Ferns of Colombia Publications
A data set of vascular epiphytes of Colombia: the importance of biological records
Benavides, A.M., Arango, D., Carmona-Higuita, M.J., Vasco, A., Testo, W., Sundue, M. & Vega-Betancur, S. 2026. A data set of vascular epiphytes of Colombia: the importance of biological records. Ecosistemas 35: 3100.
Serpocaulon biauriculatum (Polypodiaceae), a New Endemic Species of Fern From Serranía de los Yariguíes, Santander, Colombia
Serpocaulon biauriculatum (Polypodiaceae), a New Endemic Species of Fern From Serranía de los Yariguíes, Santander, Colombia. David Sanín, Weston Testo. Brittonia 77: 411–418
The Andes Of Colombia and Ecuador as a Barrier To Fern and Lycophyte Species from Mesoamerica
Morris, S.K. & R.C. Moran. 2025. The Andes Of Colombia and Ecuador as a Barrier To Fern and Lycophyte Species from Mesoamerica. Annals of the Missouri Botanical Garden. 110(1), 88-110.
Parablechnum shuariorum (Blechnaceae), a new fern species from the Cordillera del Cóndor
Molino, S., Zapata, J.N., Heal, D. & Testo, W.L. 2025. Parablechnum shuariorum (Blechnaceae), a new fern species from the Cordillera del Cóndor. Brittonia 77: 33–39.
The PteridoPortal: A publicly accessible collection of over three million records of extant and extinct pteridophytes
Rothfels, C. J., J. Lee, M. A. Sundue, A. R. Smith, A. Kasameyer, J. Gross, G. Holman… Vasco, A., Testo, W…, et al. 2025. The PteridoPortal: A publicly accessible collection of over three million records of extant and extinct pteridophytes. Applications in Plant Sciences 13: e70003.
Taxonomic Revision of the Petiolatum Clade of Elaphoglossum sect. Lepidoglossa (Dryopteridaceae)
Martínez-Becerril, A.G. and Vasco, A. 2024. Taxonomic Revision of the Petiolatum Clade of Elaphoglossum sect. Lepidoglossa (Dryopteridaceae). Annals of the Missouri Botanical Garden 109 (1): 208-243.
A new name for plants previously called Parablechnum christii (Blechnaceae) in Costa Rica and Panama.
Molino, S., Testo, W. L., & Moran, R. C. 2024. A new name for plants previously called Parablechnum christii (Blechnaceae) in Costa Rica and Panama. Novon: A Journal for Botanical Nomenclature 32 (1): 87-93.
Phylogenomic evolutionary insights in the fern family Gleicheniaceae
Lima, L., Salino, A., Kessler, M., Rouhan, G., Testo, W. L., Argolo, C., GoFlag Consortium, and T. E. Almeida. 2023. Phylogenomic evolutionary insights in the fern family Gleicheniaceae. Molecular Phylogenetics and Evolution. 184: e107782.
Goniopteris ×tico (Thelypteridaceae), a New Hybrid Fern from Costa Rica
Sorojsrisom, E. S., Alvarado-Rodríguez, O., & Testo, W. (2023). Goniopteris ×tico (Thelypteridaceae), a New Hybrid Fern from Costa Rica. Systematic Botany, 48(4), 471-481.
Sinopsis de Selaginella (Selaginellaceae) para el departamento de Antioquia, Colombia
Vega-Betancur, S., R. Callejas., W. L. Testo and A. Vasco. Sinopsis de Selaginella (Selaginellaceae) para el departamento de Antioquia, Colombia. Brittonia, 75 (2): 133-158.
Deep vicariance and frequent transoceanic dispersal shape the evolutionary history of a globally distributed fern family
Testo, W. L., A. L. de Gasper, S. Molino, J. M. G. y Galán, A. Salino, V. A. de O. Dittrich, and E. B. Sessa. 2022. Deep vicariance and frequent transoceanic dispersal shape the evolutionary history of a globally distributed fern family. American Journal of Botany 109(10): 1–17