polygonum aviculare, malva multiflora, chenopodiastrum murale, paspalum distichum, poa annua, amaranthus hybridus, erigeron floribundus, hordeum murinum, lolium perenne, plantago major, chenopodium album, dactylis glomerata, erigeron canadensis, plantago lanceolata, poa trivialis, solanum nigrum, sonchus oleraceus, stellaria media, trifolium repens, urtica dioica