Continuing a series of miscellaneous contributions, by various authors, where hitherto unpublished data relevant to the Med-Checklist project are presented, this instalment deals with the families Isoetaceae; Amaranthaceae, Asclepiadaceae, Boraginaceae, Caryophyllaceae, Cistaceae, Compositae, Cruciferae, Labiatae, Leguminosae, Lythraceae, Onagraceae, Polygonaceae, Rafflesiaceae, Rosaceae, Salicaceae, Sapindaceae, Solanaceae, Umbelliferae, Violaceae; Cyperaceae, Gramineae, Hydrocharitaceae, and Juncaceae. It includes new country and area records, taxonomic and distributional considerations. A new species of Halimium is described and illustrated. New names and combinations are validated in Amelanchier and Lonicera.