1. Ahrens CW, Meyer TH, Auer CA (2014) Distribution models for Panicum virgatum (Poaceae) reveal an expanded range in present and future climate regimes in the northeastern United States. Am J Bot 101:1886–1894
2. Akhani H, Djamali M, Ghorbanalizadeh A, Ramezani E (2010) Plant biodiversity of hyrcanian relict forests, N Iran: an overview of the flora, vegetation, palaeoecology and conservation. Pakistan J Bot 42:231–258
3. Akhani H, Mahdavi P, Noroozi J, Zarrinpour V (2013) Vegetation patterns of the Irano-Turanian steppe along a 3,000 m altitudinal gradient in the Alborz Mountains of Northern Iran. Folia Geobot 48:229–255
4. Asadi H, Hosseini SM, Esmailzadeh O, Ahmadi A (2011) Flora, life form and chronological study of box tree (Buxus hyrcanus Pojark.) sites in Khybus protected forest. Mazandaran J Plant Biol 3:27–40
5. Assadi M, Ramak Maassoumi AA, Khatamsaz M (1989) Flora of Iran. Ministry of Agriculture, Iran