anthemis arvensis, centaurea cyanus, cirsium arvense, convolvulus arvensis, erodium cicutarium, papaver rhoeas, scleranthus annuus, anchusa undulata, andryala integrifolia, bromus sterilis, echium vulgare, eryngium tenue, raphanus raphanistrum, reseda luteola, roemeria argemone, rumex acetosella, spergularia capillacea, taeniatherum caput-medusae, trifolium campestre, vicia sativa, viola arvensis