hordeum murinum, lolium perenne, plantago major, arctium lappa, bromus hordeaceus, lepidium ruderale, phleum pratense, achillea millefolium, artemisia vulgaris, avena fatua, berteroa incana, bromus sterilis, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, elymus repens, erigeron canadensis, euphorbia tommasiniana, galinsoga parviflora, lactuca serriola, poa annua, poa pratensis, polygonum aviculare, sisymbrium officinale, sonchus oleraceus, thlaspi arvense, tragopogon pratensis, trifolium repens, tripleurospermum inodorum, urtica dioica