EntityQ3744331· pop 11· linked from 11 articlesPolygonum oxyspermumSign in to savespecies of plantSpeciesRay's knotgrassSPECIESKingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderCaryophyllalesFamilyPolygonaceaeHabitatmarineNative toBaltic States, Denmark, Finland, Germany, Great Britain, Norway, Swedenvia GBIF · Kew POWOConnectionsItalyCountryplantEntityCategoriesFlora of EuropePlants described in 1824PolygonumTaxonbars with 20–24 taxon IDs