Taxon  Report   6741    
Polygonum bistortoides  Pursh  
(no longer an active name)
American bistort,  Snakeweed, Western bistort, Western knotweed
Polygonum bistortoides, a dicot, is a perennial herb that is native to California, is also found elsewhere in North America and beyond.

Bloom Period
Genus: Polygonum
Habitat: streambanks, meadows

Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, wetland-riparian

Name Status:
Accepted by PLANTS

JEF other name:
Bistorta bistortoides

Alternate Names:
PLANTS: Bistorta bistortoides
PLANTS: Persicaria bistortoides
PLANTS: Polygonum bistortoides var. linearifolium
. . .
NOTE: Polygonum bistortoides is no longer an active name.
More information about  Polygonum bistortoides
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Nov 19, 2019).