polygonum aviculare, achillea millefolium, bromus hordeaceus, capsella bursa-pastoris, chenopodium album, geranium pusillum, lolium perenne, malva neglecta, matricaria chamomilla, matricaria discoidea, medicago lupulina, plantago major, poa annua, prunella vulgaris, rumex crispus, sisymbrium officinale, trifolium repens