imperata cylindrica, agrostis stolonifera, dittrichia viscosa, centaurium tenuiflorum, blackstonia perfoliata, bromus secalinus, carex extensa, elymus athericus, equisetum ramosissimum, helminthotheca echioides, hypericum perforatum, juncus maritimus, pulicaria dysenterica, scirpoides holoschoenus