text: medicago sativa, capsella bursa-pastoris, stellaria media, veronica persica, lamium amplexicaule, erigeron canadensis, bromus tectorum, cirsium arvense, convolvulus arvensis, delphinium consolida, descurainia sophia, elymus repens, erodium cicutarium, erucastrum gallicum, euphorbia helioscopia, lactuca serriola, lamium purpureum, senecio vulgaris, tripleurospermum inodorum, veronica polita, viola arvensis, ajuga chamaepitys, geranium pusillum