poa annua, juncus bufonius, juncus compressus, matricaria discoidea, plantago major, trifolium repens, apera spica-venti, argentina anserina, capsella bursa-pastoris, lolium perenne, persicaria hydropiper, plantago lanceolata, polygonum aviculare, rorippa palustris, trifolium pratense, sonchus oleraceus