 567-577.
Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005Checklist of the British and Irish Basidiomycota517pp, Royal Botanic Gardens, Kew
Mound L.A., Morison, G.D., Pitkin, B.R. & Palmer, J.M., 1976ThysanopteraHandbooks for the Identification of British Insects, Vol 1, part 11, 79pp, The Royal Entomological Society of London
Robbins, R., 1990A Provisional Atlas of The Leaf Miners of Warwickshire, with notes on others occurring in the MidlandsBenchmark Atlas Series, 1991? edition, 181pp, Warwickshire Museum Service
Spencer, K.A., 1972Diptera: AgromyzidaeHandbooks for the Identification of British Insects , Vol X. Part 5(g), 136pp, The Royal Entomological Society of London

Iris pseudacorus (Yellow Iris, Yellow Flag) may also be included in 'fed on by' relations listed under the following higher taxa:

Taxonomic hierarchy:
SpeciesIris pseudacorus (Yellow Iris, Yellow Flag)
SubgenusIris (Limniris) (beardless rhizomatous irises)
GenusIris (irises)
FamilyIRIDACEAE (corms)
OrderASPARAGALES (orchids, daffodils, onions & irises)
ClassMAGNOLIOPSIDA (flowering plants)
PhylumTRACHEOPHYTA (vascular plants)
KingdomPLANTAE (plants)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
NBNNBN (data.nbn.org.uk) has a distribution map for Iris pseudacorus (Yellow Iris, Yellow Flag)

Identification Works

Handling & MagnificationAuthorYearTitleSource
() Lansdown R.V. & Pankhurst T.J. Field Guide to the Identification of Difficult Aquatic Plants of the New Forest

Iris pseudacorus (Yellow Iris, Yellow Flag) may also be included in identification literature listed under the following higher taxa:

Literature listed under the following higher taxa may be relevant to Iris pseudacorus (Yellow Iris, Yellow Flag):

BioImagesBioImages (www.bioimages.org.uk) has 8 images of Iris pseudacorus (Yellow Iris, Yellow Flag)
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