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<document id="BAE9255BE8773CF2FD27CEE60340F982" ID-CLB-Dataset="283349" ID-DOI="10.11646/phytotaxa.632.2.9" ID-GBIF-Dataset="f9a10b12-c84f-4943-8789-7e8fc3d210e5" ID-ISSN="1179-3163" ID-Zenodo-Dep="10438588" 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="1703757420729" checkinUser="plazi" docAuthor="Costa, Fabiana De Matos, Ramos, Geraldo José Peixoto &amp; Moura, Carlos Wallace Do Nascimento" docDate="2023" docId="038F87B6FFCBFFD6FF1247FCFD0EFEC4" docLanguage="en" docName="phytotaxa.632.2.9.pdf" docOrigin="Phytotaxa 632 (2)" docSource="https://phytotaxa.mapress.com/pt/article/download/phytotaxa.632.2.9/51403" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Cosmarium lineatum Costa, Ramos &amp; Moura, 2023, sp. nov." docType="treatment" docVersion="2" lastPageNumber="196" masterDocId="FFB6FFCEFFCAFFD5FF9A4148FF90FFE0" masterDocTitle="New taxa of Cosmarium and Euastrum (Zygnematophyceae) from the North Coast of Bahia, Brazil" masterLastPageNumber="200" masterPageNumber="193" pageNumber="194" updateTime="1703758124400" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
<mods:mods id="43EBE33D0EE0412A10E821A7779CC600" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="BB01BE5B2BB0CF8AAEEFD38D9821F411">
<mods:title id="87852EAB8340B80602CA4E2D6EBB101E">New taxa of Cosmarium and Euastrum (Zygnematophyceae) from the North Coast of Bahia, Brazil</mods:title>
</mods:titleInfo>
<mods:name id="63E1185708EA014E760695BD0B7BA7AD" type="personal">
<mods:role id="C5C9CD6129F436305AA6AA57EDBFF5AC">
<mods:roleTerm id="0F2F9DCF6D419DDFD883EAF6209F4F7A">Author</mods:roleTerm>
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<mods:namePart id="D2244652F70BF6C5A062A61B93727365">Costa, Fabiana De Matos</mods:namePart>
<mods:nameIdentifier id="CD09E769ED1ACFD6B6D2C278B88961BD" type="ORCID">0000-0001-7892-5036</mods:nameIdentifier>
<mods:affiliation id="C7C3918B0D3C689C200CB011DD7AB9D2">Programa de Pós-Graduação em Botânica, Laboratório de Ficologia, Universidade Estadual de Feira de Santana, Feira de Santana, BA, Brazil.</mods:affiliation>
<mods:nameIdentifier id="25D3DCD084EB1466556EA0960195AC63" type="email">famatoscosta@hotmail.com</mods:nameIdentifier>
</mods:name>
<mods:name id="D482751E3E62794E34515C02285A7559" type="personal">
<mods:role id="3784FDEA649EA80B854AE4B74710F6DD">
<mods:roleTerm id="D9CB32EED4FEF5C15221849AF5CD8017">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="F35EB5809282B538FFF8CAFAFD990235">Ramos, Geraldo José Peixoto</mods:namePart>
<mods:nameIdentifier id="4870886513DC693E8A8B7936B66EF677" type="ORCID">0000-0003-2089-0461</mods:nameIdentifier>
<mods:affiliation id="811DD64072D6CE0C4C745A77E951006C">Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, BA, Brazil.</mods:affiliation>
<mods:nameIdentifier id="DC6E410A18C0240277CC88E293B7E794" type="email">gjpramos@uesc.br</mods:nameIdentifier>
</mods:name>
<mods:name id="0C9BA32580E27A07C1B5B12D7AECDC19" type="personal">
<mods:role id="1DAEDCFC0F2D525DCA8D7B70F7521A58">
<mods:roleTerm id="82EA0445C6A7E0C87BE25E91C084E951">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="CAB70C51E0414D49EC5EC9BECCC6A064">Moura, Carlos Wallace Do Nascimento</mods:namePart>
<mods:nameIdentifier id="03DBC903E025DACB594ABDBD8752D8CB" type="ORCID">0000-0001-6904-6603</mods:nameIdentifier>
<mods:affiliation id="9251005ACCA08D906C5EA613BA6A2FBF">Programa de Pós-Graduação em Botânica, Laboratório de Ficologia, Universidade Estadual de Feira de Santana, Feira de Santana, BA, Brazil.</mods:affiliation>
<mods:nameIdentifier id="0CFF18A49733F12F540080458B2F064F" type="email">wallace@uefs.br</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="C11FD3CA9D78EA722B1B25ADCEB97C3C">text</mods:typeOfResource>
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<mods:titleInfo id="C82E8ABE59940CCB7AA01C6B5EF409B3">
<mods:title id="FF10DD4065951A649F5C03B188813F53">Phytotaxa</mods:title>
</mods:titleInfo>
<mods:part id="C1756BB0AB883FC5A7C17B9C14172FF5">
<mods:date id="83332ADF8C6E36AF0BB2F6AD140ECD41">2023</mods:date>
<mods:detail id="5748B24965F10805A19344F363254989" type="pubDate">
<mods:number id="FE206A8F239B1AF1D8EFAB5C10AFC9C9">2023-12-28</mods:number>
</mods:detail>
<mods:detail id="B3C6DD16D2C02A63B41962A3EDC84627" type="volume">
<mods:number id="7FFAF164E5FD636E374D32B97E2250B0">632</mods:number>
</mods:detail>
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<mods:number id="472696043F7F6EF83F6C6AB3624973EC">2</mods:number>
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<mods:start id="897401FA80F7E3C720E4397E8577C4E9">193</mods:start>
<mods:end id="898548B07524E4FA0801E8E90BB3DB3D">200</mods:end>
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<mods:url id="3E4E05B5EA7FE7F3D558E6D25E4CF75D">https://phytotaxa.mapress.com/pt/article/download/phytotaxa.632.2.9/51403</mods:url>
</mods:location>
<mods:classification id="51FDBA2E00266E8B6E523F26B6263AC8">journal article</mods:classification>
<mods:identifier id="A739838787D2F72A8583FC7E752C4000" type="CLB-Dataset">283349</mods:identifier>
<mods:identifier id="5DCFD34D4141DA1B4F3280A91EF71725" type="DOI">10.11646/phytotaxa.632.2.9</mods:identifier>
<mods:identifier id="841911FB7738786CABCB3EE443450952" type="GBIF-Dataset">f9a10b12-c84f-4943-8789-7e8fc3d210e5</mods:identifier>
<mods:identifier id="597115DFD1EF3603EE462A6AF3E1FAA7" type="ISSN">1179-3163</mods:identifier>
<mods:identifier id="231F28BCFF8F672250DDB81479B85B97" type="Zenodo-Dep">10438588</mods:identifier>
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<treatment id="038F87B6FFCBFFD6FF1247FCFD0EFEC4" ID-DOI="http://doi.org/10.5281/zenodo.10438598" ID-Zenodo-Dep="10438598" LSID="urn:lsid:plazi:treatment:038F87B6FFCBFFD6FF1247FCFD0EFEC4" httpUri="http://treatment.plazi.org/id/038F87B6FFCBFFD6FF1247FCFD0EFEC4" lastPageId="3" lastPageNumber="196" pageId="1" pageNumber="194">
<subSubSection id="C33C652BFFCBFFD4FF1247FCFBCEF92E" box="[136,1118,1716,1743]" pageId="1" pageNumber="194" type="nomenclature">
<paragraph id="8B9936A0FFCBFFD4FF1247FCFBCEF92E" blockId="1.[136,1118,1716,1743]" box="[136,1118,1716,1743]" pageId="1" pageNumber="194">
<heading id="D0D181CCFFCBFFD4FF1247FCFBCEF92E" box="[136,1118,1716,1743]" fontSize="11" level="2" pageId="1" pageNumber="194" reason="3">
<taxonomicName id="4C264D23FFCBFFD4FF1247FCFEEDF92F" authorityName="Costa &amp; Ramos &amp; Moura" authorityYear="2023" box="[136,381,1716,1743]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="1" pageNumber="194" phylum="Charophyta" rank="species" species="lineatum">
<emphasis id="B952EAB2FFCBFFD4FF1247FCFEEDF92F" bold="true" box="[136,381,1716,1743]" italics="true" pageId="1" pageNumber="194">Cosmarium lineatum</emphasis>
</taxonomicName>
F.M.
<collectingRegion id="49E2F842FFCBFFD4FE2C47FCFE6BF92E" box="[438,507,1716,1742]" country="New Zealand" name="West Coast" pageId="1" pageNumber="194">Costa</collectingRegion>
, G.J.P.Ramos &amp; C.W.N.Moura
<emphasis id="B952EAB2FFCBFFD4FCC447FDFC23F92E" box="[862,947,1717,1742]" italics="true" pageId="1" pageNumber="194">
<taxonomicNameLabel id="A26157C9FFCBFFD4FCC447FDFC23F92E" box="[862,947,1717,1742]" pageId="1" pageNumber="194" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="131D2A25FFCBFFD4FC5B47FCFB80F92E" box="[961,1040,1716,1742]" captionStart="FIGURES 2–5" captionStartId="2.[136,243,1479,1501]" captionTargetBox="[181,1407,290,1355]" captionTargetId="figure-31@2.[151,1436,190,1455]" captionTargetPageId="2" captionText="FIGURES 2–5. Line drawings. 2. Cosmarium lineatum sp. nov. 3. C. margigranulatum sp. nov. 4. C. panamense var. therezienii var. nov. 5. Euastrum evolutum var. truncatum var. nov. Scale Bar: 10 μm." figureDoi="http://doi.org/10.5281/zenodo.10438592" httpUri="https://zenodo.org/record/10438592/files/figure.png" pageId="1" pageNumber="194">Figs. 2</figureCitation>
,
<figureCitation id="131D2A25FFCBFFD4FB8647FCFBC5F92E" box="[1052,1109,1716,1742]" captionStart="FIGURES 6–18" captionStartId="3.[136,243,1912,1934]" captionTargetBox="[158,1412,325,1833]" captionTargetId="figure-79@3.[151,1436,317,1887]" captionTargetPageId="3" captionText="FIGURES 6–18. Cosmarium lineatum sp. nov. (6–14): frontal view (6–12), details of the thick layer of mucilage (6), lateral view (13), apical view (14). C. margigranulatum sp. nov. (15–18): frontal view (15–16), lateral view (17), apical view (18). Scale Bar: 10 μm." figureDoi="http://doi.org/10.5281/zenodo.10438594" httpUri="https://zenodo.org/record/10438594/files/figure.png" pageId="1" pageNumber="194">6–14</figureCitation>
)
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C33C652BFFCBFFD4FF1247B4FC4AF863" pageId="1" pageNumber="194" type="diagnosis">
<paragraph id="8B9936A0FFCBFFD4FF1247B4FC4AF863" blockId="1.[136,1452,1788,2066]" pageId="1" pageNumber="194">
<emphasis id="B952EAB2FFCBFFD4FF1247B4FE95F8F6" bold="true" box="[136,261,1788,1814]" pageId="1" pageNumber="194">Diagnosis:</emphasis>
—Cells slightly longer than broad, median constriction deep, sinus closed, linear, one prominent papillae at the extremity of sinus; semicells subreniform, basal angles rounded; cell wall covered by granules, a central longitudinal row with four warts, one isthmial wart in each semicell; lateral view rectangular, apical view elliptic. Cell dimensions: length 35.7–36.7 μm, breadth 27.8–31.4 μm, breadth of isthmus 8–11.7 μm.
</paragraph>
</subSubSection>
<subSubSection id="C33C652BFFCBFFD7FF2746C4FA99F957" lastPageId="2" lastPageNumber="195" pageId="1" pageNumber="194" type="materials_examined">
<paragraph id="8B9936A0FFCBFFD4FF2746C4FC1EF82A" blockId="1.[136,1452,1788,2066]" pageId="1" pageNumber="194">
<materialsCitation id="3B4E3CFDFFCBFFD4FF2746C4FC1EF82A" collectionCode="HUEFS" location="Herbarium of State University" municipality="State University of Feira de Santana" pageId="1" pageNumber="194" specimenCode="HUEFS 263035" specimenCount="1" typeStatus="holotype">
<emphasis id="B952EAB2FFCBFFD4FF2746C4FEDFF846" bold="true" box="[189,335,1932,1958]" pageId="1" pageNumber="194">
<typeStatus id="549D8802FFCBFFD4FF2746C4FEBDF846" box="[189,301,1932,1958]" pageId="1" pageNumber="194" type="holotype">Holotype</typeStatus>
:—
</emphasis>
Material numbered (
<specimenCode id="DB809EDBFFCBFFD4FDA946C4FD7FF847" box="[563,751,1932,1959]" collectionCode="HUEFS" country="Brazil" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15506" lsid="urn:lsid:biocol.org:col:15506" name="Universidade Estadual de Feira de Santana" pageId="1" pageNumber="194" type="Herbarium">HUEFS 263035</specimenCode>
!) [pro parte], deposited at the
<location id="8EF9607BFFCBFFD4FBA146C4FA1DF846" LSID="urn:lsid:plazi:treatment:038F87B6FFCBFFD6FF1247FCFD0EFEC4:8EF9607BFFCBFFD4FBA146C4FA1DF846" box="[1083,1421,1932,1958]" municipality="State University of Feira de Santana" name="Herbarium of State University" pageId="1" pageNumber="194">
Herbarium of
<collectingMunicipality id="6BFDACDAFFCBFFD4FB4346C4FA1DF846" box="[1241,1421,1932,1958]" pageId="1" pageNumber="194">State University</collectingMunicipality>
</location>
of Feira de Santana, population partially illustrated here (
<figureCitation id="131D2A25FFCBFFD4FD7046F8FCAAF82A" box="[746,826,1968,1994]" captionStart="FIGURES 2–5" captionStartId="2.[136,243,1479,1501]" captionTargetBox="[181,1407,290,1355]" captionTargetId="figure-31@2.[151,1436,190,1455]" captionTargetPageId="2" captionText="FIGURES 2–5. Line drawings. 2. Cosmarium lineatum sp. nov. 3. C. margigranulatum sp. nov. 4. C. panamense var. therezienii var. nov. 5. Euastrum evolutum var. truncatum var. nov. Scale Bar: 10 μm." figureDoi="http://doi.org/10.5281/zenodo.10438592" httpUri="https://zenodo.org/record/10438592/files/figure.png" pageId="1" pageNumber="194">Figs. 2</figureCitation>
,
<figureCitation id="131D2A25FFCBFFD4FCDC46F8FC12F82A" box="[838,898,1968,1994]" captionStart="FIGURES 6–18" captionStartId="3.[136,243,1912,1934]" captionTargetBox="[158,1412,325,1833]" captionTargetId="figure-79@3.[151,1436,317,1887]" captionTargetPageId="3" captionText="FIGURES 6–18. Cosmarium lineatum sp. nov. (6–14): frontal view (6–12), details of the thick layer of mucilage (6), lateral view (13), apical view (14). C. margigranulatum sp. nov. (15–18): frontal view (15–16), lateral view (17), apical view (18). Scale Bar: 10 μm." figureDoi="http://doi.org/10.5281/zenodo.10438594" httpUri="https://zenodo.org/record/10438594/files/figure.png" pageId="1" pageNumber="194">6–14</figureCitation>
).
</materialsCitation>
</paragraph>
<paragraph id="8B9936A0FFCBFFD4FF27469CFEDAF7F2" blockId="1.[136,1452,1788,2066]" pageId="1" pageNumber="194">
<emphasis id="B952EAB2FFCBFFD4FF27469CFECAF80E" bold="true" box="[189,346,2004,2030]" pageId="1" pageNumber="194">
<typeStatus id="549D8802FFCBFFD4FF27469CFEA8F80E" box="[189,312,2004,2030]" pageId="1" pageNumber="194" type="paratype">Paratypes</typeStatus>
:—
</emphasis>
Material numbered (
<collectionCode id="ED37AE65FFCBFFD4FDA4469CFD08F80E" box="[574,664,2004,2030]" country="Brazil" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15506" lsid="urn:lsid:biocol.org:col:15506" name="Universidade Estadual de Feira de Santana" pageId="1" pageNumber="194" type="Herbarium">HUEFS</collectionCode>
263039) [pro parte], deposited at the Herbarium of State University of Feira de Santana.
</paragraph>
<caption id="DF596628FFC8FFD7FF12448FFD67F9E1" ID-DOI="http://doi.org/10.5281/zenodo.10438592" ID-Zenodo-Dep="10438592" httpUri="https://zenodo.org/record/10438592/files/figure.png" pageId="2" pageNumber="195" startId="2.[136,243,1479,1501]" targetBox="[181,1407,290,1355]" targetPageId="2" targetType="figure">
<paragraph id="8B9936A0FFC8FFD7FF12448FFD67F9E1" blockId="2.[136,1453,1479,1537]" pageId="2" pageNumber="195">
<emphasis id="B952EAB2FFC8FFD7FF12448FFEB2FA3C" bold="true" box="[136,290,1479,1501]" pageId="2" pageNumber="195">FIGURES 2–5.</emphasis>
Line drawings. 2.
<emphasis id="B952EAB2FFC8FFD7FE4C4480FD7EFA3D" box="[470,750,1479,1501]" italics="true" pageId="2" pageNumber="195">
<taxonomicName id="4C264D23FFC8FFD7FE4C4480FD0FFA3C" authority="Costa &amp; Ramos &amp; Moura, 2023" authorityName="Costa &amp; Ramos &amp; Moura" authorityYear="2023" box="[470,671,1479,1501]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="2" pageNumber="195" phylum="Charophyta" rank="species" species="lineatum" status="sp. nov.">Cosmarium lineatum</taxonomicName>
<taxonomicNameLabel id="A26157C9FFC8FFD7FD3F4480FD7EFA3D" box="[677,750,1480,1501]" pageId="2" pageNumber="195" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
3.
<emphasis id="B952EAB2FFC8FFD7FC914480FB8EFA3D" box="[779,1054,1479,1501]" italics="true" pageId="2" pageNumber="195">
<taxonomicName id="4C264D23FFC8FFD7FC914480FC5FFA3C" authority="Costa &amp; Ramos &amp; Moura, 2023" authorityName="Costa &amp; Ramos &amp; Moura" authorityYear="2023" box="[779,975,1479,1501]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="2" pageNumber="195" phylum="Charophyta" rank="species" species="margigranulatum" status="sp. nov.">C. margigranulatum</taxonomicName>
<taxonomicNameLabel id="A26157C9FFC8FFD7FC4F4480FB8EFA3D" box="[981,1054,1480,1501]" pageId="2" pageNumber="195" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
4.
<taxonomicName id="4C264D23FFC8FFD7FBA04480FAC5FA3C" authority="Costa &amp; Ramos &amp; Moura, 2023" authorityName="Costa &amp; Ramos &amp; Moura" authorityYear="2023" box="[1082,1365,1479,1501]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="2" pageNumber="197" phylum="Charophyta" rank="variety" species="panamense" status="var. nov." variety="therezienii">
C.
<emphasis id="B952EAB2FFC8FFD7FBCC4480FB52FA3D" box="[1110,1218,1480,1501]" italics="true" pageId="2" pageNumber="195">panamense</emphasis>
var.
<emphasis id="B952EAB2FFC8FFD7FB6B448FFAC5FA3C" box="[1265,1365,1479,1500]" italics="true" pageId="2" pageNumber="195">therezienii</emphasis>
</taxonomicName>
<emphasis id="B952EAB2FFC8FFD7FAC14480FA3DFA3D" box="[1371,1453,1480,1501]" italics="true" pageId="2" pageNumber="195">
<taxonomicNameLabel id="A26157C9FFC8FFD7FAC14480FA3DFA3D" box="[1371,1453,1480,1501]" pageId="2" pageNumber="195" rank="variety">var. nov.</taxonomicNameLabel>
</emphasis>
5.
<taxonomicName id="4C264D23FFC8FFD7FF3A44A4FE7EF9E1" authority="Costa &amp; Ramos &amp; Moura, 2023" authorityName="Costa &amp; Ramos &amp; Moura" authorityYear="2023" box="[160,494,1515,1537]" class="Conjugatophyceae" family="Desmidiaceae" genus="Euastrum" kingdom="Plantae" order="Zygnematales" pageId="2" pageNumber="195" phylum="Charophyta" rank="variety" species="evolutum" status="var. nov." variety="truncatum">
<emphasis id="B952EAB2FFC8FFD7FF3A44A4FECBF9E0" box="[160,347,1515,1537]" italics="true" pageId="2" pageNumber="195">Euastrum evolutum</emphasis>
var.
<emphasis id="B952EAB2FFC8FFD7FE1144A4FE7EF9E1" box="[395,494,1516,1537]" italics="true" pageId="2" pageNumber="195">truncatum</emphasis>
</taxonomicName>
<emphasis id="B952EAB2FFC8FFD7FE6944A4FDD5F9E1" box="[499,581,1516,1537]" italics="true" pageId="2" pageNumber="195">
<taxonomicNameLabel id="A26157C9FFC8FFD7FE6944A4FDD5F9E1" box="[499,581,1516,1537]" pageId="2" pageNumber="195" rank="variety">var. nov.</taxonomicNameLabel>
</emphasis>
Scale Bar: 10 μm.
</paragraph>
</caption>
<paragraph id="8B9936A0FFC8FFD7FF274778FC16F98F" blockId="2.[136,1452,1584,2078]" pageId="2" pageNumber="195">
<emphasis id="B952EAB2FFC8FFD7FF274778FEECF9AA" bold="true" box="[189,380,1584,1610]" pageId="2" pageNumber="195">Type locality:—</emphasis>
<collectingCountry id="F3317630FFC8FFD7FEE64778FE75F9AA" box="[380,485,1584,1610]" name="Brazil" pageId="2" pageNumber="195">BRAZIL</collectingCountry>
.
<collectingRegion id="49E2F842FFC8FFD7FE6A4778FDA6F9AA" box="[496,566,1584,1610]" country="Brazil" name="Bahia" pageId="2" pageNumber="195">Bahia</collectingRegion>
: Camaçari, Camaçari-Mirim River, Lat.
<geoCoordinate id="EE125067FFC8FFD7FC644778FB32F9AA" box="[1022,1186,1584,1610]" degrees="12" direction="south" minutes="42" orientation="latitude" pageId="2" pageNumber="195" precision="1" seconds="23.1" value="-12.706416">12°42’23.1’’ S</geoCoordinate>
, Long.
<geoCoordinate id="EE125067FFC8FFD7FB634778FA37F9AA" box="[1273,1447,1584,1611]" degrees="38" direction="west" minutes="15" orientation="longitude" pageId="2" pageNumber="195" precision="1" seconds="27.2" value="-38.257557">38°15’27.2’’ W</geoCoordinate>
,
<date id="FF981060FFC8FFD7FF12471CFEF3F98E" box="[136,355,1620,1646]" pageId="2" pageNumber="195" value="2019-11-29">29 November 2019</date>
,
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.
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. Costa &amp;
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.
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.X. Neto s/n
</emphasis>
(
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263035).
</paragraph>
<paragraph id="8B9936A0FFC8FFD7FF274730FA99F957" blockId="2.[136,1452,1584,2078]" pageId="2" pageNumber="195">
<emphasis id="B952EAB2FFC8FFD7FF274730FEAEF972" bold="true" box="[189,318,1656,1682]" pageId="2" pageNumber="195">Habitat:—</emphasis>
Periphytic on
<taxonomicName id="4C264D23FFC8FFD7FE404730FD48F972" box="[474,728,1656,1682]" class="Liliopsida" family="Cyperaceae" genus="Eleocharis" kingdom="Plantae" order="Poales" pageId="2" pageNumber="195" phylum="Tracheophyta" rank="species" species="acutangula">
<emphasis id="B952EAB2FFC8FFD7FE404730FD48F972" box="[474,728,1656,1682]" italics="true" pageId="2" pageNumber="195">Eleocharis acutangula</emphasis>
</taxonomicName>
; water conductivity 0.05 mS.
<superScript id="7C539BE8FFC8FFD7FB854730FBC1F966" attach="left" box="[1055,1105,1656,1682]" fontSize="6" pageId="2" pageNumber="195">cm-1</superScript>
(± 0.01); dissolved oxygen
<quantity id="4CDE9B45FFC8FFD7FA124730FF3EF956" metricMagnitude="-6" metricUnit="kg" metricValue="7.5" pageId="2" pageNumber="195" unit="mg" value="7.5">7.5 mg</quantity>
.L-
<superScript id="7C539BE8FFC8FFD7FF5047D4FF41F94A" attach="left" box="[202,209,1692,1706]" fontSize="6" pageId="2" pageNumber="195">1</superScript>
(± 1); pH 7.8 (± 0.6); total dissolved solids 0.02 ppt (± 0.01); water temperature 27.3 ºC (± 2.5).
</paragraph>
</subSubSection>
<subSubSection id="C33C652BFFC8FFD7FF274788FEE5F91E" pageId="2" pageNumber="195" type="etymology">
<paragraph id="8B9936A0FFC8FFD7FF274788FEE5F91E" blockId="2.[136,1452,1584,2078]" pageId="2" pageNumber="195">
<emphasis id="B952EAB2FFC8FFD7FF274788FEF4F93A" bold="true" box="[189,356,1728,1754]" pageId="2" pageNumber="195">Etymology:—</emphasis>
The specific epithet refers to the surface ornamentation composed of warts linearly arranged on the face of the semicells.
</paragraph>
</subSubSection>
<subSubSection id="C33C652BFFC8FFD6FF274640FD0EFEC4" lastPageId="3" lastPageNumber="196" pageId="2" pageNumber="195" type="diagnosis">
<paragraph id="8B9936A0FFC8FFD7FF274640FAF7F8A6" blockId="2.[136,1452,1584,2078]" pageId="2" pageNumber="195">
<emphasis id="B952EAB2FFC8FFD7FF274640FE72F8C2" bold="true" box="[189,482,1800,1826]" pageId="2" pageNumber="195">Differential diagnosis:—</emphasis>
This taxon differs from other
<taxonomicName id="4C264D23FFC8FFD7FCB14640FB96F8C2" box="[811,1030,1800,1826]" pageId="2" pageNumber="195">
<emphasis id="B952EAB2FFC8FFD7FCB14640FC3EF8C2" box="[811,942,1800,1826]" italics="true" pageId="2" pageNumber="195">Cosmarium</emphasis>
species
</taxonomicName>
in having subreniform semicells with a central longitudinal row composed by four robust warts, and one prominent papillae at the extremity of sinus.
</paragraph>
<paragraph id="8B9936A0FFC8FFD7FF274618FCCBF7FE" blockId="2.[136,1452,1584,2078]" pageId="2" pageNumber="195">
The newly described species resembles
<taxonomicName id="4C264D23FFC8FFD7FD104618FBB5F88A" authority="Wille (1880: 28)" authorityName="Wille" authorityPageNumber="28" authorityYear="1880" box="[650,1061,1872,1898]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="2" pageNumber="195" phylum="Charophyta" rank="species" species="boeckii">
<emphasis id="B952EAB2FFC8FFD7FD104618FCF7F88A" box="[650,871,1872,1898]" italics="true" pageId="2" pageNumber="195">Cosmarium boeckii</emphasis>
<bibRefCitation id="EFB74B51FFC8FFD7FCEA4618FBB5F88A" author="Wille, N." box="[880,1061,1872,1898]" pageId="2" pageNumber="195" pagination="72" refId="ref4771" refString="Wille, N. (1880) Bidrag till Kundskaben om Norges Ferskvandsalger 1; Smaalenenes Chlorophyllophyceer. In: Forhandlinger i Videnskabs- Selskabet i Christiania. 72 pls." type="book chapter" year="1880">Wille (1880:28)</bibRefCitation>
</taxonomicName>
due to the presence of an oblong wart near the isthmus and three rounded warts forming a row. However, the latter species differs in having much smaller granules on lateral to the central row, forming a concentric circle. Also, it differs because of the semicircular cell outline and smaller cell dimensions (length 29 μm, breadth 27 μm, isthmus 8 μm). Another species similar is
<taxonomicName id="4C264D23FFC8FFD7FF1246A8FD28F81A" authority="Nordstedt (1873: 12)" authorityName="Nordstedt" authorityPageNumber="12" authorityYear="1873" box="[136,696,2016,2042]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="2" pageNumber="195" phylum="Charophyta" rank="species" species="isthmochondrum">
<emphasis id="B952EAB2FFC8FFD7FF1246A8FE5DF81A" box="[136,461,2016,2042]" italics="true" pageId="2" pageNumber="195">Cosmarium isthmochondrum</emphasis>
<bibRefCitation id="EFB74B51FFC8FFD7FE4946A8FD28F81A" author="Nordstedt, C. F. O." box="[467,696,2016,2042]" pageId="2" pageNumber="195" pagination="1 - 51" refId="ref3758" refString="Nordstedt, C. F. O. (1873) Bidrag till kannedomen om sydligare Norges Desmidieer. Lunds Universitets Arsskrift 9 (Afh. II, 10): 1 - 51." type="journal article" year="1873">Nordstedt (1873:12)</bibRefCitation>
</taxonomicName>
, but this one differs in the ornamentation arrangement (two granules on the semicell face and two granules next to the apical margin).
</paragraph>
<paragraph id="8B9936A0FFC9FFD6FF2741D6FD0EFEC4" blockId="3.[136,1452,158,293]" pageId="3" pageNumber="196">
An interesting feature observed in the population was the presence of a thick mucilaginous layer (
<figureCitation id="131D2A25FFC9FFD6FB7141D6FABEFF58" box="[1259,1326,158,184]" captionStart="FIGURES 6–18" captionStartId="3.[136,243,1912,1934]" captionTargetBox="[158,1412,325,1833]" captionTargetId="figure-79@3.[151,1436,317,1887]" captionTargetPageId="3" captionText="FIGURES 6–18. Cosmarium lineatum sp. nov. (6–14): frontal view (6–12), details of the thick layer of mucilage (6), lateral view (13), apical view (14). C. margigranulatum sp. nov. (15–18): frontal view (15–16), lateral view (17), apical view (18). Scale Bar: 10 μm." figureDoi="http://doi.org/10.5281/zenodo.10438594" httpUri="https://zenodo.org/record/10438594/files/figure.png" pageId="3" pageNumber="196">Fig. 6</figureCitation>
). Mucilage production usually represents an adaptation mechanism that aids in algal flotation and protects against predation (Book 1981;
<bibRefCitation id="EFB74B51FFC9FFD6FF4B41AEFEF3FEE0" author="Coesel, P." box="[209,355,230,256]" pageId="3" pageNumber="196" refId="ref3359" refString="Coesel, P. (1994) De Desmidiaceeen van Nederland. Wetenschaps. Mededeling KNNV, 52 pp." type="book" year="1994">Coesel 1994</bibRefCitation>
). Recently, it was also observed that the mucilage envelope can protect desmids against fungal parasite action (
<bibRefCitation id="EFB74B51FFC9FFD6FEA34042FD02FEC4" author="Van Den Wyngaert, S. &amp; Kainz, M. J. &amp; Ptacnik, R." box="[313,658,266,293]" pageId="3" pageNumber="196" pagination="3 - 14" refId="ref4595" refString="Van Den Wyngaert, S., Kainz, M. J. &amp; Ptacnik, R. (2022) Mucilage protects the planktonic desmid Staurodesmus sp. against parasite attack by a chytrid fungus. Journal of Plankton Research 45 (1): 3 - 14. https: // doi. org / 10.1093 / plankt / fbac 071" type="journal article" year="2022">
Van Den Wyngaert
<emphasis id="B952EAB2FFC9FFD6FD8C4043FDD7FEC4" box="[534,583,266,292]" italics="true" pageId="3" pageNumber="196">et al</emphasis>
. 2022
</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>
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