149 lines
18 KiB
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149 lines
18 KiB
XML
<document id="34526B8F10F5A30CA8430A27BC6B0EAC" ID-DOI="10.11646/phytotaxa.443.1.10" ID-ISSN="1179-3163" ID-Zenodo-Dep="13878387" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1727831144574" checkinUser="felipe" docAuthor="Van Westen, Marien C. & Coesel, Peter F. M." docDate="2020" docId="397C8781FFAAFF90FE9BFB31AEF73038" docLanguage="en" docName="phytotaxa.443.1.10.pdf" docOrigin="Phytotaxa 443 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.443.1.10" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Cosmarium arcuatiporosum Van Westen et Coesel 2020, spec. nov." docType="treatment" docVersion="2" lastPageNumber="112" masterDocId="C545FFF9FFAFFF95FE13FF83AA673830" masterDocTitle="Taxonomic notes on desmids from the Netherlands III, with a description of five new species" masterLastPageNumber="115" masterPageNumber="107" pageNumber="112" updateTime="1727837254391" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:titleInfo id="CF778EE80B61566AAEBC577456EF91D0">
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<mods:title id="AEF5C2EEA4EF9BECC29BA2451364E6CF">Taxonomic notes on desmids from the Netherlands III, with a description of five new species</mods:title>
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</mods:titleInfo>
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<mods:name id="68338355B4B7D23B91FB5EB9FB351CEC" type="personal">
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<mods:role id="850203F97686B31AD159900EF1A76AAD">
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<mods:roleTerm id="85C61158DDAD94AE529E0E57DB8F0D17">Author</mods:roleTerm>
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<mods:namePart id="39C2B599C7FA3372B95FC4676DBFA13A">Van Westen, Marien C.</mods:namePart>
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<mods:nameIdentifier id="A43899D5A02283D56912D4A90484C838" type="ORCID">0000-0001-6905-9471</mods:nameIdentifier>
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<mods:affiliation id="BBD456D7F47D2B95020DA0BA354E3FBC">Podzolhamel 26, 9403 XC Assen, The Netherlands.</mods:affiliation>
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<mods:nameIdentifier id="B24A63B3813E5069E61F9ED129AF39EB" type="email">mvanwesten@home.nl</mods:nameIdentifier>
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</mods:name>
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<mods:name id="9A26F3EC2F86DEAFAA147F31B9444927" type="personal">
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<mods:role id="3130E1FC94ED48160D7A633CA63FA549">
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<mods:roleTerm id="4DEAB682916EFF790E6CCEF15696E927">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="EF06F76AC3CCA46DF3538CD2E220A87A">Coesel, Peter F. M.</mods:namePart>
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<mods:nameIdentifier id="33D62DD0AEE0E642B0C3F38A54166785" type="ORCID">0000-0001-7709-4154</mods:nameIdentifier>
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<mods:affiliation id="95157C6A9468A358E5F3DBDD8CC48F1B">Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Box 94240, 1090 GE Amsterdam, The Netherlands.</mods:affiliation>
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<mods:nameIdentifier id="8D9F33C23C38AF1FC67D1C99466BF0D1" type="email">p.f.m.coesel@uva.nl</mods:nameIdentifier>
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<mods:title id="6793DA0E85D5DF90019CF5FFCC55FFF5">Phytotaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="8563B99A19A93E68FE79B46984FB6BA3">
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<mods:date id="1976EB1281EA567B06470D593C4A93CC">2020</mods:date>
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<mods:number id="EF8550F5977AB2FEE66D3FDF7CC40542">2020-05-18</mods:number>
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<mods:number id="B2565B2A11CFB0E35A9E4909A05813D9">443</mods:number>
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<mods:detail id="B58F186C05847E37111168AEFBD56486" type="issue">
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<mods:number id="BE1E7A89E1BCE63F13CB3270F84A6FF4">1</mods:number>
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<mods:start id="FA047D19B02F261C41D9C0D51F8F04D4">107</mods:start>
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<mods:end id="C23555CF269F165C78DDE1D67CB4AFFB">115</mods:end>
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<mods:url id="A2128BA178963B1C78898D85FF48420F">http://dx.doi.org/10.11646/phytotaxa.443.1.10</mods:url>
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<mods:classification id="6CA7242B40BDF025FB1FEC4C4E05928D">journal article</mods:classification>
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<mods:identifier id="D11C0DC062C8D205BDF4B9AB516AF6AC" type="DOI">10.11646/phytotaxa.443.1.10</mods:identifier>
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<mods:identifier id="147F340C710F78A2396D511C8A2BAAD3" type="ISSN">1179-3163</mods:identifier>
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<mods:identifier id="45809AC6ECE0A136ECE6A9E5A3970271" type="Zenodo-Dep">13878387</mods:identifier>
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<treatment id="397C8781FFAAFF90FE9BFB31AEF73038" ID-DOI="http://doi.org/10.5281/zenodo.13878391" ID-Zenodo-Dep="13878391" LSID="urn:lsid:plazi:treatment:397C8781FFAAFF90FE9BFB31AEF73038" httpUri="http://treatment.plazi.org/id/397C8781FFAAFF90FE9BFB31AEF73038" lastPageNumber="112" pageId="5" pageNumber="112">
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<subSubSection id="F9CF651CFFAAFF90FE9BFB31AE123CFC" box="[136,1141,1202,1229]" pageId="5" pageNumber="112" type="nomenclature">
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<paragraph id="B16A3697FFAAFF90FE9BFB31AE123CFC" blockId="5.[136,1141,1202,1229]" box="[136,1141,1202,1229]" pageId="5" pageNumber="112">
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<heading id="EA2281FBFFAAFF90FE9BFB31AE123CFC" box="[136,1141,1202,1229]" fontSize="11" level="2" pageId="5" pageNumber="112" reason="3">
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<taxonomicName id="76D54D14FFAAFF90FE9BFB31A8A03CFC" authority="Van Westen et Coesel" authorityName="Van Westen et Coesel" authorityYear="2020" box="[136,711,1202,1229]" class="Magnoliopsida" family="Ranunculaceae" genus="Cosmarium" kingdom="Plantae" order="Ranunculales" pageId="5" pageNumber="112" phylum="Tracheophyta" rank="species" species="arcuatiporosum" status="sp. nov.">
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<emphasis id="83A1EA85FFAAFF90FE9BFB31ABA93CFC" bold="true" box="[136,462,1202,1228]" italics="true" pageId="5" pageNumber="112">Cosmarium arcuatiporosum</emphasis>
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Van Westen et Coesel
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</taxonomicName>
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<taxonomicNameLabel id="989257FEFFAAFF90FCDDFB30A95A3CFD" box="[718,829,1203,1229]" pageId="5" pageNumber="112" rank="species">
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<emphasis id="83A1EA85FFAAFF90FCDDFB30A9523CFC" box="[718,821,1203,1228]" italics="true" pageId="5" pageNumber="112">spec. nov</emphasis>
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.
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</taxonomicNameLabel>
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(
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<figureCitation id="29EE2A12FFAAFF90FD5FFB31A9F43CFC" box="[844,915,1202,1228]" captionStart="FIGURES 1–6" captionStartId="1.[136,243,2022,2044]" captionTargetBox="[200,1386,486,1964]" captionTargetId="figure-139@1.[170,1416,458,1994]" captionTargetPageId="1" captionText="FIGURES 1–6. Drawings 1. Cosmarium logiensiforme. 2. C. mandosii. 3. C. arcuatiporosum (with zygospore). 4. Euastrum tumoriferum. 5. Eu. dubioides. 6. Eu. neogutwinskii (with zygospore)." figureDoi="http://doi.org/10.5281/zenodo.13878389" httpUri="https://zenodo.org/record/13878389/files/figure.png" pageId="5" pageNumber="112">Figs 3</figureCitation>
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,
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<figureCitation id="29EE2A12FFAAFF90FDB3FB31AE5B3CFC" box="[928,1084,1202,1228]" captionStart="FIGURES 16–25" captionStartId="3.[136,243,2024,2046]" captionTargetBox="[223,1365,605,1999]" captionTargetId="figure-222@3.[223,1365,605,1999]" captionTargetPageId="3" captionText="FIGURES 16–25. LM photographs. 16–19. Cosmarium arcuatiporosum (19. zygospore). 20–22. C. logiensiforme. 23-25. C. mandosii. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13878395" httpUri="https://zenodo.org/record/13878395/files/figure.png" pageId="5" pageNumber="112">16, 17, 18, 19</figureCitation>
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,
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<figureCitation id="29EE2A12FFAAFF90FA5BFB31AE0F3CFC" box="[1096,1128,1202,1228]" captionStart="FIGURES 26–34" captionStartId="4.[136,243,1953,1975]" captionTargetBox="[210,1377,190,1929]" captionTargetId="figure-22@4.[210,1377,190,1929]" captionTargetPageId="4" captionText="FIGURES 26–34. SEM photographs. 26. Cosmarium mandosii. 27. C. arcuatiporosum. 28. C. logiensiforme. 29. Euastrum tumoriferum. 30 Eu. neogutwinskii. 31.Eu. dubioides. 32. Eu. dubium var. dubium. 33 Eu. dubium var. ornatum. 34. Eu. denticulatum. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13878399" httpUri="https://zenodo.org/record/13878399/files/figure.png" pageId="5" pageNumber="112">27</figureCitation>
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).
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="F9CF651CFFAAFF90FE9BFB79AEF73038" pageId="5" pageNumber="112" type="diagnosis">
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<paragraph id="B16A3697FFAAFF90FE9BFB79AEBE3DDD" blockId="5.[136,1452,1274,2057]" pageId="5" pageNumber="112">Diagnosis: cells about as long as broad with a deep, median constriction. Sinus narrowly linear with a dilated extremity. Semicells in frontal view semicircular-trapeziform, the outline in the upper part of the sides often not quite firm. Cell wall smooth. Cell wall pores within the margin confined to two, disjunct zones: a single, arch-shaped series of pores just above the isthmus and some two, transversal series just below the apex. Semicells in lateral view subcircular, in apical view elliptic, in the middle of each side a little bit inflated. Chloroplast with a single, central pyrenoid. Dimensions: cell length 19–25 µm, cell breadth 17–22 µm, cell thickness 10–12 µm, isthmus 6–9 µm. Zygospores globose, furnished with furcate spines. Diameter without spines 22–24 µm, with spines 31–34 µm.</paragraph>
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<paragraph id="B16A3697FFAAFF90FEAEFA74A99C3E68" blockId="5.[136,1452,1274,2057]" pageId="5" pageNumber="112">
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Type:—
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<collectingCountry id="C9C27607FFAAFF90FF0BFA74A84B3E20" box="[280,556,1526,1553]" name="Netherlands" pageId="5" pageNumber="112">THE NETHERLANDS</collectingCountry>
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.
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<collectingRegion id="7311F875FFAAFF90FC28FA75A8FD3E20" box="[571,666,1526,1552]" country="Netherlands" name="Drenthe" pageId="5" pageNumber="112">Drenthe</collectingRegion>
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: shallow pool in estate Dwingelderveld near Lhee,
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<geoCoordinate id="D4E15050FFAAFF90FB10FA75AFC03E21" box="[1283,1447,1526,1553]" degrees="52.812811" direction="north" orientation="latitude" pageId="5" pageNumber="112" precision="1" value="52.812813">52.812811° N</geoCoordinate>
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,
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<geoCoordinate id="D4E15050FFAAFF90FE9BF999AB713E05" box="[136,278,1562,1589]" degrees="6.240110" direction="east" orientation="longitude" pageId="5" pageNumber="112" precision="1" value="6.24011">6.240110° E</geoCoordinate>
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, between
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<taxonomicName id="76D54D14FFAAFF90FF94F999AB9A3E04" authorityName="C.Linnaeus" authorityYear="1753" box="[391,509,1562,1588]" class="Sphagnopsida" family="Sphagnaceae" genus="Sphagnum" kingdom="Plantae" order="Sphagnales" pageId="5" pageNumber="112" phylum="Bryophyta" rank="genus">
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<emphasis id="83A1EA85FFAAFF90FF94F999AB9A3E04" box="[391,509,1562,1588]" italics="true" pageId="5" pageNumber="112">Sphagnum</emphasis>
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</taxonomicName>
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and filamentous algae, pH 5.6, conductivity 27 µS
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<superScript id="46A09BDFFFAAFF90FA57F998AE133E18" attach="left" box="[1092,1140,1562,1589]" fontSize="6" pageId="5" pageNumber="112">cm-1</superScript>
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. Van Westen,
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<date id="C56B1057FFAAFF90FB06F999AFCC3E04" box="[1301,1451,1562,1589]" pageId="5" pageNumber="112" value="2018-05-07">07 May 2018</date>
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(
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<typeStatus id="6E6E8835FFAAFF90FE83F9BDAA933E68" box="[144,244,1598,1624]" pageId="5" pageNumber="112" type="holotype">holotype</typeStatus>
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L! Hugo de Vries Lab 2019.03, preserved as a fixed natural sample).
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</paragraph>
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<paragraph id="B16A3697FFAAFF90FEAEF9E1A8A93F48" blockId="5.[136,1452,1274,2057]" pageId="5" pageNumber="112">
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<emphasis id="83A1EA85FFAAFF90FEAEF9E1ABDB3E4C" bold="true" box="[189,444,1634,1660]" pageId="5" pageNumber="112">Differential diagnosis</emphasis>
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:—In cell shape,
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<taxonomicName id="76D54D14FFAAFF90FC68F9E0A92B3E4C" authorityName="Van Westen et Coesel" authorityYear="2020" box="[635,844,1635,1661]" class="Magnoliopsida" family="Ranunculaceae" genus="Cosmarium" kingdom="Plantae" order="Ranunculales" pageId="5" pageNumber="112" phylum="Tracheophyta" rank="species" species="arcuatiporosum">
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<emphasis id="83A1EA85FFAAFF90FC68F9E0A92B3E4C" box="[635,844,1635,1661]" italics="true" pageId="5" pageNumber="112">C. arcuatiporosum</emphasis>
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</taxonomicName>
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somewhat resembles
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<taxonomicName id="76D54D14FFAAFF90FA52F9E0AF383E4C" authority="Nordstedt" authorityName="Nordstedt" box="[1089,1375,1634,1661]" class="Magnoliopsida" family="Ranunculaceae" genus="Cosmarium" kingdom="Plantae" order="Ranunculales" pageId="5" pageNumber="112" phylum="Tracheophyta" rank="species" species="subtumidum">
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<emphasis id="83A1EA85FFAAFF90FA52F9E0AE8C3E4C" box="[1089,1259,1634,1661]" italics="true" pageId="5" pageNumber="112">C. subtumidum</emphasis>
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Nordstedt
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</taxonomicName>
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and to a lesser extent
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<taxonomicName id="76D54D14FFAAFF90FF22F904A8343E90" authority="Ralfs. Apart" authorityName="Ralfs. Apart" box="[305,595,1670,1697]" class="Magnoliopsida" family="Ranunculaceae" genus="Cosmarium" kingdom="Plantae" order="Ranunculales" pageId="5" pageNumber="112" phylum="Tracheophyta" rank="species" species="phaseolus">
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<emphasis id="83A1EA85FFAAFF90FF22F904ABA53E90" box="[305,450,1670,1697]" italics="true" pageId="5" pageNumber="112">C. phaseolus</emphasis>
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Ralfs. Apart
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</taxonomicName>
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from the fact that those latter species have larger cell dimensions, the main difference is found in the pattern of cell wall pores. Nordstedt (in
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<bibRefCitation id="D5444B66FFAAFF90FD79F929AEAD3EF4" author="Wittrock, V. B. & Nordstedt, O." box="[874,1226,1706,1732]" pageId="5" pageNumber="112" pagination="67 - 73" refId="ref5147" refString="Wittrock, V. B. & Nordstedt, O. (1878) Algae aquae dulcis exsiccatae praecipue Scandinavicae quas adjectis algis marinis chlorophyllaceis et phycochromaceis distribuerunt. Botaniska Notiser 1878: 67 - 73." type="journal article" year="1878">Wittrock & Nordstedt 1878: 72</bibRefCitation>
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) for
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<taxonomicName id="76D54D14FFAAFF90FB11F928AFCC3EF4" box="[1282,1451,1706,1733]" class="Magnoliopsida" family="Ranunculaceae" genus="Cosmarium" kingdom="Plantae" order="Ranunculales" pageId="5" pageNumber="112" phylum="Tracheophyta" rank="species" species="subtumidum">
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<emphasis id="83A1EA85FFAAFF90FB11F928AFCC3EF4" box="[1282,1451,1706,1733]" italics="true" pageId="5" pageNumber="112">C. subtumidum</emphasis>
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</taxonomicName>
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explicitly mentions a punctate cell wall.
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<bibRefCitation id="D5444B66FFAAFF90FC4BF94DA97D3ED8" author="Ralfs, J." box="[600,794,1742,1768]" pageId="5" pageNumber="112" refId="ref4813" refString="Ralfs, J. (1848) The British Desmidieae. Reeve, Benham & Reeve, London, 226 pp." type="book" year="1848">Ralfs (1848: 106</bibRefCitation>
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, pl. 32: 5) describing
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<taxonomicName id="76D54D14FFAAFF90FA04F94CAECD3ED8" box="[1047,1194,1742,1769]" class="Magnoliopsida" family="Ranunculaceae" genus="Cosmarium" kingdom="Plantae" order="Ranunculales" pageId="5" pageNumber="112" phylum="Tracheophyta" rank="species" species="phaseolus">
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<emphasis id="83A1EA85FFAAFF90FA04F94CAECD3ED8" box="[1047,1194,1742,1769]" italics="true" pageId="5" pageNumber="112">C. phaseolus</emphasis>
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</taxonomicName>
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does not say anything about pores but depicts them as coarse dots all over the cell wall. So, neither of those species is characterized by the most peculiar pore pattern shown in our newly described species, a pattern for that matter that we do not know either of any other
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<taxonomicName id="76D54D14FFAAFF90FF07F8B8AB923F64" box="[276,501,1850,1877]" class="Magnoliopsida" family="Ranunculaceae" genus="Cosmarium" kingdom="Plantae" order="Ranunculales" pageId="5" pageNumber="112" phylum="Tracheophyta" rank="species" species="undetermined">
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<emphasis id="83A1EA85FFAAFF90FF07F8B8ABF03F65" box="[276,407,1851,1877]" italics="true" pageId="5" pageNumber="112">Cosmarium</emphasis>
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species.
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</taxonomicName>
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Confusion with similar looking species is possible, especially when the characteristic arc of pores above the isthmus is not clearly visible.
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</paragraph>
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<paragraph id="B16A3697FFAAFF90FEAEF801AEF73038" blockId="5.[136,1452,1274,2057]" pageId="5" pageNumber="112">
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This species was found at only two locations in the province of Drenthe, between
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<taxonomicName id="76D54D14FFAAFF90FA56F801AEDC3FAC" authorityName="C.Linnaeus" authorityYear="1753" box="[1093,1211,1922,1948]" class="Sphagnopsida" family="Sphagnaceae" genus="Sphagnum" kingdom="Plantae" order="Sphagnales" pageId="5" pageNumber="112" phylum="Bryophyta" rank="genus">
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<emphasis id="83A1EA85FFAAFF90FA56F801AEDC3FAC" box="[1093,1211,1922,1948]" italics="true" pageId="5" pageNumber="112">Sphagnum</emphasis>
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</taxonomicName>
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in a shallow artificial pool on loamy, sandy soil that was dug for nature restoration purposes. Fortunately, this species was also found sporulating in a sample taken in 1988 from a pool from the west of
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<collectingCountry id="C9C27607FFAAFF90FD60F849A9A53FD4" box="[883,962,1994,2020]" name="Ireland" pageId="5" pageNumber="112">Ireland</collectingCountry>
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(Frans Kouwets, personal communication), that was kindly put at our disposal. Zygospores (
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<figureCitation id="29EE2A12FFAAFF90FCBBF86DA8883038" box="[680,751,2030,2056]" captionStart="FIGURES 1–6" captionStartId="1.[136,243,2022,2044]" captionTargetBox="[200,1386,486,1964]" captionTargetId="figure-139@1.[170,1416,458,1994]" captionTargetPageId="1" captionText="FIGURES 1–6. Drawings 1. Cosmarium logiensiforme. 2. C. mandosii. 3. C. arcuatiporosum (with zygospore). 4. Euastrum tumoriferum. 5. Eu. dubioides. 6. Eu. neogutwinskii (with zygospore)." figureDoi="http://doi.org/10.5281/zenodo.13878389" httpUri="https://zenodo.org/record/13878389/files/figure.png" pageId="5" pageNumber="112">Figs 3</figureCitation>
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,
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<figureCitation id="29EE2A12FFAAFF90FCEFF86DA97E3038" box="[764,793,2030,2056]" captionStart="FIGURES 16–25" captionStartId="3.[136,243,2024,2046]" captionTargetBox="[223,1365,605,1999]" captionTargetId="figure-222@3.[223,1365,605,1999]" captionTargetPageId="3" captionText="FIGURES 16–25. LM photographs. 16–19. Cosmarium arcuatiporosum (19. zygospore). 20–22. C. logiensiforme. 23-25. C. mandosii. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13878395" httpUri="https://zenodo.org/record/13878395/files/figure.png" pageId="5" pageNumber="112">19</figureCitation>
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) are depicted after Irish material.
|
||
</paragraph>
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</subSubSection>
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</treatment>
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</document> |