solanum nigrum, amaranthus bouchonii, amaranthus powellii, chenopodium album, geranium dissectum, potentilla reptans, verbena officinalis, lipandra polysperma, lysimachia arvensis, medicago lupulina, persicaria lapathifolia, polygonum aviculare, sonchus asper, veronica persica, arrhenatherum elatius, convolvulus arvensis, lotus tenuis, mentha suaveolens