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The present part of the series provides new records of locally introduced native species in Hungary (Apium repens, Crypsis schoenoides, Limonium gmelinii, Rumex confertus, Sagina apetala). The spread of Crypsis schoenoides and Limonium gmelinii on roadsides is due to winter salting of roads, whereas the appearance of Apium repens and Sagina apetala is likely the consequence of the use of soil or peat material containing their seeds. The reports of Knautia dipsacifolia from the northern part of the Great Hungarian Plain and Spiraea crenata from the Hungarian-Romanian-Ukrainian border region is ascertained here concluding that the report of the first taxon was based on a misidentification of K. drymeia, whereas the record of Spiraea crenata is a consequence of mislocation. New records of two spreading aliens (Eragrostis virescens, Sporobolus vaginiflorus) are discussed here along with a herbarium revision of Eragrostis, which showed that all previous Hungarian records of Eragrostis parviflora refer to E. virescens. Further species discussed in the paper escaped from cultivation (Asparagus verticillatus, Euphorbia characias, Nassella tenuissima, the latter two new for the country). The fi rst record of the sedge hybrid Carex ×leutzii in Hungary is also presented. [ABSTRACT FROM AUTHOR]