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<document id="0E110D0A94BCB12528FDF5D694D9CEA7" 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="038F87B6FFCEFFD3FF1246CAFBE8FC84" 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="Euastrum evolutum var. truncatum Costa, Ramos &amp; Moura, 2023, var. nov." docType="treatment" docVersion="2" lastPageNumber="199" masterDocId="FFB6FFCEFFCAFFD5FF9A4148FF90FFE0" masterDocTitle="New taxa of Cosmarium and Euastrum (Zygnematophyceae) from the North Coast of Bahia, Brazil" masterLastPageNumber="200" masterPageNumber="193" pageNumber="197" updateTime="1703758124400" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
<mods:mods id="5B0681FBCBF38E91646B434D52F65F3B" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="7A8B72A05FB1F02D012B06A89AD02363">
<mods:title id="B503BA1C146793D9476E186AA158EA89">New taxa of Cosmarium and Euastrum (Zygnematophyceae) from the North Coast of Bahia, Brazil</mods:title>
</mods:titleInfo>
<mods:name id="BDF851FD9EC67834B6F60B1A7686E0BC" type="personal">
<mods:role id="C14F350C5CBA2072F8B7CF01455164D9">
<mods:roleTerm id="FBD3D48AFCF36D2E7669B2063537C41C">Author</mods:roleTerm>
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<mods:namePart id="F22704C99540BEFA73DCCCAAF728E8CB">Costa, Fabiana De Matos</mods:namePart>
<mods:nameIdentifier id="D499403FB5303B9775134B65A8F03227" type="ORCID">0000-0001-7892-5036</mods:nameIdentifier>
<mods:affiliation id="4179226777B77B0A5371E9DD43719BDF">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="62E3062B73CC9601A38663D1395813B1" type="email">famatoscosta@hotmail.com</mods:nameIdentifier>
</mods:name>
<mods:name id="581BC5A2B1418B2FF440959E45145BEB" type="personal">
<mods:role id="F5F7B353744D35A9FF8E84AEA63D21FD">
<mods:roleTerm id="2CF00757C7789A5A1BBB8E5A37AF005A">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="CECC24FF28F527101C1689EFD904FB3D">Ramos, Geraldo José Peixoto</mods:namePart>
<mods:nameIdentifier id="010B4FE1A59299DA569CC0E49F46A830" type="ORCID">0000-0003-2089-0461</mods:nameIdentifier>
<mods:affiliation id="647FA167F8CAAB91B3C73E8621E19855">Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, BA, Brazil.</mods:affiliation>
<mods:nameIdentifier id="DDBA5252FE9E44DD84BA1E90024DCDD1" type="email">gjpramos@uesc.br</mods:nameIdentifier>
</mods:name>
<mods:name id="F53EB5BFE141F9085B59307A7DE9FCE4" type="personal">
<mods:role id="F992959DF1CCBE6F47187B7D73011988">
<mods:roleTerm id="68ACFAB4086E606DA891ED96C2F83A94">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="A960CC999DD6F2FF451DC5F865152BDA">Moura, Carlos Wallace Do Nascimento</mods:namePart>
<mods:nameIdentifier id="C8AE203D8CD6A486630319C9CE6820A5" type="ORCID">0000-0001-6904-6603</mods:nameIdentifier>
<mods:affiliation id="C2217DEB9070A66B7E0C280D8CBBD896">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="D5B6E1DF1FCC898893771021139F30C7" type="email">wallace@uefs.br</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="90D9BCDA3ED4578B1BA7E430C3F28BAC">text</mods:typeOfResource>
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<mods:title id="2B3ABD5FE506C3881B09B389254FFBED">Phytotaxa</mods:title>
</mods:titleInfo>
<mods:part id="2D7402D3E44F091E60BB00BB3A8636B1">
<mods:date id="603227999D6F4778E66D7C3C0B5A4FA3">2023</mods:date>
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<mods:number id="D3E3A1D97F7E88A71625E2D06A36DD50">2023-12-28</mods:number>
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<mods:number id="2689BC9BE6697F2910FC1F4205C0C987">632</mods:number>
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<mods:number id="011895875497A7DE38427E1843924ED4">2</mods:number>
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<mods:start id="F5B6C26B040D1F3C5A2627D6845A5376">193</mods:start>
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<mods:url id="47750CB74D4CA9D697B4E8D0168091FF">https://phytotaxa.mapress.com/pt/article/download/phytotaxa.632.2.9/51403</mods:url>
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<mods:classification id="E383BDA43688FA7D58C26A9024D78604">journal article</mods:classification>
<mods:identifier id="5699496FBF94328A8DF231A05E495B15" type="CLB-Dataset">283349</mods:identifier>
<mods:identifier id="0151FE90A98BAA6F13158EE62D0B2DB8" type="DOI">10.11646/phytotaxa.632.2.9</mods:identifier>
<mods:identifier id="58809B605B0BA0AFC916B344E6F061D6" type="GBIF-Dataset">f9a10b12-c84f-4943-8789-7e8fc3d210e5</mods:identifier>
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<treatment id="038F87B6FFCEFFD3FF1246CAFBE8FC84" ID-DOI="http://doi.org/10.5281/zenodo.10438604" ID-Zenodo-Dep="10438604" LSID="urn:lsid:plazi:treatment:038F87B6FFCEFFD3FF1246CAFBE8FC84" httpUri="http://treatment.plazi.org/id/038F87B6FFCEFFD3FF1246CAFBE8FC84" lastPageId="6" lastPageNumber="199" pageId="4" pageNumber="197">
<subSubSection id="C33C652BFFCEFFD1FF1246CAFBEAF87C" box="[136,1146,1921,1949]" pageId="4" pageNumber="197" type="nomenclature">
<paragraph id="8B9936A0FFCEFFD1FF1246CAFBEAF87C" blockId="4.[136,1146,1921,1949]" box="[136,1146,1921,1949]" pageId="4" pageNumber="197">
<heading id="D0D181CCFFCEFFD1FF1246CAFBEAF87C" box="[136,1146,1921,1949]" fontSize="11" level="2" pageId="4" pageNumber="197" reason="3">
<taxonomicName id="4C264D23FFCEFFD1FF1246CAFD8EF87C" authorityName="Costa &amp; Ramos &amp; Moura" authorityYear="2023" box="[136,542,1921,1948]" class="Conjugatophyceae" family="Desmidiaceae" genus="Euastrum" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="197" phylum="Charophyta" rank="variety" species="evolutum" variety="truncatum">
<emphasis id="B952EAB2FFCEFFD1FF1246CAFEFDF87C" bold="true" box="[136,365,1921,1948]" italics="true" pageId="4" pageNumber="197">Euastrum evolutum</emphasis>
var.
<emphasis id="B952EAB2FFCEFFD1FE3F46CAFD8EF87C" bold="true" box="[421,542,1922,1948]" italics="true" pageId="4" pageNumber="197">truncatum</emphasis>
</taxonomicName>
F.M.
<collectingRegion id="49E2F842FFCEFFD1FDCC46CAFD09F87C" box="[598,665,1922,1948]" country="New Zealand" name="West Coast" pageId="4" pageNumber="197">Costa</collectingRegion>
&amp; C.W.N.Moura
<emphasis id="B952EAB2FFCEFFD1FCF846CBFC51F87C" box="[866,961,1923,1948]" italics="true" pageId="4" pageNumber="197">
<taxonomicNameLabel id="A26157C9FFCEFFD1FCF846CBFC51F87C" box="[866,961,1923,1948]" pageId="4" pageNumber="197" rank="variety">var. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="131D2A25FFCEFFD1FC5546CAFB8EF87D" box="[975,1054,1922,1949]" 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="4" pageNumber="197">Figs. 5</figureCitation>
,
<figureCitation id="131D2A25FFCEFFD1FBB046CAFBE2F87C" box="[1066,1138,1922,1948]" captionStart="FIGURES 19–28" captionStartId="5.[136,243,1920,1942]" captionTargetBox="[158,1428,288,1853]" captionTargetId="figure-72@5.[151,1436,281,1896]" captionTargetPageId="5" captionText="FIGURES 19–28. Cosmarium panamense var. therezienii var. nov. (19–23): LM (20–23), SEM (19), frontal view (20–21), lateral view (22), apical view (23). Euastrum evolutum var. truncatum var. nov. (24–28): LM (25–26), SEM (24), frontal view (25–26), lateral view (27), apical view (28). Scale Bar: 10 μm." figureDoi="http://doi.org/10.5281/zenodo.10438596" httpUri="https://zenodo.org/record/10438596/files/figure.png" pageId="4" pageNumber="197">24–28</figureCitation>
)
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C33C652BFFCEFFD0FF124681FBE9FEE1" lastPageId="5" lastPageNumber="198" pageId="4" pageNumber="197" type="diagnosis">
<paragraph id="8B9936A0FFCEFFD0FF124681FBE9FEE1" blockId="4.[136,1451,1993,2092]" lastBlockId="5.[136,1451,158,257]" lastPageId="5" lastPageNumber="198" pageId="4" pageNumber="197">
<emphasis id="B952EAB2FFCEFFD1FF124681FE95F803" bold="true" box="[136,261,1993,2019]" pageId="4" pageNumber="197">Diagnosis:</emphasis>
—Cells rectangular, median constriction deep, sinus closed, linear; semicells subtrapeziform, central protrusion composed of four granules, one pair of scrobicules above; apical lobes truncate, median incision V-shaped, deep, and slightly open, angles decorated with one stout spine straight, lateral margins decorated with one median spine forming a subapical lobe, one scrobicule on the lateral side of the base of the lobe; angles basal lobes decorated with tiny spines; small scrobicules close to the isthmus; cell in apical view ellipsoid. Cell dimensions: length 37.4–40 μm, breadth 25.4–26.9 μm, apical lobe 15.7–16.2 μm, and breadth of isthmus 6.6–7.1 μm.
</paragraph>
</subSubSection>
<caption id="DF596628FFCFFFD0FF1246C8FD82F83E" ID-DOI="http://doi.org/10.5281/zenodo.10438596" ID-Zenodo-Dep="10438596" httpUri="https://zenodo.org/record/10438596/files/figure.png" pageId="5" pageNumber="198" startId="5.[136,243,1920,1942]" targetBox="[158,1428,288,1853]" targetPageId="5" targetType="figure">
<paragraph id="8B9936A0FFCFFFD0FF1246C8FD82F83E" blockId="5.[136,1452,1920,2015]" pageId="5" pageNumber="198">
<emphasis id="B952EAB2FFCFFFD0FF1246C8FEABF875" bold="true" box="[136,315,1920,1942]" pageId="5" pageNumber="198">FIGURES 19–28.</emphasis>
C
<emphasis id="B952EAB2FFCFFFD0FEC946C9FE23F876" box="[339,435,1921,1942]" italics="true" pageId="5" pageNumber="198">osmarium</emphasis>
<taxonomicName id="4C264D23FFCFFFD0FE2346C9FD2BF876" authority="Costa &amp; Ramos &amp; Moura, 2023" authorityName="Costa &amp; Ramos &amp; Moura" authorityYear="2023" box="[441,699,1921,1942]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="5" pageNumber="198" phylum="Charophyta" rank="variety" species="panamense" status="var. nov." variety="therezienii">
<emphasis id="B952EAB2FFCFFFD0FE2346C9FDB5F876" box="[441,549,1921,1942]" italics="true" pageId="5" pageNumber="198">panamense</emphasis>
var.
<emphasis id="B952EAB2FFCFFFD0FDCD46C9FD2BF876" box="[599,699,1921,1942]" italics="true" pageId="5" pageNumber="198">therezienii</emphasis>
</taxonomicName>
<emphasis id="B952EAB2FFCFFFD0FD5846C9FC84F876" box="[706,788,1921,1942]" italics="true" pageId="5" pageNumber="198">
<taxonomicNameLabel id="A26157C9FFCFFFD0FD5846C9FC84F876" box="[706,788,1921,1942]" pageId="5" pageNumber="198" rank="variety">var. nov.</taxonomicNameLabel>
</emphasis>
(19–23): LM (20–23), SEM (19), frontal view (20–21), lateral view (22), apical view (23).
<taxonomicName id="4C264D23FFCFFFD0FEF246EDFD29F85A" authority="Costa &amp; Ramos &amp; Moura, 2023" authorityName="Costa &amp; Ramos &amp; Moura" authorityYear="2023" box="[360,697,1957,1978]" class="Conjugatophyceae" family="Desmidiaceae" genus="Euastrum" kingdom="Plantae" order="Zygnematales" pageId="5" pageNumber="198" phylum="Charophyta" rank="variety" species="evolutum" status="var. nov." variety="truncatum">
<emphasis id="B952EAB2FFCFFFD0FEF246EDFDB5F85A" box="[360,549,1957,1978]" italics="true" pageId="5" pageNumber="198">Euastrum evolutum</emphasis>
var.
<emphasis id="B952EAB2FFCFFFD0FDCC46EDFD29F85A" box="[598,697,1957,1978]" italics="true" pageId="5" pageNumber="198">truncatum</emphasis>
</taxonomicName>
<emphasis id="B952EAB2FFCFFFD0FD5A46EDFC82F85A" box="[704,786,1957,1978]" italics="true" pageId="5" pageNumber="198">
<taxonomicNameLabel id="A26157C9FFCFFFD0FD5A46EDFC82F85A" box="[704,786,1957,1978]" pageId="5" pageNumber="198" rank="variety">var. nov.</taxonomicNameLabel>
</emphasis>
(24–28): LM (25–26), SEM (24), frontal view (25–26), lateral view (27), apical view (28). Scale Bar: 10 μm.
</paragraph>
</caption>
<subSubSection id="C33C652BFFCCFFD3FF2741D6FA83FE54" pageId="6" pageNumber="199" type="materials_examined">
<paragraph id="8B9936A0FFCCFFD3FF2741D6FC0CFF3C" blockId="6.[136,1452,158,868]" pageId="6" pageNumber="199">
<materialsCitation id="3B4E3CFDFFCCFFD3FF2741D6FC0CFF3C" collectionCode="HUEFS" location="Herbarium of State University" municipality="State University of Feira de Santana" pageId="6" pageNumber="199" specimenCode="HUEFS 263037" specimenCount="1" typeStatus="holotype">
<emphasis id="B952EAB2FFCCFFD3FF2741D6FEDFFF58" bold="true" box="[189,335,158,184]" pageId="6" pageNumber="199">
<typeStatus id="549D8802FFCCFFD3FF2741D6FEBDFF58" box="[189,301,158,184]" pageId="6" pageNumber="199" type="holotype">Holotype</typeStatus>
:—
</emphasis>
Material numbered (
<specimenCode id="DB809EDBFFCCFFD3FDA941D6FD7FFF58" box="[563,751,158,184]" 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="6" pageNumber="199" type="Herbarium">HUEFS 263037</specimenCode>
!) [pro parte], deposited at the
<location id="8EF9607BFFCCFFD3FBA141D6FA1DFF58" LSID="urn:lsid:plazi:treatment:038F87B6FFCEFFD3FF1246CAFBE8FC84:8EF9607BFFCCFFD3FBA141D6FA1DFF58" box="[1083,1421,158,184]" municipality="State University of Feira de Santana" name="Herbarium of State University" pageId="6" pageNumber="199">
Herbarium of
<collectingMunicipality id="6BFDACDAFFCCFFD3FB4341D6FA1DFF58" box="[1241,1421,158,184]" pageId="6" pageNumber="199">State University</collectingMunicipality>
</location>
of Feira de Santana, population partially illustrated here (
<figureCitation id="131D2A25FFCCFFD3FD70418AFCAAFF3D" box="[746,826,194,221]" 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="6" pageNumber="199">Figs. 5</figureCitation>
,
<figureCitation id="131D2A25FFCCFFD3FCDC418AFC00FF3C" box="[838,912,194,220]" captionStart="FIGURES 19–28" captionStartId="5.[136,243,1920,1942]" captionTargetBox="[158,1428,288,1853]" captionTargetId="figure-72@5.[151,1436,281,1896]" captionTargetPageId="5" captionText="FIGURES 19–28. Cosmarium panamense var. therezienii var. nov. (19–23): LM (20–23), SEM (19), frontal view (20–21), lateral view (22), apical view (23). Euastrum evolutum var. truncatum var. nov. (24–28): LM (25–26), SEM (24), frontal view (25–26), lateral view (27), apical view (28). Scale Bar: 10 μm." figureDoi="http://doi.org/10.5281/zenodo.10438596" httpUri="https://zenodo.org/record/10438596/files/figure.png" pageId="6" pageNumber="199">24–28</figureCitation>
).
</materialsCitation>
</paragraph>
<paragraph id="8B9936A0FFCCFFD3FF2741AEFEDAFEC4" blockId="6.[136,1452,158,868]" pageId="6" pageNumber="199">
<emphasis id="B952EAB2FFCCFFD3FF2741AEFECAFEE0" bold="true" box="[189,346,230,256]" pageId="6" pageNumber="199">
<typeStatus id="549D8802FFCCFFD3FF2741AEFEA8FEE0" box="[189,312,230,256]" pageId="6" pageNumber="199" type="paratype">Paratypes</typeStatus>
:—
</emphasis>
Material numbered (
<collectionCode id="ED37AE65FFCCFFD3FDA441AEFD08FEE0" box="[574,664,230,256]" 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="6" pageNumber="199" type="Herbarium">HUEFS</collectionCode>
263038) [pro parte], deposited at the Herbarium of State University of Feira de Santana.
</paragraph>
<paragraph id="8B9936A0FFCCFFD3FF274066FC1AFE8C" blockId="6.[136,1452,158,868]" pageId="6" pageNumber="199">
<emphasis id="B952EAB2FFCCFFD3FF274066FEEBFEA7" bold="true" box="[189,379,301,328]" pageId="6" pageNumber="199">Type locality:—</emphasis>
<collectingCountry id="F3317630FFCCFFD3FEE64066FE75FEA8" box="[380,485,302,328]" name="Brazil" pageId="6" pageNumber="199">BRAZIL</collectingCountry>
.
<collectingRegion id="49E2F842FFCCFFD3FE754066FDA5FEA8" box="[495,565,302,328]" country="Brazil" name="Bahia" pageId="6" pageNumber="199">Bahia</collectingRegion>
: Camaçari, River Capivara Grande, Lat.
<geoCoordinate id="EE125067FFCCFFD3FC654066FB33FEA8" box="[1023,1187,302,329]" degrees="12" direction="south" minutes="45" orientation="latitude" pageId="6" pageNumber="199" precision="1" seconds="30.3" value="-12.758417">12°45’30.3’’ S</geoCoordinate>
, Long.
<geoCoordinate id="EE125067FFCCFFD3FB604066FA37FEA8" box="[1274,1447,302,328]" degrees="38" direction="west" minutes="10" orientation="longitude" pageId="6" pageNumber="199" precision="1" seconds="03.4" value="-38.167614">38°10’03.4’’ W</geoCoordinate>
,
<date id="FF981060FFCCFFD3FF12401AFEF3FE8C" box="[136,355,338,364]" pageId="6" pageNumber="199" value="2019-11-29">29 November 2019</date>
,
<collectionCode id="ED37AE65FFCCFFD3FEF4401AFEEFFE8C" box="[366,383,338,364]" country="USA" lsid="urn:lsid:biocol.org:col:15707" name="Field Museum of Natural History, Botany Department" pageId="6" pageNumber="199" type="Herbarium">F</collectionCode>
.
<collectionCode id="ED37AE65FFCCFFD3FE19401AFE0FFE8C" box="[387,415,338,364]" country="Germany" lsid="urn:lsid:biocol.org:col:15637" name="Botanische Staatssammlung München" pageId="6" pageNumber="199" type="Herbarium">M</collectionCode>
. Costa &amp;
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.
<collectionCode id="ED37AE65FFCCFFD3FD87401AFDA1FE8C" box="[541,561,338,364]" name="Tavera, Department of Geology and Geophysics" pageId="6" pageNumber="199">T</collectionCode>
.X. Neto s/n (
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263037).
</paragraph>
<paragraph id="8B9936A0FFCCFFD3FF27403DFA83FE54" blockId="6.[136,1452,158,868]" pageId="6" pageNumber="199">
<emphasis id="B952EAB2FFCCFFD3FF27403DFEAEFE6F" bold="true" box="[189,318,373,399]" pageId="6" pageNumber="199">Habitat:—</emphasis>
Periphytic on
<taxonomicName id="4C264D23FFCCFFD3FE43403EFD46FE70" box="[473,726,374,400]" class="Liliopsida" family="Cyperaceae" genus="Eleocharis" kingdom="Plantae" order="Poales" pageId="6" pageNumber="199" phylum="Tracheophyta" rank="species" species="acutangula">
<emphasis id="B952EAB2FFCCFFD3FE43403EFD46FE70" box="[473,726,374,400]" italics="true" pageId="6" pageNumber="199">Eleocharis acutangula</emphasis>
</taxonomicName>
; water conductivity 0.14 mS.cm-1 (± 0.08); dissolved oxygen
<quantity id="4CDE9B45FFCCFFD3FA12403EFF21FE54" metricMagnitude="-6" metricUnit="kg" metricValue="8.4" pageId="6" pageNumber="199" unit="mg" value="8.4">8.4 mg</quantity>
.L-1 (± 1.9); pH 6.3 (± 0.7); total dissolved solids 0.07 ppt (± 0.04); water temperature 30 ºC (± 0.3).
</paragraph>
</subSubSection>
<subSubSection id="C33C652BFFCCFFD3FF2740F6FB8FFE38" box="[189,1055,446,472]" pageId="6" pageNumber="199" type="etymology">
<paragraph id="8B9936A0FFCCFFD3FF2740F6FB8FFE38" blockId="6.[136,1452,158,868]" box="[189,1055,446,472]" pageId="6" pageNumber="199">
<emphasis id="B952EAB2FFCCFFD3FF2740F6FEF4FE38" bold="true" box="[189,356,446,472]" pageId="6" pageNumber="199">Etymology:—</emphasis>
The specific epithet refers to the truncated apices of semicells.
</paragraph>
</subSubSection>
<subSubSection id="C33C652BFFCCFFD3FF2740A9FBE8FC84" pageId="6" pageNumber="199" type="diagnosis">
<paragraph id="8B9936A0FFCCFFD3FF2740A9FE2BFDA4" blockId="6.[136,1452,158,868]" pageId="6" pageNumber="199">
<emphasis id="B952EAB2FFCCFFD3FF2740A9FE74FE1B" bold="true" box="[189,484,481,507]" pageId="6" pageNumber="199">Differential diagnosis:—</emphasis>
<taxonomicName id="4C264D23FFCCFFD3FE7E40ABFCFFFE1C" authorityName="Costa &amp; Ramos &amp; Moura" authorityYear="2023" box="[484,879,482,508]" class="Conjugatophyceae" family="Desmidiaceae" genus="Euastrum" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="199" phylum="Charophyta" rank="variety" species="evolutum" variety="truncatum">
<emphasis id="B952EAB2FFCCFFD3FE7E40ABFD51FE1C" box="[484,705,482,508]" italics="true" pageId="6" pageNumber="199">Euastrum evolutum</emphasis>
var.
<emphasis id="B952EAB2FFCCFFD3FD6640ABFCFFFE1C" box="[764,879,483,508]" italics="true" pageId="6" pageNumber="199">truncatum</emphasis>
</taxonomicName>
differs from the other varieties of
<taxonomicName id="4C264D23FFCCFFD3FB6540ABFA17FE1C" box="[1279,1415,482,508]" class="Conjugatophyceae" family="Desmidiaceae" genus="Euastrum" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="199" phylum="Charophyta" rank="species" species="evolutum">
<emphasis id="B952EAB2FFCCFFD3FB6540ABFA17FE1C" box="[1279,1415,482,508]" italics="true" pageId="6" pageNumber="199">E. evolutum</emphasis>
</taxonomicName>
by having apical lobes truncated, angles of the basal lobes decorated with few small spines and a central protrusion composed of four granules.
</paragraph>
<paragraph id="8B9936A0FFCCFFD3FF274306FD6EFD34" blockId="6.[136,1452,158,868]" pageId="6" pageNumber="199">
The morphologically closest taxon,
<taxonomicName id="4C264D23FFCCFFD3FDD14307FB2BFD88" authority="West &amp; G. S. West (1896: 244)" authorityName="West &amp; G. S. West" authorityPageNumber="244" authorityYear="1896" box="[587,1211,590,616]" class="Conjugatophyceae" family="Desmidiaceae" genus="Euastrum" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="199" phylum="Charophyta" rank="variety" species="evolutum" variety="integrius">
<emphasis id="B952EAB2FFCCFFD3FDD14307FD40FD88" box="[587,720,590,616]" italics="true" pageId="6" pageNumber="199">E. evolutum</emphasis>
var.
<emphasis id="B952EAB2FFCCFFD3FC9F4307FCF9FD88" box="[773,873,591,616]" italics="true" pageId="6" pageNumber="199">integrius</emphasis>
West &amp; G.S.
<bibRefCitation id="EFB74B51FFCCFFD3FC6B4306FB2BFD88" author="West, W. &amp; West, G. S." box="[1009,1211,590,616]" pageId="6" pageNumber="199" pagination="229 - 274" refId="ref4716" refString="West, W. &amp; West, G. S. (1896) On some North America Desmidieae. Transactions of the Linnean Society of Botany 5 (2): 229 - 274. https: // doi. org / 10.1111 / j. 1095 - 8339.1896. tb 00269. x" type="journal article" year="1896">West (1896: 244)</bibRefCitation>
</taxonomicName>
, has basal lobes more prominent and rounded, robust subapical spine and a central protrusion composed of three granules. Also resembles
<taxonomicName id="4C264D23FFCCFFD3FA09433BFE3DFD50" class="Conjugatophyceae" family="Desmidiaceae" genus="Euastrum" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="199" phylum="Charophyta" rank="variety" species="praemorsum" variety="foersteri">
<emphasis id="B952EAB2FFCCFFD3FA09433BFE86FD50" italics="true" pageId="6" pageNumber="199">E. praemorsum</emphasis>
var.
<emphasis id="B952EAB2FFCCFFD3FED443DEFE3DFD50" box="[334,429,662,688]" italics="true" pageId="6" pageNumber="199">foersteri</emphasis>
</taxonomicName>
F.M.
<collectingRegion id="49E2F842FFCCFFD3FE7C43DEFDBBFD50" box="[486,555,662,688]" country="New Zealand" name="West Coast" pageId="6" pageNumber="199">Costa</collectingRegion>
, C.E.M.Bicudo C.W.N.Moura (2018: 199), although the latter differs by having concave apical lobes and basal lobes are less prominent.
</paragraph>
<paragraph id="8B9936A0FFCCFFD3FF274396FCE5FCFC" blockId="6.[136,1452,158,868]" pageId="6" pageNumber="199">
We observed some specimens of
<taxonomicName id="4C264D23FFCCFFD3FDD34397FC4CFD18" authorityName="Costa &amp; Ramos &amp; Moura" authorityYear="2023" box="[585,988,734,760]" class="Conjugatophyceae" family="Desmidiaceae" genus="Euastrum" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="199" phylum="Charophyta" rank="variety" species="evolutum" variety="truncatum">
<emphasis id="B952EAB2FFCCFFD3FDD34397FCB8FD18" box="[585,808,734,760]" italics="true" pageId="6" pageNumber="199">Euastrum evolutum</emphasis>
var.
<emphasis id="B952EAB2FFCCFFD3FCF34397FC4CFD18" box="[873,988,735,760]" italics="true" pageId="6" pageNumber="199">truncatum</emphasis>
</taxonomicName>
having slightly closed apical incisions, whereas others having spines of the apical angles slightly concave.
</paragraph>
<paragraph id="8B9936A0FFCCFFD3FF72426EFBE8FC84" blockId="6.[136,1452,158,868]" pageId="6" pageNumber="199">The use of SEM allowed the observing some tiny characteristics, such as the presence of scrobicules close to the isthmus and at the lateral side of the base of the apical lobe, not discernible in the LM.</paragraph>
</subSubSection>
</treatment>
</document>
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