Taxon  Report   11040    
Polygonum spergulariiforme  Meisn. ex Small
Spurry knotweed
Polygonum spergulariiforme, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.

Bloom Period
Genus: Polygonum
Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Serpentine affinity: 3; (strong indicator)

Habitat: slopes

Communities: Yellow Pine Forest, Chaparral, Coastal Prairie

Name Status:
Accepted by JEF

PLANTS other name:
Polygonum douglasii ssp. spergulariiforme

Alternate Names:
JEF: Polygonum douglasii ssp. spergulariiforme
More information about  Polygonum spergulariiforme
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora


Search (Flora of North America)

Landscape information from Calscape

Photos on   /   Google Images

Consortium of California Herbaria

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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Feb 16, 2020).