Hypericum maculatum Crantz
(Imperforate St John’s-wort)

Interactions where Hypericum maculatum 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 parasitised by conidial anamorph UK/Ireland Erysiphe hyperici a powdery mildew Erysiphales: Erysiphaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Erysiphe hyperici/Erysiphe hypericia powdery mildewconidial anamorph Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Hypericaceae/Hypericum maculatum/Hypericum maculatumimperforate St John’s-wort conidial anamorph parasitises
is parasitised by cleistothecium UK/Ireland Erysiphe hyperici a powdery mildew Erysiphales: Erysiphaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Erysiphe hyperici/Erysiphe hypericia powdery mildewcleistothecium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Hypericaceae/Hypericum maculatum/Hypericum maculatumimperforate St John’s-wort cleistothecium parasitises
flower flower is grazed by adult Chrysolina hyperici a leaf beetle Coleoptera: Chrysomelidae Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007
 /Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Chrysolina hyperici/Chrysolina hypericia leaf beetleadult Foodplant / open feeder /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Hypericaceae/Hypericum maculatum/Hypericum maculatumimperforate St John’s-wortflower (early 6-2)adult grazes on flower
leaf leaf is grazed by adult Chrysolina hyperici a leaf beetle Coleoptera: Chrysomelidae Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007
 /Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Chrysolina hyperici/Chrysolina hypericia leaf beetleadult Foodplant / open feeder /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Hypericaceae/Hypericum maculatum/Hypericum maculatumimperforate St John’s-wortleaf (early 6-2)adult grazes on leaf
leaf (live) live leaf is spotted by hypophyllous, greyish white, scattered caespituli of Ramularia hyphomycetous anamorph Foreign Ramularia hyperici (An Anamorphic Fungus) Capnodiales: Mycosphaerellaceae Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998
 /Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia hyperici/Ramularia hyperici(an anamorphic fungus)hypophyllous, greyish white, scatteredcaespituliRamularia hyphomycetous anamorph Foodplant / spot causerForeign /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Hypericaceae/Hypericum maculatum/Hypericum maculatumimperforate St John’s-wortliveleaf hypophyllous, greyish white, scattered caespituli of Ramularia hyphomycetous anamorph causes spots on live leaf
leaf (live) live leaf is spotted by hypophyllous, greyish white, scattered caespituli of Ramularia hyphomycetous anamorph Foreign Ramularia minutissima (An Anamorphic Fungus) Capnodiales: Mycosphaerellaceae Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998
 /Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia minutissima/Ramularia minutissima(an anamorphic fungus)hypophyllous, greyish white, scatteredcaespituliRamularia hyphomycetous anamorph Foodplant / spot causerForeign /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Hypericaceae/Hypericum maculatum/Hypericum maculatumimperforate St John’s-wortliveleaf hypophyllous, greyish white, scattered caespituli of Ramularia hyphomycetous anamorph causes spots on live leaf
leaf (live) live leaf is parasitised by hypophyllous, subepidermal telium UK/Ireland Melampsora hypericorum Hypericum Rust, Tutsan Rust Pucciniales: Melampsoraceae British Rust Fungi, Wilson, M., & Henderson, D., 1966
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Melampsoraceae/Melampsora hypericorum/Melampsora hypericorumhypericum rust, tutsan rusthypophyllous, subepidermaltelium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Hypericaceae/Hypericum maculatum/Hypericum maculatumimperforate St John’s-wortliveleaf hypophyllous, subepidermal telium parasitises live leaf
leaf (live) live leaf is parasitised by hypophyllous, caeomoid aecium UK/Ireland Melampsora hypericorum Hypericum Rust, Tutsan Rust Pucciniales: Melampsoraceae British Rust Fungi, Wilson, M., & Henderson, D., 1966
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Melampsoraceae/Melampsora hypericorum/Melampsora hypericorumhypericum rust, tutsan rusthypophyllous, caeomoidaecium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Hypericaceae/Hypericum maculatum/Hypericum maculatumimperforate St John’s-wortliveleaf (5-10)hypophyllous, caeomoid aecium parasitises live leaf
stem (patchily blackened, dead) patchily blackened, dead stem is decayed by subepidermal pseudothecium Keissleriella ocellata an ascomycete Pleosporales: Lentitheciaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
 /Fungi/Ascomycota/Dothideomycetes/Pleosporales/Lentitheciaceae/Keissleriella ocellata/Keissleriella ocellataan ascomycetesubepidermalpseudothecium Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Hypericaceae/Hypericum maculatum/Hypericum maculatumimperforate St John’s-wortpatchily blackened, deadstem subepidermal pseudothecium is saprobic on patchily blackened, dead stem

Author & YearTitleSource
Braun, U., 1998Monograph of Cercosporella, Ramularia and Allied Genera - Vol IIPhytopathogenic Hyphomycetes, 2, 493pp, IHW-Verlag
Cox, M.L., 2007Atlas of the Seed and Leaf Beetles of Britain and Ireland336pp, Pisces Publications
Ellis, M.B. & J.P., 1997Microfungi on Land Plants: An Identification Handbook2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd
Ing, B., 1990An Introduction to British Powdery MildewsMycologist Vol 4 (1) et seq.
Wilson, M., & Henderson, D., 1966British Rust Fungi384pp, Cambridge University Press

Hypericum maculatum (Imperforate St John’s-wort) may also be included in 'fed on by' relations listed under the following higher taxa:

Taxonomic hierarchy:
SpeciesHypericum maculatum (Imperforate St John’s-wort)
GenusHypericum (St John’s worts)
FamilyHYPERICACEAE (St John’s-worts)
OrderMALPIGHIALES (poplars, willows, St John’s worts, spurges and violets)
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 Hypericum maculatum (Imperforate St John’s-wort)

Hypericum maculatum (Imperforate St John’s-wort) may be included in identification literature listed under the following higher taxa:

Literature listed under the following higher taxa may be relevant to Hypericum maculatum (Imperforate St John’s-wort):

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