arctotheca calendula, hordeum murinum, geranium rotundifolium, poa annua, bromus catharticus, bromus sterilis, capsella bursa-pastoris, euphorbia helioscopia, euphorbia peplus, geranium molle, medicago littoralis, stellaria media, urtica dioica, veronica arvensis, veronica persica, agrostis stolonifera, bromus hordeaceus, cerastium diffusum, delairea odorata, medicago polymorpha, paspalum vaginatum, rumex pulcher, sisymbrium officinale, trifolium dubium