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.22769678
References:

• Barina, Z. (Eds), 2017. Distribution atlas of vascular plants in Albania. Hungarian Natural History Museum, Budapest: 492 pp. ISBN: 9789639877290
• 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, Maßstab / Scale 1:2,500,000. Landwirtschaftsverlag, Münster. ISBN: 9783784338095
• Del Favero, R., Poldini, L., Bortoli, P. L., 1998. La vegetazione forestale e la selvicoltura nella regione Friuli-Venezia Giulia. Regione Autonoma Friuli-Venezia Giulia, Direzione Regionale delle Foreste servizio della selvicoltura.
• Dobignard, A. Flore du Maroc. Accessed in May 2023.
• FloraFaunaAltoAdige. www.florafauna.it. Museo di Scienze Naturali dell'Alto Adige, Bolzano. Accessed in May 2023.
• Karadelev, M., Rusevska, K., Pampurova, S., 2009. Ecology and distribution of morels (Morchellaceae, Helvellaceae) in the Republic of Macedonia. Macedonian Journal of Ecology and Environment, 12(1-2), 45-55.
• Matevski, V., 2016. New species for the flora of the Republic of Macedonia. Contributions, Section of Natural, Mathematical and Biotechnical Sciences, 37(2).
• Nikolić, T. (Ed.), 2015. Flora Croatica Database. Faculty of Science, University of Zagreb. Accessed in May 2023.
• Sociedade Portuguesa de Botânica. Flora-On: Flora de Portugal interactiva. Accessed in May 2023.
• Tela Botanica. eFlore. Accessed in May 2023.