atriplex prostrata, echinocystis lobata, bidens frondosa, sonchus oleraceus, calystegia sepium, armoracia rusticana, artemisia vulgaris, berteroa incana, carduus acanthoides, carex hirta, erigeron canadensis, persicaria maculosa, polygonum aviculare, salix viminalis, trifolium arvense, tussilago farfara, urtica dioica