erigeron canadensis, arenaria serpyllifolia, atriplex tatarica, cirsium arvense, elymus repens, equisetum arvense, oxalis stricta, setaria pumila, artemisia vulgaris, carduus acanthoides, chenopodium album, lactuca serriola, mentha arvensis, papaver rhoeas, tanacetum vulgare, tripleurospermum inodorum, plantago major, senecio vulgaris, sonchus arvensis