| 1 | Native | Northern America | North-Central U.S.A. | United States | Illinois | s. | Mohlenbrock, R. H. & D. M. Ladd. 1978. Distribution of Illinois vascular plants |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Missouri | s.e. | Steyermark, J. A. 1977. Flora of Missouri. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Baja California Sur | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Northern America | Northern Mexico | Mexico | San Luis Potosí | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Sinaloa | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Sonora | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Tamaulipas | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Northern America | South-Central U.S.A. | United States | Texas | | Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Alabama | | Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Arkansas | | Smith, E. B. 1978. An atlas and annotated list of the vascular plants of Arkansas |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Delaware | | Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2 |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Florida | | Wunderlin, R. P. 1998. Guide to the vascular plants of Florida |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Georgia | | Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Kentucky | | Jones, R. L. 2005. Plant life of Kentucky: an illustrated guide to the vascular flora. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Louisiana | | Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2 |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Maryland | | Brown, R. G. & M. L. Brown. 1984. Herbaceous plants of Maryland |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Mississippi | | Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | North Carolina | | Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | South Carolina | | Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Tennessee | | Chester, E. W. et al. 1993-1997. Atlas of Tennessee vascular plants. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Virginia | | Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Chiapas | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Guerrero | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Hidalgo | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Jalisco | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Oaxaca | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Quintana Roo | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Tabasco | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Veracruz de Ignacio de la Llave | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Southern America | Caribbean | Bahamas | | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Southern America | Caribbean | Bermuda | | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Southern America | Caribbean | Cuba | | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Southern America | Caribbean | United States | Puerto Rico | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Southern America | Central America | Belize | | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Southern America | Central America | Costa Rica | | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Southern America | Central America | El Salvador | | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Southern America | Central America | Guatemala | | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Southern America | Central America | Honduras | | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Southern America | Central America | Nicaragua | | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Southern America | Northern South America | Guyana | | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Southern America | Northern South America | Venezuela | | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Southern America | Southern South America | Paraguay | | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 1 | Native | Southern America | Western South America | Colombia | | | Norman, E. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81:185-186. |
| 3 | Adventive | Northern America | Northeastern U.S.A. | United States | New Jersey | | Deam, C. C. 1940. Flora of Indiana. Note: mentions |
| 3 | Adventive | Northern America | Northeastern U.S.A. | United States | New York | Suffolk Co. | Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York. |
| 3 | Adventive | Northern America | Northeastern U.S.A. | United States | Pennsylvania | s.e. | Wherry, E. T. et al. 1979. Atlas of the flora of Pennsylvania. |