| 1 | Native | Asia-Temperate | Caucasus | Azerbaijan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Russian Federation | Checheno-Ingushetia | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Russian Federation | Dagestan | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Russian Federation | Kabardino-Balkaria | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Russian Federation | Karačaevo-Čerkesskaja Respublika | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Russian Federation | Krasnodar | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Russian Federation | North Ossetia | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | China | China | Xinjiang Uygur Zizhiqu | | Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae. |
| 1 | Native | Asia-Temperate | Siberia | Russian Federation | Altay | | Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation) |
| 1 | Native | Asia-Temperate | Siberia | Russian Federation | Krasnoyarsk | s. | Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation) |
| 1 | Native | Asia-Temperate | Siberia | Russian Federation | Novosibirsk | | Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation) |
| 1 | Native | Asia-Temperate | Siberia | Russian Federation | Omsk | | Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation) |
| 1 | Native | Asia-Temperate | Siberia | Russian Federation | Sverdlovsk | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Siberia | Russian Federation | Tomsk | | Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation) |
| 1 | Native | Asia-Temperate | Siberia | Russian Federation | Tyumen | s. | Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation) |
| 1 | Native | Asia-Temperate | Western Asia | Iran | | | Khatamsaz, M. 1989. Studies on the Violaceae family in Iran. Iranian J. Bot. 4:171-182. |
| 1 | Native | Europe | Eastern Europe | Belarus | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Eastern Europe | Estonia | | | Laasimer, L. et al., eds. 1993-. Flora of the Baltic countries; compendium of vascular plants. |
| 1 | Native | Europe | Eastern Europe | Latvia | | | Laasimer, L. et al., eds. 1993-. Flora of the Baltic countries; compendium of vascular plants. |
| 1 | Native | Europe | Eastern Europe | Lithuania | | | Laasimer, L. et al., eds. 1993-. Flora of the Baltic countries; compendium of vascular plants. |
| 1 | Native | Europe | Eastern Europe | Moldova | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Europe | Eastern Europe | Russian Federation-European part | European part | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Europe | Eastern Europe | Ukraine | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Austria | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Belgium | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Czechoslovakia | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Germany | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Hungary | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Luxembourg | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Netherlands | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Poland | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Switzerland | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Northern Europe | Denmark | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Northern Europe | Ireland | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Northern Europe | Norway | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Northern Europe | Sweden | | | Marcussen, T. et al. 2001. Viola hirta (Violaceae) and its relatives in Norway. Nordic J. Bot. 21:5. |
| 1 | Native | Europe | Northern Europe | United Kingdom | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Albania | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Bulgaria | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Former Yugoslavia | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Greece | | incl. Crete | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Italy | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Romania | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southwestern Europe | Andorra | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southwestern Europe | France | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southwestern Europe | Portugal | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southwestern Europe | Spain | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |