<?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>S0187-71512020000100111</article-id>
<article-id pub-id-type="doi">10.21829/abm127.2020.1584</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Las comunidades vegetales del bosque de coníferas altimontano en el macizo del Tancítaro, Michoacán, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Plant communities of high mountain coniferous forest in the Tancítaro massif, Michoacán, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medina García]]></surname>
<given-names><![CDATA[Consuelo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Giménez de Azcárate]]></surname>
<given-names><![CDATA[Joaquín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velázquez Montes]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Centro de Investigaciones en Geografía Ambiental ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Santiago de Compostela Departamento de Botánica ]]></institution>
<addr-line><![CDATA[Lugo ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<numero>127</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-71512020000100111&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-71512020000100111&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-71512020000100111&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Antecedentes y Objetivos:  El límite superior del bosque es un ecosistema que alberga comunidades herbáceas y forestales con singular presencia de endemismos y con una función relevante en la captación, recarga y transporte de agua, lo que los define como nodos de provisión de bienes y servicios ambientales. Lo anterior es de particular significado en las montañas intertropicales por ser las que resguardan un banco de germoplasma oriundo significativamente elevado. Ese es el caso del Pico del Tancítaro y volcanes circundantes, región de estudio comprendida entre 2600 y 3800 m de altitud en Michoacán, México. Este trabajo tuvo como objetivo central definir y caracterizar la diversidad florística y fitocenótica, así como las pautas de distribución de las asociaciones vegetales a lo largo del gradiente altitudinal.  Métodos:  Se realizaron 35 inventarios siguiendo la metodología fitosociológica; en ellos se registraron las especies, su cobertura y los atributos físico-geográficos del sitio muestreado. La información de campo fue corroborada en gabinete; para asegurar los aspectos de identificación florística se utilizó preferentemente la &#8220;Flora del Bajío y de regiones adyacentes&#8221;. Los datos fueron analizados utilizando técnicas de agrupamiento multivariadas para poder definir las asociaciones vegetales.  Resultados clave:  Los 35 inventarios se consideraron como base para armar las tablas de vegetación que soportan las siguientes asociaciones vegetales: Gaultherio myrsinoidis-Pinetum hartwegii, Polysticho speciosissimae-Abietetum religiosae y Sibthorpio repentis-Abietetum religiosae; así como otras de rango menor. Para cada asociación se abordaron cuestiones de estructura, composición, ecología, distribución y relación con los pisos bioclimáticos y con otras asociaciones próximas.  Conclusiones: Las combinaciones florísticas propias de las asociaciones reflejan las variaciones ambientales que se suceden en el gradiente altitudinal, incluyendo las causadas por perturbación natural y/o antrópica. Dichas asociaciones permiten tipificar la heterogeneidad fitocenótica del bosque estudiado y su papel como proveedoras de servicios ambientales y de biodiversidad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background and Aims:  The timberline occurs as an ecosystem harboring unique forest and grassland types comprising outstanding endemic species. These vegetation types, furthermore, are the centers of capturing, recharging and transporting water so that these are regarded as provider´s nodes of environmental services. This is even more significant in intertropical mountains since these harbor large genetic reservoirs. This is the case of the Pico del Tancítaro and surrounding volcanoes, a region between 2600 and 3800 m elevation, in Michoacán, Mexico. The present study aimed to define and characterize the floristic and phytocenotic diversity, as well as recognize distribution patterns of the plant associations along the elevational gradient.  Methods:  Thirty five inventories were carried out following the phytosociological approach. At each inventory, a list of species, their coverage, and physical and geographical attributes of the site were compiled. Field information was later verified in the laboratory to ensure species identification; &#8220;Flora del Bajío y regiones adyacentes&#8221; was preferably consulted. Data were further analyzed via multivariate techniques in order to define plant associations.  Key results: The 35 inventories were considered as a basis to assemble the vegetation tables that support three plant associations: Gaultherio myrsinoidis-Pinetum hartwegii, Polysticho speciosissimae-Abietetum religiosae and Sibthorpio repentis-Abietetum religiosae; as well as other units of lower rank. For each one, issues, such as structure, composition, ecology, distribution and relationship with bioclimatic belts and other nearby associations were addressed.  Conclusions: The floristic combinations of the associations reflect environmental variations that occur along the altitudinal gradient, including those caused by natural and/or anthropic disturbance. These associations permit a clear classification of the phytocenotic heterogeneity in the forest studied, and confirm its role of environmental service providers and biodiversity.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[asociaciones vegetales]]></kwd>
<kwd lng="es"><![CDATA[Faja Volcánica]]></kwd>
<kwd lng="es"><![CDATA[fitosociología]]></kwd>
<kwd lng="es"><![CDATA[pinar]]></kwd>
<kwd lng="es"><![CDATA[oyametal]]></kwd>
<kwd lng="en"><![CDATA[phytosociology]]></kwd>
<kwd lng="en"><![CDATA[fir forest]]></kwd>
<kwd lng="en"><![CDATA[pine forest]]></kwd>
<kwd lng="en"><![CDATA[plant associations]]></kwd>
<kwd lng="en"><![CDATA[Volcanic Belt]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Almeida]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Cleef]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Herrera]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Luna]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El zacatonal alpino de la vertiente NW del volcán Popocatépetl, México y su posición en las montañas tropicales de América]]></article-title>
<source><![CDATA[Phytocoenologia]]></source>
<year>1994</year>
<volume>22</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>391-46</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Almeida]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Azcárate]]></surname>
<given-names><![CDATA[J. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Cleef]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[González-Trápaga]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Las comunidades vegetales del zacatonal alpino de los Volcanes Popocatépetl y Nevado de Toluca, Región Central de México]]></article-title>
<source><![CDATA[Phytocoenología]]></source>
<year>2004</year>
<volume>34</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>91-132</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arriaga]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Espinoza]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Loa]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Regiones terrestres prioritarias de México]]></source>
<year>2000</year>
<page-range>609</page-range><publisher-loc><![CDATA[México, D.F. , México ]]></publisher-loc>
<publisher-name><![CDATA[Comisión Nacional para el Conocimiento y Uso de la Biodiversidad]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Beaman]]></surname>
<given-names><![CDATA[J. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vascular plants on the cinder cone of Paricutín volcano in 1958]]></article-title>
<source><![CDATA[Rhodora]]></source>
<year>1960</year>
<volume>62</volume>
<page-range>175-86</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Beaman]]></surname>
<given-names><![CDATA[J. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The timberline of Iztaccíhuatl and Popocatépetl, Mexico]]></article-title>
<source><![CDATA[Ecology]]></source>
<year>1962</year>
<volume>43</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>377-85</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bello]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Labat]]></surname>
<given-names><![CDATA[J. N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Los Encinos (Quercus) del Estado de Michoacán, México]]></source>
<year>1987</year>
<page-range>93</page-range><publisher-loc><![CDATA[México, D.F., México ]]></publisher-loc>
<publisher-name><![CDATA[Centre d&#8217;Etudes Mexicaines et Centramericaines]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bocco]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Siebe]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Managing natural resources in developing countries]]></article-title>
<source><![CDATA[Conservation Voices]]></source>
<year>1998</year>
<volume>16</volume>
<page-range>71-84</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bocco]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendoza]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Remote sensing and GIS-based regional geomorphologic mapping - A tool for land use planning in developing countries]]></article-title>
<source><![CDATA[Geomorphology]]></source>
<year>2001</year>
<volume>39</volume>
<numero>3-4</numero>
<issue>3-4</issue>
<page-range>211-9</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Braun-Blanquet]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Fitosociología. Bases para el estudio de las comunidades vegetales]]></source>
<year>1979</year>
<page-range>820</page-range><publisher-loc><![CDATA[Madrid, España ]]></publisher-loc>
<publisher-name><![CDATA[Ediciones Blume.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<collab>CONABIO</collab>
<source><![CDATA[Regiones Terrestres Prioritarias]]></source>
<year>1999</year>
<publisher-loc><![CDATA[México, D.F., México ]]></publisher-loc>
<publisher-name><![CDATA[Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<collab>CONANP</collab>
<source><![CDATA[Estudio previo justificativo para la recategorización del Parque Nacional Pico de Tancítaro como Área de Protección de Flora y Fauna, Michoacán, México]]></source>
<year>2008</year>
<page-range>132</page-range><publisher-loc><![CDATA[México, D.F., México ]]></publisher-loc>
<publisher-name><![CDATA[Comisión Nacional de Áreas Naturales Protegidas (CONANP)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cornejo-Tenorio]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Casas]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Farfán]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Villaseñor]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ibarra]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Flora y vegetación de las zonas núcleo de la Reserva de la Biosfera mariposa Monarca, México]]></article-title>
<source><![CDATA[Boletín de la Sociedad Botánica de México]]></source>
<year>2003</year>
<volume>73</volume>
<page-range>43-72</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cortés]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bocco]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Contribución al plan de manejo forestal de la comunidad]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bocco]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Las enseñanzas de San Juan]]></source>
<year>2003</year>
<page-range>473-88</page-range><publisher-loc><![CDATA[México, D.F., México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Nacional de Ecología, Secretaría de Medio Ambiente y Recursos Naturales]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Demant]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Características del Eje Neovolcánico Transmexicano y sus problemas de interpretación]]></article-title>
<source><![CDATA[Revista Mexicana de Ciencias Geológicas]]></source>
<year>1978</year>
<volume>2</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>172-87</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Eggler]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Plant communities in the vicinity of the volcano El Paricutín, México, after two and a half years of eruption]]></article-title>
<source><![CDATA[Ecology]]></source>
<year>1948</year>
<volume>29</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>415-36</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Eggler]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Manner of invasion of volcanic deposits by plants with further evidence from Paricutín and Jorullo]]></article-title>
<source><![CDATA[Ecological Monographs]]></source>
<year>1959</year>
<volume>23</volume>
<page-range>267-84</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Eggler]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Plant life of Paricutín volcano, Mexico, eight years after activity ceased]]></article-title>
<source><![CDATA[American Midland Naturalist]]></source>
<year>1963</year>
<volume>69</volume>
<page-range>38-68</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ern]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Descripción de la vegetación montañosa de los estados mexicanos de Puebla y Tlaxcala]]></article-title>
<source><![CDATA[Willdenowia]]></source>
<year>1976</year>
<volume>10</volume>
<page-range>1-105</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Escamilla]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Almeida]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Giménez de Azcárate]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Las comunidades tropoalpinas del volcán Popocatépetl, México, y su relación con el medio]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Cabello]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Vegetación y cambios climáticos]]></source>
<year>2001</year>
<page-range>71-84</page-range><publisher-loc><![CDATA[Almería, España ]]></publisher-loc>
<publisher-name><![CDATA[Universidad de Almería]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Farjón]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez de la Rosa]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Styles]]></surname>
<given-names><![CDATA[B. T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Gui&#769;a de campo de los pinos de Me&#769;xico y Ame&#769;rica Central]]></source>
<year>1997</year>
<page-range>151</page-range><publisher-loc><![CDATA[Kew, Reino Unido ]]></publisher-loc>
<publisher-name><![CDATA[The Royal Botanic Gardens]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferrusquía]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Geología de México: una sinopsis]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Ramamoorthy]]></surname>
<given-names><![CDATA[T. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Bye]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Lot]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Diversidad biológica de México: orígenes y distribución]]></source>
<year>1998</year>
<page-range>3-108</page-range><publisher-loc><![CDATA[México, D.F., México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto de Ecología, Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fregoso]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cortés]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La vegetación, sus componentes y un análisis jerárquico del paisaje]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bocco]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Las enseñanzas de San Juan]]></source>
<year>2003</year>
<page-range>201-33</page-range><publisher-name><![CDATA[Instituto Nacional de Ecología, Secretaría de Medio Ambiente y Recursos Naturales]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fuentes]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Bocco]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El agua: dinámica y análisis regional]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bocco]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Las enseñanzas de San Juan]]></source>
<year>2003</year>
<page-range>95-126</page-range><publisher-loc><![CDATA[México, D.F., México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Nacional de Ecología, Secretaría de Medio Ambiente y Recursos Naturales]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Modificaciones al Sistema de Clasificación Climática de Köppen]]></source>
<year>2004</year>
<numero>6</numero>
<issue>6</issue>
<page-range>90</page-range><publisher-loc><![CDATA[México, D.F., México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto de Geografía, Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García Ruiz]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Nava]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Cházaro]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Machuca]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[del Río]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Flora del Parque Nacional Pico de Tancítaro, Michoacán]]></source>
<year>2002</year>
<page-range>135</page-range><publisher-loc><![CDATA[Juiquilpan de Juárez, Michoacán, México ]]></publisher-loc>
<publisher-name><![CDATA[Gobierno del estado de Michoacán]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Garduño]]></surname>
<given-names><![CDATA[V. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Corona]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Israde]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Mennella]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Arreygue]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Bigioggero]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Chiesa]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Carta geológica del Estado de Michoacán]]></source>
<year>1999</year>
<publisher-loc><![CDATA[Morelia, México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto de Investigaciones Metalúrgicas, Departamento de Geología y Mineralogía, Universidad Michoacana de San Nicolás Hidalgo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gehú]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rivas-Martínez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Notions fondamentales de phytosociologie]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Tüxen]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Syntaxonomie; Berichte der Internationalen Symposien der Internationalen Vereinigung Vegetationskunde]]></source>
<year>1981</year>
<page-range>5-33</page-range><publisher-loc><![CDATA[Vaduz, Liechtenstein ]]></publisher-loc>
<publisher-name><![CDATA[Ed. Cramer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giménez de Azcárate]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Escamilla]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Las comunidades edafoxerófilas (enebrales y zacatonales) en las montañas del centro de México]]></article-title>
<source><![CDATA[Phytocoenologia]]></source>
<year>1999</year>
<volume>29</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>449-68</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giménez de Azcárate]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis fitosociológico de los bosques de oyamel (Abies religiosa (H.B.K.) Cham. y Schlecht.) de la Sierra de Angangueo, Región Central de México]]></article-title>
<source><![CDATA[Fitosociologia]]></source>
<year>2004</year>
<volume>41</volume>
<numero>1^s1</numero>
<issue>1^s1</issue>
<supplement>1</supplement>
<page-range>91-100</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giménez de Azcárate]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Escamilla]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fitosociología y sucesión en el Volcán Paricutín (Edo. de Michoacán, México)]]></article-title>
<source><![CDATA[Caldasia]]></source>
<year>1997</year>
<volume>19</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>487-505</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giménez de Azcárate]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Pinto]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Las comunidades vegetales de la Sierra de Angangueo (Estados de Michoacán y México, México): clasificación, composición y distribución]]></article-title>
<source><![CDATA[Lazaroa]]></source>
<year>2003</year>
<volume>24</volume>
<page-range>87-111</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[González-Medrano]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Las Comunidades Vegetales de México]]></source>
<year>2003</year>
<page-range>77</page-range><publisher-loc><![CDATA[México, D.F., México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Nacional de Ecología (INE)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gopar-Merino]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Giménez de Azcárate]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bioclimatic mapping as a new method to assess effects of climatic change]]></article-title>
<source><![CDATA[Ecosphere]]></source>
<year>2015</year>
<volume>6</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>2-12</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hill]]></surname>
<given-names><![CDATA[M. O.]]></given-names>
</name>
</person-group>
<source><![CDATA[TWINSPAN-A Fortran program for arranging multivariate data in an ordered two-way table by classification of the individuals and attributes]]></source>
<year>1979</year>
<page-range>90</page-range><publisher-loc><![CDATA[Ithaca, EUA ]]></publisher-loc>
<publisher-name><![CDATA[Cornell University]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Islebe]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Affinity among mountain ranges in Megamexico: A phytogeographical scenario]]></article-title>
<source><![CDATA[Vegetatio]]></source>
<year>1994</year>
<volume>115</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-9</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jardel]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Conservación y uso sostenido de recursos forestales en ecosistemas de montaña]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[En busca del equilibrio perdido: El uso de los recursos naturales en México]]></source>
<year>1990</year>
<page-range>209-35</page-range><publisher-loc><![CDATA[Guadalajara, México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad de Guadalajara]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Labat]]></surname>
<given-names><![CDATA[J. N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Végétation du nord-ouest du Michoacán, Mexique]]></article-title>
<source><![CDATA[Flora del Bajío y de regiones adyacentes]]></source>
<year>1995</year>
<volume>VIII</volume>
<page-range>1-401</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lauer]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Timberline studies in Central Mexico]]></article-title>
<source><![CDATA[Arctic Alpine Research]]></source>
<year>1978</year>
<volume>10</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>383-96</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Leavenworth]]></surname>
<given-names><![CDATA[W. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Preliminary Study of the Vegetation of the Region Between Cerro Tancítaro and the Río Tepalcatepec, Michoacán, Mexico: The University of Notre Dame]]></article-title>
<source><![CDATA[American Midland Naturalist]]></source>
<year>1946</year>
<volume>36</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>137-206</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Luhr]]></surname>
<given-names><![CDATA[T. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Simkin]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Paricutín: The volcano born in a Mexican cornfield]]></source>
<year>1993</year>
<page-range>427</page-range><publisher-loc><![CDATA[Phoenix, EUA ]]></publisher-loc>
<publisher-name><![CDATA[Geoscience press, Smithsonian Institution]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Madrigal]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Claves para la identificación de las coníferas silvestres del estado de Michoacán]]></article-title>
<source><![CDATA[Boletín Divulgativo]]></source>
<year>1982</year>
<volume>58</volume>
<page-range>1-100</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Medina]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Introducción al conocimiento de los pisos bioclimáticos, la vegetación y la flora del transecto Pico del Tancítaro-Valle de Apatzingán (Michoacán, México)]]></source>
<year>2010</year>
<page-range>54</page-range><publisher-loc><![CDATA[Santiago de Compostela, España ]]></publisher-loc>
<publisher-name><![CDATA[Facultad de Bioloxia, Universidade de Santiago de Compostela]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Medina]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Guevara]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Chávez]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[García Ruíz]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estudio florístico en el área de la comunidad indígena de Nuevo San Juan Parangaricutiro, Michoacán, México]]></article-title>
<source><![CDATA[Acta Botanica Mexicana]]></source>
<year>2000</year>
<volume>52</volume>
<page-range>5-41</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Medina]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gopar]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Azcarate]]></surname>
<given-names><![CDATA[J. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis bioclimático y estudio de la vegetación del transecto Pico del Tancítaro-Valle de Apatzingán, Michoacán, México]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Mas]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Cuevas]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Memorias XIX Reunión Nacional Sociedad Latinoamericana de Percepción Remota y Sistemas de Información Espacial]]></source>
<year>2012</year>
<page-range>293-301</page-range><publisher-loc><![CDATA[Morelia, México ]]></publisher-loc>
<publisher-name><![CDATA[Centro de Investiaciones en Geografía Ambiental, Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mendoza]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Toledo]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Garduño]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Plascencia]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La regionalización fisiográfica]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Mendoza]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Larrazábal]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Toledo]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Atlas fisicogeográfico de la cuenca del Tepalcatepec]]></source>
<year>2010</year>
<page-range>15-27</page-range><publisher-loc><![CDATA[México, D.F., México ]]></publisher-loc>
<publisher-name><![CDATA[Secretaría de Medio Ambiente y Recursos Naturales]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mickel]]></surname>
<given-names><![CDATA[J. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Beitel]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pteridophyte flora of Oaxaca, Mexico]]></article-title>
<source><![CDATA[Memoirs of New York Botanical Garden]]></source>
<year>1988</year>
<volume>46</volume>
<page-range>568</page-range></nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miranda]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-X]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Los tipos de vegetación de México y su clasificación]]></source>
<year>2014</year>
<page-range>214</page-range><publisher-loc><![CDATA[México, D.F., México ]]></publisher-loc>
<publisher-name><![CDATA[Sociedad Botánica de México,]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Perry]]></surname>
<given-names><![CDATA[J. P.]]></given-names>
</name>
</person-group>
<source><![CDATA[The pines of Mexico and Central America]]></source>
<year>1991</year>
<page-range>231</page-range><publisher-loc><![CDATA[Portland, EUA ]]></publisher-loc>
<publisher-name><![CDATA[Timber Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rejmánek]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Haagerova]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Haager]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Progress of plant succesion on the Paricutín volcano: 25 years after activity ceased]]></article-title>
<source><![CDATA[American Midland Naturalist]]></source>
<year>1982</year>
<volume>108</volume>
<page-range>194-8</page-range></nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivas-Martínez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Rivas-Sáenz]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Penas]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Worldwide bioclimatic classification system]]></article-title>
<source><![CDATA[Global Geobotany]]></source>
<year>2011</year>
<volume>1</volume>
<page-range>1-634</page-range></nlm-citation>
</ref>
<ref id="B51">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rzedowski]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[La vegetación de México]]></source>
<year>1978</year>
<page-range>432</page-range><publisher-loc><![CDATA[México, D.F., México ]]></publisher-loc>
<publisher-name><![CDATA[Ed. Limusa]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B52">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rzedowski]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Calderón de Rzedowski]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Flora del Bajío y de regiones adyacentes]]></source>
<year>1985</year>
<publisher-loc><![CDATA[Pátzcuaro, México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto de Ecología, A.C. Centro Regional del Bajío]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B53">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rzedowski]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Calderón de Rzedowski]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Flora Fanerogámica del Valle de México]]></source>
<year>2001</year>
<page-range>1406</page-range><publisher-loc><![CDATA[México, D.F., México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto de Ecología, A.C. (INECOL)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B54">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Siebe]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Bocco]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Suelos: Distribución, características y potencial de uso]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bocco]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Las enseñanzas de San Juan]]></source>
<year>2003</year>
<page-range>127-64</page-range><publisher-loc><![CDATA[México, D.F., México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Nacional de Ecología]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B55">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Troll]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The upper timberlines in different climatic zones]]></article-title>
<source><![CDATA[Arctic and Alpine Research]]></source>
<year>1973</year>
<volume>5</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>3-18</page-range></nlm-citation>
</ref>
<ref id="B56">
<nlm-citation citation-type="">
<collab>TROPICOS</collab>
<source><![CDATA[Tropicos.org. Missouri Botanical Garden]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B57">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van der Maarel]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Transformation of cover-abundance values in phytosociology and its effects on community similarity]]></article-title>
<source><![CDATA[Vegetatio]]></source>
<year>1979</year>
<volume>39</volume>
<page-range>97-114</page-range></nlm-citation>
</ref>
<ref id="B58">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vázquez]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El escenario paleoambiental de la región]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bocco]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Las enseñanzas de San Juan]]></source>
<year>2003</year>
<page-range>79-94</page-range><publisher-loc><![CDATA[México, D.F., México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Nacional de Ecología]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B59">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cleef]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The plant communities of the volcanoes Tláloc and Pelado, México]]></article-title>
<source><![CDATA[Phytocoenologia]]></source>
<year>1993</year>
<volume>22</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>145-91</page-range></nlm-citation>
</ref>
<ref id="B60">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Giménez de Azcárate]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Escamilla]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bocco]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[van der Maarel]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vegetation dynamics on Paricutín, a recent Mexican volcano]]></article-title>
<source><![CDATA[Acta Phytogeographica Suecica]]></source>
<year>2000</year>
<volume>87</volume>
<page-range>71-8</page-range></nlm-citation>
</ref>
<ref id="B61">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Medina]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Durán]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Amador]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gopar]]></surname>
<given-names><![CDATA[L. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Standardized Hierarchical Vegetation Classification-Mexican and Global Patterns]]></source>
<year>2016</year>
<page-range>160</page-range><publisher-loc><![CDATA[Berlin, Alemania ]]></publisher-loc>
<publisher-name><![CDATA[Springer Verlag.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B62">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Weber]]></surname>
<given-names><![CDATA[H. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Moravec]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Theurillat]]></surname>
<given-names><![CDATA[J. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[International Code of Phytosociological nomenclature]]></article-title>
<source><![CDATA[Journal of Vegetation Science]]></source>
<year>2000</year>
<volume>11</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>739-68</page-range></nlm-citation>
</ref>
<ref id="B63">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Werger]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[On concepts and techniques applied in the Zurich-Montpellier method of vegetation survey]]></article-title>
<source><![CDATA[Bothalia]]></source>
<year>1974</year>
<volume>11</volume>
<page-range>309-23</page-range></nlm-citation>
</ref>
<ref id="B64">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Westhoff]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[van der Maarel]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Braun Blanquet approach]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Whittaker]]></surname>
<given-names><![CDATA[R. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Classification of Plant Communities]]></source>
<year>1978</year>
<edition>2nd</edition>
<page-range>287-399</page-range><publisher-loc><![CDATA[The Hague, The Netherlands ]]></publisher-loc>
<publisher-name><![CDATA[W. Junk]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
