Photos of European Plants according to the botanical System:
Polygonaceae / Knotweed Family (Buckwheat Family)

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Preview pict. Species, Subspecies, or Variety  Synonym(s) Photos from
Polygonum / Knotgrass (5 Taxa)
Polygonum maritimum / Sea Knotgrass Cor F GR
Polygonum bellardii / Narrowleaf Knotgrass, Red Knotgrass ? Polygonum patulum subsp. kitaibelianum,
Polygonum kitaibelianum
Polygonum aviculare / Common Knotgrass, English Knotgrass D HR
Polygonum rurivagum / Cornfield Knotgrass D
Polygonum arenastrum / Equal-Leaved Knotgrass Polygonum aequale D
Persicaria / Water-Pepper (12 Taxa)
Bistorta / Bistort (2 Taxa)
Aconogonon / Knotweed (2 Taxa)
Fallopia / Bindweed (6 Taxa)
Fagopyrum / Buckwheat (2 Taxa)
Oxyria digyna / Alpine Mountain Sorrel A S
Rheum rhabarbarum / Rhubarb D S
Rumex / Dock,Sorrel (31 Taxa)
Emex spinosa / Spiny Emex, Lesser Jack D

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