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Serpocaulon ×rojasianum (Polypodiaceae): A new fern hybrid from Costa Rica

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Abstract

Serpocaulon ×rojasianum, a new hybrid, is described and illustrated from Costa Rica. It was found growing with its two parents, S. dissimile and S. triseriale, and is intermediate between them in many morphological characters. The spores are malformed and presumably non-viable, but occasionally large, globose, apparently unreduced spores are found. This is the fifth hybrid reported for the genus.

Resumen

Se describe e ilustra un nuevo híbrido para Costa Rica, Serpocaulon × rojasianum. El híbrido fue encontrado creciendo junto a sus progenitores, S. dissimile y S. triseriale, y presenta caracteres morfológicos intermedios entre ellos. Las esporas están malformadas y presumiblemente no viables, pero ocasionalmente son grandes y globosas, aparentemente son esporas no reducidas. Este es el quinto híbrido que se reporta para el género.

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Acknowledgments

We thank the anonymous reviewers for their helpful suggestions. J.M. Chaves and F. Oviedo were partially funded by a U.S. National Science Foundation Biological Research Collections Grant (NSF-CSBR 12-01121), and J.M. Chaves was further funded by a Shirley A. Graham Fellowship from Missouri Botanical Garden. Moran was partially funded by a grant from the U.S. National Science Foundation (DEB-1020443).

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Authors and Affiliations

  1. Herbario Luis Diego Gómez, Organization for Tropical Studies, Las Cruces Biological Station, Apdo. 73-8257, San Vito de Coto Brus, Costa Rica

    José Miguel Chaves-Fallas & Federico Oviedo-Brenes

  2. The New York Botanical Garden, 2900 Southern Blvd., Bronx, New York, 10458-5126, U.S.A.

    Robbin C. Moran

Authors
  1. José Miguel Chaves-Fallas
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  2. Robbin C. Moran
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  3. Federico Oviedo-Brenes
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Correspondence to José Miguel Chaves-Fallas.

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Chaves-Fallas, J.M., Moran, R.C. & Oviedo-Brenes, F. Serpocaulon ×rojasianum (Polypodiaceae): A new fern hybrid from Costa Rica. Brittonia 67, 185–190 (2015). https://doi.org/10.1007/s12228-015-9368-2

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  • DOI: https://doi.org/10.1007/s12228-015-9368-2

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