<?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>0366-5232</journal-id>
<journal-title><![CDATA[Caldasia]]></journal-title>
<abbrev-journal-title><![CDATA[Caldasia]]></abbrev-journal-title>
<issn>0366-5232</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Ciencias Naturales, Facultad de Ciencias-Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0366-52322018000100054</article-id>
<article-id pub-id-type="doi">10.15446/caldasia.v40n1.68658</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Riqueza y afinidades geográficas de la flora de un bosque de Abies religiosa de la Faja Volcánica Transmexicana]]></article-title>
<article-title xml:lang="en"><![CDATA[Richness and geographical affinities of an Abies religiosa&#8217;s forest from the Transmexican Volcanic Belt]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zepeda-Gómez]]></surname>
<given-names><![CDATA[Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Burrola-Aguilar]]></surname>
<given-names><![CDATA[Cristina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrada-Zúñiga]]></surname>
<given-names><![CDATA[María Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[White-Olascoaga]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de México Facultad de Ciencias ]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma del Estado de México  ]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>40</volume>
<numero>1</numero>
<fpage>54</fpage>
<lpage>70</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0366-52322018000100054&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0366-52322018000100054&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0366-52322018000100054&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Los bosques de oyamel (Abies religiosa) del centro de México han estado sometidos a fuertes presiones humanas y la información sobre su riqueza y la afinidad geográfica de su flora en algunas regiones ha sido poco estudiada. Mediante recorridos de campo y colectas de ejemplares botánicos, se determinó la composición florística y los patrones de distribución geográfica actual de las familias, géneros y especies de un bosque de oyamel localizado en la Faja Volcánica Transmexicana. Se obtuvo una lista de 94 especies agrupadas en 74 géneros y 42 familias. El 67 % de la flora se concentra en 13 familias de las que Asteraceae destaca por contener el mayor número de especies (24,5 %) y géneros (22 %). La similitud florística entre la zona de estudio y bosques vecinos se incrementa con la cercanía geográfica. El 60 % de las familias son de amplia distribución y cerca del 50 % de los géneros son americanos distribuidos principalmente de México a Centroamérica. El 95,8 % de las especies son exclusivas de América, de las cuales el 44,2 % se encuentran solo en los límites de México y 36,8 % se distribuyen de México a Centroamérica. Entre las especies arbóreas predominan los elementos distribuidos de México a Centroamérica (61,4 %), mientras que entre los arbustos y hierbas sobresalen las especies endémicas de México (60 % y 43,6 %, respectivamente). La alta proporción de especies endémicas de la zona analizada demandan monitoreo continuo que garantice la generación de nuevas alternativas para su conservación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Fir forests (Abies religiosa) in central Mexico have been subjected to strong human pressures and their richness and the geographic affinity of their flora in some regions have been poorly analyzed. Through field trips and collections of botanical specimens, the floristic composition and patterns of current geographical distribution of families, genera and species were determined of a fir forest located in the Transmexican Volcanic Belt. We obtained a list of 94 species grouped in 74 genera and 42 families. 67 % of the flora is grouped in 13 families of which Asteraceae family stands out for gather the largest number of species (24.5 %) and genera (22 %). The floristic similarity between the study area and neighboring forests increases with geographical proximity. 60 % of the families have a widespread distribution, while 50 % of the genera are exclusive of the Americas, distributed mainly from Mexico to Central America. At the species level 95.8 % have American distribution, of which 44.2 % are found only in Mexico and 36.8 % from Mexico to Central America. Among the tree species 61.4 % elements are from Mexico to Central America, while the shrubs and herbs are mainly endemic species to Mexico (60 % and 43.6 % respectively). The high proportion of endemic species in the analyzed fir forest; require continuous monitoring to ensure the generation of new alternatives for its conservation.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Bosque de oyamel]]></kwd>
<kwd lng="es"><![CDATA[distribución geográfica]]></kwd>
<kwd lng="es"><![CDATA[fitogeografía]]></kwd>
<kwd lng="es"><![CDATA[florística]]></kwd>
<kwd lng="es"><![CDATA[mariposa monarca]]></kwd>
<kwd lng="en"><![CDATA[Fir forest]]></kwd>
<kwd lng="en"><![CDATA[floristic]]></kwd>
<kwd lng="en"><![CDATA[geographical distribution]]></kwd>
<kwd lng="en"><![CDATA[monarch butterfly]]></kwd>
<kwd lng="en"><![CDATA[phytogeography]]></kwd>
</kwd-group>
</article-meta>
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