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.5100694
References:

• Afonin, A. N., Greene, S. L., Dzyubenko, N. I., Frolov, A. N. (Eds.), 2008. Interactive Agricultural Ecological Atlas of Russia and Neighbouring Countries: Economic Plants and their Diseases, Pests and Weeds. http://www.agroatlas.ru. Accessed in August 2016.
• Assyov, B., Petrova, A. (Eds.), 2012. Conspectus Of The Bulgarian Vascular Flora. 4th Edition. Bulgarian Biodiversity Foundation, Sofia. ISBN 9789549959581
• Babac, M. T., Uslu, E., Bakis, Y. TÜBİVES - Turkish Plants Data Service. Accessed in August 2016.
• 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
• Botanical Society of Britain & Ireland. BSBI big database. Accessed in May 2016.
• European Information System on Forest Genetic Resources. EUFGIS database. Accessed in September 2016
• GBIF.org, 2016. Artdata. DOI: 10.15468/dl.vhlsf9
• GBIF.org, 2016. Banco de Datos de la Biodiversidad de la Comunitat Valenciana. DOI: 10.15468/dl.iru4gq
• GBIF.org, 2016. Botanical Society of the British Isles - Vascular Plants Database additions since 2000. DOI: 10.15468/dl.wzy04e
• GBIF.org, 2016. Botanical Society of the British Isles - Vascular Plants Database. DOI: 10.15468/dl.c7xheb
• GBIF.org, 2016. Dutch Vegetation Database (LVD). DOI: 10.15468/dl.km20zh
• GBIF.org, 2016. Fieldjournal.org observation database. DOI: 10.15468/dl.qfbdxi
• GBIF.org, 2016. FloVegSI - Floristical and fitocenological database of ZRC SAZU. DOI: 10.15468/dl.emozjq
• GBIF.org, 2016. Flora von Deutschland (Phanerogamen). DOI: 10.15468/dl.jhwqco
• GBIF.org, 2016. FloraCAT: Banco de datos de los cormófitos de Cataluña. DOI: 10.15468/dl.biuda7
• GBIF.org, 2016. Florabank1 - A grid-based database on vascular plant distribution in the northern part of Belgium (Flanders and the Brussels Capital region). DOI: 10.15468/dl.t9ewq8
• GBIF.org, 2016. Floristic Databases of Mecklenburg-Pomerania - Higher Plants. DOI: 10.15468/dl.ttbnoc
• GBIF.org, 2016. Fundación Biodiversidad, Real Jardín Botánico (CSIC): Anthos. Sistema de Información de las plantas de España. DOI: 10.15468/dl.9uo7is
• GBIF.org, 2016. Herbarium of Jyväskylä University Museum. DOI: 10.15468/dl.qlmmfd
• GBIF.org, 2016. INPN - Données flore des CBN agrégées par la FCBN. DOI: 10.15468/dl.gkp7wm
• GBIF.org, 2016. Institute of Dendrology PAS, Flora of Sudety Mountains. DOI: .15468/dl.kybkpr
• GBIF.org, 2016. National System of Protected Areas in Poland - Plants. DOI: 10.15468/dl.ym4vmn
• GBIF.org, 2016. Norwegian Species Observation Service. DOI: 10.15468/dl.6domy8
• GBIF.org, 2016. Occurrence Data of Vascular Plants collected or compiled for the Flora of Bavaria. DOI: 10.15468/dl.olxxvo
• GBIF.org, 2016. Sistema de Información de la vegetación Ibérica y Macaronésica. DOI: 10.15468/dl.m8zdd8
• GBIF.org, 2016. Vascular plants in Denmark recorded under the The Nationwide Monitoring and Assessment Programme for the Aquatic and Terrestrial Environments (NOVANA). DOI: 10.15468/dl.hnqokh
• Hultén, E., 1971. Atlas över växternas utbredning i Norden, 2nd edition. Generalstabens litografiska anstalts förlag, Stockholm.
• Hultén, E., Fries, M., 1986. Atlas of North European vascular plants (North of the Tropic of Cancer), Vols. I-III. Koeltz scientific books. ISBN 3874292630
• Meusel, H., Jäger, E. J., Rauschert, S., Weinert, E. (Eds.), 1978. Vergleichende Chorologie der Zentraleuropäischen Flora, Band II. Gustav Fischer Verlag, Jena.
• NetPhyD: Deutschlandflora WebGIS. Floristische Verbreitungskarten in Deutschland. Accessed in August 2016.
• Nikolić, T. (Ed.), 2015. Flora Croatica Database. Faculty of Science, University of Zagreb. Accessed in August 2016.
• Real Jardín Botánico, CSIC - Fundación Biodiversidad. Anthos - Information System of the plants of Spain. Accessed in August 2016.
• Sokolov S. I., Svjaseva O. A., Kubli V. A., 1986. Areas of distribution of trees and shrubs in the USSR, vol 3. Nauka, Leningrad, 182 pp. (In Russian)
• Tela Botanica. eFlore. Accessed in August 2016.