yellowweed

Noun

yellowweed (usually uncountable, plural yellowweeds)

1. (usually) Goldenrod (several species in the genus Solidago)
   • Solidago rugosa Common throughout. Open, damp to dryish sites: borders of woods, thickets. One of the four important “yellowweeds” of fields.1960, D.S. Erskine, The Plants of Prince Edward Island, Canada Department of Agriculture, page 244
2. (usually) Sneezeweed (several species in the genus Helenium)
   • Orange sneezeweed, also called Hoopes sneezeweed, western sneezeweed, owlsclaws, sunflower, and yellowweed, is a perennial plant poisonous to livestock.1940, Forest Service, Wool growers, range owners, range administrators should work together to stop sheep losses from poisonous orange sneezeweed, United States Department of Agriculture, page 3
3. (usually) Dyer's rocket (Reseda luteola)
   • time to bring kettles to the barnlot / and boil my dyes— / yellowweed, / red from madder root,1978, Janet Beeler Shaw, Dowry: Poems by Janet N. Beeler, University of Missouri Press, page 14
4. (usually) Ragwort (Jacobaea vulgaris)
5. (usually) Wintercress (several species in the genus Barbarea)
6. (usually) Ball mustard (Neslia paniculata)