apera spica-venti, artemisia vulgaris, bryum argenteum, erigeron canadensis, lactuca serriola, syntrichia ruralis, ceratodon purpureus, galinsoga parviflora, tripleurospermum inodorum, capsella bursa-pastoris, epilobium ciliatum, fallopia convolvulus, geranium pusillum, poa annua, polygonum aviculare, rumex obtusifolius, urtica dioica