Amaranthus deflexus L.
(Perennial Pigweed)

Taxonomic hierarchy:
SpeciesAmaranthus deflexus (Perennial Pigweed)
GenusAmaranthus (amaranths, pigweeds)
FamilyAMARANTHACEAE (goosefoots, oraches, glassworts, amaranths & pigweeds)
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
Easy, G.M.S. 1979 Amaranthus species in Cambridgeshire: a preliminary examination BSBI News Vol 22: 17-20.

Amaranthus deflexus (Perennial Pigweed) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Amaranthus deflexus (Perennial Pigweed)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Amaranthus deflexus (Perennial Pigweed)
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