<?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>0187-7151</journal-id>
<journal-title><![CDATA[Acta botánica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Act. Bot. Mex]]></abbrev-journal-title>
<issn>0187-7151</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Ecología A.C., Centro Regional del Bajío]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-71512021000100203</article-id>
<article-id pub-id-type="doi">10.21829/abm128.2021.1823</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Thirteen new weeds on Cedros Island, Baja California, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Trece malezas nuevas en Isla Cedros, Baja California, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vanderplank]]></surname>
<given-names><![CDATA[Sula E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rebman]]></surname>
<given-names><![CDATA[Jon P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Pronatura Noroeste  ]]></institution>
<addr-line><![CDATA[Ensenada ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,San Diego Natural History Museum  ]]></institution>
<addr-line><![CDATA[San Diego CA]]></addr-line>
<country>USA</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<numero>128</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-71512021000100203&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-71512021000100203&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-71512021000100203&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background and Aims: Cedros Island is the southernmost outpost of the California Floristic Province, the largest island in the Californian archipelago, and home to a suite of endemic plants and animals. As such, it is an important resource within the Pacific Islands Biosphere Reserve, with many management concerns. The goal of this study was to document newly arrived plant species on Cedros Island, Baja California, Mexico.  Methods: From the 8th to the 11th February 2019 we visited Cedros Island and made observations of plants around Cedros Village using the platform NaturaLista (iNaturalist).  Key results:  Thirteen new plant taxa were detected around Cedros village, all were non-native. These discoveries follow a very recently published checklist on the flora and suggest that new non-native plants are arriving rapidly.  Conclusions:  Recommended management implications include monitoring and eradication of new species, particularly at inhabited areas, and with priority given to highly invasive species such as Cenchrus setaceus and C. ciliaris.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Antecedentes y Objetivos: Isla Cedros es el límite sur de la Provincia Florística de California, la isla más grande en el archipiélago californiano, y hogar de varias plantas y animales endémicos. Como tal es un recurso importante dentro de la Reserva de la Biosfera Islas del Pacífico de la Península de Baja California con muchos desafíos de manejo. El objetivo de este estudio es documentar las especies de plantas recién llegadas a Isla Cedros, Baja California, México.  Métodos: Entre el 8 y el 11 de febrero 2019, visitamos la Isla Cedros e hicimos observaciones usando la plataforma NaturaLista (iNaturalist).  Resultados clave: Trece nuevos taxa de plantas fueron detectados cerca del pueblo de Cedros, y todos eran no-nativos. Estos descubrimientos siguen la muy reciente publicación de un listado florístico, sugiriendo que las nuevas especies no-nativas son de reciente establecimiento.  Conclusiones: Las implicaciones recomendadas para el manejo de la isla incluyen el monitoreo y la erradicación de estas especies nuevas, particularmente en áreas habitadas, dando prioridad a las especies más invasivas como Cenchrus setaceus y C. ciliaris.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[biosecurity]]></kwd>
<kwd lng="en"><![CDATA[Cenchrus]]></kwd>
<kwd lng="en"><![CDATA[eradication]]></kwd>
<kwd lng="en"><![CDATA[invasive flora]]></kwd>
<kwd lng="en"><![CDATA[Island Cedros]]></kwd>
<kwd lng="es"><![CDATA[bioseguridad]]></kwd>
<kwd lng="es"><![CDATA[Cenchrus]]></kwd>
<kwd lng="es"><![CDATA[erradicación]]></kwd>
<kwd lng="es"><![CDATA[flora invasiva]]></kwd>
<kwd lng="es"><![CDATA[Isla Cedros]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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