Polygonum boreale
Northern Knotgrass, Northern Knotweed
Also known as: Polygonum arenastrum subsp. boreale (Lange) Á.Löve +4 more
- Polygonum arenastrum subsp. boreale (Lange) Á.Löve
- Polygonum aviculare subsp. boreale (Lange) Karlsson
- Polygonum aviculare subsp. boreale Lange
- Polygonum aviculare var. boreale Lange
- Polygonum heterophyllum subsp. boreale (Lange) Á.Löve & D.Löve
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Polygonaceae
- WCVP Morphological Data: Recorded natively as a annual.
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Polygonum boreale (commonly known as Northern Knotgrass or Northern Knotweed) is an annual within the Polygonaceae family. It is found natively in Temperate Asia, Europe, and North America. In its natural range, this species typically occurs in temperate conditions.
Macro Climate
Temperate
Plant Type
Annual
Native Range
Continents (WGSRPD)
ASIA-TEMPERATE, EUROPE, NORTHERN AMERICA
Regions (WGSRPD)
Eastern Canada, Northern Europe, Russian Far East, Siberia, Subarctic America
Botanical Countries (WGSRPD L3)
Finland, Føroyar, Great Britain, Greenland, Iceland, Kamchatka, Khabarovsk, Kuril Is., Labrador, Magadan, Norway, Primorye, Sakhalin, Sweden, West Siberia
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)
Svalbard