poa annua, tussilago farfara, atriplex prostrata, bidens tripartita, erigeron canadensis, persicaria lapathifolia, senecio viscosus, urtica dioica, lolium perenne, agrostis stolonifera, artemisia vulgaris, capsella bursa-pastoris, chenopodium ficifolium, cirsium arvense, cirsium vulgare, eupatorium cannabinum, galinsoga parviflora, hordeum murinum, persicaria maculosa, phalaris arundinacea, plantago major, poa trivialis, polygonum aviculare, sisymbrium officinale, solanum nigrum, sonchus oleraceus, stellaria media, trifolium repens, epilobium hirsutum, rumex obtusifolius