ceratodon purpureus, erigeron canadensis, berteroa incana, bryum argenteum, echinops sphaerocephalus, plantago lanceolata, arctium lappa, arrhenatherum elatius, clinopodium acinos, daucus carota, echium vulgare, lactuca serriola, medicago sativa, rubus caesius, arenaria serpyllifolia, cirsium vulgare, equisetum arvense, senecio vulgaris, sonchus arvensis