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Polibotánica
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ARREGUIN-SANCHEZ, María de la Luz; QUIROZ-GARCIA, David Leonor  and  FERNANDEZ-NAVA, Rafael. Pteridofitas extintas o raras del Valle de México. Polibotánica [online]. 2009, n.27, pp.17-29. ISSN 1405-2768.


 


 

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