| Brazil | | | Forzza, R. C. | 2010 | (none) | Lista de espécies Flora do Brasil | http://floradobrasil.jbrj.gov.br/2010 |
| Brazil | Amazonas | | Barbosa, J. F. & C. M. Sakuragui | 2014 | Taxonomy and conservation of the Brazilian extra-Amazonian species of Philodendron subg. Pteromischum (Araceae) | Phytotaxa | 191(1): 45–65 |
| Brazil | Bahia | Arataca | Barbosa, J. F. & C. M. Sakuragui | 2014 | Taxonomy and conservation of the Brazilian extra-Amazonian species of Philodendron subg. Pteromischum (Araceae) | Phytotaxa | 191(1): 45–65 |
| Brazil | Bahia | Itacaré | Barbosa, J. F. & C. M. Sakuragui | 2014 | Taxonomy and conservation of the Brazilian extra-Amazonian species of Philodendron subg. Pteromischum (Araceae) | Phytotaxa | 191(1): 45–65 |
| Brazil | Bahia | Porto Seguro | Barbosa, J. F. & C. M. Sakuragui | 2014 | Taxonomy and conservation of the Brazilian extra-Amazonian species of Philodendron subg. Pteromischum (Araceae) | Phytotaxa | 191(1): 45–65 |
| Brazil | Bahia | Santa Cruz Cabrália | Barbosa, J. F. & C. M. Sakuragui | 2014 | Taxonomy and conservation of the Brazilian extra-Amazonian species of Philodendron subg. Pteromischum (Araceae) | Phytotaxa | 191(1): 45–65 |
| Brazil | Bahia | Una | Barbosa, J. F. & C. M. Sakuragui | 2014 | Taxonomy and conservation of the Brazilian extra-Amazonian species of Philodendron subg. Pteromischum (Araceae) | Phytotaxa | 191(1): 45–65 |
| Brazil | Bahia | Uruçuca | Barbosa, J. F. & C. M. Sakuragui | 2014 | Taxonomy and conservation of the Brazilian extra-Amazonian species of Philodendron subg. Pteromischum (Araceae) | Phytotaxa | 191(1): 45–65 |
| Brazil | Bahia | Wenceslau Guimarães | Barbosa, J. F. & C. M. Sakuragui | 2014 | Taxonomy and conservation of the Brazilian extra-Amazonian species of Philodendron subg. Pteromischum (Araceae) | Phytotaxa | 191(1): 45–65 |
| Brazil | Pará | Oriximiná | Barbosa, J. F. & C. M. Sakuragui | 2014 | Taxonomy and conservation of the Brazilian extra-Amazonian species of Philodendron subg. Pteromischum (Araceae) | Phytotaxa | 191(1): 45–65 |
| Ecuador | Pastaza | | 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 |
| French Guiana | | | Funk, V. A., T. H. Hollowell, P. E. Berry, C. L. Kelloff & S. Alexander | 2007 | Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana) | Contr. U.S. Natl. Herb. | 55: 1–584 |
| Guyana | | | Funk, V. A., T. H. Hollowell, P. E. Berry, C. L. Kelloff & S. Alexander | 2007 | Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana) | Contr. U.S. Natl. Herb. | 55: 1–584 |
| Suriname | | | Funk, V. A., T. H. Hollowell, P. E. Berry, C. L. Kelloff & S. Alexander | 2007 | Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana) | Contr. U.S. Natl. Herb. | 55: 1–584 |
| Suriname | | | Barbosa, J. F. & C. M. Sakuragui | 2014 | Taxonomy and conservation of the Brazilian extra-Amazonian species of Philodendron subg. Pteromischum (Araceae) | Phytotaxa | 191(1): 45–65 |
| Venezuela | Amazonas | | Funk, V. A., T. H. Hollowell, P. E. Berry, C. L. Kelloff & S. Alexander | 2007 | Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana) | Contr. U.S. Natl. Herb. | 55: 1–584 |
| Venezuela | Amazonas | | Hokche, O., P. E. Berry & O. Huber | 2008 | (none) | Nuevo Cat. Fl. Vasc. Venez. | 1–859 |
| Venezuela | Bolívar | | Hokche, O., P. E. Berry & O. Huber | 2008 | (none) | Nuevo Cat. Fl. Vasc. Venez. | 1–859 |
| Venezuela | Bolívar | | Funk, V. A., T. H. Hollowell, P. E. Berry, C. L. Kelloff & S. Alexander | 2007 | Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana) | Contr. U.S. Natl. Herb. | 55: 1–584 |