achillea millefolium, convolvulus arvensis, elymus repens, polygonum aviculare, artemisia campestris, artemisia vulgaris, bromus tectorum, chenopodium album, cirsium arvense, corynephorus canescens, daucus carota, echium vulgare, equisetum arvense, erigeron canadensis, helichrysum arenarium, hypericum perforatum, persicaria maculosa, pinus sylvestris, poa trivialis, rumex acetosella, stachys palustris, trifolium arvense, tripleurospermum inodorum