hordeum murinum, matricaria chamomilla, lolium rigidum, poa annua, rostraria cristata, trifolium nigrescens, bromus madritensis, bromus sterilis, capsella rubella, catapodium rigidum, dactylis glomerata, euphorbia helioscopia, lagurus ovatus, lolium perenne, malva nicaeensis, mercurialis annua, parietaria judaica, piptatherum miliaceum, polycarpon tetraphyllum, polygonum aviculare, rumex pulcher, scrophularia peregrina, sisymbrium officinale