Literature Based Distribution
Region
Country
Mapping will be based on a standard reference mark based on political units when available.
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| Brazil | | | Forzza, R. C. | 2010 | (none) | Lista de espécies Flora do Brasil | http://floradobrasil.jbrj.gov.br/2010 |
| Caribbean | Hispaniola | | Davidse, G., M. Sousa Sánchez & S. Knapp | 1995 | Psilotaceae a Salviniaceae | Fl. Mesoamer. | 1: i–xxi, 1–470 |
| Guatemala | | | Davidse, G., M. Sousa Sánchez & S. Knapp | 1995 | Psilotaceae a Salviniaceae | Fl. Mesoamer. | 1: i–xxi, 1–470 |
| Mexico | | | Mickel, J. T. & A. R. Smith | 2004 | The Pteridophytes of Mexico | Mem. New York Bot. Gard. | 88: 1–1054 |
| Mexico | | | Villaseñor Ríos, J. L. | 2016 | Checklist of the native vascular plants of Mexico/Catálogo de las plantas vasculares nativas de México | Revista Mex. Biodivers. | 87(3): 559–902 |
| Mexico | Chiapas | | Davidse, G., M. Sousa Sánchez & S. Knapp | 1995 | Psilotaceae a Salviniaceae | Fl. Mesoamer. | 1: i–xxi, 1–470 |
| United States | | | Davidse, G., M. Sousa Sánchez & S. Knapp | 1995 | Psilotaceae a Salviniaceae | Fl. Mesoamer. | 1: i–xxi, 1–470 |
| United States | | | USDA, NRCS | 2007 | The PLANTS Database (http://plants.usda.gov). National Plant Data Center, Baton Rouge. | | |
| United States | Texas | | Davidse, G., M. Sousa Sánchez & S. Knapp | 1995 | Psilotaceae a Salviniaceae | Fl. Mesoamer. | 1: i–xxi, 1–470 |
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