Complex sentence: The flora consists of 678 species, 29 of which are endemic; some, such as "Limonium laetum", "Centaurea horrida" and "Limonium acutifolium", are exclusive to northern Sardinia, while others are characteristic of the Sardinian-Corsican region.
Split into simpler sentences: The flora consists of 678 species, 29 of which are endemic. Some, such as "Centaurea horrida", "Limonium laetum" and "Limonium acutifolium", are exclusive to northern Sardinia, while others are characteristic of the Sardinian-Corsican region.