bidens frondosa, eryngium planum, carex acuta, carex praecox, erigeron canadensis, lythrum virgatum, alisma lanceolatum, artemisia abrotanum, beckmannia eruciformis, cuscuta campestris, echinochloa crus-galli, epilobium tetragonum, fraxinus pennsylvanica, inula britannica, lactuca serriola, linaria vulgaris, plantago major, poa palustris, polygonum aviculare, psammophiliella muralis, pulicaria vulgaris, rorippa brachycarpa, solanum nigrum, sonchus arvensis, sporobolus alopecuroides, verbascum thapsus, xanthium strumarium