175 lines
17 KiB
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175 lines
17 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.52.8721" ID-PMC="PMC4549883" ID-Pensoft-Pub="1314-2003-52-23" ID-Pensoft-UUID="FF88FF9505162F2FFFA7F372FF96FFC6" ID-PubMed="26311505" ID-Zenodo-Dep="576313" ModsDocID="1314-2003-52-23" checkinTime="1451251433656" checkinUser="pensoft" docAuthor="Gillespie, Lynn J., Saarela, Jeffery M., Sokoloff, Paul C. & Bull, Roger D." docDate="2015" docId="73ED9716E0DA5AE090F9CE13220C338B" docLanguage="en" docName="PhytoKeys 52: 23-79" docOrigin="PhytoKeys 52" docPubDate="2015-06-25" docSource="http://dx.doi.org/10.3897/phytokeys.52.8721" docTitle="Arenaria longipedunculata Hulten 1966" docType="treatment" docVersion="3" id="FF88FF9505162F2FFFA7F372FF96FFC6" lastPageNumber="43" masterDocId="FF88FF9505162F2FFFA7F372FF96FFC6" masterDocTitle="New vascular plant records for the Canadian Arctic Archipelago" masterLastPageNumber="79" masterPageNumber="23" pageNumber="43" updateTime="1668141407704" 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>New vascular plant records for the Canadian Arctic Archipelago</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>Gillespie, Lynn J.</mods:namePart>
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<mods:affiliation>Botany Section & Centre for Arctic Knowledge and Exploration, Research and Collections, Canadian Museum of Nature, P. O. Box 3443 Stn. D, Ottawa, Ontario K 1 P 6 P 4, Canada</mods:affiliation>
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<mods:nameIdentifier type="email">lgillespie@mus-nature.ca</mods:nameIdentifier>
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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>Saarela, Jeffery M.</mods:namePart>
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<mods:affiliation>Botany Section & Centre for Arctic Knowledge and Exploration, Research and Collections, Canadian Museum of Nature, P. O. Box 3443 Stn. D, Ottawa, Ontario K 1 P 6 P 4, Canada</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>Sokoloff, Paul C.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-7053-8557</mods:nameIdentifier>
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<mods:affiliation>Botany Section & Centre for Arctic Knowledge and Exploration, Research and Collections, Canadian Museum of Nature, P. O. Box 3443 Stn. D, Ottawa, Ontario K 1 P 6 P 4, Canada</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>Bull, Roger D.</mods:namePart>
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<mods:affiliation>Botany Section & Centre for Arctic Knowledge and Exploration, Research and Collections, Canadian Museum of Nature, P. O. Box 3443 Stn. D, Ottawa, Ontario K 1 P 6 P 4, Canada</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>2015</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2015-06-25</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>52</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>23</mods:start>
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<mods:end>79</mods:end>
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</mods:extent>
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</mods:part>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.52.8721</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.52.8721</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-52-23</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FF88FF9505162F2FFFA7F372FF96FFC6</mods:identifier>
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<mods:identifier type="Zenodo-Dep">576313</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182227944" LSID="urn:lsid:plazi:treatment:73ED9716E0DA5AE090F9CE13220C338B" httpUri="http://treatment.plazi.org/id/73ED9716E0DA5AE090F9CE13220C338B" lastPageNumber="43" pageId="20" pageNumber="43">
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<subSubSection pageId="20" pageNumber="43" type="nomenclature">
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<paragraph pageId="20" pageNumber="43">
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<taxonomicName LSID="73ED9716-E0DA-5AE0-90F9-CE13220C338B" authority="Hulten" authorityName="Hulten" authorityYear="1966" class="Magnoliopsida" family="Caryophyllaceae" genus="Arenaria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Arenaria longipedunculata" order="Caryophyllales" pageId="20" pageNumber="43" phylum="Tracheophyta" rank="species" species="longipedunculata">
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Arenaria longipedunculata
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<normalizedToken originalValue="Hultén">Hulten</normalizedToken>
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="20" pageNumber="43" type="common name">
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<paragraph pageId="20" pageNumber="43">Common name.</paragraph>
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<paragraph pageId="20" pageNumber="43">Long-stemmed sandwort</paragraph>
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</subSubSection>
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<subSubSection pageId="20" pageNumber="43" type="distribution">
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<paragraph pageId="20" pageNumber="43">Distribution.</paragraph>
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<paragraph pageId="20" pageNumber="43">Arctic-alpine amphi-Beringia-North America</paragraph>
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</subSubSection>
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<subSubSection pageId="20" pageNumber="43" type="comments">
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<paragraph pageId="20" pageNumber="43">Comments.</paragraph>
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<paragraph pageId="20" pageNumber="43">
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Our collections are the first records of the species for the CAA and Nunavut. Described by
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<bibRefCitation author="Hulten, E" journalOrPublisher="Botaniska Notiser" pageId="38" pageNumber="61" pagination="313 - 316" refId="B55" refString="Hulten, E, 1966. New species of Arenaria and Draba from Alaska and Yukon. Botaniska Notiser 119: 313 - 316" title="New species of Arenaria and Draba from Alaska and Yukon." volume="119" year="1966">
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<normalizedToken originalValue="Hultén">Hulten</normalizedToken>
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(1966)
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</bibRefCitation>
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from Arctic Alaska, this species was considered conspecific with
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<taxonomicName class="Magnoliopsida" family="Potamogetonaceae" genus="Arenaria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Arenaria humifusa" order="Caryophyllales" pageId="20" pageNumber="43" phylum="Tracheophyta" rank="species" species="humifusa">
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<emphasis italics="true" pageId="20" pageNumber="43">Arenaria humifusa</emphasis>
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</taxonomicName>
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by
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<bibRefCitation author="Porsild, AE" journalOrPublisher="National Museum of Natural Sciences, National Museums of Canada, Ottawa" pageId="40" pageNumber="63" pagination="1 - 667" refId="B76" refString="Porsild, AE, Cody, WJ, 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, National Museums of Canada, Ottawa: 1 - 667" title="Vascular Plants of the Continental Northwest Territories, Canada" year="1980">Porsild and Cody (1980)</bibRefCitation>
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, but has most recently been treated as a separate species (
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<bibRefCitation author="Cody, WJ" journalOrPublisher="NRC Research Press, Ottawa" pageId="36" pageNumber="59" pagination="1 - 669" refId="B22" refString="Cody, WJ, 2000. Flora of the Yukon Territory. NRC Research Press, Ottawa: 1 - 669" title="Flora of the Yukon Territory" year="2000">Cody 2000</bibRefCitation>
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,
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<bibRefCitation author="Flora of North America Editorial Committee" journalOrPublisher="Oxford University Press, Oxford and New York" pageId="38" pageNumber="61" pagination="51 - 56" refId="B48" refString="Flora of North America Editorial Committee, 2005. Arenaria Linnaeus. In: Flora of North America North of Mexico, Volume 5 Magnoliophyta: Caryophyllidae, part 2. Oxford University Press, Oxford and New York: 51 - 56" title="Arenaria Linnaeus." volumeTitle="Flora of North America North of Mexico, Volume 5 Magnoliophyta: Caryophyllidae, part 2." year="2005">Hartman et al. 2005</bibRefCitation>
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,
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<bibRefCitation author="Elven, R" journalOrPublisher="Journal of the Botanical Research Institute of Texas" pageId="37" pageNumber="60" publicationUrl="http://nhm2.uio.no/paf" refId="B37" refString="Elven, R, Murray, DF, Razzhivin, VY, Yurtsev, BA, 2011. Annotated checklist of the Panarctic Flora (PAF): Vascular plants, version 1.0., http://nhm2.uio.no/paf" title="Annotated checklist of the Panarctic Flora (PAF): Vascular plants, version 1.0" url="http://nhm2.uio.no/paf" year="2011">Elven et al. 2011</bibRefCitation>
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). While considered to have an amphi-Beringian distribution,
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<bibRefCitation author="Elven, R" journalOrPublisher="Journal of the Botanical Research Institute of Texas" pageId="37" pageNumber="60" publicationUrl="http://nhm2.uio.no/paf" refId="B37" refString="Elven, R, Murray, DF, Razzhivin, VY, Yurtsev, BA, 2011. Annotated checklist of the Panarctic Flora (PAF): Vascular plants, version 1.0., http://nhm2.uio.no/paf" title="Annotated checklist of the Panarctic Flora (PAF): Vascular plants, version 1.0" url="http://nhm2.uio.no/paf" year="2011">Elven et al. (2011)</bibRefCitation>
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suggested that the species may also be present in the CAA and Greenland based on the results of a phylogeographical analysis of AFLP data (
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<bibRefCitation author="Westergaard, KB" journalOrPublisher="Molecular Ecology" pageId="41" pageNumber="64" pagination="376 - 393" publicationUrl="10.1111/j.1365-294X.2010.04928.x" refId="B99" refString="Westergaard, KB, Alsos, IG, Popp, M, Engelskjon, T, Flatberg, KI, Brochmann, C, 2011. Glacial survival may matter after all: nunatak signatures in the rare European populations of two west-arctic species. Molecular Ecology 20 (2): 376 - 393, DOI: 10.1111/j.1365-294X.2010.04928.x" title="Glacial survival may matter after all: nunatak signatures in the rare European populations of two west-arctic species." url="10.1111/j.1365-294X.2010.04928.x" volume="20" year="2011">Westergaard et al. 2011</bibRefCitation>
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), a hypothesis supported here. Our collections from southeastern Victoria Island (det. R. Elven) and Baffin Island were identified as this species based on the character combination of long pedicels (10-20 mm) with glandular villous pubescence (not very short retrorse), flowers long-exserted above the leaves, sepals glandular villous basally, and leaf blade margins ciliate proximally (at least sparsely) (
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<bibRefCitation author="Flora of North America Editorial Committee" journalOrPublisher="Oxford University Press, Oxford and New York" pageId="38" pageNumber="61" pagination="51 - 56" refId="B48" refString="Flora of North America Editorial Committee, 2005. Arenaria Linnaeus. In: Flora of North America North of Mexico, Volume 5 Magnoliophyta: Caryophyllidae, part 2. Oxford University Press, Oxford and New York: 51 - 56" title="Arenaria Linnaeus." volumeTitle="Flora of North America North of Mexico, Volume 5 Magnoliophyta: Caryophyllidae, part 2." year="2005">Hartman et al. 2005</bibRefCitation>
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). We found that pedicel length varied among collections and was sometimes shorter than the range given for
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<taxonomicName authorityName="Hulten" authorityYear="1966" class="Magnoliopsida" family="Potamogetonaceae" genus="Arenaria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Arenaria longipedunculata" order="Caryophyllales" pageId="20" pageNumber="43" phylum="Tracheophyta" rank="species" species="longipedunculata">
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<emphasis italics="true" pageId="20" pageNumber="43">Arenaria longipedunculata</emphasis>
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</taxonomicName>
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(10-20 mm) in
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<bibRefCitation author="Flora of North America Editorial Committee" journalOrPublisher="Oxford University Press, Oxford and New York" pageId="38" pageNumber="61" pagination="51 - 56" refId="B48" refString="Flora of North America Editorial Committee, 2005. Arenaria Linnaeus. In: Flora of North America North of Mexico, Volume 5 Magnoliophyta: Caryophyllidae, part 2. Oxford University Press, Oxford and New York: 51 - 56" title="Arenaria Linnaeus." volumeTitle="Flora of North America North of Mexico, Volume 5 Magnoliophyta: Caryophyllidae, part 2." year="2005">Hartman et al. (2005)</bibRefCitation>
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; however, other characters were consistent with our identification. Pedicels are 10-20 mm (
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<emphasis italics="true" pageId="20" pageNumber="43">Saarela et al. 2776</emphasis>
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) and 5-10 mm long (
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<emphasis italics="true" pageId="20" pageNumber="43">Saarela et al. 2477</emphasis>
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) on the Baffin Island collections, and 9-12 mm long (
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<emphasis italics="true" pageId="20" pageNumber="43">Gillespie et al. 7721</emphasis>
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) on the Victoria Island collection (flowers were still in bud with pedicels up to 6 mm long on
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<emphasis italics="true" pageId="20" pageNumber="43">Gillespie et al. 8136</emphasis>
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). Plants were small and tufted, and were growing in moss on moist to wet riparian meadows on Victoria Island and in mossy tundra at base of slopes or cliffs on Baffin Island.
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</paragraph>
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<paragraph pageId="20" pageNumber="43">
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The ranges of
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<taxonomicName authorityName="Hulten" authorityYear="1966" class="Magnoliopsida" family="Potamogetonaceae" genus="Arenaria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Arenaria longipedunculata" order="Caryophyllales" pageId="20" pageNumber="43" phylum="Tracheophyta" rank="species" species="longipedunculata">
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<emphasis italics="true" pageId="20" pageNumber="43">Arenaria longipedunculata</emphasis>
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</taxonomicName>
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and
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<taxonomicName class="Magnoliopsida" family="Potamogetonaceae" genus="Arenaria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Arenaria humifusa" order="Caryophyllales" pageId="20" pageNumber="43" phylum="Tracheophyta" rank="species" species="humifusa">
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<emphasis italics="true" pageId="20" pageNumber="43">Arenaria humifusa</emphasis>
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</taxonomicName>
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overlap in the Arctic Islands; indeed we collected both species in the Soper River-Kimmirut area on Baffin Island, and both on Victoria Island but in different localities. In northern Quebec and Newfoundland some large specimens identified as
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<taxonomicName class="Magnoliopsida" family="Potamogetonaceae" genus="Arenaria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Arenaria humifusa" order="Caryophyllales" pageId="20" pageNumber="43" phylum="Tracheophyta" rank="species" species="humifusa">
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<emphasis italics="true" pageId="20" pageNumber="43">Arenaria humifusa</emphasis>
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</taxonomicName>
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appear to approach
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<taxonomicName authorityName="Hulten" authorityYear="1966" class="Magnoliopsida" family="Potamogetonaceae" genus="Arenaria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Arenaria longipedunculata" order="Caryophyllales" pageId="20" pageNumber="43" phylum="Tracheophyta" rank="species" species="longipedunculata">
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<emphasis italics="true" pageId="20" pageNumber="43">Arenaria longipedunculata</emphasis>
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</taxonomicName>
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in some characters; these robust matted plants have elongate stems with long internodes and pedicels. Further study of this species complex is needed to determine more precisely species boundaries and distributions and to determine if hybrid or introgressed populations exist in the Canadian Arctic.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="20" pageNumber="43" type="specimens examined">
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<paragraph pageId="20" pageNumber="43">Specimens examined.</paragraph>
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<paragraph pageId="20" pageNumber="43">
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<emphasis bold="true" pageId="20" pageNumber="43">Canada. Nunavut</emphasis>
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: Kitikmeot Region, Victoria Island, vicinity of river flowing into Clauston Bay, 3-4 km from river mouth,
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<geoCoordinate degrees="69" direction="north" minutes="2" orientation="latitude" precision="15" seconds="39" value="69.04417">69°2'39"N</geoCoordinate>
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,
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<geoCoordinate degrees="113" direction="west" minutes="25" orientation="longitude" precision="15" seconds="15" value="-113.42083">113°25'15"W</geoCoordinate>
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, 10-20 m, 8 July 2008,
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<emphasis italics="true" pageId="20" pageNumber="43">Gillespie, Saarela, Consaul & Bull 7721</emphasis>
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(CAN-592340); Kitikmeot Region, Victoria Island W end of Johansen Bay at mouth of Mackenzie Creek,
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<geoCoordinate degrees="68" direction="north" minutes="36" orientation="latitude" precision="15" seconds="4" value="68.60111">68°36'4"N</geoCoordinate>
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,
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<geoCoordinate degrees="111" direction="west" minutes="21" orientation="longitude" precision="15" seconds="7" value="-111.351944">111°21'7"W</geoCoordinate>
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, 0-20 m, 20 July 2008,
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<emphasis italics="true" pageId="20" pageNumber="43">Gillespie, Saarela, Consaul & Bull 8136</emphasis>
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(CAN-593142); Qikiqtaaluk Region, Baffin Island, Katannilik Territorial Park Reserve, Soper River, 18.5 km downstream (south) of its confluence with the Livingstone River, 2 km south of Emergency Cabin #8, west side of river,
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<geoCoordinate degrees="62" direction="north" minutes="59" orientation="latitude" precision="15" seconds="20" value="62.988888">62°59'20"N</geoCoordinate>
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,
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<geoCoordinate degrees="69" direction="west" minutes="43" orientation="longitude" precision="15" seconds="41" value="-69.72806">69°43'41"W</geoCoordinate>
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, 36 m, 15 July 2012,
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<emphasis italics="true" pageId="20" pageNumber="43">Saarela, Gillespie, Sokoloff & Bull 2477</emphasis>
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(CAN-601731); Qikiqtaaluk Region, Baffin Island, Kimmirut, west end of Fundo Lake, ca. 2 km west of hamlet,
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<geoCoordinate degrees="62" direction="north" minutes="50" orientation="latitude" precision="15" seconds="44" value="62.845554">62°50'44"N</geoCoordinate>
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,
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<geoCoordinate degrees="69" direction="west" minutes="54" orientation="longitude" precision="15" seconds="6" value="-69.901665">69°54'6"W</geoCoordinate>
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, 40 m, 22 July 2012,
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<emphasis italics="true" pageId="20" pageNumber="43">Saarela, Gillespie, Sokoloff & Bull 2776</emphasis>
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(CAN-601732).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |