arctotheca calendula, medicago polymorpha, poa annua, sporobolus indicus, veronica arvensis, arenaria leptoclados, festuca juncifolia, geranium molle, lolium perenne, plantago lanceolata, soliva sessilis, allium vineale, aphanes arvensis, bellis perennis, bromus hordeaceus, capsella bursa-pastoris, cerastium diffusum, hordeum murinum, medicago lupulina, plantago coronopus, polycarpon tetraphyllum, sagina apetala, silene conica