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<document ID-CLB-Dataset="59958" ID-DOI="http://dx.doi.org/10.3897/phytokeys.230.103882" ID-GBIF-Dataset="58b283e2-bf49-4656-8668-6086b2b4e003" ID-Pensoft-Pub="1314-2003-230-1" ID-Pensoft-UUID="365B97AE96F45DB295043BF02F4AF4BE" ModsDocID="1314-2003-230-1" checkinTime="1691127498364" checkinUser="pensoft" docAuthor="Peterson, Paul M., Herrera Arrieta, Yolanda, Lobo Cabezas, Silvia &amp; Romaschenko, Konstantin" docDate="2023" docId="3895CF999F94557D8F57B133555362A1" docLanguage="en" docName="PhytoKeys 230: 1-106" docOrigin="PhytoKeys 230" docPubDate="2023-08-03" docSource="http://dx.doi.org/10.3897/phytokeys.230.103882" docTitle="Muhlenbergia spiciformis Trin., Mém. Acad. Imp. Sci. Saint-Pétersbourg. Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. 6,4 (3 – 4): 288. 1841. (Fig. 14, E-I)." docType="treatment" docVersion="2" id="365B97AE96F45DB295043BF02F4AF4BE" lastPageNumber="1" masterDocId="365B97AE96F45DB295043BF02F4AF4BE" masterDocTitle="Taxonomic revision of Muhlenbergia (Poaceae, Chloridoideae, Cynodonteae, Muhlenbergiinae) in Central America: phylogeny and classification" masterLastPageNumber="106" masterPageNumber="1" pageNumber="1" updateTime="1691128203638" updateUser="ExternalLinkService">
<mods:mods id="DBB65FDBE349EF71F40CD868689802B0" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="BF10A33F57E42CEC4EC5DC1157EB1F5A">
<mods:title id="4C9BD9094CAE55BEFA5C9217E9ED958E">Taxonomic revision of Muhlenbergia (Poaceae, Chloridoideae, Cynodonteae, Muhlenbergiinae) in Central America: phylogeny and classification</mods:title>
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<mods:name id="DD1A53F30123E441B03B177EE49C72CC" type="personal">
<mods:role id="9A3284A2BEF92934FEE51F6640D79215">
<mods:roleTerm id="75104CFC75DD1A89C66E5713B5326C16">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="E66ACC5A4FE513CA0AE02FB507EC77F1">Peterson, Paul M.</mods:namePart>
<mods:nameIdentifier id="9DD6D2CD3CD7153F59429E31ADC328E5" type="ORCID">https://orcid.org/0000-0001-9405-5528</mods:nameIdentifier>
<mods:affiliation id="3DD8F0005BA3DF0B272B4BA678962935">Department of Botany MRC- 166, National Museum of Natural History, Smithsonian Institution, Washington, DC 20013 - 7012, USA</mods:affiliation>
<mods:nameIdentifier id="E1206075FAA3DDE7E7FAA388BE1B4F08" type="email">peterson@si.edu</mods:nameIdentifier>
</mods:name>
<mods:name id="6CC3F225A07E3F490E3726726C16EC32" type="personal">
<mods:role id="A28457BA30CEAAFDD2B56B0BF4DE861D">
<mods:roleTerm id="7D6C47F0C8D31094665E40B1DC12B73D">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="A23B34DC61E1AF2F26E579BCF0CEF7C3">Herrera Arrieta, Yolanda</mods:namePart>
<mods:nameIdentifier id="948A5D13A056FE7689B0FD7DEFC64F88" type="ORCID">https://orcid.org/0000-0003-3814-6518</mods:nameIdentifier>
<mods:affiliation id="F09276FF773367DAB3BAE4685D177F51">Instituto Politecnico Nacional, CIIDIR Unidad-Durango-COFAA, Durango, C. P. 34220, Mexico</mods:affiliation>
</mods:name>
<mods:name id="20F73CDE71B8CF6C203F8AF9E2B503F7" type="personal">
<mods:role id="E712AE2D8596C3CD4B7DBA4265B9720D">
<mods:roleTerm id="9391F17F4995CD2F11CE3F4052040D00">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="FC62600B4DCEBB4856E48C5E50FD28EB">Lobo Cabezas, Silvia</mods:namePart>
<mods:nameIdentifier id="14536A621BBE02B794004AB8BD54DA82" type="ORCID">https://orcid.org/0009-0007-8100-2559</mods:nameIdentifier>
<mods:affiliation id="87CFB42815E9324A1F531319AB09B4CF">Herbario Nacional, Museo Nacional de Costa Rica, Apartado Postal 749 - 1000, San Jose, Costa Rica</mods:affiliation>
</mods:name>
<mods:name id="E99EFAB307D0490859F6E0C1483FD8B2" type="personal">
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<mods:roleTerm id="86B6C1093A265BBE2A6537D5096574FC">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="CCE2525A06082716969EDDCEE527120C">Romaschenko, Konstantin</mods:namePart>
<mods:nameIdentifier id="7677892D261B6E5E6118020274076BF2" type="ORCID">https://orcid.org/0000-0002-7248-4193</mods:nameIdentifier>
<mods:affiliation id="F864A2FDD7F3BFD17D7F9DD503D63A60">Department of Botany MRC- 166, National Museum of Natural History, Smithsonian Institution, Washington, DC 20013 - 7012, USA</mods:affiliation>
</mods:name>
<mods:typeOfResource id="973BF91116A1FB7420F33EC7A93FA939">text</mods:typeOfResource>
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<mods:title id="3FC68816F74B64FF2A5D31D4B39D38CF">PhytoKeys</mods:title>
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<mods:part id="0E6A8E314EEA4913121B3673414C5675">
<mods:date id="FADE9795618E36E979374C895E65721F">2023</mods:date>
<mods:detail id="32E90671B467063EF8C00C079474D8BF" type="pubDate">
<mods:number id="D4E2515DCC265686D31309AAC5AF98AD">2023-08-03</mods:number>
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<mods:detail id="A4C7C455276179A9DA602F10DA4B9403" type="volume">
<mods:number id="191D66BD3C1061CDECF9EA98BFBF1DEF">230</mods:number>
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<mods:start id="3F3F66A56DA881F4FAF80E8A9F2F67CF">1</mods:start>
<mods:end id="5656356632A448A75A84DA0A28842101">106</mods:end>
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<mods:url id="7F96C9FBC643BEEC7B632EB506E6351C">http://dx.doi.org/10.3897/phytokeys.230.103882</mods:url>
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<mods:classification id="1A1BD6EF7FAAEAD49D4B862F4B7F5F43">journal article</mods:classification>
<mods:identifier id="432A6805CE27617C96B28AE4F806950B" type="DOI">http://dx.doi.org/10.3897/phytokeys.230.103882</mods:identifier>
<mods:identifier id="22F61517733A50F678CCBC9603C03B2B" type="Pensoft-Pub">1314-2003-230-1</mods:identifier>
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<treatment id="3895CF999F94557D8F57B133555362A1" LSID="urn:lsid:plazi:treatment:3895CF999F94557D8F57B133555362A1" httpUri="http://treatment.plazi.org/id/3895CF999F94557D8F57B133555362A1" lastPageNumber="1" pageId="0" pageNumber="1">
<subSubSection id="3DFCD6856D52BE779C824BFD06950379" pageId="0" pageNumber="1" type="nomenclature">
<paragraph id="A5D1CFAD20EE19D0F0D9B00D5287D4CA" pageId="0" pageNumber="1">
31.
<taxonomicName id="172EAEE7938813D5B4F940AA279AC864" ID-CoL="44JND" ID-ENA="946662" LSID="3895CF99-9F94-557D-8F57-B133555362A1" authority="Trin., Mem. Acad. Imp. Sci. Saint-Petersbourg. Ser. 6, Sci. Math., Seconde Pt. Sci. Nat. 6,4 (3 - 4): 288. 1841. (Fig. 14, E-I)." authorityName="Trin., Mém. Acad. Imp. Sci. Saint-Pétersbourg. Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. 6,4 (3 – 4): 288. 1841. (Fig. 14, E-I)." class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia spiciformis" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="spiciformis">
Muhlenbergia spiciformis Trin.,
<normalizedToken id="BB857E4EE36B8AEA11F14CA3DE38FAB1" originalValue="Mém">Mem</normalizedToken>
. Acad. Imp. Sci.
<normalizedToken id="ABA0EBA765422E8EF6B286805B2B1525" originalValue="Saint-Pétersbourg">Saint-Petersbourg</normalizedToken>
.
<normalizedToken id="5CE865755A93ED52A47AF97DA149FEC1" originalValue="Sér">Ser</normalizedToken>
. 6, Sci. Math., Seconde Pt. Sci. Nat. 6,4(3-4): 288. 1841. (Fig. 14, E-I).
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="A7CBE92D2F0E0C1409E53C5410F18A7F" pageId="0" pageNumber="1" type="description">
<paragraph id="D1B202CCE99F7EA78AC934D5E59744B5" pageId="0" pageNumber="1">
<figureCitation id="30BDC6DDCC11AF70722C086EF77F17C8" captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. A-E Muhlenbergia spiciformis Trin. A habit B ligule C glumes D floret E stamens, pistil, and lodicules F-J Muhlenbergia setarioides E. Fourn. F habit G ligule H glumes I floret J stamens, pistil, and lodicules. A-E drawn from P. M. Peterson &amp; C. R. Annable 8361 (US) F-J drawn from D. E. Breedlove 9350 (US)." figureDoi="10.3897/phytokeys.230.103882.figure21" httpUri="https://binary.pensoft.net/fig/887889" pageId="0" pageNumber="1">Fig. 21A-E</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="B6EA6B9328211432D64C11C3CFCBED3E" pageId="0" pageNumber="1" type="reference_group">
<paragraph id="9E75891E93CDE8A4A5CB4F64CF862BFF" pageId="0" pageNumber="1">
<taxonomicName id="5507AC474924A20DD786C299BFCAB34A" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia acutijolia" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="acutijolia">= Muhlenbergia acutijolia</taxonomicName>
E. Fourn., Mexic. PI. 2:86. 1886. Type:
<normalizedToken id="46E4878BD88956131BC1AC1A78CF8967" originalValue="México">Mexico</normalizedToken>
, Veracruz, Orizaba, 8 Nov 1866,M. Bourgeau 3327 (holotype: P!; isotypes: MO-2974301!, US-87235! fragm! US-2561240!).
</paragraph>
<paragraph id="C3B63B51CDED5AD0B4EB611062C079F4" pageId="0" pageNumber="1">
<taxonomicName id="7DA9E42BBFBB77D50E62B765E9DF76E2" authorityName="Vasey" authorityYear="1892" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia parviglumis" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="parviglumis">= Muhlenbergia parviglumis</taxonomicName>
Vasey, Contr. U.S. Natl. Herb. 3(1):71. 1892. Type: U.S.A., Texas, 1887,
<emphasis id="F1A8B5B6E5D117AE26BC49B6143905C7" italics="true" pageId="0" pageNumber="1">G.C. Nealley s.n.</emphasis>
(holotype: US-81638!; isotype: US-994967!).
</paragraph>
</subSubSection>
<subSubSection id="0CEED21A9311E2086FC3E49E55B7CAB6" pageId="0" pageNumber="1" type="materials_examined">
<paragraph id="11F787A2D83E03D887F4069462BC53AC" pageId="0" pageNumber="1">
<typeStatus id="C72587FC642F49B30850F8C0D7B54CB7">Type</typeStatus>
.
</paragraph>
<paragraph id="4A6EE4AD42E41F718483B5B36CCB1A32" pageId="0" pageNumber="1">
<materialsCitation id="7D79491C6E2053B4F1F140A84CAD7DA8" collectingDate="2023-01-01" collectingDateMax="2023-12-31" collectingDateMin="2023-01-01" collectorName="J. Bot. Res. Inst. Texas" country="Mexico" location="Mexico" specimenCount="1" typeStatus="lectotype">
<normalizedToken id="D15E2BE8EAD96BD11EBACB02E84F6825" originalValue="México">
<collectingCountry id="E2050CD7385A51C982B42EBD65A12ABE" name="Mexico">Mexico</collectingCountry>
</normalizedToken>
, &quot;Southern
<normalizedToken id="CD08896FE5279D0E314AD63C064F5D94" originalValue="México,”">
<collectingCountry id="3C516032808C9B39C8921E1EBEC2121A" name="Mexico">Mexico</collectingCountry>
,&quot;
</normalizedToken>
<emphasis id="9216B1AE4FDF7049693092A8B4917998" italics="true" pageId="0" pageNumber="1">Karwinsky s.n.</emphasis>
(
<typeStatus id="317D556A3EC01D3440170C20137A98B3">lectotype</typeStatus>
: W-0002567! designated by
<bibRefCitation id="96B9A5B9CFD9FDCC537BC8681C1559F5" author="Peterson, P" journalOrPublisher="Journal of the Botanical Research Institute of Texas" pageId="0" pageNumber="1" pagination="933 - 1000" refId="B36" refString="Peterson, P, Valdes-Reyna, J, Herrera Arrieta, Y, 2007b. Muhlenbergiinae (Poaceae: Chloridoideae: Cynodonteae): from northeastern Mexico. Journal of the Botanical Research Institute of Texas 1 (2): 933 - 1000" title="Muhlenbergiinae (Poaceae: Chloridoideae: Cynodonteae): from northeastern Mexico." volume="1" year="2007 b">Peterson et al. 2007b</bibRefCitation>
in
<collectorName id="70B2078C88E9DED37FAFB16650602F37">J. Bot. Res. Inst. Texas</collectorName>
1(2): 989; isolectotype: LE fragm!)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="FD3E4B9200CE8174DFE6C355852F0DF7" pageId="0" pageNumber="1" type="description">
<paragraph id="5799AAB0A970C73E85AE57601AAB2BCA" pageId="0" pageNumber="1">Description.</paragraph>
<paragraph id="E27811C2A050440A2457AACF53AD21B1" pageId="0" pageNumber="1">
Caespitose
<emphasis id="34DCB2A4AE0FD987260871CA1A2D0722" bold="true" italics="true" pageId="0" pageNumber="1">perennials</emphasis>
, often short-lived and appearing as annuals.
<emphasis id="B94EEE49EE607791969D22C1CC72736B" bold="true" italics="true" pageId="0" pageNumber="1">Culms</emphasis>
25-80 cm tall, erect, slender and wiry, freely branching at the base, strigose to glabrous below the nodes;
<emphasis id="64A397E64CCD476D921B82DFF28DB319" bold="true" italics="true" pageId="0" pageNumber="1">internodes</emphasis>
mostly glabrous, usually 4-8 nodes per culm.
<emphasis id="535C9C1F2601A5EDAE6D84EA72219884" bold="true" italics="true" pageId="0" pageNumber="1">Leaf sheaths</emphasis>
3.5-12 cm long, shorter than the internodes, scaberulous;
<emphasis id="E19A54AB6F9038AD159D8EA8AE107D7F" bold="true" italics="true" pageId="0" pageNumber="1">ligules</emphasis>
1-3 mm long, deeply lacerate, margins hyaline, apex acuminate;
<emphasis id="EDEA95E9F9A067AA69D92ED89F7596B7" bold="true" italics="true" pageId="0" pageNumber="1">blades</emphasis>
2-12 cm long, 1-3 mm wide, flat to involute, hirsutulous to scabrous above and scaberulous below.
<emphasis id="A0FD905CC0B4A75E09BD814D6BFA1BD6" bold="true" italics="true" pageId="0" pageNumber="1">Panicles</emphasis>
4-18(-20) cm long, (0.6-)l-2.8 cm wide, narrow, contracted, sometimes interrupted below, loosely flowered;
<emphasis id="DF60470D7C84BC5F29C4122E767DFD69" bold="true" italics="true" pageId="0" pageNumber="1">primary branches</emphasis>
0.6-5 cm long, ascending and appressed occasionally spreading up to 30° from the rachises;
<emphasis id="CA1C9BC7D8EC617977F6515C270E218D" bold="true" italics="true" pageId="0" pageNumber="1">pedicels</emphasis>
0.1-3.0 mm long.
<emphasis id="F352324705ECF95C3EC4E6F8E7386058" bold="true" italics="true" pageId="0" pageNumber="1">Spikelets</emphasis>
2.8-4 mm long, erect;
<emphasis id="2BC8AB3F8BBE34C23C1D7A110FAAB912" bold="true" italics="true" pageId="0" pageNumber="1">glumes</emphasis>
0.3-1.0 mm long, less than 1/2 as long as the lemma, 1-veined, unequal, apex obtuse to acute, sometimes erose; lower glumes shorter than the upper glumes;
<emphasis id="0E6AF8499002D61BA1AFBA70C42A7928" bold="true" italics="true" pageId="0" pageNumber="1">lemmas</emphasis>
2.8-4 mm long, narrowly lanceolate, awned, purplish, scabrous roughened, sparsely appressed-pubescent on the calluses and lower 1/4 of the midveins and margins, the hairs less than 0.3 mm long, apex acuminate, the awn (10-)20-40 mm long, straight to flexuous;
<emphasis id="AEBEC9BCF8FAFBC2F367BE93FAE24DE6" bold="true" italics="true" pageId="0" pageNumber="1">paleas</emphasis>
2.6-3.9 mm long, narrowly lanceolate, sparsely pubescent between the veins on the basal 1/3, apex acuminate, scabrous;
<emphasis id="0F51575C1BDB99AEB91D06BD2BFC79F9" bold="true" italics="true" pageId="0" pageNumber="1">anthers</emphasis>
0.9-1.6 mm long, purplish.
<emphasis id="451004FEE3370BB13876B6396699A7AC" bold="true" italics="true" pageId="0" pageNumber="1">Caryopses</emphasis>
2-2.6 mm long, fusiform, brownish. 2
<emphasis id="6C9BA4029A70E932ABFBD3B5C81310F6" italics="true" pageId="0" pageNumber="1">n</emphasis>
= 40.
</paragraph>
</subSubSection>
<subSubSection id="A64A58678BC5204195AA63B9C25312EC" pageId="0" pageNumber="1" type="distribution">
<paragraph id="D68C52B4CB4B8370AC63A1CB929BF63D" pageId="0" pageNumber="1">Distribution.</paragraph>
<paragraph id="AA77974B1BE1E01C67977B505886722E" pageId="0" pageNumber="1">
This species ranges from the southwestern United States south to
<normalizedToken id="DF9AC2D5346FC0351B16BAFFE181CEA6" originalValue="México">Mexico</normalizedToken>
(Chiapas, Chihuahua, Coahuila, Hidalgo, Nuevo
<normalizedToken id="60888D7BC83E4388B10546834A2D9D07" originalValue="León">Leon</normalizedToken>
, Oaxaca, Puebla, Queretaro, San Luis
<normalizedToken id="5DC772BA5C2B84701F8B4D0FF53C08C0" originalValue="Potosí">Potosi</normalizedToken>
, Tamaulipas, Tlaxcala, Veracruz) [
<bibRefCitation id="0FAF3A98DA93B746C11060A260289CEA" author="Peterson, P" journalOrPublisher="Journal of the Botanical Research Institute of Texas" pageId="0" pageNumber="1" pagination="933 - 1000" refId="B36" refString="Peterson, P, Valdes-Reyna, J, Herrera Arrieta, Y, 2007b. Muhlenbergiinae (Poaceae: Chloridoideae: Cynodonteae): from northeastern Mexico. Journal of the Botanical Research Institute of Texas 1 (2): 933 - 1000" title="Muhlenbergiinae (Poaceae: Chloridoideae: Cynodonteae): from northeastern Mexico." volume="1" year="2007 b">Peterson et al. 2007b</bibRefCitation>
;
<bibRefCitation id="D6CF97AEBBE4F2C22DD7E0F75640158E" DOI="https://doi.org/10.21829/abm126.2019.1379" author="Sanchez-Ken, JG" journalOrPublisher="Acta Botanica Mexicana" pageId="0" pageNumber="1" pagination="1 - 115" refId="B53" refString="Sanchez-Ken, JG, 2018. Riqueza de especies, clasificacion y listado de las gramineas (Poaceae) de Mexico. Acta Botanica Mexicana 126 (126): 1 - 115, DOI: https://doi.org/10.21829/abm126.2019.1379" title="Riqueza de especies, clasificacion y listado de las gramineas (Poaceae) de Mexico." url="https://doi.org/10.21829/abm126.2019.1379" volume="126" year="2018">Sanchez-Ken 2018</bibRefCitation>
)].
</paragraph>
</subSubSection>
<subSubSection id="AA2CAE9450C8FB764CC409C22EB74EB9" pageId="0" pageNumber="1" type="ecology">
<paragraph id="C34735741CC495A4B1AB64E164737BC3" pageId="0" pageNumber="1">Ecology.</paragraph>
<paragraph id="ECB069FCFBF0D4764B86D6FF42E612D1" pageId="0" pageNumber="1">
<taxonomicName id="CC7AF187577116C396BCA58F1DD9199C" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia spiciformis" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="spiciformis">
<emphasis id="A9313A9CF4D8AA2FA3128E06DAEC0E75" italics="true" pageId="0" pageNumber="1">Muhlenbergia spiciformis</emphasis>
</taxonomicName>
grows on rocky slopes, cliffs, and calcareous rock.
</paragraph>
<paragraph id="20814AA50F1763965864F06C2FB4DE86" pageId="0" pageNumber="1">
outcrops, often in thorn-scrub and open woodland communities associated with
<taxonomicName id="8988F27723B728DFDF2F4652D51BEBB2" class="Dicotyledoneae" family="Fagaceae" genus="Quercus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="1" phylum="Angiospermae" rank="genus">
<emphasis id="F2FFE1C471B874D1F6FF0BD7CE25F1C9" italics="true" pageId="0" pageNumber="1">Quercus</emphasis>
</taxonomicName>
ssp.,
<taxonomicName id="5CA9FBF61038848B06E3ABBAA60D74A4" class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="1" phylum="Coniferophyta" rank="genus">
<emphasis id="6664550DFFE702A22FFA79FC3C06F784" italics="true" pageId="0" pageNumber="1">Pinus</emphasis>
</taxonomicName>
ssp.,
<taxonomicName id="CD3C12CC609BE14445F08CDF704114E6" lsidName="P. cembroides" pageId="0" pageNumber="1" rank="species" species="cembroides">
<emphasis id="2C05522F9B2CA2A47822B08E866D7FD3" italics="true" pageId="0" pageNumber="1">P. cembroides</emphasis>
</taxonomicName>
,
<taxonomicName id="2F56A9731AC9406DD816A890BB85C5A8" class="Coniferopsida" family="Cupressaceae" genus="Juniperus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Juniperus deppeana" order="Pinales" pageId="0" pageNumber="1" phylum="Gymnospermae" rank="species" species="deppeana">
<emphasis id="6DFC77529F1770263E94202116440612" italics="true" pageId="0" pageNumber="1">Juniperus deppeana</emphasis>
</taxonomicName>
,
<taxonomicName id="2B0F0508B988F9BDDAC13FE07696471E" class="Coniferopsida" family="Pinaceae" genus="Pseudotsuga" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Pseudotsuga menziesii" order="Pinales" pageId="0" pageNumber="1" phylum="Gymnospermae" rank="species" species="menziesii">
<emphasis id="C2B31F0EF5586631B908E823ED37D4F7" italics="true" pageId="0" pageNumber="1">Pseudotsuga menziesii</emphasis>
</taxonomicName>
,
<taxonomicName id="BC00CAECDFA7F232BA90B7F9C3B230C3" class="Coniferopsida" family="Pinaceae" genus="Abies" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Abies" order="Pinales" pageId="0" pageNumber="1" phylum="Gymnospermae" rank="genus">
<emphasis id="2CF4FE7D29259A4DC45C5133B031F39D" italics="true" pageId="0" pageNumber="1">Abies</emphasis>
</taxonomicName>
,
<taxonomicName id="8DAA63A1C7618F112D946D72B346A248" class="Coniferopsida" family="Cupressaceae" genus="Cupressus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Cupressus" order="Pinales" pageId="0" pageNumber="1" phylum="Gymnospermae" rank="genus">
<emphasis id="4F0948B2489AA35B4EA386443FDBF424" italics="true" pageId="0" pageNumber="1">Cupressus</emphasis>
</taxonomicName>
,
<taxonomicName id="661156DE3AF205E4BC8F2C48C773BF4E" class="Liliopsida" family="Agavaceae" genus="Agave" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Agave" order="Agavales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="genus">
<emphasis id="8703A3B203FE82FBFF3D1DFC04AD50DE" italics="true" pageId="0" pageNumber="1">Agave</emphasis>
</taxonomicName>
,
<taxonomicName id="3BC0F770DB3384CF5A3519F7E257ED42" class="Magnoliopsida" family="Rhamnaceae" genus="Ceanothus" higherTaxonomySource="IPNI" kingdom="Plantae" lsidName="Ceanothus" order="Rhamnales" pageId="0" pageNumber="1" phylum="Magnoliophyta" rank="genus">
<emphasis id="801DAA378C43649EE34AB3F8FE841B45" italics="true" pageId="0" pageNumber="1">Ceanothus</emphasis>
</taxonomicName>
,
<taxonomicName id="F5239514FD0777B9A507F2FDE4C48649" class="Dicotyledoneae" family="Fabaceae" genus="Acacia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Acacia" order="Rosales" pageId="0" pageNumber="1" phylum="Angiospermae" rank="genus">
<emphasis id="49571C7925EE99E506DE610CEE679120" italics="true" pageId="0" pageNumber="1">Acacia</emphasis>
</taxonomicName>
,
<taxonomicName id="ED14AD81142F576B7BAE4A04F8C0BEE5" class="Dicotyledoneae" family="Lamiaceae" genus="Salvia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Salvia" order="Tubiflorae" pageId="0" pageNumber="1" phylum="Angiospermae" rank="genus">
<emphasis id="05C05A0215FB2BDA85A9A38B853B9928" italics="true" pageId="0" pageNumber="1">Salvia</emphasis>
</taxonomicName>
,
<taxonomicName id="1F4E602E586E8E2146EB170A20F99AB4" class="Dicotyledones" family="Ericaceae" genus="Arbutus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Arbutus" order="Ericales" pageId="0" pageNumber="1" phylum="Angiospermae" rank="genus">
<emphasis id="E552A8E7290F2EFB96375F1A62E3B3F2" italics="true" pageId="0" pageNumber="1">Arbutus</emphasis>
</taxonomicName>
,
<taxonomicName id="A2603654182A36F7A98F8969B64AE60D" class="Dicotyledoneae" family="Cactaceae" genus="Opuntia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Opuntia" order="Cactales" pageId="0" pageNumber="1" phylum="Angiospermae" rank="genus">
<emphasis id="E0313B38D693B0BF187D7A35C1293C4D" italics="true" pageId="0" pageNumber="1">Opuntia</emphasis>
</taxonomicName>
and
<taxonomicName id="E7EBC2E9511AD9D90E1A65D1B5B70A91" class="Dicotyledoneae" family="Oleaceae" genus="Fraxinus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Fraxinus" order="Lamiales" pageId="0" pageNumber="1" phylum="Angiospermae" rank="genus">
<emphasis id="59614D87BE6229774F986DB3F70CEA39" italics="true" pageId="0" pageNumber="1">Fraxinus</emphasis>
</taxonomicName>
; 450-2800 m.
</paragraph>
</subSubSection>
<subSubSection id="F1333BC7351149B285F180D80A50FC11" pageId="0" pageNumber="1" type="comments">
<paragraph id="873A287484AF79D049002786B26ECCDE" pageId="0" pageNumber="1">Comments.</paragraph>
<paragraph id="246FB49583FDB81581BDC6B1A2F014CE" pageId="0" pageNumber="1">
In addition to being morphologically similar to
<taxonomicName id="1983350D534257E23DB5A282E8C091FE" family="Poaceae" kingdom="Plantae" lsidName="M. setarioides" order="Poales" pageId="0" pageNumber="1" rank="species" species="setarioides">
<emphasis id="6B0703F2C00ABE886A346AE2467E31A5" italics="true" pageId="0" pageNumber="1">M. setarioides</emphasis>
</taxonomicName>
(see earlier comments under
<taxonomicName id="80F2F3ACAD1721412F697C0EE3819CF2" family="Poaceae" kingdom="Plantae" lsidName="M. setarioides" order="Poales" pageId="0" pageNumber="1" rank="species" species="setarioides">
<emphasis id="EA577EE53636B0DF23F80247501BB34F" italics="true" pageId="0" pageNumber="1">M. setarioides</emphasis>
</taxonomicName>
),
<taxonomicName id="DB56AE55003D8582B225992133668FAA" family="Poaceae" kingdom="Plantae" lsidName="M. spiciformis" order="Poales" pageId="0" pageNumber="1" rank="species" species="spiciformis">
<emphasis id="3ED10AA4CE6B3AA71B866B212F45EC4B" italics="true" pageId="0" pageNumber="1">M. spiciformis</emphasis>
</taxonomicName>
can be confused with
<taxonomicName id="78D7A8B9FD5C306A0CF440AF89103586" family="Poaceae" kingdom="Plantae" lsidName="M. microsperma" order="Poales" pageId="0" pageNumber="1" rank="species" species="microsperma">
<emphasis id="A67D4D138879D804D3F0D73E8E89243C" italics="true" pageId="0" pageNumber="1">M. microsperma</emphasis>
</taxonomicName>
but differs in not having cleistogamous spikelets in the axils of the lower culm branches, panicles narrow, contracted, 0.6-2.8 cm wide (1-6.5 cm wide in
<taxonomicName id="3C9FF5E917D027F8EE1EBB7ADE41B1E1" family="Poaceae" kingdom="Plantae" lsidName="M. microsperma" order="Poales" pageId="0" pageNumber="1" rank="species" species="microsperma">
<emphasis id="A6FC2382627FA8B6A87A23C24D4ACE50" italics="true" pageId="0" pageNumber="1">M. microsperma</emphasis>
</taxonomicName>
) primary branches spreading up to 30° from the rachises (primary branches spreading up to 80° from the rachises in
<taxonomicName id="307F13BABA635BA34F760396FC3E905D" family="Poaceae" kingdom="Plantae" lsidName="M. microsperma" order="Poales" pageId="0" pageNumber="1" rank="species" species="microsperma">
<emphasis id="BDF9FBD6D865530AD9A8626B3CE06951" italics="true" pageId="0" pageNumber="1">M. microsperma</emphasis>
</taxonomicName>
), and ligules acuminate (truncate to obtuse in
<taxonomicName id="359DDF266107B481479F5CEA3724663B" family="Poaceae" kingdom="Plantae" lsidName="M. microsperma" order="Poales" pageId="0" pageNumber="1" rank="species" species="microsperma">
<emphasis id="8E8E66AAA85447CBE7442BD072A9D0BB" italics="true" pageId="0" pageNumber="1">M. microsperma</emphasis>
</taxonomicName>
) [
<bibRefCitation id="0BB1626D5C30E738B76A3AA7AF2C7ECB" author="Peterson, P" journalOrPublisher="Journal of the Botanical Research Institute of Texas" pageId="0" pageNumber="1" pagination="933 - 1000" refId="B36" refString="Peterson, P, Valdes-Reyna, J, Herrera Arrieta, Y, 2007b. Muhlenbergiinae (Poaceae: Chloridoideae: Cynodonteae): from northeastern Mexico. Journal of the Botanical Research Institute of Texas 1 (2): 933 - 1000" title="Muhlenbergiinae (Poaceae: Chloridoideae: Cynodonteae): from northeastern Mexico." volume="1" year="2007 b">Peterson et al. 2007b</bibRefCitation>
].
</paragraph>
<paragraph id="521B61AE17912680485C56B3DE4384A8" pageId="0" pageNumber="1">
<taxonomicName id="B87E65D1B6A077E277E3377E48ED1A1D" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia spiciformis" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="spiciformis">
<emphasis id="BACD1A7D4C79ADA4DCFFB0C7DED6EB9C" italics="true" pageId="0" pageNumber="1">Muhlenbergia spiciformis</emphasis>
</taxonomicName>
is a member of
<taxonomicName id="9B20091170ED7BAD6D239B8D923FBC79" family="Poaceae" kingdom="Plantae" lsidName="M. (Muhlenbergia) subsp. subg." order="Poales" pageId="0" pageNumber="1" rank="subGenus" subGenus="Muhlenbergia">M. subg. Muhlenbergia</taxonomicName>
and is sister to the
<emphasis id="6188531C72AE82C59E3F46E0C20A77DC" italics="true" pageId="0" pageNumber="1">
<taxonomicName id="30D728389D0CF5EA9A20E8CAF88B7088" family="Poaceae" kingdom="Plantae" lsidName="M. romaschenkoi" order="Poales" pageId="0" pageNumber="1" rank="species" species="romaschenkoi">M. romaschenkoi</taxonomicName>
-
<taxonomicName id="922BE11B8A85CF9726AFB4703FDCD666" family="Poaceae" genus="M." kingdom="Plantae" lsidName="M." order="Poales" pageId="0" pageNumber="1" rank="genus">M.</taxonomicName>
<taxonomicName id="EF03035B6A2639D557155700C6AEC297" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia tenuifolia" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="tenuifolia">Muhlenbergia tenuifolia</taxonomicName>
</emphasis>
pair in a recent biogeographical study based on DNA sequence analysis (
<bibRefCitation id="CFA8DFD41FC3923979A7DA665106718C" DOI="https://doi.org/10.1111/jse.12805" author="Peterson, PM" journalOrPublisher="Journal of Systematics and Evolution" pageId="0" pageNumber="1" pagination="621 - 629" refId="B41" refString="Peterson, PM, Roquet, C, Romaschenko, K, Herrera Arrieta, Y, Susanna, A, 2021. A biogeographical analysis of Muhlenbergia (Poaceae: Chloridoideae: Cynodonteae: Muhlenbergiinae). Journal of Systematics and Evolution 60 (3): 621 - 629, DOI: https://doi.org/10.1111/jse.12805" title="A biogeographical analysis of Muhlenbergia (Poaceae: Chloridoideae: Cynodonteae: Muhlenbergiinae)." url="https://doi.org/10.1111/jse.12805" volume="60" year="2021">Peterson et al. 2021</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="112B59FF0E1766DDFF91BDAD59D55ECB" pageId="0" pageNumber="1" type="materials_examined">
<paragraph id="36D73AD2C64B71F85638AD16C7BF8FD4" pageId="0" pageNumber="1">Specimens examined.</paragraph>
<paragraph id="2497FE0DC9CA2DE617D7769339A3CF39" pageId="0" pageNumber="1">
Mexico.
<emphasis id="1F1AAF4FB7021885EABAB0C848B0E64A" bold="true" pageId="0" pageNumber="1">
Chiapas:
<normalizedToken id="932953BB03F484A42A4A64DD64152DEF" originalValue="Comitán">Comitan</normalizedToken>
de
<normalizedToken id="9CA293DE5CF4691943E80C9A235EBFDB" originalValue="Domínguez">Dominguez</normalizedToken>
</emphasis>
: Laguna Chamula microwave station,
<quantity id="AE99A1527531D2C0CD7612E8EC2C762E" metricMagnitude="3" metricUnit="m" metricValue="4.0" unit="km" value="4.0">4 km</quantity>
SW of Highway 190 between
<normalizedToken id="15795A1E4C0A39BF200773003FC249AC" originalValue="Comitán">Comitan</normalizedToken>
and Amatenango del Valle,
<emphasis id="EBC0B840906CF73BA42F7AD8649236DE" italics="true" pageId="0" pageNumber="1">D.E. Breedlove &amp; G. Davidse 54857</emphasis>
(CAS, MO).
<emphasis id="3D7A3F6619BF4E9AC1DDBE3FE573A6C5" bold="true" pageId="0" pageNumber="1">Jilotol</emphasis>
:
<quantity id="5BF65859B7C60FDD058BA915D08BF0CB" metricMagnitude="4" metricUnit="m" metricValue="1.0" unit="km" value="10.0">10 km</quantity>
N of Jitotol near Rio Hondo,
<emphasis id="8B49080CB0F379DD36C7474E1B2A9A45" italics="true" pageId="0" pageNumber="1">D.E. Breedlove &amp; G. Davidse 55151</emphasis>
(CAS, MO).
<emphasis id="9842ADE0462762A8287F5703F231532D" bold="true" pageId="0" pageNumber="1">La Trinitaria</emphasis>
: along Mexican Highway
<quantity id="4FCB10F00C46E7DEE2F16A2EAD934556" metricMagnitude="5" metricUnit="m" metricValue="3.062581632" unit="mi" value="190.3">190, 3 miles</quantity>
south of La Trinitaria,
<emphasis id="484B0922BA84B5BE805F273A80466A4E" italics="true" pageId="0" pageNumber="1">D.E. Breedlove &amp; P.H. Raven 13235</emphasis>
(DS, US).
<emphasis id="D7E9828DFBB495A523BF38836BC44173" bold="true" pageId="0" pageNumber="1">
<collectingCountry id="73672107B8719C99E9291871E23E596F" name="Saint Kitts and Nevis">San Cristobal</collectingCountry>
de las Casas
</emphasis>
: NE edge of San Cristobal de las Casas,
<emphasis id="30DC205CA69A38683D8C271FAA113C22" italics="true" pageId="0" pageNumber="1">D.E. Breedlove &amp; G. Davidse 54748</emphasis>
(NY, CAS, MO); Northeast edge of San
<normalizedToken id="4497D7489D3C47C1F82589991F70C389" originalValue="Cristóbal">Cristobal</normalizedToken>
Las Casas,
<emphasis id="E06A2004D94191DC42B432D482C145C3" italics="true" pageId="0" pageNumber="1">D.E. Breedlove &amp; G. Davidse 54722</emphasis>
(CAS, MO); W edge of San Cristobal Las Casas,
<emphasis id="277F02942149283542369BB61E48ABEE" italics="true" pageId="0" pageNumber="1">D.E. Breedlove &amp; G. Davidse 53980</emphasis>
(CAS, MO, US); About
<quantity id="B0D0AA087634FB7D5CCF7B86DE77011D" metricMagnitude="3" metricUnit="m" metricValue="3.218688" unit="mi" value="2.0">2 miles</quantity>
SE of San
<normalizedToken id="1158993C8790E4394B678AF5308F9349" originalValue="Cristóbal">Cristobal</normalizedToken>
,
<emphasis id="B8170BCB213A74BEA0EB741428489C06" italics="true" pageId="0" pageNumber="1">J.R. Reeder &amp; C.G. Reeder 6066</emphasis>
(MO); Grassy slope of Cerro San
<normalizedToken id="3F88158C2CC29D7E18A522B805E61FEC" originalValue="Cristóbal">Cristobal</normalizedToken>
,
<emphasis id="F69156599C8CBF0198418E0736E3A361" italics="true" pageId="0" pageNumber="1">R.M. Laughlin 1761</emphasis>
(DS).
</paragraph>
</subSubSection>
</treatment>
</document>
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