convolvulus arvensis, erigeron canadensis, scleranthus annuus, trifolium pratense, veronica arvensis, achillea millefolium, anthemis arvensis, arabidopsis thaliana, arenaria serpyllifolia, artemisia absinthium, bromus tectorum, camelina microcarpa, centaurea cyanus, chenopodium album, fallopia convolvulus, galium spurium, lolium rigidum, lycopsis arvensis, polygonum aviculare, roemeria argemone, veronica hederifolia, veronica verna, vicia hirsuta, vicia sativa, viola arvensis, agrostemma githago