matricaria discoidea, scleranthus annuus, veronica verna, arctium lappa, arenaria serpyllifolia, capsella bursa-pastoris, erodium cicutarium, geranium rotundifolium, hordeum murinum, lepidium draba, lepidium ruderale, lolium perenne, medicago lupulina, plantago major, poa annua, poa bulbosa, polygonum aviculare, trifolium repens