eragrostis minor, achillea millefolium, digitaria sanguinalis, erigeron canadensis, poa pratensis, calamagrostis epigejos, capsella bursa-pastoris, chenopodium album, cirsium arvense, echium vulgare, lolium perenne, lotus corniculatus, plantago lanceolata, plantago major, poa annua, portulaca oleracea, scorzoneroides autumnalis, setaria viridis, sisymbrium officinale