erigeron floribundus, daucus carota, digitaria sanguinalis, oenothera glazioviana, dactylis glomerata, erigeron canadensis, malva multiflora, symphyotrichum squamatum, agrostis stolonifera, chenopodium album, dysphania ambrosioides, holcus lanatus, lolium arundinaceum, paspalum distichum, picris hieracioides, plantago lanceolata, trifolium repens, arctium minus, cortaderia selloana, elymus athericus, helminthotheca echioides, hypochaeris radicata, lepidium virginicum, melilotus albus, oenothera fallax, polygonum aviculare, trifolium pratense, urtica dioica, verbena officinalis