<?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>S1870-34532025000100102</article-id>
<article-id pub-id-type="doi">10.22201/ib.20078706e.2025.96.5505</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Floristic richness comparison among the Mexican states]]></article-title>
<article-title xml:lang="es"><![CDATA[Comparación de la riqueza florística entre los estados de México]]></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-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>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<volume>96</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532025000100102&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532025000100102&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532025000100102&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The number of native vascular plant species recorded in each of the 32 Mexican states was evaluated to identify and compare their floristic richness values and determine their floristic similarities. The floristic richness was further segregated to estimate the proportions documented for each of the 5 main biomes recognized in the country. We assumed that the floristic composition in the Mexican states follows a geographical association and that geographically close states will show assemblages defined by their floristic elements. The state of Oaxaca recorded the highest richness in all of Mexico and 3 biomes (Humid Mountain Forest, Temperate Forest, and Seasonally Dry Tropical Forest). Chiapas had the highest number of Tropical Humid Forest species, while Coahuila had the highest richness of Xerophytic Scrub species. Floristic similarities allowed the identification of well-defined groups, either when considering total floristic richness or when analyzing each of the main biomes. The floristic similarity is highly congruent between states with geographical proximity.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se evaluó el número de especies de plantas vasculares nativas registradas en cada uno de los 32 estados mexicanos para identificar y comparar sus valores de riqueza florística, así como para determinar las similitudes florísticas entre ellos. Se segregó la riqueza para saber qué proporciones se documentan para cada uno de los 5 principales biomas reconocidos en el país. Postulamos que la composición florística en los estados mexicanos sigue una asociación geográfica y que los estados geográficamente cercanos entre sí mostrarán conjuntos definidos por sus elementos florísticos. Oaxaca destaca como el estado con la mayor riqueza total y la de 3 biomas (Bosque Húmedo de Montaña, Bosque Templado y Bosque Tropical Estacionalmente Seco). Chiapas contiene la mayor cantidad de especies del Bosque Tropical Húmedo, mientras que Coahuila ocupa el primer lugar por su número de especies del Matorral Xerófilo. Las similitudes permitieron identificar grupos florísticos bien definidos, independientemente de si se analizaba toda la riqueza florística o la documentada en cada uno de los principales biomas. Se observa una congruencia entre la proximidad geográfica de los estados y su similitud florística.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Biomes]]></kwd>
<kwd lng="en"><![CDATA[Floristic richness]]></kwd>
<kwd lng="en"><![CDATA[Floristic similarity]]></kwd>
<kwd lng="en"><![CDATA[Vascular plants]]></kwd>
<kwd lng="en"><![CDATA[Regionalization]]></kwd>
<kwd lng="es"><![CDATA[Biomas]]></kwd>
<kwd lng="es"><![CDATA[Riqueza florística]]></kwd>
<kwd lng="es"><![CDATA[Similitud florística]]></kwd>
<kwd lng="es"><![CDATA[Plantas vasculares]]></kwd>
<kwd lng="es"><![CDATA[Regionalización]]></kwd>
</kwd-group>
</article-meta>
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