POLYGONACEAE
(docks and knotgrasses)

Subtaxon Example images Rank Featured
subtaxa		 No of
images		 No of
ID refs
Fallopia
a genus of knotweeds
(Click to open)
 		Genus 6 subtaxa 33 images 6 ident. refs
Persicaria
knotweeds
Leaves (Click to open)
 		Genus 6 subtaxa 84 images 1 ident. refs
Polygonum
knotgrass
(Click to open)
 		Genus 2 subtaxa 36 images
Rheum
rhubarbs
(Click to open)
 		Genus 1 subtaxa 4 images
Rumex
docks
(Click to open)
 		Genus 11 subtaxa 116 images 2 ident. refs
Taxonomic hierarchy:
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)

Identification Works

AuthorYearTitleSource
Akeroyd, J.R. 2014 Docks and Knotweeds of the British Isles (ed 2) BSBI Handbooks, No 3, 258pp, Botanical Society of Britain and Ireland (BSBI)
Lousley, J.E. & Kent, D.H. 1981 *** Docks and Knotweeds of the British Isles (ed 1) ***(Superseded) BSBI Handbooks, No 3, 205pp, Botanical Society of Britain and Ireland (BSBI)

POLYGONACEAE (docks and knotgrasses) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for POLYGONACEAE (docks and knotgrasses)
BioInfoBioInfo (www.bioinfo.org.uk) has 496 host/parasite/foodplant and/or other relationships for POLYGONACEAE (docks and knotgrasses)
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