<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0187-7151</journal-id>
<journal-title><![CDATA[Acta botánica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Act. Bot. Mex]]></abbrev-journal-title>
<issn>0187-7151</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Ecología A.C., Centro Regional del Bajío]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-71512018000300001</article-id>
<article-id pub-id-type="doi">10.21829/abm124.2018.1300</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Adiciones a la pteridoflora de Tabasco, México: la importancia del bosque mesófilo de montaña]]></article-title>
<article-title xml:lang="en"><![CDATA[Additions to the pteridoflora of Tabasco, Mexico: the importance of the humid montane forest]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carvajal-Hernández]]></surname>
<given-names><![CDATA[César I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva-Mijangos]]></surname>
<given-names><![CDATA[Libertad]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kessler]]></surname>
<given-names><![CDATA[Michael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lehnert]]></surname>
<given-names><![CDATA[Marcus]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Veracruzana Instituto de Investigaciones Biológicas ]]></institution>
<addr-line><![CDATA[Xalapa Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ciencias y Artes de Chiapas sede Mapastepec ]]></institution>
<addr-line><![CDATA[ Chiapas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,University of Zurich Institute of Systematic and Evolutionary Botany ]]></institution>
<addr-line><![CDATA[Zurich ]]></addr-line>
<country>Switzerland</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,University of Bonn Nees Institute for Biodiversity of Plants ]]></institution>
<addr-line><![CDATA[Bonn ]]></addr-line>
<country>Germany</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<numero>124</numero>
<fpage>0</fpage>
<lpage>0</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-71512018000300001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-71512018000300001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-71512018000300001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Antecedentes y Objetivos:  El ejido Villa de Guadalupe del municipio Huimanguillo, Tabasco, mantiene el único fragmento de bosque mesófilo de montaña en el estado, mismo que ha sido florísticamente poco explorado. Este estudio se suma a otros anteriormente publicados, donde los reportes de nuevos registros aumentan considerablemente la riqueza de especies de helechos y licopodios conocidas hasta ahora para Tabasco. El objetivo principal es actualizar el conocimiento de la pteridoflora de la entidad, enfatizando la importancia del bosque mesófilo de montaña.  Métodos:  Se realizaron colectas al azar de helechos epífitos y terrestres en la cara norte y noreste del cerro Las Flores (450-1000 m s.n.m.) en el municipio Huimanguillo. Los especímenes fueron identificados principalmente mediante claves taxonómicas y distribuidos en herbarios nacionales y extranjeros.  Resultados clave:  Se registraron en total 64 especies de helechos y licopodios. Las familias mejor representadas fueron Polypodiaceae, Dryopteridaceae e Hymenophyllaceae. Se destaca el registro de 30 especies que no habían sido reportadas previamente en el estado de Tabasco. Para los géneros Cochlidium, Elaphoglossum, Hypolepis, Odontosoria, Parapolystichum, Polytaenium, Saccoloma y Sphaeropteris, este es el primer reporte para la entidad.  Conclusiones: Las nuevas adiciones a la pteridoflora de Tabasco proporcionan un recuento de 169 especies para el estado, lo cual actualiza la información conocida hasta ahora (137 especies) y manifiesta la necesidad de continuar con la realización de inventarios florísticos regionales. El presente estudio representa uno de los pocos trabajos publicados que documentan la riqueza de un grupo taxonómico en específico en el bosque mesófilo de montaña del estado.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background and Aims:  The ejido Villa de Guadalupe of the municipality of Huimanguillo, Tabasco, contains the only fragment of humid montane forest in the state, which has been little explored floristically. This study is an addition to those previously published, where reports of new records increase considerably the richness of fern species known so far for Tabasco state. The main objective is to update the knowledge of the pteridophyte flora of this state, emphasizing the importance of the humid montane forest.  Methods:  Epiphytic and terrestrial fern collections were made randomly on the north and northeast face of the Las Flores mountain (450-1000 m a.s.l.) in the municipality of Huimanguillo. Specimens were identified mainly by dichotomous keys and distributed to national and foreign herbaria.  Key results: A total of 64 species of ferns and lycopods were recorded. The best represented families were Polypodiaceae, Dryopteridaceae and Hymenophyllaceae. We highlight the records of 30 species that had not previously been reported in the state of Tabasco. Even of the genera Cochlidium, Elaphoglossum, Hypolepis, Odontosoria, Parapolystichum, Polytaenium, Saccoloma and Sphaeropteris, this is the first report for the state.  Conclusions: The new additions to the pteridophyte flora of Tabasco lead to a count of 169 species for the state, which updates the information known so far (137 species) and shows the need of continued regional floristic inventories. The present study represents one of the few published papers that document the richness of a specific taxonomic group in the humid montane forest of the state.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[helechos]]></kwd>
<kwd lng="es"><![CDATA[Huimanguillo]]></kwd>
<kwd lng="es"><![CDATA[inventario florístico]]></kwd>
<kwd lng="es"><![CDATA[licopodios]]></kwd>
<kwd lng="es"><![CDATA[nuevos registros]]></kwd>
<kwd lng="es"><![CDATA[Pteridofitas]]></kwd>
<kwd lng="en"><![CDATA[ferns]]></kwd>
<kwd lng="en"><![CDATA[floristic inventory]]></kwd>
<kwd lng="en"><![CDATA[Huimanguillo]]></kwd>
<kwd lng="en"><![CDATA[lycopods]]></kwd>
<kwd lng="en"><![CDATA[new records]]></kwd>
<kwd lng="en"><![CDATA[pteridophytes]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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