BioImages: The Virtual Field-Guide (UK)

Polygonum (a genus of knotgrasses)

Records (and photo sets)

Taxon	Summary	Date	Vice-county	Country
Polygonum	Plant	26 May 2008	South-west Yorkshire	England	10

Subtaxa

Rank	Taxon
Species	Polygonum arenastrum Boreau (Equal-leaved Knotgrass)	12	19	6
Aggregate	Polygonum aviculare agg. L.sensu lato (knotgrass [agg.])			14
Species	Polygonum maritimum L. (Sea Knotgrass)	5

Suggested Literature

General Works

Polygonum may also be covered by literature listed under:

Feeding and other inter-species relationships

Associated with Polygonum:

		is foodplant of larva	Apion difforme - a seed weevil (Coleoptera: Apionidae)		Bullock, J.A., 1992
		is foodplant of larva	Phytobius quadrituberculatus - a weevil (Coleoptera: Curculionidae)		Bullock, J.A., 1992
		is foodplant of larva	Rhinoncus perpendicularis - a weevil (Coleoptera: Curculionidae)		Bullock, J.A., 1992
	leaf (live, riddled with holes)	live, riddled with holes leaf is grazed by larva	Gastrophysa polygoni - a leaf beetle (Coleoptera: Chrysomelidae)		Bullock, J.A., 1992
	leaf	leaf is grazed by imago	Chaetocnema concinna - Beet Flea Beetle (Coleoptera: Chrysomelidae)		Bullock, J.A., 1992
	leaf	leaf is grazed by larva	Chaetocnema concinna - Beet Flea Beetle (Coleoptera: Chrysomelidae)		Bullock, J.A., 1992
	leaf	leaf is grazed by	Hypera rumicis - a weevil (Coleoptera: Curculionidae)		Morris, M.G., 2002
	leaf	leaf is grazed by larva	Ametastegia glabrata - a sawfly (Hymenoptera: Tenthredinidae)		Benson, R.B., 1952
	stem (dead, lying in water)	dead, lying in water stem is decayed by stalked apothecium	Hymenoscyphus scutula - a discomycete (Helotiales: Helotiaceae)		Ellis, M.B. & J.P., 1997 [(maybe this should relate to Persicaria?)]

Polygonum may be associated with more taxa listed at higher taxonomic level

References