Polygonum L.
(knotgrass)

Interactions where Polygonum 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 foodplant of larva Rhinoncus perpendicularis a weevil Coleoptera: Curculionidae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
 /Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Rhinoncus perpendicularis/Rhinoncus perpendicularisa weevillarva Foodplant / feeds on /Plantae/Tracheophyta/Magnoliopsida/Caryophyllales/Polygonaceae/Polygonum/Polygonumknotgrass larva feeds on
is foodplant of larva Pelenomus quadrituberculatus a weevil Coleoptera: Curculionidae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
 /Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Pelenomus quadrituberculatus/Pelenomus quadrituberculatusa weevillarva Foodplant / feeds on /Plantae/Tracheophyta/Magnoliopsida/Caryophyllales/Polygonaceae/Polygonum/Polygonumknotgrass larva feeds on
is foodplant of larva Questionable Apion difforme a seed weevil Coleoptera: Apionidae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
Orthocerous Weevils, Morris, M.G., 1990
 /Animalia/Arthropoda/Insecta/Coleoptera/Apionidae/Apion difforme/Apion difformea seed weevillarva Foodplant / feeds on /Plantae/Tracheophyta/Magnoliopsida/Caryophyllales/Polygonaceae/Polygonum/Polygonumknotgrass? larva feeds on
leaf leaf is grazed by larva Chaetocnema concinna Beet Flea Beetle, Mangold Flea Beetle Coleoptera: Chrysomelidae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
 /Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Chaetocnema concinna/Chaetocnema concinnabeet flea beetle, mangold flea beetlelarva Foodplant / open feeder /Plantae/Tracheophyta/Magnoliopsida/Caryophyllales/Polygonaceae/Polygonum/Polygonumknotgrassleaf larva grazes on leaf
leaf leaf is grazed by imago Chaetocnema concinna Beet Flea Beetle, Mangold Flea Beetle Coleoptera: Chrysomelidae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
 /Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Chaetocnema concinna/Chaetocnema concinnabeet flea beetle, mangold flea beetleimago Foodplant / open feeder /Plantae/Tracheophyta/Magnoliopsida/Caryophyllales/Polygonaceae/Polygonum/Polygonumknotgrassleaf imago grazes on leaf
leaf leaf is grazed by Foreign Hypera rumicis a weevil Coleoptera: Curculionidae True Weevils (Part I): Family Curculionidae, subfamilies Raymondionyminae to Smicronychinae, Morris, M.G., 2002
 /Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Hypera rumicis/Hypera rumicisa weevil Foodplant / open feederForeign /Plantae/Tracheophyta/Magnoliopsida/Caryophyllales/Polygonaceae/Polygonum/Polygonumknotgrassleaf grazes on leaf
leaf leaf is grazed by larva Major Ametastegia glabrata a sawfly Hymenoptera: Tenthredinidae Hymenoptera: 2. Symphyta. Section (b), Benson, R.B., 1952
 /Animalia/Arthropoda/Insecta/Hymenoptera/Tenthredinidae/Ametastegia glabrata/Ametastegia glabrataa sawflylarva Foodplant / open feeder /Plantae/Tracheophyta/Magnoliopsida/Caryophyllales/Polygonaceae/Polygonum/PolygonumknotgrassleafMajor larva grazes on leaf
leaf (live, riddled with holes) live, riddled with holes leaf is grazed by larva Gastrophysa polygoni a leaf beetle Coleoptera: Chrysomelidae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
 /Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Gastrophysa polygoni/Gastrophysa polygonia leaf beetlelarva Foodplant / open feeder /Plantae/Tracheophyta/Magnoliopsida/Caryophyllales/Polygonaceae/Polygonum/Polygonumknotgrasslive, riddled with holesleaf (late 5-late 9)larva grazes on live, riddled with holes leaf
stem (dead, lying in water) dead, lying in water stem is decayed by stalked apothecium Questionable Hymenoscyphus scutula a discomycete Helotiales: Helotiaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
 /Fungi/Ascomycota/Leotiomycetes/Helotiales/Helotiaceae/Hymenoscyphus scutula/Hymenoscyphus scutulaa discomycetestalkedapothecium Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Caryophyllales/Polygonaceae/Polygonum/Polygonumknotgrass?dead, lying in waterstem (9-11)stalked apothecium is saprobic on dead, lying in water 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
Bullock, J.A., 1992Host Plants of British Beetles: A List of Recorded Associations11a, 24pp, Amateur Entomologists’ Society
Ellis, M.B. & J.P., 1997Microfungi on Land Plants: An Identification Handbook2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd
Morris, M.G., 1990Orthocerous WeevilsHandbooks for the Identification of British Insects, Vol 5 Part 16, 108pp, The Royal Entomological Society of London
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

Polygonum (knotgrass) 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
Polygonum arenastrum
Equal-leaved Knotgrass
Species 8 trophisms
Polygonum aviculare
Knotgrass
Species 13 trophisms
Polygonum aviculare agg. s.l.
knotgrass [agg.]
Species sensu lato 8 trophisms
Polygonum maritimum
Sea Knotgrass
Species 1 trophisms
Polygonum patulum
Red Knotgrass, Red-knotgrass
Species 1 trophisms
Taxonomic hierarchy:
GenusPolygonum (knotgrass)
FamilyPOLYGONACEAE (docks and knotgrasses)
OrderCARYOPHYLLALES (pinks, goosefoots and docks)
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 Polygonum (knotgrass)

Polygonum (knotgrass) may be included in identification literature listed under the following higher taxa:

General Works

AuthorYearTitleSource

Mycorrhiza

Taylor, A.S. & Alexander, I. 2005 The ectomycorrhizal symbiosis: life in the real world Mycologist Vol 19 (3): 102-112.

Literature listed under the following higher taxa may also be relevant to Polygonum (knotgrass):

BioImagesBioImages (www.bioimages.org.uk) has 36 images of Polygonum (knotgrass)
Creative Commons License
This website is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Licence.

Unless otherwise expressly stated, all original material on the BioInfo website by Malcolm Storey is licensed under the above Creative Commons Licence.

BioInfo - Wildlife Information (UK)