eragrostis minor, argentina anserina, lolium perenne, matricaria discoidea, plantago major, poa pratensis, calamagrostis epigejos, capsella bursa-pastoris, cichorium intybus, cirsium arvense, erigeron canadensis, medicago lupulina, rumex crispus, scorzoneroides autumnalis, setaria viridis, sonchus oleraceus, tussilago farfara