bromus sterilis, bromus tectorum, hordeum murinum, lolium perenne, plantago major, artemisia vulgaris, bromus hordeaceus, capsella bursa-pastoris, chenopodium album, chenopodium ficifolium, medicago lupulina, mercurialis annua, persicaria lapathifolia, poa annua, poa compressa, stellaria media, tripleurospermum inodorum, urtica dioica, erigeron canadensis, euphorbia peplus, lactuca serriola, sonchus oleraceus