Файл:Quercus trojana range.svg

     Quercus trojana subsp. trojana

     Quercus trojana subsp. yaltirikii

     Quercus trojana subsp. euboica

Caudullo, G., Welk, E., San-Miguel-Ayanz, J., 2017. Chorological maps for the main European woody species. Data in Brief 12, 662-666. DOI: 10.1016/j.dib.2017.05.007

Data: https://doi.org/10.6084/m9.figshare.5114098
References:

• Assyov, B., Petrova, A. (Eds.), 2012. Conspectus Of The Bulgarian Vascular Flora. 4th Edition. Bulgarian Biodiversity Foundation, Sofia.
• Bohn, U., Gollub, G., Hettwer, C., Weber, H., Neuhäuslová, Z., Raus, T., Schlüter, H., 2000. Karte der natürlichen Vegetation Europas; Map of the Natural Vegetation of Europe. Landwirtschaftsverlag. ISBN 9783784338095
• European Information System on Forest Genetic Resources. EUFGIS database. Accessed in September 2016
• Jalas, J., Suominen, J.(Eds.), 1976. Atlas Florae Europaeae: distribution of vascular plants in Europe Vol. 3 Salicaceae to Balanophoraceae. Committee for Mapping the Flora of Europe and Societas Biologica Fennica Vanario, Helsinki.
• Phitos, D., Constantinidis, T., Kamari, G. (Eds.), 2009. The red data book of rare and threatened plants of Greece, volume 2 E-Z. Hellenic Botanical Society, Patras. ISBN 9789609407113 (In Greece)
• Nikolić, T. (Ed.), 2015. Flora Croatica Database. Faculty of Science, University of Zagreb. Accessed in August 2016.
• Zielinski, J., Petrova, A., Tomaszewski, D., 2006. Quercus trojana subsp. yaltirikii (Fagaceae), a new subspecies from southern Turkey. Willdenowia, 36(2): 845-849.