The Flora of Siahrude Rudbar Protected Area, Northern Iran

The vascular flora of the Siahrud-e Rudbar protected area was investigated in the years 2007 and 2008. It is a sylvatic area in the Guilan province with a total area of approximately 28 289 hectares. A total of 711 plant specimens were collected and 616 species,subspecies,and varieties,belonging to 373 genera and 101 families were identified. Of these,14 species( 2. 3%) are endemic to Iran. The documented flora exhibited many typically Hyrcanian species,including Hyrcanian endemics. The global phytogeographical affinities of the species were as follows:Euro-Siberian 21. 2%,Iran-Turanian & Euro-Siberian 16. 8%,Pluriregional 11. 7%,Iran-Turanian 10. 6%,and Cosmopolite 5. 5%.