digitaria ischaemum, setaria pumila, amaranthus powellii, cirsium arvense, digitaria sanguinalis, elymus repens, equisetum arvense, raphanus raphanistrum, setaria viridis, sherardia arvensis, sonchus arvensis, achillea millefolium, capsella bursa-pastoris, fallopia convolvulus, galeopsis tetrahit, mentha arvensis, persicaria maculosa, polygonum aviculare, sisymbrium officinale, veronica chamaedrys