text: senecio viscosus, persicaria lapathifolia, erigeron canadensis, plantago major, polygonum aviculare, sisymbrium officinale, sonchus oleraceus, capsella bursa-pastoris, chenopodium album, chenopodium ficifolium, erysimum cheiranthoides, poa annua, rorippa anceps, sedum acre, sisymbrium altissimum, solanum nigrum, tripleurospermum maritimum