<?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>2007-4298</journal-id>
<journal-title><![CDATA[Botanical Sciences]]></journal-title>
<abbrev-journal-title><![CDATA[Bot. sci]]></abbrev-journal-title>
<issn>2007-4298</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Botánica de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-42982022000200469</article-id>
<article-id pub-id-type="doi">10.17129/botsci.2864</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diversidad de plantas vasculares de la Provincia Fisiográfica de la Sierra Madre Oriental, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Diversity of vascular plants of the Physiographic Province of the Sierra Madre Oriental, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salinas-Rodríguez]]></surname>
<given-names><![CDATA[María Magdalena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Sandoval]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrillo-Reyes]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-Gómez]]></surname>
<given-names><![CDATA[Hugo Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro-Castro]]></surname>
<given-names><![CDATA[Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrada-Castillón]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Figueroa-Martínez]]></surname>
<given-names><![CDATA[Dante Samuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Escamilla]]></surname>
<given-names><![CDATA[Ivonne Nayeli]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Elizondo]]></surname>
<given-names><![CDATA[Martha]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Ortega]]></surname>
<given-names><![CDATA[José Said]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Rendón]]></surname>
<given-names><![CDATA[Julián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Munguía-Lino]]></surname>
<given-names><![CDATA[Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[De-Nova]]></surname>
<given-names><![CDATA[José Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz-Brunel]]></surname>
<given-names><![CDATA[Juan Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rubio-Méndez]]></surname>
<given-names><![CDATA[Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz-Sánchez]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Sánchez]]></surname>
<given-names><![CDATA[Cristóbal]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sandoval-Mata]]></surname>
<given-names><![CDATA[Tecoatlayopeuh Nelly]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soltero-Quintana]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Steinmann]]></surname>
<given-names><![CDATA[Victor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valencia-A]]></surname>
<given-names><![CDATA[Susana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zamudio-Ruíz]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Querétaro Facultad de Ciencias Naturales ]]></institution>
<addr-line><![CDATA[Juriquilla Querétaro]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de Ciencias Biológicas y Agropecuarias ]]></institution>
<addr-line><![CDATA[Zapopan Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Politécnico Nacional Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional ]]></institution>
<addr-line><![CDATA[Durango Durango]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ciencias Forestales ]]></institution>
<addr-line><![CDATA[Linares Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Autónoma Metropolitana  ]]></institution>
<addr-line><![CDATA[Iztapalapa Ciudad de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad de Chiba Facultad de Ciencias Laboratorio de Ecología de Comunidades]]></institution>
<addr-line><![CDATA[Chiba Región de Kant&#333;]]></addr-line>
<country>Japan</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Universidad Autónoma de San Luis Potosí Instituto de Investigación de Zonas Desérticas ]]></institution>
<addr-line><![CDATA[San Luis Potosí San Luis Potosí]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,Jardín Etnobotánico Francisco Peláez R.  ]]></institution>
<addr-line><![CDATA[San Andrés Cholula Puebla]]></addr-line>
<country>México</country>
</aff>
<aff id="Af9">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Ciencias ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="A10">
<institution><![CDATA[,Pátzcuaro  ]]></institution>
<addr-line><![CDATA[Pátzcuaro Michoacán]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>100</volume>
<numero>2</numero>
<fpage>469</fpage>
<lpage>492</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-42982022000200469&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-42982022000200469&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-42982022000200469&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes:  La Sierra Madre Oriental es una Provincia Fisiográfica ubicada en el noreste de México con características geológicas, climáticas y edáficas distintivas. La flora de esta región aún no ha sido inventariada en conjunto.  Preguntas:  ¿Cuál es la diversidad florística de la Provincia Fisiográfica de la Sierra Madre Oriental? ¿Cuál es la afinidad geográfica de sus géneros?  Sitio y años de estudio:  Provincia Fisiográfica de la Sierra Madre Oriental. El trabajo se desarrolló desde agosto del 2012 a diciembre del 2020.  Métodos:  Se hizo una búsqueda exhaustiva de información en diversas fuentes como herbarios, bases de datos, trabajos florísticos y monografías. Para cada especie, se registró la vegetación, afinidad geográfica del género y endemismo.  Resultados:  Se registran 6,981 especies de las cuales 1,542 son endémicas. Las familias más ricas en especies son Asteraceae (1,000 especies), Fabaceae (495), Cactaceae (365) y Poaceae (328). Los bosques templados registran el mayor número de especies (2,906). Querétaro fue el estado con más especies (2,803), seguido de Coahuila (2,710) y Nuevo León (2,406). La Sierra Madre Oriental comprende una mayor cantidad de especies con géneros de afinidad geográfica boreal (2,742), seguidas por especies de afinidad tropical (2,020), especies endémicas de México (1,227), cosmopolitas (803) y de los desiertos del mundo (189).  Conclusiones:  La Sierra Madre Oriental alberga más de la cuarta parte de la flora vascular y un 13 % de las plantas endémicas del país. Es un área que reúne géneros de diferentes afinidades geográficas en su mayoría boreales, seguidos de tropicales y endémicos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  The Sierra Madre Oriental is a Physiographic Province located in northeastern Mexico and has distinctive geological, climatic, and edaphic characteristics. The flora in this region has not been inventoried as a whole.  Question:  What is the floristic diversity of the Physiographic Province of the Sierra Madre Oriental? What is the geographic affinity of its genera?  Site and years of study:  The Physiographic province of the Sierra Madre Oriental. The work was conducted from August 2012 to December 2020.  Methods:  An exhaustive search for information was carried out using various sources such as herbaria, databases, floristic works, and monographs. To each species was registered the type of vegetation, geographic affinity and endemism.  Results:  A total of 6,981 species are registered; 1,542 are endemic to the Sierra Madre Oriental. The most diversity families were Asteraceae (1,000 species), Fabaceae (495), Cactaceae (365) and Poaceae (328). The temperate forests housed the greatest number of species (2,906). Querétaro was the richest state (2,803), followed by Coahuila with (2,710) and Nuevo León (2,406). The greatest number of genera of the species in the Sierra Madre Oriental have geographical boreal affinity (2,742), followed by species with tropical affinity (2,020), endemics to Mexico (1,227), with a cosmopolitan distribution (803), and from the deserts of the world (189).  Conclusions:  The Sierra Madre Oriental is home to more than a quarter of the vascular flora and 13 % of the endemic plants from Mexico. The area combines genera of different geographic affinities, mostly boreal, followed by tropical and endemic.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Endemismo]]></kwd>
<kwd lng="es"><![CDATA[flora]]></kwd>
<kwd lng="es"><![CDATA[inventario]]></kwd>
<kwd lng="es"><![CDATA[montaña]]></kwd>
<kwd lng="es"><![CDATA[vegetación]]></kwd>
<kwd lng="en"><![CDATA[Endemism]]></kwd>
<kwd lng="en"><![CDATA[flora]]></kwd>
<kwd lng="en"><![CDATA[inventory]]></kwd>
<kwd lng="en"><![CDATA[mountain]]></kwd>
<kwd lng="en"><![CDATA[vegetation]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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