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<document id="97CA74E5FD9587B7DCC0F9B636ABA13D" 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="038F87B6FFCEFFD1FF1242FEFB54F8B4" 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 panamense var. therezienii Costa, Ramos &amp; Moura, 2023, var. nov." docType="treatment" docVersion="2" lastPageNumber="197" 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">
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<mods:title id="7C50DAD7A42FD5BD16873896CD0BE995">New taxa of Cosmarium and Euastrum (Zygnematophyceae) from the North Coast of Bahia, Brazil</mods:title>
</mods:titleInfo>
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<mods:namePart id="6D68FDD13E56C48F2A97460CAA715446">Costa, Fabiana De Matos</mods:namePart>
<mods:nameIdentifier id="8C447DBC419154CCADE4A5A81F889A95" type="ORCID">0000-0001-7892-5036</mods:nameIdentifier>
<mods:affiliation id="97F9F6F9A86B17D7F91421417E504C16">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="7CEE1439731A33E7379FF8E0F8022C4C" type="email">famatoscosta@hotmail.com</mods:nameIdentifier>
</mods:name>
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<mods:role id="4068AE6D2FEA756DB4AA4C0A58D4EAD3">
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<mods:namePart id="69CADE5A75A49F2155EA78F46B7D4982">Ramos, Geraldo José Peixoto</mods:namePart>
<mods:nameIdentifier id="615BC7EC78FBC7EA13D7616919F538E8" type="ORCID">0000-0003-2089-0461</mods:nameIdentifier>
<mods:affiliation id="799A649D38172DBE245406AE8416CE76">Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, BA, Brazil.</mods:affiliation>
<mods:nameIdentifier id="7C005CFCE4B93D5EAAABDF85969D47B8" type="email">gjpramos@uesc.br</mods:nameIdentifier>
</mods:name>
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<mods:role id="92CEEC8F719D690D009F872A86FD5E3B">
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<mods:namePart id="25BA0D4A68D83E4506E1E9309973E1B6">Moura, Carlos Wallace Do Nascimento</mods:namePart>
<mods:nameIdentifier id="5D86DA639E5B9AAB6903C8DBE5B6DB65" type="ORCID">0000-0001-6904-6603</mods:nameIdentifier>
<mods:affiliation id="82AAEA3B48E7771494602D2C0B16CE50">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="5B1E16D2B5AB5FF5EB31CDF6D95A52C3" type="email">wallace@uefs.br</mods:nameIdentifier>
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<mods:title id="235B7D548C4824E277CF151919860545">Phytotaxa</mods:title>
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<mods:date id="E42AE5D6C482C633C4A927700F1F2F5D">2023</mods:date>
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<mods:number id="6450479049148C6E753BBEFEAD2ECDFC">2023-12-28</mods:number>
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<mods:number id="8C701FA5F0141A79E08EF5636F2140DF">632</mods:number>
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<treatment id="038F87B6FFCEFFD1FF1242FEFB54F8B4" ID-DOI="http://doi.org/10.5281/zenodo.10438602" ID-Zenodo-Dep="10438602" LSID="urn:lsid:plazi:treatment:038F87B6FFCEFFD1FF1242FEFB54F8B4" httpUri="http://treatment.plazi.org/id/038F87B6FFCEFFD1FF1242FEFB54F8B4" lastPageNumber="197" pageId="4" pageNumber="197">
<subSubSection id="C33C652BFFCEFFD1FF1242FEFAD2FC30" box="[136,1346,949,976]" pageId="4" pageNumber="197" type="nomenclature">
<paragraph id="8B9936A0FFCEFFD1FF1242FEFAD2FC30" blockId="4.[136,1346,949,976]" box="[136,1346,949,976]" pageId="4" pageNumber="197">
<heading id="D0D181CCFFCEFFD1FF1242FEFAD2FC30" box="[136,1346,949,976]" fontSize="11" level="2" pageId="4" pageNumber="197" reason="3">
<taxonomicName id="4C264D23FFCEFFD1FF1242FEFDD9FC30" authorityName="Costa &amp; Ramos &amp; Moura" authorityYear="2023" box="[136,585,949,976]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="197" phylum="Charophyta" rank="variety" species="panamense" variety="therezienii">
<emphasis id="B952EAB2FFCEFFD1FF1242FEFE09FC30" bold="true" box="[136,409,950,976]" italics="true" pageId="4" pageNumber="197">Cosmarium panamense</emphasis>
var.
<emphasis id="B952EAB2FFCEFFD1FE4A42FDFDD9FC30" bold="true" box="[464,585,949,976]" italics="true" pageId="4" pageNumber="197">therezienii</emphasis>
</taxonomicName>
F.M.
<collectingRegion id="49E2F842FFCEFFD1FD1942FEFD58FC30" box="[643,712,950,976]" country="New Zealand" name="West Coast" pageId="4" pageNumber="197">Costa</collectingRegion>
, G.J.P.Ramos &amp; C.W.N.Moura
<emphasis id="B952EAB2FFCEFFD1FBB042FFFB18FC30" box="[1066,1160,951,976]" italics="true" pageId="4" pageNumber="197">
<taxonomicNameLabel id="A26157C9FFCEFFD1FBB042FFFB18FC30" box="[1066,1160,951,976]" pageId="4" pageNumber="197" rank="variety">var. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="131D2A25FFCEFFD1FB0D42FEFB76FC30" box="[1175,1254,950,976]" captionStart="FIGURES 25" captionStartId="2.[136,243,1479,1501]" captionTargetBox="[181,1407,290,1355]" captionTargetId="figure-31@2.[151,1436,190,1455]" captionTargetPageId="2" captionText="FIGURES 25. 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. 4</figureCitation>
,
<figureCitation id="131D2A25FFCEFFD1FB6842FEFAAAFC30" box="[1266,1338,950,976]" captionStart="FIGURES 1928" captionStartId="5.[136,243,1920,1942]" captionTargetBox="[158,1428,288,1853]" captionTargetId="figure-72@5.[151,1436,281,1896]" captionTargetPageId="5" captionText="FIGURES 1928. Cosmarium panamense var. therezienii var. nov. (1923): LM (2023), SEM (19), frontal view (2021), lateral view (22), apical view (23). Euastrum evolutum var. truncatum var. nov. (2428): LM (2526), SEM (24), frontal view (2526), 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">1923</figureCitation>
)
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C33C652BFFCEFFD1FF1242B5FB08FB80" pageId="4" pageNumber="197" type="diagnosis">
<paragraph id="8B9936A0FFCEFFD1FF1242B5FB08FB80" blockId="4.[136,1452,1021,1877]" pageId="4" pageNumber="197">
<emphasis id="B952EAB2FFCEFFD1FF1242B5FE95FBF7" bold="true" box="[136,261,1021,1047]" pageId="4" pageNumber="197">Diagnosis:</emphasis>
—Cells slightly longer than broad, median constriction deep, sinus closed, linear; semicells trapeziform, margins crenate; cell wall covered by rows of granules surrounded by scrobicules; cell in apical view broadly ellipsoid. Cell dimensions: length 6478.3 μm, breadth 56.360 μm, breadth of isthmus 20.423.5 μm.
</paragraph>
</subSubSection>
<subSubSection id="C33C652BFFCEFFD1FF274522FA83FA60" pageId="4" pageNumber="197" type="materials_examined">
<paragraph id="8B9936A0FFCEFFD1FF274522FC0CFB48" blockId="4.[136,1452,1021,1877]" pageId="4" pageNumber="197">
<materialsCitation id="3B4E3CFDFFCEFFD1FF274522FC0CFB48" collectionCode="HUEFS" location="Herbarium of State University" municipality="State University of Feira de Santana" pageId="4" pageNumber="197" specimenCode="HUEFS 263034" specimenCount="1" typeStatus="holotype">
<emphasis id="B952EAB2FFCEFFD1FF274522FEDFFB64" bold="true" box="[189,335,1130,1156]" pageId="4" pageNumber="197">
<typeStatus id="549D8802FFCEFFD1FF274522FEBDFB64" box="[189,301,1130,1156]" pageId="4" pageNumber="197" type="holotype">Holotype</typeStatus>
:—
</emphasis>
Material numbered (
<specimenCode id="DB809EDBFFCEFFD1FDA94522FD7FFB64" box="[563,751,1130,1156]" 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="4" pageNumber="197" type="Herbarium">HUEFS 263034</specimenCode>
!) [pro parte], deposited at the
<location id="8EF9607BFFCEFFD1FBA14522FA1DFB64" LSID="urn:lsid:plazi:treatment:038F87B6FFCEFFD1FF1242FEFB54F8B4:8EF9607BFFCEFFD1FBA14522FA1DFB64" box="[1083,1421,1130,1156]" municipality="State University of Feira de Santana" name="Herbarium of State University" pageId="4" pageNumber="197">
Herbarium of
<collectingMunicipality id="6BFDACDAFFCEFFD1FB434522FA1DFB64" box="[1241,1421,1130,1156]" pageId="4" pageNumber="197">State University</collectingMunicipality>
</location>
of Feira de Santana, population partially illustrated here (
<figureCitation id="131D2A25FFCEFFD1FD7045C6FCAAFB48" box="[746,826,1166,1192]" captionStart="FIGURES 25" captionStartId="2.[136,243,1479,1501]" captionTargetBox="[181,1407,290,1355]" captionTargetId="figure-31@2.[151,1436,190,1455]" captionTargetPageId="2" captionText="FIGURES 25. 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. 4</figureCitation>
,
<figureCitation id="131D2A25FFCEFFD1FCDC45C6FC00FB48" box="[838,912,1166,1192]" captionStart="FIGURES 1928" captionStartId="5.[136,243,1920,1942]" captionTargetBox="[158,1428,288,1853]" captionTargetId="figure-72@5.[151,1436,281,1896]" captionTargetPageId="5" captionText="FIGURES 1928. Cosmarium panamense var. therezienii var. nov. (1923): LM (2023), SEM (19), frontal view (2021), lateral view (22), apical view (23). Euastrum evolutum var. truncatum var. nov. (2428): LM (2526), SEM (24), frontal view (2526), 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">1923</figureCitation>
).
</materialsCitation>
</paragraph>
<paragraph id="8B9936A0FFCEFFD1FF2745FAFEDAFB10" blockId="4.[136,1452,1021,1877]" pageId="4" pageNumber="197">
<emphasis id="B952EAB2FFCEFFD1FF2745FAFECAFB2C" bold="true" box="[189,346,1202,1228]" pageId="4" pageNumber="197">
<typeStatus id="549D8802FFCEFFD1FF2745FAFEA8FB2C" box="[189,312,1202,1228]" pageId="4" pageNumber="197" type="paratype">Paratypes</typeStatus>
:—
</emphasis>
Material numbered (
<collectionCode id="ED37AE65FFCEFFD1FDA445FAFD08FB2C" box="[574,664,1202,1228]" 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="4" pageNumber="197" type="Herbarium">HUEFS</collectionCode>
263041) [pro parte], deposited at the Herbarium of State University of Feira de Santana.
</paragraph>
<paragraph id="8B9936A0FFCEFFD1FF2745B2FC0DFAD8" blockId="4.[136,1452,1021,1877]" pageId="4" pageNumber="197">
<emphasis id="B952EAB2FFCEFFD1FF2745B2FEEBFAF3" bold="true" box="[189,379,1273,1300]" pageId="4" pageNumber="197">Type locality:—</emphasis>
<collectingCountry id="F3317630FFCEFFD1FEE645B2FE75FAF4" box="[380,485,1274,1300]" name="Brazil" pageId="4" pageNumber="197">BRAZIL</collectingCountry>
.
<collectingRegion id="49E2F842FFCEFFD1FE7545B2FDA5FAF4" box="[495,565,1274,1300]" country="Brazil" name="Bahia" pageId="4" pageNumber="197">Bahia</collectingRegion>
: Camaçari, Capivara Grande River, Lat.
<geoCoordinate id="EE125067FFCEFFD1FC6545B2FB33FAF4" box="[1023,1187,1274,1301]" degrees="12" direction="south" minutes="45" orientation="latitude" pageId="4" pageNumber="197" precision="1" seconds="05.8" value="-12.751611">12°4505.8 S</geoCoordinate>
, Long.
<geoCoordinate id="EE125067FFCEFFD1FB6045B2FA38FAF4" box="[1274,1448,1274,1300]" degrees="38" direction="west" minutes="10" orientation="longitude" pageId="4" pageNumber="197" precision="1" seconds="22.4" value="-38.17289">38°1022.4 W</geoCoordinate>
,
<date id="FF981060FFCEFFD1FF124456FEF5FAD8" box="[136,357,1310,1336]" pageId="4" pageNumber="197" value="2019-09-17">17 September 2019</date>
,
<emphasis id="B952EAB2FFCEFFD1FEEA4457FD58FAD8" box="[368,712,1310,1336]" italics="true" pageId="4" pageNumber="197">
<collectionCode id="ED37AE65FFCEFFD1FEEA4457FE11FAD8" box="[368,385,1311,1336]" country="USA" lsid="urn:lsid:biocol.org:col:15707" name="Field Museum of Natural History, Botany Department" pageId="4" pageNumber="197" type="Herbarium">F</collectionCode>
.
<collectionCode id="ED37AE65FFCEFFD1FE1E4457FE0BFAD8" box="[388,411,1311,1336]" country="Germany" lsid="urn:lsid:biocol.org:col:15637" name="Botanische Staatssammlung München" pageId="4" pageNumber="197" type="Herbarium">M</collectionCode>
. Costa &amp;
<collectionCode id="ED37AE65FFCEFFD1FD954457FDB6FAD8" box="[527,550,1311,1336]" country="Germany" lsid="urn:lsid:biocol.org:col:15637" name="Botanische Staatssammlung München" pageId="4" pageNumber="197" type="Herbarium">M</collectionCode>
.
<collectionCode id="ED37AE65FFCEFFD1FDB04456FDADFAD8" box="[554,573,1310,1336]" country="Sweden" lsid="urn:lsid:biocol.org:col:15668" name="Department of Botany, Swedish Museum of Natural History" pageId="4" pageNumber="197" type="Herbarium">S</collectionCode>
. Correia s/n
</emphasis>
(
<collectionCode id="ED37AE65FFCEFFD1FD4D4456FCA1FAD8" box="[727,817,1310,1336]" 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="4" pageNumber="197" type="Herbarium">HUEFS</collectionCode>
263034).
</paragraph>
<paragraph id="8B9936A0FFCEFFD1FF274409FA83FA60" blockId="4.[136,1452,1021,1877]" pageId="4" pageNumber="197">
<emphasis id="B952EAB2FFCEFFD1FF274409FEAEFABB" bold="true" box="[189,318,1345,1371]" pageId="4" pageNumber="197">Habitat:—</emphasis>
Periphytic on
<taxonomicName id="4C264D23FFCEFFD1FE43440AFD46FABC" box="[473,726,1346,1372]" class="Liliopsida" family="Cyperaceae" genus="Eleocharis" kingdom="Plantae" order="Poales" pageId="4" pageNumber="197" phylum="Tracheophyta" rank="species" species="acutangula">
<emphasis id="B952EAB2FFCEFFD1FE43440AFD46FABC" box="[473,726,1346,1372]" italics="true" pageId="4" pageNumber="197">Eleocharis acutangula</emphasis>
</taxonomicName>
; water conductivity 0.08 mS.cm-1 (± 0.01); dissolved oxygen 8.0 mg.L-1 (± 1.3); pH 6.4 (± 0.5); total dissolved solids 0.04 ppt (± 0.01); water temperature 30 ºC (± 1.8).
</paragraph>
</subSubSection>
<subSubSection id="C33C652BFFCEFFD1FF2744C2FD45FA28" pageId="4" pageNumber="197" type="etymology">
<paragraph id="8B9936A0FFCEFFD1FF2744C2FD45FA28" blockId="4.[136,1452,1021,1877]" pageId="4" pageNumber="197">
<emphasis id="B952EAB2FFCEFFD1FF2744C2FEF4FA44" bold="true" box="[189,356,1418,1444]" pageId="4" pageNumber="197">Etymology:—</emphasis>
The epithet is given in honor of the French desmidiologist Yves Thérézien for his contribution to knowledge of desmids, especially in South America.
</paragraph>
</subSubSection>
<subSubSection id="C33C652BFFCEFFD1FF274499FB54F8B4" pageId="4" pageNumber="197" type="diagnosis">
<paragraph id="8B9936A0FFCEFFD1FF274499FED9F99C" blockId="4.[136,1452,1021,1877]" pageId="4" pageNumber="197">
<emphasis id="B952EAB2FFCEFFD1FF274499FE78FA0B" bold="true" box="[189,488,1489,1515]" pageId="4" pageNumber="197">Differential diagnosis:—</emphasis>
<taxonomicName id="4C264D23FFCEFFD1FE72449AFD65FA0C" box="[488,757,1490,1516]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="197" phylum="Charophyta" rank="species" species="panamense">
<emphasis id="B952EAB2FFCEFFD1FE72449AFD65FA0C" box="[488,757,1490,1516]" italics="true" pageId="4" pageNumber="197">Cosmarium panamense</emphasis>
</taxonomicName>
was proposed by
<bibRefCitation id="EFB74B51FFCEFFD1FC4C449AFB59FA0D" author="Prescott, G. W." box="[982,1225,1490,1517]" pageId="4" pageNumber="197" pagination="501 - 509" refId="ref4008" refString="Prescott, G. W. (1936) Notes on the algae of Gatun Lake, Panama Canal. Transactions of the American Microscopical Society 55 (4): 501 - 509. https: // doi. org / 10.2307 / 3222536" type="journal article" year="1936">Prescott (1936: 504)</bibRefCitation>
, based on material collected in
<collectingCountry id="F3317630FFCEFFD1FE8844BEFEFEF9F0" box="[274,366,1526,1552]" name="Panama" pageId="4" pageNumber="197">Panamá</collectingCountry>
. In
<collectingCountry id="F3317630FFCEFFD1FE0344BEFE70F9F0" box="[409,480,1526,1552]" name="Brazil" pageId="4" pageNumber="197">Brazil</collectingCountry>
, this species is rarely reported in the literature. There is only a confirmed record of its occurrence in the Brazilian territory, which was based on the sample gathered in municipality of Andaraí,
<collectingRegion id="49E2F842FFCEFFD1FAB14752FA3BF9D4" box="[1323,1451,1562,1588]" country="Brazil" name="Bahia" pageId="4" pageNumber="197">Bahia State</collectingRegion>
(
<bibRefCitation id="EFB74B51FFCEFFD1FF0A4776FEF1F9B8" author="Ramos, G. J. P. &amp; Santos, M. A. &amp; Moura, C. W. N." box="[144,353,1598,1624]" pageId="4" pageNumber="197" pagination="188 - 214" refId="ref4261" refString="Ramos, G. J. P., Santos, M. A. &amp; Moura, C. W. N. (2021) How hidden is the diversity of the genus Cosmarium (Desmidiaceae) in the Brazilian Caatinga? Acta Botanica Brasilica 35: 188 - 214. https: // doi. org / 10.1590 / 0102 - 33062020 abb 0370" type="journal article" year="2021">
Ramos
<emphasis id="B952EAB2FFCEFFD1FF7C4777FE87F9B8" box="[230,279,1598,1624]" italics="true" pageId="4" pageNumber="197">et al</emphasis>
. 2021
</bibRefCitation>
). Thus, the material from the Capivara River basin represents the second taxonomic record of that species in
<collectingCountry id="F3317630FFCEFFD1FF67472AFED5F99C" box="[253,325,1634,1660]" name="Brazil" pageId="4" pageNumber="197">Brazil</collectingCountry>
.
</paragraph>
<paragraph id="8B9936A0FFCEFFD1FF2747CEFA9EF908" blockId="4.[136,1452,1021,1877]" pageId="4" pageNumber="197">
Morphologically, the main characteristic that differs in
<taxonomicName id="4C264D23FFCEFFD1FCB547CEFBEDF940" authorityName="Costa &amp; Ramos &amp; Moura" authorityYear="2023" box="[815,1149,1670,1696]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="197" phylum="Charophyta" rank="variety" species="panamense" variety="therezienii">
<emphasis id="B952EAB2FFCEFFD1FCB547CEFC5EF940" box="[815,974,1670,1696]" italics="true" pageId="4" pageNumber="197">C. panamense</emphasis>
var.
<emphasis id="B952EAB2FFCEFFD1FB9247CEFBEDF940" box="[1032,1149,1670,1696]" italics="true" pageId="4" pageNumber="197">therezienii</emphasis>
</taxonomicName>
from the nominate variety is the cell outline, with trapeziform semicells in frontal view, and broadly ellipsoid in apical view. This morphotype is quite similar to the taxon described by
<bibRefCitation id="EFB74B51FFCEFFD1FDA64786FCBFF908" author="Therezien, Y." box="[572,815,1742,1769]" pageId="4" pageNumber="197" pagination="5 - 275" refId="ref4562" refString="Therezien, Y. (1985) Contribution a l'etude des algues d'eau douce de la Guyane Francaise (a l'exclusion des Diatomees). Bibliotheca Phycologica 72: 5 - 275." type="journal article" year="1985">Thérézien (1985: 108</bibRefCitation>
, PI. XXVIII -
<figureCitation id="131D2A25FFCEFFD1FC484786FB84F908" box="[978,1044,1742,1768]" captionStart="FIGURES 25" captionStartId="2.[136,243,1479,1501]" captionTargetBox="[181,1407,290,1355]" captionTargetId="figure-31@2.[151,1436,190,1455]" captionTargetPageId="2" captionText="FIGURES 25. 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">Fig. 2</figureCitation>
) from
<collectingCountry id="F3317630FFCEFFD1FBFB4786FA9BF908" box="[1121,1291,1742,1768]" name="French Guiana" pageId="4" pageNumber="197">French Guiana</collectingCountry>
.
</paragraph>
<paragraph id="8B9936A0FFCEFFD1FF2747BAFB54F8B4" blockId="4.[136,1452,1021,1877]" pageId="4" pageNumber="197">
<taxonomicName id="4C264D23FFCEFFD1FF2747BAFDE4F8EC" authorityName="Costa &amp; Ramos &amp; Moura" authorityYear="2023" box="[189,628,1778,1804]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="197" phylum="Charophyta" rank="variety" species="panamense" variety="therezienii">
<emphasis id="B952EAB2FFCEFFD1FF2747BAFE56F8EC" box="[189,454,1778,1804]" italics="true" pageId="4" pageNumber="197">Cosmarium panamense</emphasis>
var.
<emphasis id="B952EAB2FFCEFFD1FE6547BAFDE4F8EC" box="[511,628,1778,1804]" italics="true" pageId="4" pageNumber="197">therezienii</emphasis>
</taxonomicName>
shows some morphological characteristics similar to
<taxonomicName id="4C264D23FFCEFFD1FB4947BAFE19F8D0" authority="West &amp; G. S. West (1895: 61)" authorityName="West &amp; G. S. West" authorityPageNumber="61" authorityYear="1895" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="197" phylum="Charophyta" rank="species" species="decoratum">
<emphasis id="B952EAB2FFCEFFD1FB4947BAFAFDF8EC" box="[1235,1389,1778,1804]" italics="true" pageId="4" pageNumber="197">C. decoratum</emphasis>
West &amp; G.S.
<bibRefCitation id="EFB74B51FFCEFFD1FF54465EFE19F8D0" author="West, W. &amp; West, G. S." box="[206,393,1814,1841]" pageId="4" pageNumber="197" pagination="41 - 90" refId="ref4658" refString="West, W. &amp; West, G. S. (1895) A contribution to our knowledge of the freshwater algae of Madagascar. Transactions of the Linnean Society of Botany 5: 41 - 90. https: // doi. org / 10.1111 / j. 1095 - 8339.1895. tb 00202. x" type="journal article" year="1895">West (1895: 61)</bibRefCitation>
</taxonomicName>
, but the latter differs by having scrobicules with a triangular shape on the faces of the semicells, as illustrated by West &amp; G.S.
<bibRefCitation id="EFB74B51FFCEFFD1FE5F4672FDC1F8B5" author="West, W. &amp; West, G. S." box="[453,593,1850,1877]" pageId="4" pageNumber="197" pagination="41 - 90" refId="ref4658" refString="West, W. &amp; West, G. S. (1895) A contribution to our knowledge of the freshwater algae of Madagascar. Transactions of the Linnean Society of Botany 5: 41 - 90. https: // doi. org / 10.1111 / j. 1095 - 8339.1895. tb 00202. x" type="journal article" year="1895">West (1895</bibRefCitation>
: pl.7, fig.21) and by
<bibRefCitation id="EFB74B51FFCEFFD1FCA34672FB87F8B4" author="Coute, A. &amp; Tell, G." box="[825,1047,1850,1876]" pageId="4" pageNumber="197" pagination="7 - 228" refId="ref3550" refString="Coute, A. &amp; Tell, G. (1981) Ultrastructure de la paroi Cellulaire des Desmidiacees au microscope electronique balayage. Nova Hedwigia 68: 7 - 228." type="journal article" year="1981">Couté &amp; Tell (1981</bibRefCitation>
: pl.10, fig.1-6).
</paragraph>
</subSubSection>
</treatment>
</document>