text: apera spica-venti, aphanes arvensis, arenaria serpyllifolia, ceratodon purpureus, cirsium arvense, elymus repens, fallopia convolvulus, galeopsis tetrahit, juncus bufonius, lapsana communis, myosotis arvensis, oxalis stricta, persicaria hydropiper, polygonum aviculare, ranunculus repens, sagina procumbens, scleranthus annuus, sonchus arvensis, stachys palustris, stellaria media, tripleurospermum inodorum, veronica arvensis, viola arvensis, arabidopsis thaliana, cerastium holosteoides, equisetum arvense, erodium cicutarium, galeopsis bifida, mentha arvensis, riccia sorocarpa, veronica persica, vicia hirsuta, centaurea cyanus, galium aparine, lycopsis arvensis, rumex acetosella, valerianella dentata, vicia tetrasperma