thlaspi arvense, chenopodium album, chenopodium ficifolium, matricaria discoidea, persicaria maculosa, polygonum aviculare, stellaria media, capsella bursa-pastoris, lamium amplexicaule, poa annua, brassica oleracea, elymus repens, lepidium coronopus, matricaria chamomilla, persicaria lapathifolia, senecio vulgaris, solanum nigrum, urtica urens, galium aparine, lamium purpureum, phragmites australis, sonchus oleraceus