Forbs

Diffuse Knapweed (Centaurea diffusa)

Hoary Cress or Whitetop (Lepidium draba or Cardaria draba)

Leafy Spurge (Euphorbia esula)

Perennial Pepperweed (Lepidium latifolium)

Russian Knapweed (Acroptilon repens)

Spotted Knapweed (Centaurea stoebe or C. maculosa)

Tansy Ragwort (Senecio jacobaea

Yellow Starthistle (Centaurea solstitialis)

Kudzu (Pueraria montana)

Thistles
   Bull Thistle (Cirsium vulgare)

   Canada Thistle (Cirsium arvense)

   Musk Thistle (Carduus nutans)

   Scotch Thistle (Onopordum acanthium)