convolvulus arvensis, lathyrus tuberosus, amaranthus retroflexus, chaenorhinum minus, chenopodium album, erigeron canadensis, polygonum aviculare, scorzonera laciniata, senecio vulgaris, sonchus oleraceus, tragopogon dubius, viola arvensis, arenaria serpyllifolia, echium vulgare, euphorbia helioscopia, fallopia convolvulus, lactuca perennis, lactuca serriola, medicago lupulina, reseda lutea, sonchus asper, trifolium repens, vicia cracca