236 lines
18 KiB
XML
236 lines
18 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.15.3084" ID-PMC="PMC3492929" ID-Pensoft-Pub="1314-2003-15-1" ID-Pensoft-UUID="FF9AC356FFDAFB26FF95FFE3FFA1520C" ID-PubMed="23185125" ID-Zenodo-Dep="576134" ModsDocID="1314-2003-15-1" checkinTime="1451251993896" checkinUser="pensoft" docAuthor="Soreng, Robert J. & Peterson, Paul M." docDate="2012" docId="344DD10AD0C55FC78BE68CA90EE37517" docLanguage="en" docName="PhytoKeys 15: 1-104" docOrigin="PhytoKeys 15" docPubDate="2012-08-06" docSource="http://dx.doi.org/10.3897/phytokeys.15.3084" docTitle="Poa pratensis subsp. pratensis" docType="treatment" docVersion="3" id="FF9AC356FFDAFB26FF95FFE3FFA1520C" lastPageNumber="51" masterDocId="FF9AC356FFDAFB26FF95FFE3FFA1520C" masterDocTitle="Revision of Poa L. (Poaceae, Pooideae, Poeae, Poinae) in Mexico: new records, re-evaluation of P. ruprechtii, and two new species, P. palmeri and P. wendtii" masterLastPageNumber="104" masterPageNumber="1" pageNumber="49" updateTime="1668139833991" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Revision of Poa L. (Poaceae, Pooideae, Poeae, Poinae) in Mexico: new records, re-evaluation of P. ruprechtii, and two new species, P. palmeri and P. wendtii</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Soreng, Robert J.</mods:namePart>
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<mods:affiliation>Department of Botany, National Museum of Natural History, Smithsonian Institution Washington, DC, 20013 - 7012, USA</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Peterson, Paul M.</mods:namePart>
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<mods:affiliation>Department of Botany, National Museum of Natural History, Smithsonian Institution Washington, DC, 20013 - 7012, USA</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2012</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2012-08-06</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>15</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>104</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.15.3084</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.15.3084</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-15-1</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FF9AC356FFDAFB26FF95FFE3FFA1520C</mods:identifier>
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<mods:identifier type="Zenodo-Dep">576134</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182229304" LSID="urn:lsid:plazi:treatment:344DD10AD0C55FC78BE68CA90EE37517" httpUri="http://treatment.plazi.org/id/344DD10AD0C55FC78BE68CA90EE37517" lastPageId="50" lastPageNumber="51" pageId="48" pageNumber="49">
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<subSubSection pageId="48" pageNumber="49" type="nomenclature">
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<paragraph pageId="48" pageNumber="49">
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16e.
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<taxonomicName LSID="344DD10A-D0C5-5FC7-8BE6-8CA90EE37517" authority="pratensis" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa pratensis subsp. pratensis" order="Poales" pageId="48" pageNumber="49" phylum="Tracheophyta" rank="subSpecies" species="pratensis" subSpecies="pratensis">Poa pratensis pratensis</taxonomicName>
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<figureCitation captionStart="Figure 18" captionStartId="F18" captionText="Figure 18. Poa pratensis L. A, B Poa pratensis subsp. irrigata (Lindm.) H. Lindb. A habit B spikelet C-J subsp. pratensis C habit D sheath, ligule blade lateral view E blade apex lateral view F blade apex adaxial view G inflorescence H branch segment with spikelets I spikelet J floret. Drawings from Soreng (2007)." httpUri="https://binary.pensoft.net/fig/10153" pageId="48" pageNumber="49">Fig. 18 C-J</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="48" pageNumber="49" type="description">
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<paragraph pageId="48" pageNumber="49">Description.</paragraph>
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<paragraph pageId="48" pageNumber="49">
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Tufts sparse, or dense to loose, shoots clustered, or some solitary; green, or bluish-gray-green; tillers intra- and extravaginal.
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<emphasis bold="true" pageId="48" pageNumber="49">Culms</emphasis>
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8-100 cm tall.
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<emphasis bold="true" pageId="48" pageNumber="49">Ligules</emphasis>
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of lower culm and tiller leaves commonly glabrous abaxially; blades of cauline leaves flag leaf blades flat or folded, thin, soft; sterile shoot blades 10-45 cm long, 0.4-4 mm wide, some distinctly narrower than the cauline blades, all flat or some involute, usually glabrous adaxially.
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<emphasis bold="true" pageId="48" pageNumber="49">Panicles</emphasis>
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5-18 cm long, loosely contracted or open and broadly pyramidal; rachis with 3-6(-9) branches per node; primary branches spreading to somewhat reflexed, smooth or sparsely to fairly densely scabrous; spikelets several to many per branch.
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<emphasis bold="true" pageId="48" pageNumber="49">Spikelets</emphasis>
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lanceolate to broadly lanceolate, not bulbiferous; glumes unequal to subequal, infrequently glaucous; lower glumes 1-3-veined; upper glumes shorter than or nearly subequaling the lowest lemma; lemmas 2.8-4.3 mm long, finely muriculate, intermediate veins glabrous; paleas scabrous, medially glabrous over the keels, intercostal region glabrous.
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<emphasis bold="true" pageId="48" pageNumber="49">Anthers</emphasis>
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sometimes sterile. 2
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<emphasis italics="true" pageId="48" pageNumber="49">n</emphasis>
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= 41-44, 48-56, 58, 59, 60 ca, 62, 64-70,74, 86-91, 95, 98.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="48" pageNumber="49" type="distribution">
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<paragraph pageId="48" pageNumber="49">Distribution.</paragraph>
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<paragraph pageId="48" pageNumber="49">
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The subspecies occurs in Eurasia, North America (Canada, Greenland, USA), and Mexico (Baja California, Chihuahua, Coahuila, Distrito Federal, Hidalgo, Mexico, Nuevo
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<normalizedToken originalValue="León">Leon</normalizedToken>
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, Veracruz).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="48" pageNumber="49" type="ecology">
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<paragraph pageId="48" pageNumber="49">Ecology.</paragraph>
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<paragraph pageId="48" pageNumber="49">This introduced subspecies occurs mostly between 900-3500 m, in cool temperate habitats, probably in large part due to seeding for soil stabilization, pastures and lawns. Flowering May to July.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="50" lastPageNumber="51" pageId="48" pageNumber="49" type="specimens examined">
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<paragraph pageId="48" pageNumber="49">Specimens examined.</paragraph>
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<paragraph lastPageId="50" lastPageNumber="51" pageId="48" pageNumber="49">
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Mexico.
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<emphasis bold="true" pageId="48" pageNumber="49">Baja California:</emphasis>
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Municipio Ensenada, carretera a Tecate, coastal, 10 m, 23 Jun 1979, J.
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<normalizedToken originalValue="Sánchez">Sanchez</normalizedToken>
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14 (MEXU). Rancho Don Faustina, 3 May 1981, R.
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<normalizedToken originalValue="Guzmán">Guzman</normalizedToken>
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1371 (MEXU). Sierra
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<normalizedToken originalValue="Juárez">Juarez</normalizedToken>
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, Arroyo el Zauz, Laguna Hansen
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<geoCoordinate degrees="32" direction="north" minutes="00" orientation="latitude" precision="925" value="32.0">32°00'N</geoCoordinate>
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,
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<geoCoordinate degrees="115" direction="west" minutes="57" orientation="longitude" precision="925" value="-115.95">115°57'W</geoCoordinate>
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, 1560 m, 13 May 1997, A.Miranda 574 (MEXU). Rancho Paraiso, km 153 carretera Ensenada-San Felipe,
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<geoCoordinate degrees="31" direction="north" minutes="21.305" orientation="latitude" precision="1" value="31.355083">31°21.305'N</geoCoordinate>
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,
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<geoCoordinate degrees="115" direction="west" minutes="27.209" orientation="longitude" precision="1" value="-115.45348">115°27.209'W</geoCoordinate>
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, 900 m, 16 May 1997, M.A.Vergara-B. 100 (MEXU). Sierra San Pedro
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<normalizedToken originalValue="Mártir">Martir</normalizedToken>
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, Rancho Melling, 7 May 1981, C.Aguirre 258 & V.Morales (MEXU).
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<emphasis bold="true" pageId="48" pageNumber="49">Chihuahua:</emphasis>
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Mun
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<pageBreakToken pageId="49" pageNumber="50" start="start">icipio</pageBreakToken>
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de Balleza, camino Balleza-Guachochic, km 45, 24 Sep 1981, I.Flavio-A. 1585, Rafael-F. and M.E.Siquerios (MEXU).Municipio de Madera, ejido El Largo, Rancho de la
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<normalizedToken originalValue="Ciénega">Cienega</normalizedToken>
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, 2240 m, 24 Jul 1990, A.
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<normalizedToken originalValue="Benítez">Benitez</normalizedToken>
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1401 (MEXU).
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<emphasis bold="true" pageId="49" pageNumber="50">Coahuila:</emphasis>
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Municipio Arteaga,
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<normalizedToken originalValue="Cañon">Canon</normalizedToken>
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<normalizedToken originalValue="Jamé">Jame</normalizedToken>
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, ca. 20 km al del poblado de
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<normalizedToken originalValue="Jamé">Jame</normalizedToken>
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;
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<geoCoordinate degrees="25" direction="north" minutes="22" orientation="latitude" precision="925" value="25.366667">25°22'N</geoCoordinate>
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,
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<geoCoordinate degrees="100" direction="west" minutes="35" orientation="longitude" precision="925" value="-100.583336">100°35'W</geoCoordinate>
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, 2200 m, J.A.Villarreal 5885 & M.A.Carranza (TEX); ditto, Sierra de la Marta, La Siberia, ca del Ejido Santa Rita, ca. 6 km al southeast de San Antonio de las Alanzanas, 25.2203°12'N,
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<geoCoordinate degrees="100" direction="west" minutes="30" orientation="longitude" precision="925" value="-100.5">100°30'W</geoCoordinate>
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, 2300 m, 27 May 1982, J.A.Villarreal 1687 (TEX). Sierra de Arteaga, de San Antonio de las Alanzanas a Sierra la Marta y porrero de Abrego,
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<geoCoordinate degrees="25" direction="north" minutes="25" orientation="latitude" precision="925" value="25.416666">25°25'N</geoCoordinate>
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,
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<geoCoordinate degrees="100" direction="west" minutes="40" orientation="longitude" precision="925" value="-100.666664">100°40'W</geoCoordinate>
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, 2300 m, 20 Jun 1984, J.Valdes-R. 1664 & M.E.Demesa (TEX).
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<emphasis bold="true" pageId="49" pageNumber="50">Distrito Federal:</emphasis>
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Region Contreras, volcani, 2700 m, 5 May 1926, M.St.Pierre s.n. (US). Canada de Contreras, ca. de Primer Dinamo, 2550 m, 16 Jun 1970, J.Rzedowski 27216 (MEXU, US). Pedregal de San Angel, SE del Pedregal, 16 May 1952, J.Rzedowski 1002 (US). Municipio De Chalco, faldas del Cerro
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<normalizedToken originalValue="Telapón">Telapon</normalizedToken>
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, 3200 m, 16 Jul 1964, J.Rzedowski 18460 (MEXU). alrededores de la estacion La Cima, delegacion de Tlalpan, 3000 m, 8 Jul 1979, J.Rzedowski 36171(MEXU, TAES). 5 km al W del Desierto de los
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<normalizedToken originalValue="Leónes">Leones</normalizedToken>
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sobre el camino a La Cieneguilla, 3250 m, 5 Jun 1983, J.Rzedowski 38086 (MEXU).
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<emphasis bold="true" pageId="49" pageNumber="50">Hidalgo:</emphasis>
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Municipio de Epazoyucan, ca. de
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<normalizedToken originalValue="Peñas">Penas</normalizedToken>
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Largas, 2900 m, 3 Aug 1975, J.Rzedowski 33439 (TAES, toward
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<emphasis italics="true" pageId="49" pageNumber="50">alpigena</emphasis>
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). Municipio Mineral del Chico, 2 km de Llanos Grandes por camino a
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<normalizedToken originalValue="Peña">Pena</normalizedToken>
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del Cuervo, 2900 m, 13 Jun 1992, M.
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<normalizedToken originalValue="González-Ledesma">Gonzalez-Ledesma</normalizedToken>
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502 & J.A.
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<normalizedToken originalValue="Pérez-de-la-Rosa">Perez-de-la-Rosa</normalizedToken>
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(MEXU).
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<emphasis bold="true" pageId="49" pageNumber="50">Mexico:</emphasis>
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Municipio Ixtapaluca, Estacion Exper. Forestal de Zoquiapan, 3300 m, Jul 1976, C.Obieta-O. 91 (MEXU).Sierra del Ajusco, Rancho Alegre, delegacin Tlalpan, 3400 m, 29 Nov 1981, R.C.Moreno-C. 83 (TAES, hybrid?).
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<emphasis bold="true" pageId="49" pageNumber="50">Mexico:</emphasis>
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A 7 km de Buenavista, a Temascaltepec, 3250 m, 29 Aug 1983, Manrique 282, Jarmillo & Guerrero (MEXU). EEFZ, Cercanias as Cerro El Papayo, 3250 m, 16 May 1997, E.
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<normalizedToken originalValue="Guízar">Guizar</normalizedToken>
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s.n. et al. (MEXU). 4 km del camino de terraceria hacia el campo EEFZ, 3330 m, 29 Jul 1998, B.Nava-Roberto-C. s.n. (MEXU).
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<normalizedToken originalValue="Río">Rio</normalizedToken>
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<normalizedToken originalValue="Frío">Frio</normalizedToken>
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, 3000 m, 19 Apr 1997, O.Ruiz-N. (MEXU). ca. Paso de
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<normalizedToken originalValue="Cortés">Cortes</normalizedToken>
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, entre
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<normalizedToken originalValue="Popocatépetl">Popocatepetl</normalizedToken>
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e
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<normalizedToken originalValue="Ixtaccíhuatl">Ixtaccihuatl</normalizedToken>
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, 3650 m, 31 Jul 1966, J.Rzedowski 22841 (TAES, appear to be intermediate to
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<taxonomicName authorityName="Hitchc. Contr. U. S. Natl. Herb. 17 (3): 374" authorityYear="1913" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="49" pageNumber="50" phylum="Tracheophyta" rank="species" species="orizabensis">
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<emphasis italics="true" pageId="49" pageNumber="50">Poa orizabensis</emphasis>
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</taxonomicName>
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). Municipio Tlalmanalco, Vertiente occidental del
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<normalizedToken originalValue="Volcán">Volcan</normalizedToken>
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Ixtaccihuatl, 8 km al se de San Rafael, 3125 m, 6 Apr 1997, S.D.Koch 7917 & I.Sanchez-V. (MEXU, MO); ditto, C.Azudia 44 (MO, MEXU). Bosque de San Rafael, 10 May 1971, E.Matuda 38360 (MEXU). Municipio Ixtapaluca, Llano Pinahua, 8 km al southwest de
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<normalizedToken originalValue="Río">Rio</normalizedToken>
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<normalizedToken originalValue="Frío">Frio</normalizedToken>
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, 3200 m, 24 May 1981, J.Rzedowski 37286 (TAES).Municipio Mineral del Chico, Las Ventanas, 2960 m, 19 May 1993, J.Praxedes 49,
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<normalizedToken originalValue="Pérez,Jiménez">Perez,Jimenez</normalizedToken>
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(MEXU).
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<emphasis bold="true" pageId="49" pageNumber="50">
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Nuevo
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<normalizedToken originalValue="León">Leon</normalizedToken>
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:
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</emphasis>
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Areas cercanas a Cola de Caballo,
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<geoCoordinate degrees="25" direction="north" minutes="23" orientation="latitude" precision="925" value="25.383333">25°23'N</geoCoordinate>
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,
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<geoCoordinate degrees="100" direction="west" minutes="10" orientation="longitude" precision="925" value="-100.166664">100°10'W</geoCoordinate>
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, 800 m, 30 May 1987, J.A.Villarreal 3691 & M.A.Carranza (TAES).
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<emphasis bold="true" pageId="49" pageNumber="50">Veracruz:</emphasis>
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Municipio Chiconquiaco, La Guacamaya, 1900 m, 26 Mar 1975, F.Ventura-A. 11133 (MEXU, TAES). Municipio Perote-Perote, Jun 1893, E.W.Nelson 19 (US). camino entre Perote y Cofre el Perote, 2950 m, 24 Apr 1982, R.
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<normalizedToken originalValue="Guzmán">Guzman</normalizedToken>
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4980 (MEXU). camino a El Conejo,
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<geoCoordinate degrees="19" direction="north" minutes="31" orientation="latitude" precision="15" seconds="42" value="19.528334">19°31'42"N</geoCoordinate>
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,
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<geoCoordinate degrees="97" direction="west" minutes="09" orientation="longitude" precision="15" seconds="21" value="-97.15584">97°09'21"W</geoCoordinate>
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, 3500 m, 3 Jun 1994, C.R.Galindo 63 (MEXU). mountains near Jalapa, 5000-7000 ft [1525-2135 m], 20 Apr-20 May 1899, C.G.Pringle 7880 (US). Lomogrande, Mt. Orizaba, 8900 ft [2715 m] 28 Apr 1938, E.K.Balls 4382 (US). Muni
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<pageBreakToken pageId="50" pageNumber="51" start="start">cipio</pageBreakToken>
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Rafael
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<normalizedToken originalValue="Ramírez">Ramirez</normalizedToken>
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, comunidad Los Paisanos,
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<geoCoordinate degrees="19" direction="north" minutes="34" orientation="latitude" precision="15" seconds="12" value="19.570002">19°34' 12"N</geoCoordinate>
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,
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<geoCoordinate degrees="97" direction="west" minutes="05" orientation="longitude" precision="15" seconds="25" value="-97.09028">97°05' 25"W</geoCoordinate>
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, 28 Mar 1995, P.J.
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<normalizedToken originalValue="Parroquín">Parroquin</normalizedToken>
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79 (MEXU). Barranca Seca, ca. de La
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<normalizedToken originalValue="Desviacíon">Desviacion</normalizedToken>
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a Villa Aldama, 2350 m, 8 Aug 1970, F.Ventura-A. 1993 (MO, toward
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<emphasis italics="true" pageId="50" pageNumber="51">alpigena</emphasis>
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or
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<emphasis italics="true" pageId="50" pageNumber="51">irrigata</emphasis>
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). Cofre de Perote, 3300 m, Apr 1987, B.Veracruz 251 (MEXU, toward
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<emphasis italics="true" pageId="50" pageNumber="51">alpigena</emphasis>
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). Cofre de Perote, east side, 3930 m, 6 Aug 1958,J.H.Beaman 2179 (MEXU, TEX, US, toward
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<emphasis italics="true" pageId="50" pageNumber="51">alpigena</emphasis>
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). Cruz Blanca, 8000-10000 ft [2440-3050 m], 21 May 1950, J.T.Baldwin Jr.14281(US, toward
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<emphasis italics="true" pageId="50" pageNumber="51">alpigena</emphasis>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="50" pageNumber="51" type="discussion">
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<paragraph pageId="50" pageNumber="51">Discussion.</paragraph>
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<paragraph pageId="50" pageNumber="51">
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This subspecies is commonly included in cool temperate pasture and lawn grass seed mixes. More than 140 of the 162 chromosome counts RJS has compiled from the literature for this taxon are between 2
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<emphasis italics="true" pageId="50" pageNumber="51">n</emphasis>
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= 50 and 78. The collection of
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<emphasis italics="true" pageId="50" pageNumber="51">J.Rzedowski 22841</emphasis>
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seems a bit intermediate between this subspecies and
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<taxonomicName authorityName="Hitchc. Contr. U. S. Natl. Herb. 17 (3): 374" authorityYear="1913" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="50" pageNumber="51" phylum="Tracheophyta" rank="species" species="orizabensis">
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<emphasis italics="true" pageId="50" pageNumber="51">Poa orizabensis</emphasis>
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</taxonomicName>
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, since it has dense, scabrous branches, lightly pubescent lemma keels and marginal veins, and slightly pointed ligules. The collection of
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<emphasis italics="true" pageId="50" pageNumber="51">R.C.Moreno-C. 83</emphasis>
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is odd for its dense low tuft, with short, flat blades, lack of rhizomes, and smooth branches, combined with large spikelets, and may represent another inter-species hybrid.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |