<?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>2007-9028</journal-id>
<journal-title><![CDATA[Ecosistemas y recursos agropecuarios]]></journal-title>
<abbrev-journal-title><![CDATA[Ecosistemas y recur. agropecuarios]]></abbrev-journal-title>
<issn>2007-9028</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-90282023000100012</article-id>
<article-id pub-id-type="doi">10.19136/era.a10n1.3123</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Contribución al conocimiento de las licofitas y los helechos de Españita, Tlaxcala, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Contribution to the knowledge of lycophytes and ferns of Españita, Tlaxcala, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castañeda-Díaz]]></surname>
<given-names><![CDATA[Saúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Granados-Victorino]]></surname>
<given-names><![CDATA[Ro Linx]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-González]]></surname>
<given-names><![CDATA[Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Chapingo Preparatoria Agrícola Área de Biología]]></institution>
<addr-line><![CDATA[Chapingo Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma del Estado de Hidalgo Centro de Investigaciones Biológicas ]]></institution>
<addr-line><![CDATA[Mineral de la Reforma Hidalgo]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<volume>10</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282023000100012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282023000100012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282023000100012&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La falta de un listado completo de las licofitas y los helechos del estado de Tlaxcala motivó el presente trabajo, el objetivo fue documentar la riqueza de la pteridoflora de dicha entidad. De 2013 a 2018 se recolectaron 34 números de licofitas y helechos en el municipio de Españita; las plantas se herborizaron, identificaron y depositaron en el Herbario Jorge Espinoza Salas (JES). Los ejemplares corresponden a 8 familias, 15 géneros y 23 taxones; de estas, 2 son del género Selaginella P. Beauv. A partir de la información de las fuentes consultadas, se elaboró una lista de 58 taxones de la entidad, lo que implica que en Españita se encuentra el 39.6% de los taxones conocidos en Tlaxcala. De estos, 2 son nuevos registros: Marsilea mollis B. L. Rob. &amp; Fernald y Polypodium guttatum Maxon. 20 taxones son de hábito terrestre; 2, son epífitas, y 1, acuático. La vegetación con mayor riqueza son los bosques, dominados en el dosel por Quercus spp. y Juniperus deppeana Steud. Pese a que la mayor proporción de la vegetación de Españita es secundaria, es posible encontrar en ella una riqueza considerable de especies susceptibles de ser conservadas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The non-existence of a complete list of lycophytes and ferns for the state of Tlaxcala motivated this work, whose objective is to document the richness of pteridoflora existing in Tlaxcala state. From 2013 to 2018, the collection of 34 numbers of lycophytes and ferns was carried out in the municipality of Españita, the plants were herbalized, identified and deposited in the Jorge Espinoza Salas (JES) Herbarium, the specimens corresponds to eight families, 15 genera and 23 taxa. Of these, two taxa are of the genus Selaginella P. Beauv. From the sources consulted, a list of 58 taxa was prepared for the state, which implies that 39.6% of the taxa known in the entity are found in the municipality of Españita. Of these, two are new records for the state: Marsilea mollis B.L. Rob. &amp; Fernald and Polypodium guttatum Maxon. 20 taxa are terrestrial; two, epiphytes, and one, aquatic. The types of vegetation with more taxa are the forests of Quercus spp. and Juniperus deppeana Steud. Although the vegetation of the municipality of Españita is secondary vegetation, it is possible to find in it a considerable richness of species capable of being conserved.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Helechos]]></kwd>
<kwd lng="es"><![CDATA[Marsilea mollis]]></kwd>
<kwd lng="es"><![CDATA[nuevos registros]]></kwd>
<kwd lng="es"><![CDATA[Polypodium guttatum]]></kwd>
<kwd lng="es"><![CDATA[pteridoflora]]></kwd>
<kwd lng="es"><![CDATA[riqueza florística]]></kwd>
<kwd lng="en"><![CDATA[Ferns]]></kwd>
<kwd lng="en"><![CDATA[Marsilea mollis]]></kwd>
<kwd lng="en"><![CDATA[new records]]></kwd>
<kwd lng="en"><![CDATA[Polypodium guttatum]]></kwd>
<kwd lng="en"><![CDATA[pteridophyte flora]]></kwd>
<kwd lng="en"><![CDATA[floristic richness]]></kwd>
</kwd-group>
</article-meta>
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