bromus sterilis, erigeron canadensis, hordeum murinum, lactuca serriola, tripleurospermum inodorum, achillea millefolium, bromus hordeaceus, calamagrostis epigejos, cirsium arvense, convolvulus arvensis, galinsoga parviflora, geranium pusillum, lamium album, polygonum aviculare, sedum spurium, setaria viridis, sisymbrium officinale, stellaria media, urtica dioica