text: apera spica-venti, stellaria media, aphanes arvensis, arenaria serpyllifolia, capsella bursa-pastoris, ceratodon purpureus, cirsium arvense, elymus repens, galeopsis tetrahit, juncus bufonius, mentha arvensis, myosotis arvensis, polygonum aviculare, sonchus arvensis, stachys palustris, tripleurospermum inodorum, veronica arvensis, veronica persica, vicia hirsuta, vicia sativa, viola arvensis, arabidopsis thaliana, buglossoides arvensis, lapsana communis, odontites vernus, persicaria hydropiper, scleranthus annuus, thlaspi arvense, vicia tetrasperma, cerastium holosteoides, trifolium campestre, valerianella dentata