| Argentina | | | Barringer, K. A. | 2015 | Scrophulariaceae. En: Manual de Plantas de Costa Rica. Vol. VIII. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.) | Monogr. Syst. Bot. Missouri Bot. Gard. | 131: 149–192 |
| Bolivia | Chuquisaca | | Jørgensen, P. M., M. H. Nee & S. G. Beck | 2014 | Catálogo de las plantas vasculares de Bolivia | Cat. Pl. Vasc. Bolivia, Monogr. Syst. Bot. Missouri Bot. Gard. | 127(1–2): i–viii, 1–1744 |
| Bolivia | Chuquisaca | | Jørgensen, P. M., M. H. Nee, S. G. Beck & A.F. Fuentes | 2015 en adelante | Catalogo de las plantas vasculares de Bolivia (actualizaciones en línea) | | |
| Bolivia | La Paz | | Jørgensen, P. M., M. H. Nee, S. G. Beck & A.F. Fuentes | 2015 en adelante | Catalogo de las plantas vasculares de Bolivia (actualizaciones en línea) | | |
| Bolivia | La Paz | | Jørgensen, P. M., M. H. Nee & S. G. Beck | 2014 | Catálogo de las plantas vasculares de Bolivia | Cat. Pl. Vasc. Bolivia, Monogr. Syst. Bot. Missouri Bot. Gard. | 127(1–2): i–viii, 1–1744 |
| Brazil | | | Barringer, K. A. | 2015 | Scrophulariaceae. En: Manual de Plantas de Costa Rica. Vol. VIII. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.) | Monogr. Syst. Bot. Missouri Bot. Gard. | 131: 149–192 |
| Canada | | | Barringer, K. A. | 2015 | Scrophulariaceae. En: Manual de Plantas de Costa Rica. Vol. VIII. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.) | Monogr. Syst. Bot. Missouri Bot. Gard. | 131: 149–192 |
| Canada | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| Canada | | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Canada | | | Gleason, H. A. | 1968 | The Sympetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 3. 596 pp |
| Canada | British Columbia | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Canada | Newfoundland | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Chile | | | Marticorena, C. F. S. & M. Quezada | 1985 | Catálogo de la Flora Vascular de Chile | Gayana, Bot. | 42: 1–157 |
| Chile | | | Barringer, K. A. | 2015 | Scrophulariaceae. En: Manual de Plantas de Costa Rica. Vol. VIII. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.) | Monogr. Syst. Bot. Missouri Bot. Gard. | 131: 149–192 |
| China | Jiangsu | | Flora of China Editorial Committee | 1998 | Flora of China (Scrophulariaceae through Gesneriaceae) | Fl. China | 18: 1–449 |
| China | Jiangxi | | Flora of China Editorial Committee | 1998 | Flora of China (Scrophulariaceae through Gesneriaceae) | Fl. China | 18: 1–449 |
| China | Sichuan | | Flora of China Editorial Committee | 1998 | Flora of China (Scrophulariaceae through Gesneriaceae) | Fl. China | 18: 1–449 |
| China | Zhejiang | | Flora of China Editorial Committee | 1998 | Flora of China (Scrophulariaceae through Gesneriaceae) | Fl. China | 18: 1–449 |
| Colombia | | | Luteyn, J. L. | 1999 | Páramos, a checklist of plant diversity, geographical distribution, and botanical literature | Mem. New York Bot. Gard. | 84: viii–xv, 1–278 |
| Colombia | Antioquia | | Idárraga-Piedrahita, A., R. del C. Ortiz, R. Callejas Posada & M. Merello | 2011 | Listado de las plantas vasculares del departamento de Antioquia | Fl. Antioquia: Cat. | 2: 9–939 |
| Costa Rica | | | Barringer, K. A. | 2015 | Scrophulariaceae. En: Manual de Plantas de Costa Rica. Vol. VIII. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.) | Monogr. Syst. Bot. Missouri Bot. Gard. | 131: 149–192 |
| Costa Rica | | | Standley, P. C. & L. O. Williams | 1973 | Scrophulariaceae. En: Standley, P.C. & Steyermark, J.A. (eds.), Flora of Guatemala - Part IX, Number 4 | Fieldiana, Bot. | 24(9, 4): 319-416 |
| Ecuador | | | Holmgren, N. H. & U. Molau | 1984 | 177. Scrophulariaceae | Fl. Ecuador | 21: 1–189 |
| Ecuador | | | Luteyn, J. L. | 1999 | Páramos, a checklist of plant diversity, geographical distribution, and botanical literature | Mem. New York Bot. Gard. | 84: viii–xv, 1–278 |
| Ecuador | Cañar | | Jørgensen, P. M. & S. León-Yánez | 1999 | Catalogue of the Vascular Plants of Ecuador | Monogr. Syst. Bot. Missouri Bot. Gard. | 75: i–viii, 1–1181 |
| Ecuador | Cañar | | Jørgensen, P. M. & C. Ulloa Ulloa | 1994 | Seed plants of the high Andes of Ecuador—A checklist | AAU Rep. | 34: 1–443 |
| Ecuador | Carchi | | Holmgren, N. H. & U. Molau | 1984 | 177. Scrophulariaceae | Fl. Ecuador | 21: 1–189 |
| Ecuador | Carchi | | Jørgensen, P. M. & S. León-Yánez | 1999 | Catalogue of the Vascular Plants of Ecuador | Monogr. Syst. Bot. Missouri Bot. Gard. | 75: i–viii, 1–1181 |
| Ecuador | Carchi | | Jørgensen, P. M. & C. Ulloa Ulloa | 1994 | Seed plants of the high Andes of Ecuador—A checklist | AAU Rep. | 34: 1–443 |
| Ecuador | Imbabura | | Holmgren, N. H. & U. Molau | 1984 | 177. Scrophulariaceae | Fl. Ecuador | 21: 1–189 |
| Ecuador | Imbabura | | Jørgensen, P. M. & S. León-Yánez | 1999 | Catalogue of the Vascular Plants of Ecuador | Monogr. Syst. Bot. Missouri Bot. Gard. | 75: i–viii, 1–1181 |
| Ecuador | Imbabura | | Jørgensen, P. M. & C. Ulloa Ulloa | 1994 | Seed plants of the high Andes of Ecuador—A checklist | AAU Rep. | 34: 1–443 |
| Ecuador | Pichincha | | Holmgren, N. H. & U. Molau | 1984 | 177. Scrophulariaceae | Fl. Ecuador | 21: 1–189 |
| Ecuador | Pichincha | | Jørgensen, P. M. & S. León-Yánez | 1999 | Catalogue of the Vascular Plants of Ecuador | Monogr. Syst. Bot. Missouri Bot. Gard. | 75: i–viii, 1–1181 |
| Ecuador | Pichincha | | Jørgensen, P. M. & C. Ulloa Ulloa | 1994 | Seed plants of the high Andes of Ecuador—A checklist | AAU Rep. | 34: 1–443 |
| Ecuador | Tungurahua | | Holmgren, N. H. & U. Molau | 1984 | 177. Scrophulariaceae | Fl. Ecuador | 21: 1–189 |
| Ecuador | Tungurahua | | Jørgensen, P. M. & S. León-Yánez | 1999 | Catalogue of the Vascular Plants of Ecuador | Monogr. Syst. Bot. Missouri Bot. Gard. | 75: i–viii, 1–1181 |
| Ecuador | Tungurahua | | Jørgensen, P. M. & C. Ulloa Ulloa | 1994 | Seed plants of the high Andes of Ecuador—A checklist | AAU Rep. | 34: 1–443 |
| El Salvador | | | Barringer, K. A. | 2015 | Scrophulariaceae. En: Manual de Plantas de Costa Rica. Vol. VIII. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.) | Monogr. Syst. Bot. Missouri Bot. Gard. | 131: 149–192 |
| Guatemala | | | Barringer, K. A. | 2015 | Scrophulariaceae. En: Manual de Plantas de Costa Rica. Vol. VIII. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.) | Monogr. Syst. Bot. Missouri Bot. Gard. | 131: 149–192 |
| Guatemala | | | Standley, P. C. & L. O. Williams | 1973 | Scrophulariaceae. En: Standley, P.C. & Steyermark, J.A. (eds.), Flora of Guatemala - Part IX, Number 4 | Fieldiana, Bot. | 24(9, 4): 319-416 |
| Guatemala | Quetzaltenango | | Standley, P. C. & L. O. Williams | 1973 | Scrophulariaceae. En: Standley, P.C. & Steyermark, J.A. (eds.), Flora of Guatemala - Part IX, Number 4 | Fieldiana, Bot. | 24(9, 4): 319-416 |
| Guatemala | San Marcos | | Standley, P. C. & L. O. Williams | 1973 | Scrophulariaceae. En: Standley, P.C. & Steyermark, J.A. (eds.), Flora of Guatemala - Part IX, Number 4 | Fieldiana, Bot. | 24(9, 4): 319-416 |
| Mexico | | | Breedlove, D.E. | 1986 | Flora de Chiapas | Listados Floríst. México | 4: i–v, 1–246 |
| Mexico | Chiapas | | Breedlove, D.E. | 1986 | Flora de Chiapas | Listados Floríst. México | 4: i–v, 1–246 |
| Mexico | Chiapas | | Méndez-Larios, I. & J. L. Villaseñor Ríos | 2001 | La familia Scrophulariaceae in México: diversidad y distribución | Bol. Soc. Bot. México | 69: 101–121 |
| Mexico | Hidalgo | | Méndez-Larios, I. & J. L. Villaseñor Ríos | 2001 | La familia Scrophulariaceae in México: diversidad y distribución | Bol. Soc. Bot. México | 69: 101–121 |
| Mexico | Oaxaca | | Méndez-Larios, I. & J. L. Villaseñor Ríos | 2001 | La familia Scrophulariaceae in México: diversidad y distribución | Bol. Soc. Bot. México | 69: 101–121 |
| Mexico | Oaxaca | | García-Mendoza, A. J. & J. A. Meave del Castillo | 2011 | (none) | Divers. Floríst. Oaxaca | 1–351 |
| Mexico | Veracruz | | Méndez-Larios, I. & J. L. Villaseñor Ríos | 2001 | La familia Scrophulariaceae in México: diversidad y distribución | Bol. Soc. Bot. México | 69: 101–121 |
| New Zealand | | | Barringer, K. A. | 2015 | Scrophulariaceae. En: Manual de Plantas de Costa Rica. Vol. VIII. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.) | Monogr. Syst. Bot. Missouri Bot. Gard. | 131: 149–192 |
| Panama | | | D'Arcy, W. G. | 1987 | Flora of Panama. Checklist and Index. Part 1: The introduction and checklist | Monogr. Syst. Bot. Missouri Bot. Gard. | 17: v–xxx, 1–328 |
| Peru | | | Edwin, G. | 1971 | Scrophulariaceae | Publ. Field Mus. Nat. Hist., Bot. Ser. | 13(5B/3): 461–717 |
| Peru | Cusco | | Edwin, G. | 1971 | Scrophulariaceae | Publ. Field Mus. Nat. Hist., Bot. Ser. | 13(5B/3): 461–717 |
| United States | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| United States | | | Gleason, H. A. | 1968 | The Sympetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 3. 596 pp |
| United States | | | Munz, P. A. & D. D. Keck | 1959 | (none) | Cal. Fl. | 1–1681 |
| United States | | | Munz, P. A. | 1974 | (none) | Fl. S. Calif. | 1–1086 |
| United States | California | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| United States | California | | Munz, P. A. & D. D. Keck | 1959 | (none) | Cal. Fl. | 1–1681 |
| United States | California | | Munz, P. A. | 1974 | (none) | Fl. S. Calif. | 1–1086 |
| Venezuela | | | Barringer, K. A. | 2015 | Scrophulariaceae. En: Manual de Plantas de Costa Rica. Vol. VIII. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.) | Monogr. Syst. Bot. Missouri Bot. Gard. | 131: 149–192 |
| Venezuela | Mérida | | Hokche, O., P. E. Berry & O. Huber | 2008 | (none) | Nuevo Cat. Fl. Vasc. Venez. | 1–859 |
| Venezuela | Táchira | | Hokche, O., P. E. Berry & O. Huber | 2008 | (none) | Nuevo Cat. Fl. Vasc. Venez. | 1–859 |