hordeum murinum, avena barbata, bromus sterilis, carduus pycnocephalus, capsella rubella, catapodium rigidum, convolvulus arvensis, crepis sancta, dactylis glomerata, diplotaxis tenuifolia, euphorbia helioscopia, fumaria officinalis, galium aparine, geranium rotundifolium, lolium perenne, papaver rhoeas, reichardia picroides, sisymbrium officinale, sonchus asper, sonchus oleraceus, veronica arvensis