text: sherardia arvensis, veronica persica, convolvulus arvensis, echinochloa crus-galli, euphorbia helioscopia, lamium purpureum, lathyrus tuberosus, myosotis arvensis, papaver rhoeas, poa pratensis, silene noctiflora, sonchus asper, stellaria media, thlaspi arvense, tripleurospermum inodorum, veronica polita, vicia sativa, bromus sterilis, carduus acanthoides, galium aparine