Hill Mustard

(Bunias orientalis)

General description:

Herbaceous biennial that can act as a perennial in Wisconsin. Grows to be 1-4’ tall with warty bumps along stem as well as hairs on stem and leaves.

Ecological threat:

  • Invades grasslands, fields, pastures, roadsides, and disturbed areas.
  • Capable of invading high-quality areas and creating monoculture stands.
  • Plants may contain allelopathic compounds (chemicals toxic to surronding vegetation).
Japanese Barberry
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Japanese Barberry

(Berberis thunbergii)
Flowering Rush
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Flowering Rush

(Butomus umbellatus)