Interactions where Centaurea macrocephala 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').
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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
(live)
live is parasitised by
Golovinomyces cichoracearum a powdery mildew
Erysiphales: Erysiphaceae
An Introduction to British Powdery Mildews
/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Golovinomyces cichoracearum/ Golovinomyces cichoracearum a powdery mildew Foodplant / parasite UK and/or Eire
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Centaurea macrocephala/ Centaurea macrocephala giant knapweed live parasitises live
leaf (live)
live leaf is spotted by hypophyllous colony of Ramularia hyphomycetous anamorph
Ramularia centaureae-scabiosae (An Anamorphic Fungus)
Capnodiales: Mycosphaerellaceae
Monograph of Cercosporella, Ramularia and Allied Genera - Vol II , Braun, U., 1998
/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia centaureae-scabiosae/ Ramularia centaureae-scabiosae (an anamorphic fungus) hypophyllous colony Ramularia hyphomycetous anamorph
Foodplant / spot causer Foreign
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Centaurea macrocephala/ Centaurea macrocephala giant knapweed live leaf hypophyllous colony of Ramularia hyphomycetous anamorph causes spots on live leaf
leaf (live)
live leaf is spotted by usually hypophyllous colony of Ramularia hyphomycetous anamorph
Ramularia triboutiana an anamorphic fungus
Capnodiales: Mycosphaerellaceae
Monograph of Cercosporella, Ramularia and Allied Genera - Vol II , Braun, U., 1998
/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia triboutiana/ Ramularia triboutiana an anamorphic fungus usually hypophyllous colony Ramularia hyphomycetous anamorph
Foodplant / spot causer Foreign
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Centaurea macrocephala/ Centaurea macrocephala giant knapweed live leaf usually hypophyllous colony of Ramularia hyphomycetous anamorph causes spots on live leaf
NBN (data.nbn.org.uk)