<?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>S1870-34532019000100202</article-id>
<article-id pub-id-type="doi">10.22201/ib.20078706e.2019.90.2924</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis morfométrico del grupo Selenicereus vagans (Cactaceae: Hylocereeae) con base en la anatomía del tallo]]></article-title>
<article-title xml:lang="en"><![CDATA[Morphometric analysis of the Selenicereus vagans group (Cactaceae: Hylocereeae), based on stem anatomy]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Quezada]]></surname>
<given-names><![CDATA[Daniel Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sandoval-Zapotitla]]></surname>
<given-names><![CDATA[Estela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[Salvador]]></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>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Biología Jardín Botánico]]></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>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>90</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532019000100202&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532019000100202&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532019000100202&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se realizó un estudio anatómico del tallo para las especies del grupo Selenicereus vagans sensu Bauer (S. atropilosus, S. dorschianus, S. murrillii, S. vagans), con el objetivo de estimar su valor en la delimitación de las especies y conocer si S. dorschianus se circunscribe a este grupo con base en evidencia anatómica. Se analizaron 25 caracteres anatómicos a través de métodos multivariados (análisis discriminante canónico, análisis clasificatorio y de agrupamiento). Se demostró que los caracteres anatómicos cuantitativos del tallo son tan importantes como los caracteres anatómicos cualitativos. Para este grupo de especies, los caracteres numéricos tuvieron una mayor representatividad y permitieron delimitar especies, interpretándolos como taxonómicamente informativos. El espesor de la cutícula, la longitud de las células oclusivas, el área de células epidérmicas, el grosor de la pared de las células hipodérmicas, así como el grosor de la pared de las fibras asociadas al floema secundario apoyan a S. murrillii como un taxón distinto de S. vagans. S. dorschianus mostró similitud anatómica con miembros del grupo S. vagans, pero se reconoce por tener vasos agrupados y madera dimorfa. Los resultados permiten confirmar la utilidad de los caracteres anatómicos en la taxonomía del género Selenicereus.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract A stem anatomical study for species of Selenicereus vagans group sensu Bauer (S. atropilosus, S. dorschianus, S. murrillii, S. vagans) was carried out, with the aim of estimating their value in the species delimitation and know if S. dorschianus is circumscribed to this group based on anatomical evidence. Twenty five anatomical characters were analyzed through multivariate methods (canonical discriminant analysis, classificatory and cluster analysis). It was shown that the quantitative anatomical characters of the stem are as important as the qualitative ones. For this group, the numerical characters had a greater representation and allowed to recognize species, interpreting them as taxonomically informative. The cuticle thickness, the length of the occlusive cells, the epidermal cells area, the thickness of the hypodermal cells wall, as well as the thickness of the wall of the fibers associated to the secondary phloem supports S. murrillii as a taxon distinct from S. vagans. S. dorschianus showed anatomical similarity with members of the S. vagans group, but it is recognized by having grouped vessels and dimorphic wood. The results confirm the usefulness of the anatomical characters in the taxonomy of the genus Selenicereus.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Epidermis]]></kwd>
<kwd lng="es"><![CDATA[Hipodermis]]></kwd>
<kwd lng="es"><![CDATA[Xilema secundario]]></kwd>
<kwd lng="es"><![CDATA[Métodos multivariados]]></kwd>
<kwd lng="en"><![CDATA[Epidermis]]></kwd>
<kwd lng="en"><![CDATA[Hypodermis]]></kwd>
<kwd lng="en"><![CDATA[Secondary xylem]]></kwd>
<kwd lng="en"><![CDATA[Multivariate methods]]></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[Angyalossy-Alfonso]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Baas]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Carlquist]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Peres-Chimelo]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Rauber-Coradin]]></surname>
<given-names><![CDATA[V. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Détienne]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[List of microscopic features for hardwood identification]]></article-title>
<source><![CDATA[International Association of Wood Anatomists Bulletin, New Series]]></source>
<year>1989</year>
<volume>10</volume>
<page-range>219-332</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arroyo-Cosultchi]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Terrazas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[López-Mata]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Delimitación de Neobuxbaumia mezcalaensis y N. multiareolata (Cactaceae) con base en análisis multivariados]]></article-title>
<source><![CDATA[Boletín de la Sociedad Botánica de México]]></source>
<year>2010</year>
<volume>86</volume>
<page-range>53-64</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bailey]]></surname>
<given-names><![CDATA[I. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Srivastava]]></surname>
<given-names><![CDATA[L. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparative anatomy of the leaf-bearing Cactaceae, IV. The fusiform initials of the cambium and the form and structure of their derivates]]></article-title>
<source><![CDATA[Journal of the Arnold Arboretum]]></source>
<year>1962</year>
<volume>43</volume>
<page-range>187-202</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baker]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A new florally dimorphic hexaploid, Echinocereus yavapaiensis sp. Nov. (section Triglochidiatus, Cactaceae) from central Arizona]]></article-title>
<source><![CDATA[Plant Systematics and Evolution]]></source>
<year>2006</year>
<volume>258</volume>
<page-range>63-83</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baker]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Circumscription of Echinocereus arizonicus subsp. arizonicus: phenetic analysis of the morphological characters in section Triglochidiatus (Cactaceae), Part II]]></article-title>
<source><![CDATA[Madroño]]></source>
<year>2006</year>
<volume>53</volume>
<page-range>388-99</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baker]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Butterworth]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Geographic distribution and taxonomic circumscription of populations within Coryphantha section Robustispina (Cactaceae)]]></article-title>
<source><![CDATA[American Journal of Botany]]></source>
<year>2013</year>
<volume>100</volume>
<page-range>984-97</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baker]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[R. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Morphometric analysis of Escobaria sneedii var. sneedii, E. sneedii var. leei and E. guadalupensis (Cactaceae)]]></article-title>
<source><![CDATA[Systematic Botany]]></source>
<year>2000</year>
<volume>25</volume>
<page-range>577-87</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bauer]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A synopsis of the tribe Hylocereeae F. Buxb]]></article-title>
<source><![CDATA[Cactaceae Systematics Initiatives]]></source>
<year>2003</year>
<volume>17</volume>
<page-range>43-50</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bauer]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Selenicereus dorschianus Ralf Bauer spec. nov., eine neue Art aus dem westlichen México (Jalisco) mit grünen Früchten-Beschreibung inter Berücksichtigung neuer Erkenntnisse über Selenicereus vagans (K. Brandegee) Britton et Rose und Selenicereus murrillii Britton et Rose]]></article-title>
<source><![CDATA[EPIG]]></source>
<year>2009</year>
<volume>69</volume>
<page-range>5-19</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bravo-Hollis]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Las cactáceas de México]]></source>
<year>1978</year>
<volume>1</volume>
<edition>2</edition>
<publisher-loc><![CDATA[Ciudad de México, México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Conde]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparisons of five species of Opuntia (Cactaceae)]]></article-title>
<source><![CDATA[Annals of the Missouri Botanical Garden]]></source>
<year>1975</year>
<volume>62</volume>
<page-range>425-73</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cope]]></surname>
<given-names><![CDATA[J. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Corney]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Clark]]></surname>
<given-names><![CDATA[J. Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Remagnino]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Wilkin]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Plant species identification using digital morphometrics: A review]]></article-title>
<source><![CDATA[Expert Systems with Applications]]></source>
<year>2012</year>
<volume>39</volume>
<page-range>7562-73</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Eggli]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Stomatal types of Cactaceae]]></article-title>
<source><![CDATA[Plant Systematics and Evolution]]></source>
<year>1984</year>
<volume>146</volume>
<page-range>197-214</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García-Aguilar]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Terrazas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Anatomía caulinar de tres especies del género Hylocereus (Berger) Britton et Rose (Cactaceae) en México]]></article-title>
<source><![CDATA[Revista Fitotecnia Mexicana]]></source>
<year>2009</year>
<volume>32</volume>
<page-range>201-8</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García-Aguilar]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Terrazas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Segura-León]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Vibrans]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[López-Mata]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Caracterización molecular de tres especies de Hylocereus (Cactaceae) presentes en México]]></article-title>
<source><![CDATA[Revista Fitotecnia Mexicana]]></source>
<year>2013</year>
<volume>36</volume>
<page-range>13-22</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gibson]]></surname>
<given-names><![CDATA[A. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Nobel]]></surname>
<given-names><![CDATA[P. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[The cactus primer]]></source>
<year>1986</year>
<publisher-loc><![CDATA[Cambridge, Massachusetts ]]></publisher-loc>
<publisher-name><![CDATA[Harvard University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grego-Valencia]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Terrazas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Vázquez-Sánchez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ferocactus (Cactaceae) epidermis: its systematic value]]></article-title>
<source><![CDATA[Journal of the Torrey Botanical Society]]></source>
<year>2014</year>
<volume>141</volume>
<page-range>313-25</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guzmán]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Dávila]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Catálogo de cactáceas Mexicanas]]></source>
<year>2007</year>
<publisher-loc><![CDATA[Ciudad de México, México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Herrera-Martínez]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Ríos-Hernández]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Gracidueñas-Piña]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Lara-Ibarra]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Adabache-Ortiz]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Soria-Guerra]]></surname>
<given-names><![CDATA[R. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of culture conditions on stomatal density and stomatal index in four cactus pecies]]></article-title>
<source><![CDATA[Haseltonia]]></source>
<year>2015</year>
<volume>20</volume>
<page-range>43-50</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Koch]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Bhushan]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Barthlott]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Multifunctional surface structures of plants: an inspiration for biomimetics]]></article-title>
<source><![CDATA[Progress in Materials Science]]></source>
<year>2009</year>
<volume>54</volume>
<page-range>137-78</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Korotkova]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Borsch]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A phylogenetic framework for the Hylocereeae (Cactaceae) and implications for the circumscription of the genera]]></article-title>
<source><![CDATA[Phytotaxa]]></source>
<year>2017</year>
<volume>327</volume>
<page-range>001-46</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Loza-Cornejo]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Terrazas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Epidermal and hypodermal characteristics in North American Cactoideae (Cactaceae)]]></article-title>
<source><![CDATA[Journal of Plant Research]]></source>
<year>2003</year>
<volume>116</volume>
<page-range>27-35</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mauseth]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Plemons]]></surname>
<given-names><![CDATA[B. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Developmentally variable, polymorphic woods in Cacti]]></article-title>
<source><![CDATA[American Journal of Botany]]></source>
<year>1995</year>
<volume>82</volume>
<page-range>1199-205</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Meidner]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Mansfield]]></surname>
<given-names><![CDATA[T. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Physiology of Stomata]]></source>
<year>1968</year>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[McGraw-Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mota-Lambert]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Leite-Borba]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Camara-Machado]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Da Silva-Andrade]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Allozyme Diversity and norphometrics of Melocactus paucispinus (Cactaceae) and evidence for hybridization with M. concinnus in the Chapada Diamantina, Northeastern Brazil]]></article-title>
<source><![CDATA[Annals of Botany]]></source>
<year>2006</year>
<volume>97</volume>
<page-range>389-403</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reyes-Rivera]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Canché-Escamilla]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Soto-Hernández]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Terrazas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Wood chemical composition in species of Cactaceae: the relationship between lignification and stem morphology]]></article-title>
<source><![CDATA[Plos One]]></source>
<year>2015</year>
<volume>10</volume>
<page-range>1-17</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salisbury]]></surname>
<given-names><![CDATA[E. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[On the causes and ecological significance of stomatal frequency with special reference to the woodland flora]]></article-title>
<source><![CDATA[Philosophical Transactions of the Royal Society B]]></source>
<year>1928</year>
<volume>216</volume>
<page-range>1-65</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Terrazas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis morfométrico de las especies de Echinocereus sección Triglochidiati (Cactaceae) en México]]></article-title>
<source><![CDATA[Brittonia]]></source>
<year>2013</year>
<volume>65</volume>
<page-range>368-85</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sandoval-Zapotitla]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Rojas-Leal]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Guzmán-Ramos]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Carmona-Jiménez]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ponce-Salazar]]></surname>
<given-names><![CDATA[R. M.]]></given-names>
</name>
<name>
<surname><![CDATA[León-Gómez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cuadernos 38. Técnicas aplicadas al estudio de la anatomía vegetal]]></source>
<year>2005</year>
<publisher-loc><![CDATA[Ciudad de México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sharma]]></surname>
<given-names><![CDATA[G. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Dunn]]></surname>
<given-names><![CDATA[D. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of environment of the cuticular features]]></article-title>
<source><![CDATA[Kalanchoe fedschenkoi. Bulletin of the Torrey Botanical Club]]></source>
<year>1968</year>
<volume>95</volume>
<page-range>464-73</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tapia]]></surname>
<given-names><![CDATA[H. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Yánez-Espinosa]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Terrazas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El uso de espinas del tallo en la identificación de las especies de Neobuxbaumia (Cactaceae)]]></article-title>
<source><![CDATA[Revista Mexicana de Biodiversidad]]></source>
<year>2016</year>
<volume>87</volume>
<page-range>288-300</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Terrazas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparative stem anatomy in the subfamily Cactoideae]]></article-title>
<source><![CDATA[The Botanical Review]]></source>
<year>2002</year>
<volume>68</volume>
<page-range>444-73</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Terrazas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Cházaro]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Arreola]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Selenicereus murrillii]]></article-title>
<source><![CDATA[IUCN Red List of Threatened Species]]></source>
<year>2013</year>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Terrazas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Loza-Cornejo]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phylogenetic relationships of Pachycereeae: a cladistic analysis based on anatomical-morphological data]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Flemming]]></surname>
<given-names><![CDATA[T. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Valiente-Banuet]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Evolution, ecology, conservation of the columnar cacti, their mutualists]]></source>
<year>2002</year>
<page-range>66-86</page-range><publisher-loc><![CDATA[Tucson ]]></publisher-loc>
<publisher-name><![CDATA[Arizona University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Terrazas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Mauseth]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Shoot anatomy and morphology]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Nobel]]></surname>
<given-names><![CDATA[P. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cacti: biology and uses]]></source>
<year>2002</year>
<page-range>23-40</page-range><publisher-loc><![CDATA[Los Angeles ]]></publisher-loc>
<publisher-name><![CDATA[University of California Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vázquez-Sánchez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Terrazas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Grego-Valencia]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Growth form and wood evolution in the tribe Cacteae (Cactaceae)]]></article-title>
<source><![CDATA[Willdenowia]]></source>
<year>2017</year>
<volume>47</volume>
<page-range>49-67</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
