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
An “Introduced” distribution indicates that the plant is recorded outside its native range in that region as a result of deliberate or accidental human introduction. Introduced records may include casual, naturalized or invasive populations, but do not include plants that are only cultivated or planted without self-sustaining populations.
Botanical Countries (Non-Native)
Nova Scotia