matricaria chamomilla, plantago major, agrostis stolonifera, artemisia vulgaris, atriplex prostrata, brassica nigra, chenopodium album, chenopodium ficifolium, cirsium arvense, elymus repens, epilobium parviflorum, erigeron canadensis, lactuca serriola, lipandra polysperma, persicaria lapathifolia, poa annua, polygonum aviculare, senecio viscosus, sisymbrium officinale, sonchus arvensis, sonchus asper, sonchus oleraceus, trifolium pratense, tripleurospermum maritimum, tussilago farfara, urtica urens, euphorbia helioscopia, galinsoga quadriradiata, medicago lupulina, plantago lanceolata, rumex obtusifolius, trifolium repens