tripleurospermum inodorum, apera spica-venti, sisymbrium altissimum, artemisia vulgaris, bromus tectorum, cerastium holosteoides, chenopodium album, elymus repens, erigeron canadensis, poa annua, rumex acetosella, senecio viscosus, spergularia rubra, trifolium arvense, vicia hirsuta, vicia sativa, medicago lupulina, poa trivialis, roemeria argemone, viola arvensis