aphanes arvensis, stellaria media, tripleurospermum inodorum, apera spica-venti, arenaria serpyllifolia, capsella bursa-pastoris, euphorbia helioscopia, lamium amplexicaule, veronica hederifolia, viola arvensis, arabidopsis thaliana, draba verna, papaver rhoeas, poa annua, thlaspi arvense