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Microgramma percussa (Cav.) de la Sota
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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.
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Tryon, R. M. & R. G. Stolze. 1993. 18. Aspleniaceae–21. Polypodiaceae. 32: 1–190. In R. M. Tryon & R. G. Stolze (eds.) Pteridophyta of Peru Part V. 18. Aspleniaceae–21. Polypodiaceae. Fieldiana, Bot. n.s.. Field Museum of Natural History, Chicago.
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Polypodium avenium Desv.
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Lellinger, D. B. 1989. The ferns and fern-allies of Costa Rica, Panama, and the Chocó (Part 1: Psilotaceae through Dicksoniaceae). Pteridologia 2A: 1–364.
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Polypodium cuspidatum C. Presl
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Lellinger, D. B. 1989. The ferns and fern-allies of Costa Rica, Panama, and the Chocó (Part 1: Psilotaceae through Dicksoniaceae). Pteridologia 2A: 1–364.
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Polypodium elongatum Desv.
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Lellinger, D. B. 1989. The ferns and fern-allies of Costa Rica, Panama, and the Chocó (Part 1: Psilotaceae through Dicksoniaceae). Pteridologia 2A: 1–364.
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Polypodium haenkeanum Spreng.
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Lellinger, D. B. 1989. The ferns and fern-allies of Costa Rica, Panama, and the Chocó (Part 1: Psilotaceae through Dicksoniaceae). Pteridologia 2A: 1–364.
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Polypodium microlepidum Desv.
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Lellinger, D. B. 1989. The ferns and fern-allies of Costa Rica, Panama, and the Chocó (Part 1: Psilotaceae through Dicksoniaceae). Pteridologia 2A: 1–364.
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Polypodium percussum Cav.
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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.
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Lellinger, D. B. 1989. The ferns and fern-allies of Costa Rica, Panama, and the Chocó (Part 1: Psilotaceae through Dicksoniaceae). Pteridologia 2A: 1–364.
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Smith, A. R. 1981. Pteridophytes. 2: 1–370. In D.E. Breedlove (ed.) Fl. Chiapas. California Academy of Sciences, San Francisco.
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Tryon, R. M. & R. G. Stolze. 1993. 18. Aspleniaceae–21. Polypodiaceae. 32: 1–190. In R. M. Tryon & R. G. Stolze (eds.) Pteridophyta of Peru Part V. 18. Aspleniaceae–21. Polypodiaceae. Fieldiana, Bot. n.s.. Field Museum of Natural History, Chicago.
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Polypodium percussum var. squamosum Christ
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Lellinger, D. B. 1989. The ferns and fern-allies of Costa Rica, Panama, and the Chocó (Part 1: Psilotaceae through Dicksoniaceae). Pteridologia 2A: 1–364.
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Polypodium rostratum Cav.
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Lellinger, D. B. 1989. The ferns and fern-allies of Costa Rica, Panama, and the Chocó (Part 1: Psilotaceae through Dicksoniaceae). Pteridologia 2A: 1–364.
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Polypodium stigmaticum C. Presl
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Lellinger, D. B. 1989. The ferns and fern-allies of Costa Rica, Panama, and the Chocó (Part 1: Psilotaceae through Dicksoniaceae). Pteridologia 2A: 1–364.
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