it, grosseto, convolvulus arvensis, papaver rhoeas, medicago polymorpha, lolium rigidum, lysimachia arvensis, cynodon dactylon, sherardia arvensis, avena sterilis, bromus hordeaceus, hordeum murinum, plantago lagopus, avena barbata, anthemis arvensis, raphanus raphanistrum, hedypnois rhagadioloides, vicia sativa, sonchus oleraceus, poa annua, chenopodium album, rumex pulcher, plantago lanceolata, polygonum aviculare, calendula arvensis, poa bulbosa, bromus madritensis, cerastium glomeratum, senecio vulgaris, silene gallica, trifolium campestre, geranium molle, geranium dissectum, galactites tomentosa, echium plantagineum, anacyclus clavatus, bromus diandrus, euphorbia exigua, eryngium campestre, erodium cicutarium, filago pyramidata, sonchus asper, euphorbia helioscopia, carduus pycnocephalus, lamium amplexicaule, alopecurus myosuroides, trifolium resupinatum, helminthotheca echioides, plantago coronopus, daucus carota, rostraria cristata, stellaria media