<?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>1870-3453</journal-id>
<journal-title><![CDATA[Revista mexicana de biodiversidad]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Biodiv.]]></abbrev-journal-title>
<issn>1870-3453</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-34532023000100107</article-id>
<article-id pub-id-type="doi">10.22201/ib.20078706e.2023.94.5282</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Riqueza y endemismo de la flora vascular de Guanajuato, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Richness and endemism of the vascular flora of Guanajuato, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villaseñor]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz]]></surname>
<given-names><![CDATA[Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Barrios]]></surname>
<given-names><![CDATA[Rocío]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Murguía-Romero]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Biología Departamento de Botánica]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Biología Unidad de Informática para la Biodiversidad]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>94</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532023000100107&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532023000100107&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532023000100107&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las bases de datos florísticos constituyen herramientas clave para enriquecer el conocimiento sobre la diversidad vegetal de una región. Considerando la información que aportan, se llevó a cabo el registro de las plantas endémicas y características del estado de Guanajuato, dentro de una cuadrícula de 1° × 1° de latitud y longitud, con el objetivo de evaluar sus patrones de riqueza y sus similitudes florísticas. Los registros de presencia de las especies reportadas en la literatura para Guanajuato, se analizaron junto con las bases de datos en el Sistema Nacional de Información sobre Biodiversidad (SNIB), de la Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (Conabio) y la del Instituto de Biología, de la Universidad Nacional Autónoma de México (UNAM). A partir de 29,897 registros únicos, se registraron 3,065 especies de plantas vasculares, distribuidas en 997 géneros, 187 familias y 54 órdenes. De ellas 1,174 especies son endémicas de México y 356 se consideran características del estado. Se determinaron 2 grupos florísticos (fitocorias) para el estado. Se discute cómo el conocimiento sobre la riqueza y el endemismo de una región o estado es fundamental para proponer regionalizaciones y estrategias para la conservación de la flora.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Floristic databases are key tools to enrich the knowledge about the plant diversity of a region. Considering the information they provide, a review of the endemic plants of the state of Guanajuato, as well as their state characteristics was carried out within grid cells of 1° × 1° of latitude and longitude. The objective was to evaluate richness patterns and floristic similarities among grid cells. The records of the species presence reported in the literature were analyzed together with the information from databases in the National Information System on Biodiversity (SNIB) of the National Commission for the Knowledge and Use of Biodiversity (CONABIO) and the scientific collections of the Institute of Biology, National Autonomous University of Mexico (UNAM). From 29,897 unique records, 3,065 species of vascular plants were recognized for the state, distributed in 997 genera, 187 families, and 54 orders. Of these, 1,174 species are endemic to Mexico and 356 are considered characteristic of the state. Two main floristic groups (phytochoria) were determined for the state. Evidence is shown to support the argument that knowledge about the richness and endemism of a region or state is essential to propose regionalizations and strategies for its flora conservation.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Bases de datos]]></kwd>
<kwd lng="es"><![CDATA[Biogeografía]]></kwd>
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<kwd lng="es"><![CDATA[Similitud florística]]></kwd>
<kwd lng="en"><![CDATA[Databases]]></kwd>
<kwd lng="en"><![CDATA[Biogeography]]></kwd>
<kwd lng="en"><![CDATA[Floristic inventories]]></kwd>
<kwd lng="en"><![CDATA[Floristic similarity]]></kwd>
</kwd-group>
</article-meta>
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