| Afghanistan | | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| China | Gansu | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| China | Hebei | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| China | Heilongjiang | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| China | Henan | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| China | Jilin | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| China | Liaoning | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| China | Nei Mongol Zizhiqu | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| China | Qinghai | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| China | Shaanxi | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| China | Shanxi | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| India | | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| Russian Federation | | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| South Africa | | | Gibbs Russell, G. E., W. G. M. Welman, E. Retief, K. L. Immelman, G. Germishuizen, B. J. Pienaar, M. Van Wyk & A. Nicholas | 1987 | List of species of southern African plants | Mem. Bot. Surv. S. Africa | 2(1–2): 1–152(pt. 1), 1–270(pt. 2) |
| Tajikistan | | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| Turkmenistan | | | Flora of China Editorial Committee | 1994 | Flora of China (Verbenaceae through Solanaceae) | Fl. China | 17: 1–378 |
| United States | | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| United States | Nebraska | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Wisconsin | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |