Polygonum polygaloides ssp. confertiflorum Calflora

Distribution by County 6766

Polygonum polygaloides Meisn. ssp. confertiflorum (Nutt. ex Piper) J. C. Hickman

Dense knotweed, Fruitleaf knotweed

Polygonum polygaloides ssp. confertiflorum is an annual herb that is native to California, and also found elsewhere in western North America.

Record Count by County


Alpine: 1	Lassen: 42	Placer: 4	Siskiyou: 17
El Dorado: 3	Mendocino: 1	Plumas: 6	Tehama: 2
Fresno: 1	Modoc: 46	Shasta: 20	Tuolumne: 3
Lake: 7	Nevada: 10	Sierra: 13	Yuba: 4

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 04/19/2024).