| Belize | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2013 | Saururaceae a Zygophyllaceae | Fl. Mesoamer. | 2(3): ined. |
| Costa Rica | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2013 | Saururaceae a Zygophyllaceae | Fl. Mesoamer. | 2(3): ined. |
| Costa Rica | | | Iltis, H.H. & X. Cornejo Sotomayer | 2010 | Studies in Capparaceae XXIX: Synopsis of Quadrella, a Mesoamerican and West Indian genus | J. Bot. Res. Inst. Texas | 4(1): 117–132 |
| Costa Rica | Alajuela | San Ramon | Iltis, H.H. & X. Cornejo Sotomayer | 2010 | Studies in Capparaceae XXVIII: the Quadrella cynophallophora complex | J. Bot. Res. Inst. Texas | 4(1): 93–115 |
| Costa Rica | Guanacaste | Tilarán | Iltis, H.H. & X. Cornejo Sotomayer | 2010 | Studies in Capparaceae XXVIII: the Quadrella cynophallophora complex | J. Bot. Res. Inst. Texas | 4(1): 93–115 |
| Costa Rica | Puntarenas | Golfito | Iltis, H.H. & X. Cornejo Sotomayer | 2010 | Studies in Capparaceae XXVIII: the Quadrella cynophallophora complex | J. Bot. Res. Inst. Texas | 4(1): 93–115 |
| Costa Rica | Puntarenas | Osa | Iltis, H.H. & X. Cornejo Sotomayer | 2010 | Studies in Capparaceae XXVIII: the Quadrella cynophallophora complex | J. Bot. Res. Inst. Texas | 4(1): 93–115 |
| Costa Rica | San José | Perez Zeledon | Iltis, H.H. & X. Cornejo Sotomayer | 2010 | Studies in Capparaceae XXVIII: the Quadrella cynophallophora complex | J. Bot. Res. Inst. Texas | 4(1): 93–115 |
| Mexico | Yucatan | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2013 | Saururaceae a Zygophyllaceae | Fl. Mesoamer. | 2(3): ined. |
| Panama | | | Iltis, H.H. & X. Cornejo Sotomayer | 2010 | Studies in Capparaceae XXIX: Synopsis of Quadrella, a Mesoamerican and West Indian genus | J. Bot. Res. Inst. Texas | 4(1): 117–132 |
| Panama | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2013 | Saururaceae a Zygophyllaceae | Fl. Mesoamer. | 2(3): ined. |
| Panama | Canal Area | | Iltis, H.H. & X. Cornejo Sotomayer | 2010 | Studies in Capparaceae XXVIII: the Quadrella cynophallophora complex | J. Bot. Res. Inst. Texas | 4(1): 93–115 |
| Panama | Colón | | Iltis, H.H. & X. Cornejo Sotomayer | 2010 | Studies in Capparaceae XXVIII: the Quadrella cynophallophora complex | J. Bot. Res. Inst. Texas | 4(1): 93–115 |
| Panama | Darién | | Iltis, H.H. & X. Cornejo Sotomayer | 2010 | Studies in Capparaceae XXVIII: the Quadrella cynophallophora complex | J. Bot. Res. Inst. Texas | 4(1): 93–115 |
| Panama | Los Santos | | Iltis, H.H. & X. Cornejo Sotomayer | 2010 | Studies in Capparaceae XXVIII: the Quadrella cynophallophora complex | J. Bot. Res. Inst. Texas | 4(1): 93–115 |
| Panama | Panamá | | Iltis, H.H. & X. Cornejo Sotomayer | 2010 | Studies in Capparaceae XXVIII: the Quadrella cynophallophora complex | J. Bot. Res. Inst. Texas | 4(1): 93–115 |
| Panama | San Blas | | Iltis, H.H. & X. Cornejo Sotomayer | 2010 | Studies in Capparaceae XXVIII: the Quadrella cynophallophora complex | J. Bot. Res. Inst. Texas | 4(1): 93–115 |
| Panama | Veraguas | | Iltis, H.H. & X. Cornejo Sotomayer | 2010 | Studies in Capparaceae XXVIII: the Quadrella cynophallophora complex | J. Bot. Res. Inst. Texas | 4(1): 93–115 |