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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 &amp; Berteaux, Dominique" docDate="2021" docId="7A1887E1A27DFFA4FF2D6EC43A4E5E74" 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="Eriophorum scheuchzeri subsp. arcticum Novoselova" docType="treatment" docVersion="1" lastPageNumber="198" 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="17" pageNumber="198" updateTime="1630281888554" updateUser="marcus" zenodo-license-document="CC-BY-4.0">
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<mods:titleInfo>
<mods:title>Survey of the vascular plants of Alert (Ellesmere Island, Canada), a polar desert at the northern tip of the Americas</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Desjardins, Émilie</mods:namePart>
</mods:name>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Lai, Sandra</mods:namePart>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Payette, Serge</mods:namePart>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Dubé, Martin</mods:namePart>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Sokoloff, Paul C.</mods:namePart>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>St-Louis, Annie</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Poulin, Marie-Pier</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Legros, Jade</mods:namePart>
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<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Sirois, Luc</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Vézina, François</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Tam, Andrew</mods:namePart>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Berteaux, Dominique</mods:namePart>
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<mods:title>Check List</mods:title>
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<mods:part>
<mods:date>2021</mods:date>
<mods:detail type="pubDate">
<mods:number>2021-02-09</mods:number>
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<mods:detail type="volume">
<mods:number>17</mods:number>
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<mods:url>http://dx.doi.org/10.15560/17.1.181</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.15560/17.1.181</mods:identifier>
<mods:identifier type="ISSN">1809-127X</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:7A1887E1A27DFFA4FF2D6EC43A4E5E74" httpUri="http://treatment.plazi.org/id/7A1887E1A27DFFA4FF2D6EC43A4E5E74" lastPageNumber="198" pageId="17" pageNumber="198">
<subSubSection pageId="17" pageNumber="198" type="nomenclature">
<paragraph blockId="17.[168,713,921,979]" pageId="17" pageNumber="198">
<heading fontSize="10" level="2" pageId="17" pageNumber="198" reason="2">
<taxonomicName authority="Novoselova" authorityName="Novoselova" class="Liliopsida" family="Cyperaceae" genus="Eriophorum" kingdom="Plantae" order="Poales" pageId="17" pageNumber="198" phylum="Tracheophyta" rank="subSpecies" species="scheuchzeri" subSpecies="arcticum">
<emphasis bold="true" pageId="17" pageNumber="198">
<emphasis box="[168,713,921,945]" inLineHeading="true" pageId="17" pageNumber="198" reason="1">
<emphasis bold="true" box="[168,445,921,945]" italics="true" pageId="17" pageNumber="198">Eriophorum scheuchzeri</emphasis>
Hoppe subsp.
<emphasis bold="true" box="[613,713,921,945]" italics="true" pageId="17" pageNumber="198">arcticum</emphasis>
</emphasis>
Novoselova
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection box="[168,276,988,1012]" pageId="17" pageNumber="198" type="description">
<paragraph blockId="17.[167,779,988,2091]" box="[168,276,988,1012]" pageId="17" pageNumber="198">
<figureCitation box="[168,276,988,1012]" captionStart="Figure 7" captionStartId="18.[168,231,1167,1187]" captionTargetBox="[168,1419,160,1142]" captionTargetId="figure-371@18.[168,1422,160,1142]" captionTargetPageId="18" captionText="Figure 7. Cyperaceae. A. Carex fuliginosa Schkuhr habitat. B. Eriophorum scheuchzeri Hoppe subsp. arcticum Novoselova habit. C. Eriophorum triste (Th. Fries) Hadac &amp; Á. Löve habit with young and D. mature inflorescences. Photos A by Émilie Desjardins, B, D by Francis Robitaille, and C by Audrey Le Pogam." pageId="17" pageNumber="198">Figure 7B</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="17" pageNumber="198" type="materials_examined">
<paragraph blockId="17.[167,779,988,2091]" pageId="17" pageNumber="198">
<emphasis bold="true" box="[168,411,1027,1051]" pageId="17" pageNumber="198">Materials examined.</emphasis>
<collectingCountry box="[425,538,1027,1051]" name="Canada" pageId="17" pageNumber="198">CANADA</collectingCountry>
<emphasis bold="true" box="[579,678,1027,1051]" pageId="17" pageNumber="198">
<collectingRegion box="[579,678,1027,1051]" country="Canada" name="Nunavut" pageId="17" pageNumber="198">Nunavut</collectingRegion>
</emphasis>
• Ellesmere Island,
<collectionCode box="[317,364,1060,1084]" country="Canada" httpUri="http://grbio.org/cool/4rrx-qe60" name="Canadian Forest Service, Pacific Forest Research Centre" pageId="17" pageNumber="198">CFS</collectionCode>
Alert;
<geoCoordinate box="[451,580,1059,1084]" degrees="82" direction="north" minutes="27" orientation="latitude" pageId="17" pageNumber="198" precision="15" seconds="37" value="82.46027">82°2737″N</geoCoordinate>
,
<geoCoordinate box="[595,737,1059,1084]" degrees="062" direction="west" minutes="51" orientation="longitude" pageId="17" pageNumber="198" precision="15" seconds="53" value="-62.86472">062°5153″W</geoCoordinate>
;
<quantity metricMagnitude="1" metricUnit="m" metricValue="1.6" pageId="17" pageNumber="198" unit="m" value="16.0">16 m</quantity>
a.s.l.;
<date box="[267,407,1094,1118]" pageId="17" pageNumber="198" value="2019-07-20">20 Jul. 2019</date>
; habitat: wetland on the margins of a lake, with peat and till as substrates, dominated by moss,
<taxonomicName box="[239,509,1160,1184]" class="Liliopsida" family="Cyperaceae" genus="Eriophorum" kingdom="Plantae" order="Poales" pageId="17" pageNumber="198" phylum="Tracheophyta" rank="species" species="scheuchzeri">
<emphasis box="[239,509,1160,1184]" italics="true" pageId="17" pageNumber="198">Eriophorum scheuchzeri</emphasis>
</taxonomicName>
, and
<taxonomicName box="[572,770,1160,1184]" class="Liliopsida" family="Cyperaceae" genus="Eriophorum" kingdom="Plantae" order="Poales" pageId="17" pageNumber="198" phylum="Tracheophyta" rank="species" species="triste">
<emphasis box="[572,770,1160,1184]" italics="true" pageId="17" pageNumber="198">Eriophorum triste</emphasis>
</taxonomicName>
;
<collectionCode box="[168,220,1194,1218]" 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="17" pageNumber="198" type="Herbarium">QFA</collectionCode>
0635564.
</paragraph>
<paragraph blockId="17.[167,779,988,2091]" pageId="17" pageNumber="198">
<emphasis bold="true" box="[168,330,1232,1256]" pageId="17" pageNumber="198">Identification.</emphasis>
Plants
<quantity box="[421,520,1233,1257]" metricMagnitude="-1" metricUnit="m" metricValue="1.05" metricValueMax="1.3" metricValueMin="0.8" pageId="17" pageNumber="198" unit="cm" value="10.5" valueMax="13.0" valueMin="8.0">813 cm</quantity>
high; herbaceous; not caespitose. Fibrous roots and rhizomes present. Stems 6.511.0 cm long; erect; glabrous. Leaves basal and cauline; alternate. Sheath margins glabrous. Ligules
<quantity metricMagnitude="-3" metricUnit="m" metricValue="1.8" metricValueMax="3.1" metricValueMin="0.5" pageId="17" pageNumber="198" unit="mm" value="1.8" valueMax="3.1" valueMin="0.5">0.5 3.1 mm</quantity>
long. Basal leaf blades
<quantity box="[510,628,1366,1390]" metricMagnitude="-2" metricUnit="m" metricValue="4.25" metricValueMax="6.5" metricValueMin="2.0" pageId="17" pageNumber="198" unit="mm" value="42.5" valueMax="65.0" valueMin="20.0">2065 mm</quantity>
long, 0.52.0 mm wide; linear; folded; straight; abaxial and adaxial surfaces both glabrous; margins glabrous. Cauline bladeless leaves with sheaths brown apically and hyaline margins. Inflorescence a spike;
<quantity box="[526,644,1499,1523]" metricMagnitude="-2" metricUnit="m" metricValue="2.25" metricValueMax="3.0" metricValueMin="1.5" pageId="17" pageNumber="198" unit="mm" value="22.5" valueMax="30.0" valueMin="15.0">1530 mm</quantity>
long. Bract absent. Spikelet spherical; bisexual, with both sexes in each floret; sessile. Proximal scales (46 empty scales proximally); 3.0
<quantity box="[359,444,1599,1623]" metricMagnitude="-3" metricUnit="m" metricValue="6.3" pageId="17" pageNumber="198" unit="mm" value="6.3">6.3 mm</quantity>
long,
<quantity box="[517,610,1600,1624]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="4.0" metricValueMin="1.0" pageId="17" pageNumber="198" unit="mm" value="2.5" valueMax="4.0" valueMin="1.0">14 mm</quantity>
wide; ovate or lanceolate; grey or black, with hyaline margins; apices acute. Perianth represented by bristles; bright white. Androecium with 3 stamens and
<quantity box="[500,629,1700,1724]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" metricValueMax="1.5" metricValueMin="0.5" pageId="17" pageNumber="198" unit="mm" value="1.0" valueMax="1.5" valueMin="0.5">0.51.5 mm</quantity>
long anthers. Gynoecium with 1 style and 3 stigmas. Fruit an achene;
<quantity box="[169,298,1766,1790]" metricMagnitude="-3" metricUnit="m" metricValue="1.85" metricValueMax="2.2" metricValueMin="1.5" pageId="17" pageNumber="198" unit="mm" value="1.85" valueMax="2.2" valueMin="1.5">1.52.2 mm</quantity>
long,
<quantity box="[368,499,1766,1790]" metricMagnitude="-4" metricUnit="m" metricValue="7.5" metricValueMax="9.0" metricValueMin="6.0" pageId="17" pageNumber="198" unit="mm" value="0.75" valueMax="0.9" valueMin="0.6">0.60.9 mm</quantity>
wide; obovoid or lanceoloid; glabrous.
</paragraph>
<paragraph blockId="17.[167,779,988,2091]" pageId="17" pageNumber="198">
Four
<taxonomicName box="[268,603,1833,1857]" class="Liliopsida" family="Cyperaceae" genus="Eriophorum" kingdom="Plantae" order="Poales" pageId="17" pageNumber="198" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis box="[268,401,1833,1857]" italics="true" pageId="17" pageNumber="198">Eriophorum</emphasis>
Linnaeus species
</taxonomicName>
are present on Ellesmere Island (
<collectionCode box="[374,435,1867,1891]" pageId="17" pageNumber="198">GBIF</collectionCode>
2020). Only
<taxonomicName box="[596,689,1867,1890]" class="Liliopsida" family="Cyperaceae" genus="Eriophorum" kingdom="Plantae" order="Poales" pageId="17" pageNumber="198" phylum="Tracheophyta" rank="species" species="triste">
<emphasis box="[596,689,1867,1890]" italics="true" pageId="17" pageNumber="198">E. triste</emphasis>
</taxonomicName>
and
<taxonomicName authority="Honckeny subsp. angustifolium" class="Liliopsida" family="Cyperaceae" genus="Eriophorum" kingdom="Plantae" order="Poales" pageId="17" pageNumber="198" phylum="Tracheophyta" rank="subSpecies" species="angustifolium" subSpecies="angustifolium">
<emphasis italics="true" pageId="17" pageNumber="198">E. angustifolium</emphasis>
Honckeny subsp.
<emphasis box="[512,661,1900,1924]" italics="true" pageId="17" pageNumber="198">angustifolium</emphasis>
</taxonomicName>
have more than two spikelets, whereas
<taxonomicName box="[483,645,1933,1957]" class="Liliopsida" family="Cyperaceae" genus="Eriophorum" kingdom="Plantae" order="Poales" pageId="17" pageNumber="198" phylum="Tracheophyta" rank="species" species="scheuchzeri">
<emphasis box="[483,645,1933,1957]" italics="true" pageId="17" pageNumber="198">E. scheuchzeri</emphasis>
</taxonomicName>
and
<taxonomicName authority="Chamisso" authorityName="Chamisso" class="Liliopsida" family="Cyperaceae" genus="Eriophorum" kingdom="Plantae" order="Poales" pageId="17" pageNumber="198" phylum="Tracheophyta" rank="species" species="callitrix">
<emphasis italics="true" pageId="17" pageNumber="198">E. callitrix</emphasis>
Chamisso
</taxonomicName>
have a solitary spikelet (
<bibRefCitation author="Saarela JM &amp; Sokoloff PC &amp; Gillespie LJ &amp; Bull RD &amp; Bennett BA" pageId="17" pageNumber="198" 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 box="[247,411,2000,2024]" class="Liliopsida" family="Cyperaceae" genus="Eriophorum" kingdom="Plantae" order="Poales" pageId="17" pageNumber="198" phylum="Tracheophyta" rank="species" species="scheuchzeri">
<emphasis box="[247,411,2000,2024]" italics="true" pageId="17" pageNumber="198">E. scheuchzeri</emphasis>
</taxonomicName>
differs by having rhizomes and ≤7 empty proximal scales, whereas
<taxonomicName box="[567,686,2033,2057]" class="Liliopsida" family="Cyperaceae" genus="Eriophorum" kingdom="Plantae" order="Poales" pageId="17" pageNumber="198" phylum="Tracheophyta" rank="species" species="callitrix">
<emphasis box="[567,686,2033,2057]" italics="true" pageId="17" pageNumber="198">E. callitrix</emphasis>
</taxonomicName>
is caespitose (i.e., without rhizomes) and has usually ≥10 empty
</paragraph>
<paragraph blockId="17.[809,1421,160,518]" pageId="17" pageNumber="198">
proximal scales (
<bibRefCitation author="Saarela JM &amp; Sokoloff PC &amp; Gillespie LJ &amp; Bull RD &amp; Bennett BA" box="[1001,1217,160,184]" pageId="17" pageNumber="198" 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>
). In addition, two subspecies of
<taxonomicName box="[973,1138,194,218]" class="Liliopsida" family="Cyperaceae" genus="Eriophorum" kingdom="Plantae" order="Poales" pageId="17" pageNumber="198" phylum="Tracheophyta" rank="species" species="scheuchzeri">
<emphasis box="[973,1138,194,218]" italics="true" pageId="17" pageNumber="198">E. scheuchzeri</emphasis>
</taxonomicName>
are found on Ellesmere Island (
<collectionCode box="[891,952,227,251]" pageId="17" pageNumber="198">GBIF</collectionCode>
2020) and can be differentiated according to the following characters:
<taxonomicName box="[1118,1293,260,284]" class="Liliopsida" family="Cyperaceae" genus="Eriophorum" kingdom="Plantae" order="Poales" pageId="17" pageNumber="198" phylum="Tracheophyta" rank="subSpecies" species="scheuchzeri" subSpecies="arcticum">
subsp.
<emphasis box="[1196,1293,261,284]" italics="true" pageId="17" pageNumber="198">arcticum</emphasis>
</taxonomicName>
has spherical spikelets, whereas
<taxonomicName box="[1049,1251,294,318]" pageId="17" pageNumber="198" rank="subSpecies" subSpecies="scheuchzeri">
subsp.
<emphasis box="[1122,1251,294,318]" italics="true" pageId="17" pageNumber="198">scheuchzeri</emphasis>
</taxonomicName>
has hemispherical spikelets; proximal fertile scales of
<taxonomicName box="[1247,1421,327,351]" class="Liliopsida" family="Cyperaceae" genus="Eriophorum" kingdom="Plantae" order="Poales" pageId="17" pageNumber="198" phylum="Tracheophyta" rank="subSpecies" species="scheuchzeri" subSpecies="arcticum">
subsp.
<emphasis box="[1324,1421,328,351]" italics="true" pageId="17" pageNumber="198">arcticum</emphasis>
</taxonomicName>
are darker and gradually passing to paler grey tones with conspicuous hyaline margins, whereas proximal fertile scales of
<taxonomicName box="[918,1126,427,451]" pageId="17" pageNumber="198" rank="subSpecies" subSpecies="scheuchzeri">
subsp.
<emphasis box="[997,1126,427,451]" italics="true" pageId="17" pageNumber="198">scheuchzeri</emphasis>
</taxonomicName>
are completely dark with dark margins or reduced, sharply differentiated hyaline margins (
<bibRefCitation author="Saarela JM &amp; Sokoloff PC &amp; Gillespie LJ &amp; Bull RD &amp; Bennett BA" box="[912,1114,494,518]" pageId="17" pageNumber="198" 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>