text: roemeria argemone, agrostemma githago, apera spica-venti, arabidopsis thaliana, arenaria serpyllifolia, arnoseris minima, erigeron canadensis, erodium cicutarium, lamium amplexicaule, myosotis arvensis, myosotis stricta, silene latifolia, spergula arvensis, stellaria media, tanacetum vulgare, trifolium repens, tripleurospermum inodorum, veronica arvensis, veronica triphyllos, vicia tetrasperma, viola arvensis