1. Theophrastus the scientist and the philosopher

2. Observations on the Theophrastus' characters

3. Theophrastus on descoveries (texts 728-736 FHS&G)

4. The dating of Theophrastus' works

5. The botanical investigations in the expedition of Alexander the great: evidence from Theophrastus' works

6. The Flora of the Aegean in scientific research and the literature: from Theophrastus to modern researchers and from Sappho to Elytis

7. Geological structure and the petrified forest of Lesvos - Evidence from Theophrastus (On Stones)

8. The geography of Theophrastus life and of his botanical writings (Περί φυτών)

9. Geohistorical evidence on the evolution of plants in the Aegean sea

10. Biodiversity of the genus Fritillaria L. (Liliaceae) in the Aegean region

11. East mediterranean floristic elements in Lesbos island (Greece)

12. The vertebrate fauna of Lesbos island: an example of the high biodiversity of the north east aegean islands

13. The Aegean islands in the european ecological network "Natura 2000"

14. Ancestors of some crop plants in the islands of the eastern Aegean

15. Changes in the flora of some Aegean islets, studied during 30 years

16. Plant diversity, Phoenix Theophrasti and Pinus Brutia in Turkey

17. The greek environment and the conservation of biodiversity

18. The three phases of biological thinking and the genetic tools in the science of Theophrastus