artemisia vulgaris, agrostis gigantea, cirsium arvense, melilotus albus, polygonum aviculare, tripleurospermum maritimum, vicia cracca, atriplex prostrata, calystegia sepium, elymus repens, erigeron canadensis, galinsoga quadriradiata, holcus lanatus, impatiens glandulifera, medicago lupulina, ranunculus repens, rubus caesius, trifolium pratense, tussilago farfara, lactuca serriola