chenopodium album, galinsoga parviflora, stellaria media, capsella bursa-pastoris, poa annua, rumex acetosa, thlaspi arvense, amaranthus retroflexus, arabidopsis arenosa, echinochloa crus-galli, equisetum arvense, erigeron canadensis, erysimum cheiranthoides, galium aparine, gnaphalium uliginosum, lamium purpureum, persicaria lapathifolia, polygonum aviculare, potentilla reptans, rorippa sylvestris, trifolium repens, tripleurospermum inodorum, urtica dioica, urtica urens, vicia hirsuta