text: beta vulgaris, chenopodium album, polygonum aviculare, amaranthus retroflexus, agrostis stolonifera, echinochloa crus-galli, elymus repens, lipandra polysperma, sinapis arvensis, convolvulus arvensis, persicaria maculosa, poa angustifolia, silene latifolia, euphorbia helioscopia, thlaspi arvense, tripleurospermum inodorum