338 lines
30 KiB
XML
338 lines
30 KiB
XML
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<document ID-DOI="10.15560/17.1.181" ID-ISSN="1809-127X" approvalRequired="195" approvalRequired_for_taxonomicNames="1" approvalRequired_for_textStreams="185" approvalRequired_for_treatments="9" checkinTime="1630281882285" checkinUser="marcus" docAuthor="Desjardins, Émilie, Lai, Sandra, Payette, Serge, Dubé, Martin, Sokoloff, Paul C., St-Louis, Annie, Poulin, Marie-Pier, Legros, Jade, Sirois, Luc, Vézina, François, Tam, Andrew & Berteaux, Dominique" docDate="2021" docId="7A1887E1A270FFA8FCAF6DC23C115EC4" docLanguage="en" docName="CheckList.2021.17.1.181-225.pdf" docOrigin="Check List 17 (1)" docSource="http://dx.doi.org/10.15560/17.1.181" docStyle="DocumentStyle:BB30DA0EB5D11E1D6FE264CD32192DE2.1:CheckList.2017-.journal_article.annotatedlist" docStyleId="BB30DA0EB5D11E1D6FE264CD32192DE2" docStyleName="CheckList.2017-.journal_article.annotatedlist" docStyleVersion="1" docTitle="Puccinellia angustata" docType="treatment" docVersion="1" lastPageId="29" lastPageNumber="210" masterDocId="8621FF99A26CFFB5FF856D5D3E2B5C72" masterDocTitle="Survey of the vascular plants of Alert (Ellesmere Island, Canada), a polar desert at the northern tip of the Americas" masterLastPageNumber="225" masterPageNumber="181" pageId="28" pageNumber="209" updateTime="1630281888554" updateUser="marcus" zenodo-license-document="CC-BY-4.0">
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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>Survey of the vascular plants of Alert (Ellesmere Island, Canada), a polar desert at the northern tip of the Americas</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>Desjardins, Émilie</mods:namePart>
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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>Lai, Sandra</mods:namePart>
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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>Payette, Serge</mods:namePart>
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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>Dubé, Martin</mods:namePart>
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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>Sokoloff, Paul C.</mods:namePart>
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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>St-Louis, Annie</mods:namePart>
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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>Poulin, Marie-Pier</mods:namePart>
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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>Legros, Jade</mods:namePart>
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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>Sirois, Luc</mods:namePart>
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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>Vézina, François</mods:namePart>
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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>Tam, Andrew</mods:namePart>
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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>Berteaux, Dominique</mods:namePart>
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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>Check List</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2021</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2021-02-09</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>17</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>1</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>181</mods:start>
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<mods:end>225</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/10.15560/17.1.181</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">10.15560/17.1.181</mods:identifier>
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<mods:identifier type="ISSN">1809-127X</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:7A1887E1A270FFA8FCAF6DC23C115EC4" httpUri="http://treatment.plazi.org/id/7A1887E1A270FFA8FCAF6DC23C115EC4" lastPageId="29" lastPageNumber="210" pageId="28" pageNumber="209">
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<subSubSection pageId="28" pageNumber="209" type="nomenclature">
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<paragraph blockId="28.[810,1344,159,218]" pageId="28" pageNumber="209">
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<heading fontSize="10" level="2" pageId="28" pageNumber="209" reason="2">
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<emphasis bold="true" pageId="28" pageNumber="209">
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<emphasis box="[810,1344,159,184]" inLineHeading="true" pageId="28" pageNumber="209" reason="1">
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<taxonomicName authority="(R. Brown)" baseAuthorityName="R. Brown" box="[810,1189,159,184]" class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="angustata">
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<emphasis bold="true" box="[810,1053,159,183]" italics="true" pageId="28" pageNumber="209">Puccinellia angustata</emphasis>
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(R. Brown)
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</taxonomicName>
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E.L. Rand &
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</emphasis>
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Redfield
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection box="[810,983,228,252]" pageId="28" pageNumber="209" type="description">
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<paragraph blockId="28.[809,1422,228,2091]" box="[810,983,228,252]" pageId="28" pageNumber="209">
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<figureCitation box="[810,940,228,252]" captionStart="Figure 10" captionStartId="22.[168,231,1741,1761]" captionTargetBox="[168,1419,160,1717]" captionTargetId="figure-185@22.[168,1422,160,1717]" captionTargetPageId="22" captionText="Figure 10. Poaceae. A. Alopecurus magellanicus Lamarck habitat and B. habit. C. Festuca brachyphylla Schultes & Schultes f. subsp. brachyphylla habit. D. Poa abbreviata R. Brown subsp. abbreviata habit and E. inflorescence. F. Puccinellia angustata (R. Brown) E.L. Rand & Redfield habit. Photos A by Audrey Le Pogam, B, D, by Émilie Desjardins, C by Jacob Caron Carrier, E by Sandra Lai, and F by Andrew Tam." pageId="28" pageNumber="209">Figures 10F</figureCitation>
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,
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<figureCitation box="[949,983,228,252]" captionStart="Figure 11" captionStartId="24.[169,232,1598,1618]" captionTargetBox="[168,1419,160,1574]" captionTargetId="figure-118@24.[168,1421,160,1574]" captionTargetPageId="24" captionText="Figure 11. Dry specimens of Poaceae spp. A. Deschampsia cespitosa (Linnaeus) Palisot de Beauvois subsp.septentrionalis Chiapella inflorescence. B. Festuca edlundiae S.G. Aiken, Consaul, & Lefkovitch inflorescence. C. Festuca hyperborea Holmen ex Frederiksen inflorescence and D. flag leaf blade. E. Festuca viviparoidea Krajina ex Pavlick subsp.viviparoidea inflorescence. F. Phippsia algida (Solander) R. Brown inflorescence. G. Poa abbreviata R. Brown subsp. abbreviata inflorescence. H. Poa arctica R. Brown subsp. arctica inflorescence. I. Poa pratensis Linnaeus subsp. colpodea (Th. Fries) Tzvelev inflorescence. J. Puccinellia angustata (R. Brown) E.L. Rand & Redfield inflorescence. K. Puccinellia bruggemannii T.J. SØrensen inflorescences. L. Puccinellia vahliana (Liebmann) Scribner & Merrill inflorescences. M. ×Pucciphippsia vacillans (T. Fries) Tzvelev inflorescence. Photos A–M by Kim Damboise. Scale bar: 1 cm." pageId="28" pageNumber="209">11J</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="29" lastPageNumber="210" pageId="28" pageNumber="209" type="materials_examined">
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<paragraph blockId="28.[809,1422,228,2091]" pageId="28" pageNumber="209">
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<emphasis bold="true" box="[810,1046,267,291]" pageId="28" pageNumber="209">Materials examined.</emphasis>
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<collectingCountry box="[1052,1165,267,291]" name="Canada" pageId="28" pageNumber="209">CANADA</collectingCountry>
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–
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<emphasis bold="true" box="[1191,1290,267,291]" pageId="28" pageNumber="209">
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<collectingRegion box="[1191,1290,267,291]" country="Canada" name="Nunavut" pageId="28" pageNumber="209">Nunavut</collectingRegion>
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</emphasis>
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• Ellesmere Island,
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<collectionCode box="[888,935,301,325]" country="Canada" httpUri="http://grbio.org/cool/4rrx-qe60" name="Canadian Forest Service, Pacific Forest Research Centre" pageId="28" pageNumber="209">CFS</collectionCode>
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Alert;
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<geoCoordinate box="[1011,1137,299,324]" degrees="82" direction="north" minutes="31" orientation="latitude" pageId="28" pageNumber="209" precision="15" seconds="04" value="82.517784">82°31′04″N</geoCoordinate>
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,
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<geoCoordinate box="[1147,1293,299,324]" degrees="062" direction="west" minutes="28" orientation="longitude" pageId="28" pageNumber="209" precision="15" seconds="48" value="-62.48">062°28′48″W</geoCoordinate>
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;
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<quantity box="[1303,1357,301,325]" metricMagnitude="1" metricUnit="m" metricValue="6.6" pageId="28" pageNumber="209" unit="m" value="66.0">66 m</quantity>
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a.s.l.;
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<date box="[810,940,334,359]" pageId="28" pageNumber="209" value="2019-07-27">27 Jul. 2019</date>
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; habitat: mesic, with hummocks made of till, dominated by
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<taxonomicName box="[973,1168,368,392]" class="Magnoliopsida" family="Caryophyllaceae" genus="Stellaria" kingdom="Plantae" order="Caryophyllales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="longipes">
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<emphasis box="[973,1168,368,392]" italics="true" pageId="28" pageNumber="209">Stellaria longipes</emphasis>
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</taxonomicName>
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,
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<emphasis italics="true" pageId="28" pageNumber="209">
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<taxonomicName box="[1185,1291,368,392]" class="Magnoliopsida" family="Saxifragaceae" genus="Saxifraga" kingdom="Plantae" order="Saxifragales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="genus">Saxifraga</taxonomicName>
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oppositifo- lia
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</emphasis>
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, and moss;
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<collectionCode box="[967,1018,402,426]" country="Canada" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15846" lsid="urn:lsid:biocol.org:col:15846" name="Herbier Louis-Marie, Unviersité Laval" pageId="28" pageNumber="209" type="Herbarium">QFA</collectionCode>
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0635529 • same locality;
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<geoCoordinate box="[1287,1415,401,426]" degrees="82" direction="north" minutes="29" orientation="latitude" pageId="28" pageNumber="209" precision="15" seconds="56" value="82.498886">82°29′56″N</geoCoordinate>
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,
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<geoCoordinate box="[810,954,435,460]" degrees="062" direction="west" minutes="19" orientation="longitude" pageId="28" pageNumber="209" precision="15" seconds="19" value="-62.321945">062°19′19″W</geoCoordinate>
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;
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<quantity box="[964,1017,436,460]" metricMagnitude="1" metricUnit="m" metricValue="4.8" pageId="28" pageNumber="209" unit="m" value="48.0">48 m</quantity>
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a.s.l.;
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<date box="[1085,1217,436,460]" pageId="28" pageNumber="209" value="2019-08-08">8 Aug. 2019</date>
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; habitat: xeric near the sewage outlet, with till and rocks as substrates, and sparse dominance of
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<taxonomicName box="[1043,1280,504,528]" class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="angustata">
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<emphasis box="[1043,1280,504,528]" italics="true" pageId="28" pageNumber="209">Puccinellia angustata</emphasis>
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</taxonomicName>
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and
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<emphasis italics="true" pageId="28" pageNumber="209">
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Cochle- aria
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<taxonomicName box="[862,1006,538,562]" class="Magnoliopsida" family="Brassicaceae" genus="Cochlearia" kingdom="Plantae" order="Brassicales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="groenlandica">groenlandica</taxonomicName>
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</emphasis>
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;
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<collectionCode box="[1020,1072,538,562]" country="Canada" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15846" lsid="urn:lsid:biocol.org:col:15846" name="Herbier Louis-Marie, Unviersité Laval" pageId="28" pageNumber="209" type="Herbarium">QFA</collectionCode>
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0635530.
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</paragraph>
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<paragraph blockId="28.[809,1422,228,2091]" pageId="28" pageNumber="209">
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<emphasis bold="true" box="[810,971,577,601]" pageId="28" pageNumber="209">Identification.</emphasis>
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Plants 10.5–24.0 cm high; herbaceous; caespitose. Fibrous roots present. Stems
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<quantity box="[1261,1356,611,635]" metricMagnitude="-1" metricUnit="m" metricValue="1.45" metricValueMax="2.1" metricValueMin="0.8" pageId="28" pageNumber="209" unit="cm" value="14.5" valueMax="21.0" valueMin="8.0">8–21 cm</quantity>
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long; erect, ascending, or prostrate; glabrous and sometimes scabrous below the inflorescence. Leaves basal and cau- line. Sheath margins glabrous or scabrous. Ligules
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="1.5" metricValueMax="1.7" metricValueMin="1.3" pageId="28" pageNumber="209" unit="mm" value="1.5" valueMax="1.7" valueMin="1.3">1.3– 1.7 mm</quantity>
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long. Basal leaf blades
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<quantity box="[1153,1271,746,770]" metricMagnitude="-2" metricUnit="m" metricValue="5.45" metricValueMax="8.4" metricValueMin="2.5" pageId="28" pageNumber="209" unit="mm" value="54.5" valueMax="84.0" valueMin="25.0">25–84 mm</quantity>
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long, 0.7–0.9 (1.4–1.5 flat) mm wide; linear; rolled in bud or flat; abax- ial and adaxial surfaces both glabrous; margins glabrous or scabrous. Flag leaf blades
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<quantity box="[1142,1264,848,872]" metricMagnitude="-2" metricUnit="m" metricValue="3.7" metricValueMax="4.8" metricValueMin="2.6" pageId="28" pageNumber="209" unit="mm" value="37.0" valueMax="48.0" valueMin="26.0">26–48 mm</quantity>
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long, 0.3–
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<quantity metricMagnitude="-4" metricUnit="m" metricValue="1.0" pageId="28" pageNumber="209" unit="mm" value="0.1">0.1 mm</quantity>
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wide. Inflorescence a diffuse or dense panicle;
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<quantity metricMagnitude="-2" metricUnit="m" metricValue="4.35" metricValueMax="5.7" metricValueMin="3.0" pageId="28" pageNumber="209" unit="mm" value="43.5" valueMax="57.0" valueMin="30.0">30– 57 mm</quantity>
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long. Branches at lowest inflorescence node 3;
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<quantity box="[810,952,949,973]" metricMagnitude="-3" metricUnit="m" metricValue="7.2" metricValueMax="11.5" metricValueMin="2.9" pageId="28" pageNumber="209" unit="mm" value="7.2" valueMax="11.5" valueMin="2.9">2.9–11.5 mm</quantity>
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long. Pedicels scabrous. Spikelets
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="5.4" metricValueMax="6.7" metricValueMin="4.1" pageId="28" pageNumber="209" unit="mm" value="5.4" valueMax="6.7" valueMin="4.1">4.1–6.7 mm</quantity>
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long, 1.5–2.0 mm wide. Florets per spikelet 3–5. First glumes 1.0–
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|
|
<quantity box="[943,1027,1017,1041]" metricMagnitude="-3" metricUnit="m" metricValue="1.6" pageId="28" pageNumber="209" unit="mm" value="1.6">1.6 mm</quantity>
|
|||
|
|
long; lanceolate; surface glabrous; margins scabrous; apices acuminate. Second glumes
|
|||
|
|
<quantity metricMagnitude="-3" metricUnit="m" metricValue="2.5999999999999996" metricValueMax="2.8" metricValueMin="2.4" pageId="28" pageNumber="209" unit="mm" value="2.5999999999999996" valueMax="2.8" valueMin="2.4">2.4– 2.8 mm</quantity>
|
|||
|
|
long (shorter than the lowest floret); lanceolate; veins 3; surface glabrous; margins scabrous; apices acuminate. Lemmas 3.0–
|
|||
|
|
<quantity box="[1052,1138,1153,1177]" metricMagnitude="-3" metricUnit="m" metricValue="3.9" pageId="28" pageNumber="209" unit="mm" value="3.9">3.9 mm</quantity>
|
|||
|
|
long,
|
|||
|
|
<quantity box="[1215,1349,1152,1176]" metricMagnitude="-4" metricUnit="m" metricValue="7.0" metricValueMax="8.0" metricValueMin="6.0" pageId="28" pageNumber="209" unit="mm" value="0.7" valueMax="0.8" valueMin="0.6">0.6–0.8 mm</quantity>
|
|||
|
|
wide; lanceolate; rounded on the back and with straight lemma tips; veins 4 or 5; surface dull, glabrous, and hairy, with hairs on and between the veins proximally; apices acute or erose, and glabrous or scabrous; awnless. Palea
|
|||
|
|
<quantity metricMagnitude="-3" metricUnit="m" metricValue="2.5999999999999996" metricValueMax="2.8" metricValueMin="2.4" pageId="28" pageNumber="209" unit="mm" value="2.5999999999999996" valueMax="2.8" valueMin="2.4">2.4–2.8 mm</quantity>
|
|||
|
|
long; veins hairy proximally, with curly simple hairs, and scabrous apically. Rachilla between first and second lemmas 1.0–
|
|||
|
|
<quantity box="[950,1032,1389,1413]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="28" pageNumber="209" unit="mm" value="1.5">1.5 mm</quantity>
|
|||
|
|
long. Androecium with 3 stamens and
|
|||
|
|
<quantity box="[855,981,1424,1448]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" metricValueMax="1.2" metricValueMin="0.8" pageId="28" pageNumber="209" unit="mm" value="1.0" valueMax="1.2" valueMin="0.8">0.8–1.2 mm</quantity>
|
|||
|
|
long anthers. Gynoecium with 2 styles.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph blockId="28.[809,1422,228,2091]" pageId="28" pageNumber="209">
|
|||
|
|
There are seven
|
|||
|
|
<taxonomicName box="[1025,1335,1457,1481]" class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="undetermined">
|
|||
|
|
<emphasis box="[1025,1147,1457,1481]" italics="true" pageId="28" pageNumber="209">Puccinellia</emphasis>
|
|||
|
|
Parlatore species
|
|||
|
|
</taxonomicName>
|
|||
|
|
present on Ellesmere Island (
|
|||
|
|
<collectionCode box="[1038,1099,1491,1515]" pageId="28" pageNumber="209">GBIF</collectionCode>
|
|||
|
|
2020). One of them,
|
|||
|
|
<taxonomicName class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="subSpecies" species="phryganodes" subSpecies="neoarctica">
|
|||
|
|
<emphasis italics="true" pageId="28" pageNumber="209">P. phryganodes</emphasis>
|
|||
|
|
subsp.
|
|||
|
|
<emphasis box="[991,1107,1526,1549]" italics="true" pageId="28" pageNumber="209">neoarctica</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, is spreading by leafy stolons, whereas the others are caespitose and do not have stolons (Consaul and Gillespie 2001;
|
|||
|
|
<bibRefCitation author="Aiken SG & Dallwitz MJ & Consaul LL & McJannet CL & Boles RL & Argus GW & Gillett JM & Scott PJ & Elven R & LeBlanc MC & Gillespie LJ & Brysting AK & Solstad H & Harris JG" box="[1217,1410,1593,1617]" pageId="28" pageNumber="209" refId="ref39312" refString="Aiken SG, Dallwitz MJ, Consaul LL, McJannet CL, Boles RL, Argus GW, Gillett JM, Scott PJ, Elven R, LeBlanc MC, Gillespie LJ, Brysting AK, Solstad H, Harris JG (2007) Flora of the Canadian Arctic Archipelago: descriptions, illustrations, identification, and information retrieval. CD-ROM, National Research Council of Canada Research Press, Ottawa, Canada. http: // nature. ca / aaflora / data. Accessed on: 2020 - 08 - 05." type="url" year="2007">Aiken et al. 2007</bibRefCitation>
|
|||
|
|
). The remaining species can be separated using the following combination of characters: in
|
|||
|
|
<taxonomicName box="[1179,1315,1661,1684]" class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="angustata">
|
|||
|
|
<emphasis box="[1179,1315,1661,1684]" italics="true" pageId="28" pageNumber="209">P. angustata</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="bruggemannii">
|
|||
|
|
<emphasis italics="true" pageId="28" pageNumber="209">P. bruggemannii</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, and
|
|||
|
|
<taxonomicName box="[978,1105,1694,1718]" class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="vahliana">
|
|||
|
|
<emphasis box="[978,1105,1694,1718]" italics="true" pageId="28" pageNumber="209">P. vahliana</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
the palea veins have curly, intertwined hairs proximally and are scabrous apically, in contrast to being glabrous proximally and scabrous or smooth distally in
|
|||
|
|
<taxonomicName authority="Swallen" authorityName="Swallen" box="[1051,1297,1796,1820]" class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="andersonii">
|
|||
|
|
<emphasis box="[1051,1199,1796,1820]" italics="true" pageId="28" pageNumber="209">P. andersonii</emphasis>
|
|||
|
|
Swallen
|
|||
|
|
</taxonomicName>
|
|||
|
|
,
|
|||
|
|
<taxonomicName authority="(Hooker) Fernald & Weatherby" authorityName="Fernald & Weatherby" baseAuthorityName="Hooker" class="Liliopsida" family="Poaceae" genus="Poa" kingdom="Plantae" order="Poales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="arctica">
|
|||
|
|
<emphasis box="[1311,1420,1797,1820]" italics="true" pageId="28" pageNumber="209">P. arctica</emphasis>
|
|||
|
|
(Hooker) Fernald & Weatherby
|
|||
|
|
</taxonomicName>
|
|||
|
|
, and
|
|||
|
|
<taxonomicName authority="(Lange) Fernald & Weatherby" authorityName="Fernald & Weatherby" baseAuthorityName="Lange" class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="vaginata">
|
|||
|
|
<emphasis box="[1205,1329,1831,1854]" italics="true" pageId="28" pageNumber="209">P. vaginata</emphasis>
|
|||
|
|
(Lange) Fernald & Weatherby
|
|||
|
|
</taxonomicName>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation author="Aiken SG & Dallwitz MJ & Consaul LL & McJannet CL & Boles RL & Argus GW & Gillett JM & Scott PJ & Elven R & LeBlanc MC & Gillespie LJ & Brysting AK & Solstad H & Harris JG" box="[1065,1262,1864,1888]" pageId="28" pageNumber="209" refId="ref39312" refString="Aiken SG, Dallwitz MJ, Consaul LL, McJannet CL, Boles RL, Argus GW, Gillett JM, Scott PJ, Elven R, LeBlanc MC, Gillespie LJ, Brysting AK, Solstad H, Harris JG (2007) Flora of the Canadian Arctic Archipelago: descriptions, illustrations, identification, and information retrieval. CD-ROM, National Research Council of Canada Research Press, Ottawa, Canada. http: // nature. ca / aaflora / data. Accessed on: 2020 - 08 - 05." type="url" year="2007">Aiken et al. 2007</bibRefCitation>
|
|||
|
|
;
|
|||
|
|
<bibRefCitation author="Saarela JM & Sokoloff PC & Gillespie LJ & Bull RD & Bennett BA" pageId="28" pageNumber="209" pagination="1 - 330" refId="ref44308" refString="Saarela JM, Sokoloff PC, Gillespie LJ, Bull RD, Bennett BA, Pono- marenko S (2020) Vascular plants of Victoria Island (Northwest Territories and Nunavut, Canada): a specimen-based study of an Arctic flora. PhytoKeys 141: 1 - 330. https: // doi. org / 10.3897 / phytokeys. 141.48810" type="journal article" year="2020">Saarela et al. 2020</bibRefCitation>
|
|||
|
|
). Among the three former species,
|
|||
|
|
<taxonomicName box="[1253,1376,1898,1922]" class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="vahliana">
|
|||
|
|
<emphasis box="[1253,1376,1898,1922]" italics="true" pageId="28" pageNumber="209">P. vahliana</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
has smooth pedicels, whereas they are scabrous in
|
|||
|
|
<taxonomicName class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="angustata">
|
|||
|
|
<emphasis italics="true" pageId="28" pageNumber="209">P. angustata</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
and
|
|||
|
|
<taxonomicName authority="(Saarela et al. 2020)" baseAuthorityName="Saarela" baseAuthorityYear="2020" box="[908,1316,1965,1989]" class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="bruggemannii">
|
|||
|
|
<emphasis box="[908,1089,1965,1989]" italics="true" pageId="28" pageNumber="209">P. bruggemannii</emphasis>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation author="Saarela JM & Sokoloff PC & Gillespie LJ & Bull RD & Bennett BA" box="[1103,1309,1965,1989]" pageId="28" pageNumber="209" pagination="1 - 330" refId="ref44308" refString="Saarela JM, Sokoloff PC, Gillespie LJ, Bull RD, Bennett BA, Pono- marenko S (2020) Vascular plants of Victoria Island (Northwest Territories and Nunavut, Canada): a specimen-based study of an Arctic flora. PhytoKeys 141: 1 - 330. https: // doi. org / 10.3897 / phytokeys. 141.48810" type="journal article" year="2020">Saarela et al. 2020</bibRefCitation>
|
|||
|
|
)
|
|||
|
|
</taxonomicName>
|
|||
|
|
. Inflores- cences, second glumes, and lemmas are reported to be longer in
|
|||
|
|
<taxonomicName box="[909,1044,2034,2057]" class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="28" pageNumber="209" phylum="Tracheophyta" rank="species" species="angustata">
|
|||
|
|
<emphasis box="[909,1044,2034,2057]" italics="true" pageId="28" pageNumber="209">P. angustata</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
(inflorescences
|
|||
|
|
<quantity box="[1219,1311,2033,2057]" metricMagnitude="-2" metricUnit="m" metricValue="8.5" metricValueMax="13.0" metricValueMin="4.0" pageId="28" pageNumber="209" unit="cm" value="8.5" valueMax="13.0" valueMin="4.0">4–13 cm</quantity>
|
|||
|
|
long; sec- ond glumes 1.9–3.0 mm long, with a length-width ratio
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph blockId="29.[168,778,160,694]" pageId="29" pageNumber="210">
|
|||
|
|
of 0.3–0.6; lemmas
|
|||
|
|
<quantity box="[391,522,160,184]" metricMagnitude="-3" metricUnit="m" metricValue="4.35" metricValueMax="5.2" metricValueMin="3.5" pageId="29" pageNumber="210" unit="mm" value="4.35" valueMax="5.2" valueMin="3.5">3.5–5.2 mm</quantity>
|
|||
|
|
long) than in
|
|||
|
|
<taxonomicName class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="29" pageNumber="210" phylum="Tracheophyta" rank="species" species="bruggemannii">
|
|||
|
|
<emphasis italics="true" pageId="29" pageNumber="210">P. bruggemannii</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
(inflorescences
|
|||
|
|
<quantity box="[453,537,194,218]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" metricValueMax="4.0" metricValueMin="1.0" pageId="29" pageNumber="210" unit="cm" value="2.5" valueMax="4.0" valueMin="1.0">1–4 cm</quantity>
|
|||
|
|
long; second glumes
|
|||
|
|
<quantity box="[168,297,228,252]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" metricValueMax="2.3" metricValueMin="1.7" pageId="29" pageNumber="210" unit="mm" value="2.0" valueMax="2.3" valueMin="1.7">1.7–2.3 mm</quantity>
|
|||
|
|
long, with a length-width ratio of 0.5–0.8; lemmas
|
|||
|
|
<quantity box="[259,387,262,286]" metricMagnitude="-3" metricUnit="m" metricValue="3.3" metricValueMax="3.8" metricValueMin="2.8" pageId="29" pageNumber="210" unit="mm" value="3.3" valueMax="3.8" valueMin="2.8">2.8–3.8 mm</quantity>
|
|||
|
|
long;
|
|||
|
|
<bibRefCitation author="Saarela JM & Sokoloff PC & Gillespie LJ & Bull RD & Bennett BA" box="[456,658,262,286]" pageId="29" pageNumber="210" pagination="1 - 330" refId="ref44308" refString="Saarela JM, Sokoloff PC, Gillespie LJ, Bull RD, Bennett BA, Pono- marenko S (2020) Vascular plants of Victoria Island (Northwest Territories and Nunavut, Canada): a specimen-based study of an Arctic flora. PhytoKeys 141: 1 - 330. https: // doi. org / 10.3897 / phytokeys. 141.48810" type="journal article" year="2020">Saarela et al. 2020</bibRefCitation>
|
|||
|
|
). However, we found that using only the length of the inflorescences, glumes, and lemmas did not unambiguously differentiate the two species. Indeed, we had specimens of
|
|||
|
|
<taxonomicName class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="29" pageNumber="210" phylum="Tracheophyta" rank="species" species="angustata">
|
|||
|
|
<emphasis italics="true" pageId="29" pageNumber="210">P. angustata</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
with shorter inflorescences (e.g.,
|
|||
|
|
<quantity box="[566,619,398,422]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="29" pageNumber="210" unit="cm" value="3.0">3 cm</quantity>
|
|||
|
|
long) and lem- mas (e.g.,
|
|||
|
|
<quantity box="[274,335,432,456]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="29" pageNumber="210" unit="mm" value="3.0">3 mm</quantity>
|
|||
|
|
long), and specimens of
|
|||
|
|
<taxonomicName box="[597,777,432,456]" class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="29" pageNumber="210" phylum="Tracheophyta" rank="species" species="bruggemannii">
|
|||
|
|
<emphasis box="[597,777,432,456]" italics="true" pageId="29" pageNumber="210">P. bruggemannii</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
with longer inflorescences (e.g.,
|
|||
|
|
<quantity box="[536,614,466,490]" metricMagnitude="-2" metricUnit="m" metricValue="4.5" pageId="29" pageNumber="210" unit="cm" value="4.5">4.5 cm</quantity>
|
|||
|
|
long), glumes (e.g.,
|
|||
|
|
<quantity box="[229,313,500,524]" metricMagnitude="-3" metricUnit="m" metricValue="2.9" pageId="29" pageNumber="210" unit="mm" value="2.9">2.9 mm</quantity>
|
|||
|
|
long), and lemmas (e.g.,
|
|||
|
|
<quantity box="[597,662,500,524]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="29" pageNumber="210" unit="mm" value="4.0">4 mm</quantity>
|
|||
|
|
long). We found however that the presence of incurved lemma tips in
|
|||
|
|
<taxonomicName box="[196,377,568,592]" class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="29" pageNumber="210" phylum="Tracheophyta" rank="species" species="bruggemannii">
|
|||
|
|
<emphasis box="[196,377,568,592]" italics="true" pageId="29" pageNumber="210">P. bruggemannii</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
and straight lemma tips in
|
|||
|
|
<taxonomicName class="Liliopsida" family="Poaceae" genus="Puccinellia" kingdom="Plantae" order="Poales" pageId="29" pageNumber="210" phylum="Tracheophyta" rank="species" species="angustata">
|
|||
|
|
<emphasis italics="true" pageId="29" pageNumber="210">P. angustata</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
was a good identification criterion, as well as an anther length>
|
|||
|
|
<quantity box="[334,418,636,660]" metricMagnitude="-4" metricUnit="m" metricValue="8.0" pageId="29" pageNumber="210" unit="mm" value="0.8">0.8 mm</quantity>
|
|||
|
|
and a plant height>
|
|||
|
|
<quantity box="[643,708,636,660]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="29" pageNumber="210" unit="cm" value="10.0">10 cm</quantity>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation author="Consaul LL & Gillespie LJ & Waterway MJ" pageId="29" pageNumber="210" pagination="916 - 937" refId="ref40941" refString="Consaul LL, Gillespie LJ, Waterway MJ (2008 a) Systematics of three North American polyploid arctic alkali grasses (Puccinellia, Poaceae): morphology, ploidy, and AFLP markers. Botany 86 (8): 916 - 937. https: // doi. org / 10.1139 / B 08 - 073" type="journal article" year="2008">Consaul et al. 2008a</bibRefCitation>
|
|||
|
|
;
|
|||
|
|
<bibRefCitation author="Saarela JM & Sokoloff PC & Gillespie LJ & Bull RD & Bennett BA" box="[357,559,670,694]" pageId="29" pageNumber="210" pagination="1 - 330" refId="ref44308" refString="Saarela JM, Sokoloff PC, Gillespie LJ, Bull RD, Bennett BA, Pono- marenko S (2020) Vascular plants of Victoria Island (Northwest Territories and Nunavut, Canada): a specimen-based study of an Arctic flora. PhytoKeys 141: 1 - 330. https: // doi. org / 10.3897 / phytokeys. 141.48810" type="journal article" year="2020">Saarela et al. 2020</bibRefCitation>
|
|||
|
|
).
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
</treatment>
|
|||
|
|
</document>
|