Canada | | | Gleason, H. A. | 1968 | The Sympetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 3. 596 pp |
China | Anhui | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
China | Gansu | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
China | Guizhou | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
China | Hebei | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
China | Heilongjiang | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
China | Henan | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
China | Hubei | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
China | Jilin | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
China | Liaoning | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
China | Nei Mongol Zizhiqu | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
China | Ningxia Hui | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
China | Shaanxi | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
China | Shandong | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
China | Shanxi | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
China | Sichuan | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
Japan | | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
Mongolia | | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
North Korea | | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
Russian Federation | | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
South Korea | | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
United States | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
United States | | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
United States | | | Gleason, H. A. | 1968 | The Sympetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 3. 596 pp |
United States | | | Cronquist, A. J. | 1980 | Asteraceae | Vasc. Fl. S.E. U. S. | 1: i–xv, 1–261 |
United States | | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
United States | Alabama | | Cronquist, A. J. | 1980 | Asteraceae | Vasc. Fl. S.E. U. S. | 1: i–xv, 1–261 |
United States | Iowa | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
United States | North Carolina | | Cronquist, A. J. | 1980 | Asteraceae | Vasc. Fl. S.E. U. S. | 1: i–xv, 1–261 |
United States | North Carolina | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
United States | Tennessee | | Cronquist, A. J. | 1980 | Asteraceae | Vasc. Fl. S.E. U. S. | 1: i–xv, 1–261 |
United States | Virginia | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
United States | Virginia | | Cronquist, A. J. | 1980 | Asteraceae | Vasc. Fl. S.E. U. S. | 1: i–xv, 1–261 |
United States | Virginia | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |