helminthotheca echioides, lolium rigidum, ranunculus arvensis, bifora radians, calystegia sepium, galeopsis angustifolia, galium tricornutum, kickxia spuria, lactuca serriola, lysimachia arvensis, papaver rhoeas, plantago major, poa compressa, polygonum aviculare, rapistrum rugosum, sonchus asper, trifolium repens, cirsium arvense, epilobium hirsutum, epilobium tetragonum, fallopia convolvulus, melilotus officinalis, mentha suaveolens, ranunculus repens, veronica officinalis