| Costa Rica | | | Gómez P., L. D. | 1982 | Plantae mesoamericanae novae. II | Phytologia | 50(6): 401-404 |
| Costa Rica | | | Stevenson, D. W. | 1993 | The Zamiaceae in Panama with comments on phytogeography and species relationships | Brittonia | 45(1): 1–16 |
| Costa Rica | | | Merello, M. | 2003 | Zamiaceae. En: Manual de Plantas de Costa Rica. Vol. II. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.) | Monogr. Syst. Bot. Missouri Bot. Gard. | 92: 14–16 |
| Costa Rica | | | SPECIMEN BASED RECORD | | Published protolog data | | |
| Costa Rica | | | Monro, A. K., D. Santamaría-Aguilar, F. González Brenes, O. Chacón, D. Solano, A. Rodríguez, N. Zamora, E. Fedele & M. D. Correa A. | 2017 | A first checklist to the vascular plants of La Amistad International Park (PILA), Costa Rica-Panama | Phytotaxa | 322(1): 1–283 |
| Costa Rica | | | Stevenson, D. W., R. Osborne & J. Hendricks | 1990 | A world list of cycads | Mem. New York Bot. Gard. | 57: 200–206 |
| Costa Rica | | | Ulloa Ulloa, C., H. M. Hernández, F. R. Barrie & S. Knapp | 2024 | Cycadaceae a Cactaceae | Fl. Mesoamer. | 2(1): ined. |
| Costa Rica | Puntarenas | | Gómez P., L. D. | 1982 | Plantae mesoamericanae novae. II | Phytologia | 50(6): 401-404 |
| Panama | | | Ulloa Ulloa, C., H. M. Hernández, F. R. Barrie & S. Knapp | 2024 | Cycadaceae a Cactaceae | Fl. Mesoamer. | 2(1): ined. |
| Panama | | | Monro, A. K., D. Santamaría-Aguilar, F. González Brenes, O. Chacón, D. Solano, A. Rodríguez, N. Zamora, E. Fedele & M. D. Correa A. | 2017 | A first checklist to the vascular plants of La Amistad International Park (PILA), Costa Rica-Panama | Phytotaxa | 322(1): 1–283 |
| Panama | | | Taylor Blake, A. S. & G. Holzman | 2012 | A new Zamia species from the Panama Canal area | Bot. Rev. (Lancaster) | 78(4): 335–344 |
| Panama | | | Condit, R., S. Aguilar & R. A. Pérez | 2020 | Trees of Panama: A complete checklist with every geographic range | Forest Ecosyst. | 7–42: 1–13 |
| Panama | | | Condit, R., R. A. Pérez & S. Aguilar | 2019 | Complete Tree Species of Panama, DataONE, Dataset. https://doi.org/10.15146/R3M97W | | |
| 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 |
| Panama | | | Stevenson, D. W., R. Osborne & J. Hendricks | 1990 | A world list of cycads | Mem. New York Bot. Gard. | 57: 200–206 |
| Panama | | | Stevenson, D. W. | 1993 | The Zamiaceae in Panama with comments on phytogeography and species relationships | Brittonia | 45(1): 1–16 |
| Panama | | | Merello, M. | 2003 | Zamiaceae. En: Manual de Plantas de Costa Rica. Vol. II. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.) | Monogr. Syst. Bot. Missouri Bot. Gard. | 92: 14–16 |
| Panama | Chiriquí | | Stevenson, D. W. | 1993 | The Zamiaceae in Panama with comments on phytogeography and species relationships | Brittonia | 45(1): 1–16 |
| Panama | Chiriquí | | Correa A., M. D., C. Galdames & M. Stapf | 2004 | (none) | Cat. Pl. Vasc. Panamá | 1–599 |
| Panama | Colón | | Stevenson, D. W. | 1993 | The Zamiaceae in Panama with comments on phytogeography and species relationships | Brittonia | 45(1): 1–16 |
| Panama | Panamá | | Stevenson, D. W. | 1993 | The Zamiaceae in Panama with comments on phytogeography and species relationships | Brittonia | 45(1): 1–16 |
| Panama | San Blas | | Stevenson, D. W. | 1993 | The Zamiaceae in Panama with comments on phytogeography and species relationships | Brittonia | 45(1): 1–16 |