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Polygonum austiniae
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Polygonaceae
Genus:	Polygonum
Species:	P. austiniae
Binomial name
Polygonum austiniae Greene 1885
Synonyms
Polygonum austinae Greene Polygonum douglasii subsp. austiniae (Greene) A.E. Murray Polygonum douglasii subsp. austiniae (Greene) J.C. Hickman Polygonum douglasii var. austiniae (Greene) M.E. Jones

Polygonum austiniae, common name Mrs. Austin's knotweed, is a plant species in the buckwheat family. It is native to western Canada and the western United States, from Alberta and British Columbia south as far as California, Nevada, and Wyoming.

Polygonum austiniae is an branching herb up to 20 cm (7.9 in) tall. Its habitats include sagebrush plains and ponderosa-pine forest.

References

1. Tropicos, Polygonum austiniae Greene
2. ^ Flora of North America, Polygonum austiniae Greene, 1885. (as austinae). Mrs. Austin's knotweed
3. Biota of North America Program 2014 county distribution map
4. Greene, Edward Lee. 1885. Bulletin of the California Academy of Sciences 1(4A): 212 Polygonum austinae
5. "Polygonum austiniae". ucjeps.berkeley.edu. Retrieved 2024-03-18.

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• Polygonum
• Flora of Western Canada
• Flora of the Western United States
• Flora of California
• Plants described in 1885
• Taxa named by Edward Lee Greene
• Polygonaceae stubs