Assertion: hemlock | /r/HasProperty | class b noxious weed
Facets:
Source sentences:
text: Poison hemlock, a Class B noxious weed, is a widespread toxic biennial plant in the Carrot Family often found in open sunny areas, fields, vacant lots, and on roadsides.
text: Poison-hemlock is a Class B Noxious Weed on the Washington State Noxious Weed List that is selected for required control on public lands and public rights-of-way by the King County Noxious Weed Control Board.