E-Flora BC: Electronic Atlas of the Flora of British Columbia

Polygonum austiniae Greene
Austin's knotweed
Polygonaceae (Buckwheat family)

Introduction to Vascular Plants

Distribution of Polygonum austiniae
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Species Information

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Illustration Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Polygonum austiniae

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information	Value / Class
Site Information	Minimum	Average	Maximum
Elevation (metres)	1140	1140	1140
Slope Gradient (%)	0	0	0
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]		0
Soil Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric]	7	7	7
Modal Nutrient Regime Class
Number of field plots species was recorded in:	1
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in:
Source: Klinkenberg 2020

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Native	S2	Red	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer, the authoritative source for conservation information in British Columbia.

Synonyms and Alternate Names

Polygonum douglasii subsp. austiniae (Greene) A.E. Murray

Taxonomic and Nomenclatural Links

Flora North America treatment for Polygonaceae
Flora North America treatment for Polygonum austiniae
Genetic information (NCBI Taxonomy Database)
International Plant Names Index
Taxonomic Information from the World Flora Online
Integrated Taxonomic Information System

Additional Range and Status Information Links

Burke Museum of Natural History (Washington State records)
CalFlora
Consortium of Pacific Northwest Herbaria records
Jepson Interchange
NatureServe Explorer

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
Google Image Search
Flickr Image Search

General References

Google Scholar Search
Family References
General Botanical References for BC

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-05-16 9:49:33 PM ]

Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.