DCHP-1 Online
locoweed 
n. a weed, Oxytropis sericea, poisonous to grazing animals.
See also: loco ((1))
- 1906 (1959) [Northern B.C. locale] Dick . . . had recently lost his own mare to loco weed. . . .
- 1952 On the upland north of Great Bear Lake . . . are found . . . loco-weed . . . and rhododendron. . . .
- 1954 [Grasshoppers] came by the crawling, hopping millions and somewhere along the way they must have dined on locoweed, for they were the most vicious little brigands I have ever encountered.
- 1906 (1959) [Northern B.C. locale] Dick . . . had recently lost his own mare to loco weed. . . .