viola arvensis, convolvulus arvensis, galium spurium, arabidopsis thaliana, centaurea cyanus, geranium pyrenaicum, veronica hederifolia, vicia sativa, arenaria serpyllifolia, artemisia absinthium, bromus tectorum, buglossoides arvensis, chenopodium album, galeopsis tetrahit, lamium amplexicaule, potentilla argentea, thlaspi arvense, sisymbrium officinale, trifolium repens