| 1 | Native | Africa | Northern Africa | Algeria | | n. | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Africa | Northern Africa | Morocco | | | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Africa | Northern Africa | Tunisia | | | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Asia-Temperate | Caucasus | Armenia | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Azerbaijan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Georgia | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Russian Federation-Ciscaucasia | Ciscaucasia | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Western Asia | Turkey | | | Davis, P. H., ed. 1965-1988. Flora of Turkey and the east Aegean islands. |
| 1 | Native | Europe | Middle Europe | Hungary | | w. | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Albania | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Bosnia and Herzegovina | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Bulgaria | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Croatia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Greece | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Italy | | incl. Sardinia, Sicily | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Montenegro | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | North Macedonia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Serbia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Slovenia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 2 | Cultivated | Asia-Temperate | Caucasus | Armenia | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 2 | Cultivated | Asia-Temperate | Caucasus | Azerbaijan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 2 | Cultivated | Asia-Temperate | Caucasus | Georgia | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 2 | Cultivated | Asia-Temperate | China | China | | | Food and Agriculture Organization of the United Nations (FAO). 2010. Ecocrop (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Eastern Asia | Japan | | | Food and Agriculture Organization of the United Nations (FAO). 2010. Ecocrop (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Eastern Asia | Korea | | | Food and Agriculture Organization of the United Nations (FAO). 2010. Ecocrop (on-line resource). |
| 2 | Cultivated | Asia-Temperate | Western Asia | Turkey | | | Food and Agriculture Organization of the United Nations (FAO). 2010. Ecocrop (on-line resource). |
| 2 | Cultivated | Asia-Tropical | Indian Subcontinent | Bhutan | | | Grierson, A. J. C. & D. J. Long. 1984-. Flora of Bhutan including a record of plants from Sikkim. |
| 2 | Cultivated | Asia-Tropical | Indian Subcontinent | India | | | Council of Scientific and Industrial Research, India. 1985-1992. The wealth of India: a dictionary of Indian raw materials and industrial products. Raw materials (revised edition). |
| 2 | Cultivated | Asia-Tropical | Malesia | Indonesia | | | Verheij, E. W. M. & R. E. Coronel, eds. 1991. Edible fruits and nuts. In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA) 2:324. |
| 2 | Cultivated | Europe | Eastern Europe | Ukraine | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 2 | Cultivated | Europe | Middle Europe | Belgium | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 2 | Cultivated | Europe | Middle Europe | Czech Republic | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 2 | Cultivated | Europe | Middle Europe | Germany | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 2 | Cultivated | Europe | Middle Europe | Netherlands | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 2 | Cultivated | Europe | Middle Europe | Slovakia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 2 | Cultivated | Europe | Northern Europe | United Kingdom | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 2 | Cultivated | Europe | Southeastern Europe | Romania | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 2 | Cultivated | Europe | Southwestern Europe | France | | incl. Corsica | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 2 | Cultivated | Europe | Southwestern Europe | Portugal | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 2 | Cultivated | Europe | Southwestern Europe | Spain | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 4 | Naturalized | Asia-Tropical | Indian Subcontinent | India | | | Council of Scientific and Industrial Research, India. 1985-1992. The wealth of India: a dictionary of Indian raw materials and industrial products. Raw materials (revised edition). |
| 4 | Naturalized | Europe | | Europe | | | Govaerts, R. & D. G. Frodin. 1998. World checklist and bibliography of Fagales |
| 4 | Naturalized | Europe | Middle Europe | Austria | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 4 | Naturalized | Europe | Middle Europe | Slovakia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 4 | Naturalized | Europe | Southeastern Europe | Bulgaria | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 4 | Naturalized | Europe | Southeastern Europe | Greece | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 4 | Naturalized | Europe | Southeastern Europe | Italy | Sardegna | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 4 | Naturalized | Europe | Southeastern Europe | Italy | Sicilia | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 4 | Naturalized | Europe | Southwestern Europe | France | | s. & Corsica | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 4 | Naturalized | Europe | Southwestern Europe | Spain | | n.e. | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |