text: scleranthus annuus, spergula arvensis, setaria viridis, arabidopsis thaliana, capsella bursa-pastoris, chenopodium album, persicaria maculosa, polygonum aviculare, rumex acetosella, thlaspi arvense, trifolium arvense, viola arvensis, arenaria serpyllifolia, lycopsis arvensis, myosotis arvensis, potentilla erecta, silene latifolia, stellaria media, veronica arvensis