text: sonchus asper, carduus nutans, chenopodium album, lysimachia arvensis, senecio vulgaris, arenaria serpyllifolia, cerastium fontanum, jacobaea vulgaris, medicago lupulina, poa annua, polygonum aviculare, poterium sanguisorba, sherardia arvensis, stellaria media, cirsium vulgare, dactylis glomerata, koeleria macrantha, lolium perenne, plantago lanceolata, prunella vulgaris, veronica arvensis