plantago weldenii, cynodon dactylon, lolium perenne, malva nicaeensis, catapodium rigidum, hordeum murinum, lepidium ruderale, poa annua, polycarpon tetraphyllum, sisymbrium officinale, anthemis chia, bromus hordeaceus, capsella rubella, medicago minima, parapholis incurva, plantago lanceolata, polygonum aviculare, reichardia picroides