medicago lupulina, equisetum arvense, vicia sativa, viola arvensis, arenaria serpyllifolia, chenopodium album, convolvulus arvensis, euphorbia helioscopia, galeopsis tetrahit, galium aparine, lathyrus oleraceus, lysimachia arvensis, myosotis arvensis, persicaria mitis, sherardia arvensis, sonchus asper