arrhenatherum elatius, centaurea nigra, dactylis glomerata, knautia arvensis, linaria vulgaris, achillea millefolium, heracleum sphondylium, holcus lanatus, papaver rhoeas, pastinaca sativa, potentilla reptans, agrimonia eupatoria, crepis biennis, fallopia convolvulus, hypericum perforatum, sonchus asper