Polygonum douglasii ssp. johnstonii (Munz) Hickman Johnston's Knotweed USDA PODOJ2 |
Navajo, Ramah Drug, Nose Medicine Plant used as snuff for nose troubles. Vestal, Paul A., 1952, The Ethnobotany of the Ramah Navaho, Papers of the Peabody Museum of American Archaeology and Ethnology 40(4):1-94, page 24 |