Polygonum douglasii ssp. johnstonii (Munz) Hickman

Common names: Johnston's Knotweed
Species details (USDA): USDA PODOJ2

Documented uses

1 uses documented
Navajo, Ramah Drug, Nose Medicine detail... (Vestal, Paul A., 1952, The Ethnobotany of the Ramah Navaho, Papers of the Peabody Museum of American Archaeology and Ethnology 40(4):1-94, pages 24)