| Canada | | | Gleason, H. A. | 1968 | The Sympetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 3. 596 pp |
| Canada | | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Canada | Newfoundland | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Canada | Newfoundland | | Gleason, H. A. | 1968 | The Sympetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 3. 596 pp |
| Canada | Ontario | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Canada | Quebec | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| China | Jiangsu | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
| China | Jiangsu | | Flora of China Editorial Committee | 1988-2013 | Flora of China (Checklist & Addendum) | Fl. China | Unpaginated |
| China | Xinjiang Uygur | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
| China | Xinjiang Uygur | | Flora of China Editorial Committee | 1988-2013 | Flora of China (Checklist & Addendum) | Fl. China | Unpaginated |
| Kazakhstan | | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
| Kyrgyzstan | | | 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 |
| Mongolia | | | Flora of China Editorial Committee | 1988-2013 | Flora of China (Checklist & Addendum) | Fl. China | Unpaginated |
| Russian Federation | | | Flora of China Editorial Committee | 1988-2013 | Flora of China (Checklist & Addendum) | Fl. China | Unpaginated |
| Russian Federation | | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
| Tajikistan | | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |
| United States | | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | | | Munz, P. A. & D. D. Keck | 1959 | (none) | Cal. Fl. | 1–1681 |
| United States | | | Gleason, H. A. | 1968 | The Sympetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 3. 596 pp |
| United States | California | | Munz, P. A. & D. D. Keck | 1959 | (none) | Cal. Fl. | 1–1681 |
| United States | California | | Gleason, H. A. | 1968 | The Sympetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 3. 596 pp |
| United States | Massachusetts | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | New Jersey | | Gleason, H. A. | 1968 | The Sympetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 3. 596 pp |
| Uzbekistan | | | Flora of China Editorial Committee | 2011 | Flora of China (Asteraceae) | Fl. China | 20–21: 1–992 |