Polygonum oxyspermum
Ray's Knotgrass
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Polygonaceae
- WCVP Morphological Data: Recorded natively as a annual or biennial.
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Polygonum oxyspermum (commonly known as Ray's Knotgrass) is an annual or biennial within the Polygonaceae family. It originates in Europe. Within its native range, this species is most commonly linked to temperate conditions.
Macro Climate
Temperate
Plant Type
Biennial
Native Range
Continents (WGSRPD)
EUROPE
Regions (WGSRPD)
Eastern Europe, Middle Europe, Northern Europe
Botanical Countries (WGSRPD L3)
Baltic States, Denmark, Finland, Germany, Great Britain, Norway, Poland, Sweden
Introduced Range
Plants flagged as 'Introduced' have been transported outside their native historical range by human activity. While many are common ornamentals, some may become naturalized or invasive in local environments. Local ecological guidelines require verification prior to planting.
Botanical Countries (Non-Native)
Nova Scotia