papaver rhoeas, polygonum aviculare, torilis arvensis, lolium rigidum, senecio vulgaris, bromus diandrus, lactuca serriola, festuca maritima, lysimachia foemina, sonchus asper, convolvulus arvensis, bituminaria bituminosa, epilobium parviflorum, euphorbia exigua, helianthus annuus, veronica arvensis