text: carduus argyroa, beta vulgaris, carduus pycnocephalus, glebionis coronaria, hordeum murinum, sonchus oleraceus, bromus sterilis, medicago polymorpha, mercurialis annua, oxalis pes-caprae, anacyclus clavatus, avena barbata, bromus madritensis, calendula arvensis, chenopodiastrum murale, erodium malacoides, hedypnois rhagadioloides, melilotus sulcatus, rostraria cristata, solanum nigrum