text: euphorbia peplus, descurainia sophia, echinochloa crus-galli, erigeron canadensis, euphorbia helioscopia, falcaria vulgaris, fallopia convolvulus, lamium amplexicaule, lepidium draba, linaria vulgaris, oxalis stricta, persicaria lapathifolia, plantago major, poa annua, senecio vernalis, setaria pumila, sonchus arvensis, sonchus oleraceus, stellaria media