avena sativa, centaurea cyanus, scleranthus annuus, achillea millefolium, agrostis castellana, anthemis arvensis, bromus hordeaceus, cerastium pumilum, chenopodium album, dianthus armeria, fallopia convolvulus, galium spurium, geranium rotundifolium, lepidium campestre, lycopsis arvensis, medicago lupulina, medicago sativa, phleum pratense, poa annua, polygonum aviculare, silene vulgaris, thlaspi arvense, viola arvensis, centaurea nigra, euphorbia helioscopia, plantago lanceolata, roemeria argemone, trifolium incarnatum