poa annua, plantago major, hordeum murinum, lolium perenne, stellaria media, trifolium repens, artemisia absinthium, bromus hordeaceus, bromus sterilis, cichorium intybus, cynodon dactylon, dactylis glomerata, erigeron bonariensis, geranium pusillum, lolium arundinaceum, sisymbrium officinale