Polygonum polygaloides ssp. esotericum Calflora

Distribution by County 6767

Polygonum polygaloides Meisn. ssp. esotericum (L. C. Wheeler) J. C. Hickman

Modoc county knotweed, Whitemargin knotweed

Polygonum polygaloides ssp. esotericum is an annual herb that is native to California, and found only slightly beyond California borders.

also called Polygonum esotericum

California Rare Plant Rank: 1B.3 (rare, threatened, or endangered in CA and elsewhere).

Record Count by County


Lassen: 2	Plumas: 4	Sierra: 5
Modoc: 63	Shasta: 2	Siskiyou: 2

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: 04/25/2024).