Polygonaceae
Polygonum boreale
- Family
- Polygonaceae
- Genus
- Polygonum
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Common names
By language (3)
- Estonian
- Meri-linnurohi
- Finnish
- Pohjanpihatatar
- Welsh
- Canclwm y Gogledd
Synonyms
- Polygonum arenastrum subsp. boreale (Lange) Á.Löve
- Polygonum aviculare subsp. boreale (Lange) Karlsson
- Polygonum aviculare var. boreale Lange
- Polygonum heterophyllum subsp. boreale (Lange) Á.Löve & D.Löve
Photos
FlowerPhoto: Pennyinsole, CC0, from iNaturalist 
Photo: Pennyinsole, CC0, from iNaturalist
More in Polygonum
- Yard knotweedPolygonum avicularePolygonaceae
- Oval-leaf knotweedPolygonum arenastrumPolygonaceae
- Polygonum maritimumPolygonaceae
- Asiatic tearthumbPolygonum perfoliatumPolygonaceae
- Bellard's smartweedPolygonum patulumPolygonaceae
- European knotweedPolygonum arenariumPolygonaceae
- Narrowleaf knotweedPolygonum bellardiiPolygonaceae
- Polygonum cognatumPolygonaceae
- Horse-tail knotweedPolygonum equisetiformePolygonaceae
- KnotweedPolygonum oxyspermumPolygonaceae
- Douglas' knotweedPolygonum douglasiiPolygonaceae
- Erect knotweedPolygonum erectumPolygonaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0). About our plant data.