text: euphorbia peplus, elymus repens, oxalis stricta, poa annua, setaria pumila, stellaria media, capsella bursa-pastoris, descurainia sophia, digitaria sanguinalis, euphorbia helioscopia, fallopia convolvulus, galinsoga parviflora, lepidium draba, matricaria chamomilla, plantago major, polygonum aviculare, senecio vernalis, thlaspi arvense, trifolium arvense, veronica polita