hordeum murinum, lolium perenne, bromus hordeaceus, capsella bursa-pastoris, bromus sterilis, plantago lanceolata, plantago major, poa annua, sisymbrium officinale, achillea millefolium, artemisia vulgaris, dactylis glomerata, erigeron canadensis, geranium pusillum, holcus lanatus, matricaria discoidea, polygonum aviculare, sisymbrium loeselii, trifolium dubium, trifolium repens