Plant Parasites of Europe

leafminers, galls and fungi

Persicaria amphibia

Alternative names

English vernacular name

  • amphibious bistort

Dutch vernacular name

  • veenwortel

Synonym

  • Polygonum amphibium
  • Polygonum amphibium var. terrestre

Determination table

organ mode stage main group group family parasite P G S
leaffreeInsectaColeopteraChrysomelidaeAltica tamaricis78
leafgallInsectaHemiptera SternorrhynchaAphalaridaeAphalara borealis12
leafgallInsectaHemiptera SternorrhynchaAphalaridaeAphalara freji 15
leafgallInsectaHemiptera SternorrhynchaAphalaridaeAphalara maculipennis 13
stemfreeInsectaHemiptera SternorrhynchaAphididaeAphis craccivora 161250
leaffreesummer gen.InsectaHemiptera SternorrhynchaAphididaeAphis nasturtii 6788
leafleaf spotFungiAscomycotaDidymellaceaeAscochyta volubilis22
leafscaleInsectaHemiptera SternorrhynchaAleyrodidaeBemisia tabaci 128191
rootgallInsectaColeopteraCurculionidaeBothynoderes affinis1116
leafminerInsectaLepidopteraGracillariidaeCalybites phasianipennella 715
leaffreeInsectaLepidopteraNoctuidaeCeramica pisi2123
rootborerInsectaColeopteraChrysomelidaeChaetocnema concinna 615
leafminerInsectaLepidopteraCrambidaeElophila nymphaeata 1419
stemdownFungiAscomycotaErysiphaceaeErysiphe polygoni 738
leaffreeInsectaColeopteraChrysomelidaeGalerucella aquatica22
leaffreeInsectaColeopteraChrysomelidaeGastrophysa viridula714
leafdownFungiAscomycotaErysiphaceaeLeveillula taurica 144215
stemsaprotrophicFungiAscomycotaMollisiaceaeMollisia polygoni26
stemsaprotrophicFungiAscomycotaMollisiaceaeMollisia polygoni26
stemborerInsectaLepidopteraGelechiidaeMonochroa niphognatha11
freelarvaInsectaColeopteraCurculionidaeNeophytobius muricatus33
freelarvaInsectaColeopteraCurculionidaeNeophytobius quadrinodosus33
leafminerInsectaDipteraAnthomyiidaePegomya bicolor 412
leaffreelarvaInsectaColeopteraCurculionidaePelenomus quadricorniger13
stemgallInsectaColeopteraCurculionidaePelenomus velaris12
leaffreeInsectaHemiptera CicadomorphaAphrophoridaePhilaenus spumarius5355
stemsaprotrophicFungiAscomycotaGnomoniaceaePlagiostoma devexum36
leafpustuleuredinia teliaFungiBasidiomycotaPucciniaceaePuccinia polygoni-amphibii 529
leafleaf spotFungiAscomycotaMycosphaerellaceaeRamularia rufomaculans23
stemborerlarvaInsectaColeopteraCurculionidaeRhinoncus albicinctus11
rootborerlarvaInsectaColeopteraCurculionidaeRhinoncus inconspectus12
stemborerlarvaInsectaColeopteraCurculionidaeRhinoncus perpendicularis38
leafgallInsectaDipteraCecidomyiidaeWachtliella persicariae 48

Organ

the part of the plant that most conspicuously is hit by the parasite

bud: both flower buds and leaf buds
flower: also inflorescence
leaf: also needle, phyllodium, petiole
leaf bud: also unfolding young leaf
root: also root stock, runners
root collar: also the lowest part of the stem
stem: also culm, the lower part of the peduncle, in grasses also leaf sheath
systemic: the entire above-ground plant

PARASITIC MODE

borer: larva living internally, almost no outwards signs
canker: restricted area of dead plant tissue
down: 0.5-2 mm high fungal down
film: very thin cover of fungal tissue
free: free-living, vagrant
gall: swelling and/or malformation
hidden: concealed by dense webbing, leaf folds etc.
leaf spot: discoloured, often ± necrotic, generally not galled, sign of a fungus infection
miner > borer: larve initially makes a mine, lives as a borer later
pustule: plug of fungal tissue, generally brown-black and < 2 mm
saprotrophic: developing on recently dead, still identifiable, plant tissue
scale: scale insect
stripe: longitudinal line of fungal tissue in a grass leaf

COLUMNS

P: with image
G: number of genera on this website
S: number of species on this website

FILTER AND SORT TABLE

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IMPORTANT

The host plant spectre of a parasite is rarely known exhaustively; this applies in particular at the species level. It is advisable therefore to check at least also the list of all parasites of this genus.

 

Last modified 9.vii.2026