convolvulus arvensis, elymus repens, equisetum arvense, polygonum aviculare, tripleurospermum inodorum, tussilago farfara, arenaria serpyllifolia, artemisia campestris, artemisia vulgaris, bromus tectorum, corynephorus canescens, erigeron canadensis, fallopia convolvulus, helichrysum arenarium, oenothera biennis, persicaria maculosa, poa trivialis, rumex acetosella, sisymbrium officinale