<?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>1405-2768</journal-id>
<journal-title><![CDATA[Polibotánica]]></journal-title>
<abbrev-journal-title><![CDATA[Polibotánica]]></abbrev-journal-title>
<issn>1405-2768</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-27682024000100023</article-id>
<article-id pub-id-type="doi">10.18387/polibotanica.57.2</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Flora arvense en regiones cafetaleras de la zona centro de Veracruz, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Weed flora composition in coffee regions in the central area of Veracruz, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Mayoral]]></surname>
<given-names><![CDATA[Luis Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Granados-Argüello]]></surname>
<given-names><![CDATA[Rafael Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Morgado]]></surname>
<given-names><![CDATA[Rosalío]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gálvez-Marroquín]]></surname>
<given-names><![CDATA[Luis Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barbosa-Moreno]]></surname>
<given-names><![CDATA[Finlandia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias  ]]></institution>
<addr-line><![CDATA[ Oaxaca]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias  ]]></institution>
<addr-line><![CDATA[Xalapa Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias  ]]></institution>
<addr-line><![CDATA[Xalapa Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<numero>57</numero>
<fpage>23</fpage>
<lpage>43</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-27682024000100023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-27682024000100023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-27682024000100023&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las arvenses son elementos importantes dentro de los cafetales de cualquier región productora, coexistiendo en diferentes grados con el cafeto y especies leñosas asociadas. El objetivo fue identificar las especies de arvenses presentes "en la principal zona productora de café en el estado de Veracruz, analizando siete regiones cafetaleras muestreando 27 sitios. Se registraron 167 morfotipos de arvenses, de las cuales se determinaron taxonómicamente 148 hasta nivel de especie pertenecientes a 52 familias botánicas. Las familias Asteraceae y Poaceae fueron las más ricas en especies con 20 y 21 respectivamente, seguidas de Lamiaceae con 8 especies, Convolvulaceae y Fabaceae cada una con 7 especies, Euphorbiaceae, Malvaceae y Solanaceae con seis especies cada una; las dos primeras familias acumulan alrededor de la mitad de los individuos registrados en todo el trabajo. Las familias con los valores más altos del Índice de Valor de Importancia (IVI) fueron: Commelinaceae, Asteraceae, Poaceae, Acanthaceae, Crassulaceae; las especies con mayor IVI fueron: Bidens pilosa, Commelina coelestis, Melampodium divaricatum, Pseudechinolaena polystachya y Commelina erecta. Se logró identificar que variables como la altitud y precipitación tienen una influencia significativa sobre la diversidad de especies de arvenses a lo largo de la zona centro del estado de Veracruz.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Herbaceous plants are important elements in coffee plantations of any producing region, coexisting in different degrees with coffee and woody plants. The objective of this study was to identify the principal herbaceous species present within one of the main coffee-producing strips in the state, analyzing seven coffee regions sampling 27 sites. 167 morphotypes were identified of which 148 were taxonomically determined to species level belonging to 52 botanical families. The families Asteraceae and Poaceae were the richest families with 20 and 21 species respectively; followed by Convolvulaceae and Fabaceae with 7 species each; and Euphorbiaceae, Lamiaceae and Solanaceae with six species each; the first two families have about the half of all individuals registered in the entire work. The families with the highest IVI were: Commelinaceae, Asteraceae, Poaceae, Acanthaceae, Crassulaceae; and the species with the highest IVI were: Bidens pilosa, Commelina coelestis, Melampodium divaricatum, Pseudechinolaena polystachya and Commelina erecta, respectively. The results showed that some variables such as altitude and precipitation have a significant influence on the diversity of weed species throughout the central zone of the state of Veracruz.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Sistemas agroforestales]]></kwd>
<kwd lng="es"><![CDATA[Biodiversidad]]></kwd>
<kwd lng="es"><![CDATA[Plantas herbáceas]]></kwd>
<kwd lng="es"><![CDATA[Café]]></kwd>
<kwd lng="en"><![CDATA[Agroforestry systems]]></kwd>
<kwd lng="en"><![CDATA[Biodiversity]]></kwd>
<kwd lng="en"><![CDATA[Herbaceous plants]]></kwd>
<kwd lng="en"><![CDATA[Coffee]]></kwd>
</kwd-group>
</article-meta>
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