Sawatch Knotweed (Polygonum sawatchense) wildspecies.ca

May Be At Risk

Present in regions

Migratory species: Unknown

Taxonomic group:

Vascular plants

Learn more about all species of Vascular plants in Canada.

The General Status ranks do not have legal weight. They are meant to identify the species that may be at risk in Canada.

Access other data on this species on the NatureServe Explorer.

Common Names

English common name:

Sawatch Knotweed

French common name:

Renouée des monts Sawatch

Year	English common name	French common name
2005	Sawatch Knotweed
2010	Sawatch Knotweed	Renouée des monts Sawatch
2015	Sawatch Knotweed	Renouée des monts Sawatch
2020	Sawatch Knotweed	Renouée des monts Sawatch

Source: iNaturalist

Scientific Names

Higher Classification:

Superkingdom

EUKARYOTA

Kingdom

PLANTAE

Subkingdom

VIRIDIPLANTAE

Infrakingdom

STREPTOPHYTA

Superphylum

Embryophyta

Phylum

Tracheophyta

Subphylum

Spermatophytina

Superclass

Angiospermae

Class

Magnoliopsida

Superorder

Caryophyllanae

Year	Scientific name	Family	Order
2005	Polygonum sawatchense	Polygonaceae	Polygonales
2010	Polygonum sawatchense	Polygonaceae	Polygonales
2015	Polygonum sawatchense	Polygonaceae	Caryophyllales
2020	Polygonum sawatchense	Polygonaceae	Caryophyllales

Priority Score

This species is not designated as may be at risk

Trends in rounded national ranks

Year	Rounded National Rank	Description of the change	Reason for change	Notes
2005	Imperiled
2010	Imperiled
2015	Imperiled
2020	Imperiled

Original Ranks:

Canada
2005	May Be At Risk - 2
2010	May Be At Risk - 2
2015	Imperiled - N2N3
2020	Imperiled - N2N3

Yukon
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Northwest Territories
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Nunavut
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

British Columbia
2005	May Be At Risk - 2
2010	May Be At Risk - 2
2015	Imperiled - S2
2020	Imperiled - S2S3

Alberta
2005	Not Present
2010	Not Present
2015	Unrankable - SU
2020	Unrankable - SU

Saskatchewan
2005	Not Assessed - 6
2010	Not Assessed - 6
2015	Imperiled - S2
2020	Imperiled - S2

Manitoba
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Ontario
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Quebec
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

New Brunswick
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Nova Scotia
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Prince Edward Island
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Newfoundland and Labrador
2005	Not Present
2010	Not Present
2015
2020

Labrador
2005
2010
2015	Not Present
2020	Not Present

Newfoundland
2005
2010
2015	Not Present
2020	Not Present

Pacific Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Western Arctic Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Eastern Arctic Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Atlantic Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present