text: malva pusilla, anthemis cotula, capsella bursa-pastoris, galinsoga parviflora, persicaria maculosa, poa annua, prunella vulgaris, verbena officinalis, amaranthus retroflexus, convolvulus arvensis, daucus carota, erigeron canadensis, malva neglecta, plantago lanceolata, polygonum aviculare, potentilla reptans