Navarrete & Ollgaard [1] indicated the presence of a “C” group within Dennstaedtia Bernh. that contains D. obtusifolia (Willd.) T. Moore, which is the type material of the genus Patania C. Presl and indicated that it could require taxonomic recognition. They also discussed the situation generated by other authors including D. cornuta (Kaulf.) Mett. and D. obtusifolia as synonyms for D. dissecta (Sw.) T. Moore and then separated them as valid species; however, they insist on mentioning variables within the mentioned species and indicated that other species could be included. As a result of this group’s review from Costa Rica, it was found that there are three easily distinguishable new species: D. axillaris A. Rojas, D. rectangularis A. Rojas and D. riparia A. Rojas. Also, D. cornuta is registered from Mexico and Guatemala, and D. sprucei T. Moore is registered from Costa Rica.
Cite this paper
Rojas-Alvarado, A. F. and Villalobos-Brenes, F. (2018). Three New Species and New Records of Dennstaedtia Bernh. from Mesoamerica. Open Access Library Journal, 5, e5020. doi: http://dx.doi.org/10.4236/oalib.1105020.
Rojas, A.F. (2000) The Fern Genus Dennstaedtia (Dennstaedtiaceae) in Ecuador; New Characters, New Species and New Combination. Nordic Journal of Botany, 20, 319-346. https://doi.org/10.1111/j.1756-1051.2000.tb00747.x
Rojas, A.F. and Tejero, D. (2002) Una especie nueva de Dennstaedtia (Filicales: Dennstaedtiaceae) para México. Revista de Biología Tropical, 50, 1007-1012.
Kramer, K.U. (1990) Dennstaedtiaceae. In: Kubitzki, K., Ed., Families and Genera of Vascular Plants, Part 1. Pteridophytes and Gymnosperms, Springer-Verlag, 81-94.
Tryon, R.M. and Tryon, A.F. (1982) Ferns and Allied Plants, with Special Reference to Tropical America. Springer-Verlag, New York, i-xii. 1-857. https://doi.org/10.1007/978-1-4613-8162-4
Moran, R.C. (1995) Dennstaedtia. In: Moran, R.C. and Riba, R., Eds., Flora Mesoamericana. Volumen 1. Psilotaceae a Salviniaceae, Universidad Nacional Autónoma de México. D. F., México, 150-163. http://www.mobot.org/mobot/tropicos/meso/homep_sp.htm
Ya？ez, A, Arana, M.D., Márquez, G.J. and Oggero, A. (2014) The Genus Dennstaedtia Bernh. (Dennstaedtiaceae) in Argentina. Phytotaxa, 174, 69-81. https://doi.org/10.11646/phytotaxa.174.2.1
Thiers, B. (2016) [continuously updated] Index Herbariorum: A Global Directory of Public Herbaria and Associated Staff. New York Botanical Garden’s Virtual Herbarium. http://sweetgum.nybg.org/science/ih/
