151 lines
17 KiB
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151 lines
17 KiB
XML
<document id="DE2CDAF53B55D96251319550970DDC2A" ID-DOI="10.11646/phytotaxa.655.2.3" ID-ISSN="1179-3163" ID-Zenodo-Dep="13212948" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1722613645106" checkinUser="felipe" docAuthor="Levanets, Anatoliy & Vuuren, Sanet Janse Van" docDate="2024" docId="03B9694AFF980F55FF0AFEA000193D17" docLanguage="en" docName="phytotaxa.155.2.3.pdf" docOrigin="Phytotaxa 655 (2)" docSource="http://dx.doi.org/10.11646/phytotaxa.655.2.3" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Pleurotaenium subcoronulatum var. maximum Van Oye 1953" docType="treatment" docVersion="2" lastPageNumber="152" masterDocId="FF801132FF900F5DFF82FFA403783E23" masterDocTitle="New insights into the morphology, taxonomy and geographical distribution of Pleurotaenium subcoronulatum (Zygnematophyceae, Desmidiales)" masterLastPageNumber="158" masterPageNumber="144" pageNumber="152" updateTime="1722801805157" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="872CC306E1375C61D7CB5FA0A7D2CDD5">New insights into the morphology, taxonomy and geographical distribution of Pleurotaenium subcoronulatum (Zygnematophyceae, Desmidiales)</mods:title>
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<mods:name id="DE295508A046F6F9BF30E94B9D3B0175" type="personal">
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<mods:namePart id="683AE5CFD75190AE03A8894E629AD977">Levanets, Anatoliy</mods:namePart>
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<mods:nameIdentifier id="94C72EE6C87A02F8DDCF3B88D367EA88" type="ORCID">0000-0002-6665-1290</mods:nameIdentifier>
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<mods:affiliation id="61A33406D86F9EBF0EE628BB32895FFF">Unit for Environmental Sciences and Management, North-West University, Potchefstroom 2520, South Africa</mods:affiliation>
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<mods:nameIdentifier id="17579B23E49F321F5C2B7D80B5319FF4" type="email">20868421@nwu.ac.za</mods:nameIdentifier>
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<mods:namePart id="9B359603E3410F8268EE25EC56A50564">Vuuren, Sanet Janse Van</mods:namePart>
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<mods:nameIdentifier id="D9203879E4B2439167EEF5D9EF8D405C" type="ORCID">0000-0001-5361-9905</mods:nameIdentifier>
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<mods:affiliation id="615580BFADE687268ACBD3CAEDD3B282">Unit for Environmental Sciences and Management, North-West University, Potchefstroom 2520, South Africa</mods:affiliation>
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<mods:nameIdentifier id="3A427994E4838D366A30E9EE7F185367" type="email">sanet.jansevanvuuren@nwu.ac.za</mods:nameIdentifier>
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<mods:title id="6F0A89C4C8F1380420377A2A0247E1C7">Phytotaxa</mods:title>
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<mods:date id="C10DBA46DBB45B8EA623BF63C5D55573">2024</mods:date>
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<mods:number id="BE0113F48FAAFD9C0978FC26CB2E41AC">2024-06-25</mods:number>
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<mods:number id="9DC3F19366301D2BAE2762ED78449C8B">655</mods:number>
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<mods:url id="09DACA65867F8B6060DFD7C3C8D2EA3A">http://dx.doi.org/10.11646/phytotaxa.655.2.3</mods:url>
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<treatment id="03B9694AFF980F55FF0AFEA000193D17" ID-DOI="http://doi.org/10.5281/zenodo.13212920" ID-Zenodo-Dep="13212920" LSID="urn:lsid:plazi:treatment:03B9694AFF980F55FF0AFEA000193D17" httpUri="http://treatment.plazi.org/id/03B9694AFF980F55FF0AFEA000193D17" lastPageNumber="152" pageId="8" pageNumber="152">
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<subSubSection id="C30A8BD7FF980F55FF0AFEA007603F3D" box="[136,1048,259,286]" pageId="8" pageNumber="152" type="nomenclature">
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<paragraph id="8BAFD85CFF980F55FF0AFEA007603F3D" blockId="8.[136,1048,259,286]" box="[136,1048,259,286]" pageId="8" pageNumber="152">
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<heading id="D0E76F30FF980F55FF0AFEA007603F3D" box="[136,1048,259,286]" fontSize="11" level="2" pageId="8" pageNumber="152" reason="4">
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<emphasis id="B964044EFF980F55FF0AFEA003E53F3D" bold="true" box="[136,157,260,286]" pageId="8" pageNumber="152">7.</emphasis>
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<taxonomicName id="4C10A3DFFF980F55FF3FFEA700C53F3E" authority="Van Oye 1953: 262" authorityName="Van Oye" authorityPageNumber="262" authorityYear="1953" box="[189,957,259,286]" class="Conjugatophyceae" family="Desmidiaceae" genus="Pleurotaenium" kingdom="Plantae" order="Zygnematales" pageId="8" pageNumber="152" phylum="Charophyta" rank="variety" species="subcoronulatum" variety="maximum">
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<emphasis id="B964044EFF980F55FF3FFEA701573F3D" bold="true" box="[189,559,259,286]" italics="true" pageId="8" pageNumber="152">Pleurotaenium subcoronulatum</emphasis>
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var.
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<emphasis id="B964044EFF980F55FDE4FEA701A33F3E" bold="true" box="[614,731,259,285]" italics="true" pageId="8" pageNumber="152">maximum</emphasis>
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<bibRefCitation id="EF81A5ADFF980F55FD63FEA000C53F3E" author="Van Oye, P." box="[737,957,259,286]" pageId="8" pageNumber="152" pagination="239 - 308" refId="ref12426" refString="Van Oye, P. (1953) Contribution a la connaissance des Desmidiees du Congo belge. Hydrobiologia 5: 239 - 308." type="journal article" year="1953">Van Oye 1953: 262</bibRefCitation>
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</taxonomicName>
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, fig. 31.
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C30A8BD7FF980F55FF0AFEE102893FA0" pageId="8" pageNumber="152" type="materials_examined">
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<paragraph id="8BAFD85CFF980F55FF0AFEE102893FA0" blockId="8.[136,1452,325,820]" pageId="8" pageNumber="152">
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<emphasis id="B964044EFF980F55FF0AFEE102513F7C" bold="true" box="[136,297,325,351]" pageId="8" pageNumber="152">
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<typeStatus id="54AB66FEFF980F55FF0AFEE103BB3F7C" box="[136,195,325,351]" pageId="8" pageNumber="152">Type</typeStatus>
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locality:
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</emphasis>
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<collectingCountry id="F30798CCFF980F55FEADFEE102AF3F7C" box="[303,471,325,351]" name="Democratic Republic of the Congo" pageId="8" pageNumber="152">Belgian Congo</collectingCountry>
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[now
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<collectingCountry id="F30798CCFF980F55FD9EFEE100043F7C" box="[540,892,325,351]" name="Democratic Republic of the Congo" pageId="8" pageNumber="152">Democratic Republic of Congo</collectingCountry>
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], environs of Stanleyville [now Kisangani, Tshopo Province], pond II,
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<date id="FFAEFE9CFF980F55FEE1FECD02953FA0" box="[355,493,361,387]" pageId="8" pageNumber="152" value="1926-05-01">1 May 1926</date>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C30A8BD7FF980F55FF3FFE2907C53CC8" pageId="8" pageNumber="152" type="description">
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<paragraph id="8BAFD85CFF980F55FF3FFE2907C53CC8" blockId="8.[136,1452,325,820]" pageId="8" pageNumber="152">
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<emphasis id="B964044EFF980F55FF3FFE2902293F84" bold="true" box="[189,337,397,423]" pageId="8" pageNumber="152">Description:</emphasis>
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Cells are characterized by extremely large dimensions compared to the
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<typeStatus id="54AB66FEFF980F55FBDBFE2907F43F84" box="[1113,1164,397,423]" pageId="8" pageNumber="152">type</typeStatus>
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, as well as all infraspecific taxa. According to the initial description of
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<taxonomicName id="4C10A3DFFF980F55FD08FE1600263FE8" box="[650,862,433,459]" class="Conjugatophyceae" family="Desmidiaceae" genus="Pleurotaenium" kingdom="Plantae" order="Zygnematales" pageId="8" pageNumber="152" phylum="Charophyta" rank="species" species="subcoronulatum">
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<emphasis id="B964044EFF980F55FD08FE1600263FE8" box="[650,862,433,459]" italics="true" pageId="8" pageNumber="152">P. subcoronulatum</emphasis>
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</taxonomicName>
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by
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<bibRefCitation id="EF81A5ADFF980F55FC0DFE1507573FE8" author="Turner, W. B." box="[911,1071,433,459]" pageId="8" pageNumber="152" pagination="1 - 187" refId="ref12318" refString="Turner, W. B. (1893) Algae aquae dulcis Indiae orientalis. The freshwater algae (principally Desmidieae) of East India. Kungliga Svenska Vetenskaps-Akademiens Handlingar 25 (5): 1 - 187." type="journal article" year="1893">Turner (1893)</bibRefCitation>
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cells are
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<quantity id="4CE875B9FF980F55FB27FE1506503FE8" box="[1189,1320,433,459]" metricMagnitude="0" metricUnit="m" metricValue="9.398" metricValueMax="10.16" metricValueMin="8.636" pageId="8" pageNumber="152" unit="in" value="370.0" valueMax="400.0" valueMin="340.0">340–400 in</quantity>
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length and 28–32 µm wide (other publications, listed in Table 2, mention slightly different dimensions for the
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<typeStatus id="54AB66FEFF980F55FB6CFE71065B3FCC" box="[1262,1315,469,495]" pageId="8" pageNumber="152">type</typeStatus>
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). According to
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<bibRefCitation id="EF81A5ADFF980F55FF25FE5D02293C30" author="Krieger, W." box="[167,337,505,531]" pageId="8" pageNumber="152" pagination="376 - 536" refId="ref9816" refString="Krieger, W. (1937) Die Desmidiaceen Europas mit Berucksichtigung der aussereuropaischen Arten. Band 13. Abteilung 1, Lieferung 3 of Dr. Rabenhorst's Kryptogamen-Flora von Deutschland, Osterreich und der Schweiz. Akademische Verlagsgeselschaft M. B. H., Leipzig, pp. 376 - 536." type="book chapter" year="1937">Krieger (1937)</bibRefCitation>
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<taxonomicName id="4C10A3DFFF980F55FED9FE5E01A53C30" authorityName="Willi Krieger" authorityYear="1937" baseAuthorityName="Schmidle" box="[347,733,505,531]" class="Conjugatophyceae" family="Desmidiaceae" genus="Pleurotaenium" kingdom="Plantae" order="Zygnematales" pageId="8" pageNumber="152" phylum="Charophyta" rank="variety" species="subcoronulatum" variety="africanum">
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<emphasis id="B964044EFF980F55FED9FE5E01563C30" box="[347,558,505,531]" italics="true" pageId="8" pageNumber="152">P. subcoronulatum</emphasis>
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var.
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<emphasis id="B964044EFF980F55FDE8FE5D01A53C30" box="[618,733,505,531]" italics="true" pageId="8" pageNumber="152">africanum</emphasis>
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</taxonomicName>
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has a length of 372–450 μm and a width of 24–38 μm, while
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<taxonomicName id="4C10A3DFFF980F55FF0AFDBA02AF3C14" box="[136,471,541,567]" class="Conjugatophyceae" family="Desmidiaceae" genus="Pleurotaenium" kingdom="Plantae" order="Zygnematales" pageId="8" pageNumber="152" phylum="Charophyta" rank="variety" species="subcoronulatum" variety="detum">
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<emphasis id="B964044EFF980F55FF0AFDBA02223C14" box="[136,346,541,567]" italics="true" pageId="8" pageNumber="152">P. subcoronulatum</emphasis>
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var.
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<emphasis id="B964044EFF980F55FE11FDB902AF3C14" box="[403,471,541,567]" italics="true" pageId="8" pageNumber="152">detum</emphasis>
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</taxonomicName>
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has a length of 385–690 μm and a width of 24–25 μm.
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<bibRefCitation id="EF81A5ADFF980F55FBD4FDB906453C14" author="West, W. & West, G. S." box="[1110,1341,541,567]" pageId="8" pageNumber="152" pagination="229 - 274" refId="ref12559" refString="West, W. & West, G. S. (1896) On some North America Desmidieae. Transactions of the Linnean Society of London, Botany, Series 2, 5: 229 - 274." type="journal article" year="1896">West & West (1896)</bibRefCitation>
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indicated dimensions of 404–446 µm (length) x 29–38 µm (width) for
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<taxonomicName id="4C10A3DFFF980F55FCC1FDE607EF3C78" box="[835,1175,577,603]" class="Conjugatophyceae" family="Desmidiaceae" genus="Pleurotaenium" kingdom="Plantae" order="Zygnematales" pageId="8" pageNumber="152" phylum="Charophyta" rank="variety" species="subcoronulatum" variety="detum">
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<emphasis id="B964044EFF980F55FCC1FDE6076D3C78" box="[835,1045,577,603]" italics="true" pageId="8" pageNumber="152">P. subcoronulatum</emphasis>
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var.
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<emphasis id="B964044EFF980F55FBCDFDE507EF3C78" box="[1103,1175,577,603]" italics="true" pageId="8" pageNumber="152">detum</emphasis>
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</taxonomicName>
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<emphasis id="B964044EFF980F55FB15FDE507E33C78" box="[1175,1179,577,603]" italics="true" pageId="8" pageNumber="152">.</emphasis>
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In comparison with the dimensions mentioned above, cells of
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<taxonomicName id="4C10A3DFFF980F55FDB1FDC200DF3C5C" authorityName="Van Oye" authorityYear="1953" box="[563,935,613,639]" class="Conjugatophyceae" family="Desmidiaceae" genus="Pleurotaenium" kingdom="Plantae" order="Zygnematales" pageId="8" pageNumber="152" phylum="Charophyta" rank="variety" species="subcoronulatum" variety="maximum">
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<emphasis id="B964044EFF980F55FDB1FDC2007B3C5C" box="[563,771,613,639]" italics="true" pageId="8" pageNumber="152">P. subcoronulatum</emphasis>
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var.
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<emphasis id="B964044EFF980F55FCB8FDC200DF3C5C" box="[826,935,614,639]" italics="true" pageId="8" pageNumber="152">maximum</emphasis>
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</taxonomicName>
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are much larger, with a length of 900–973 μm and a width of 60 μm and the length to width ratio is 16–16.5 (
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<bibRefCitation id="EF81A5ADFF980F55FCC7FD2D00933C87" author="Van Oye, P." box="[837,1003,649,676]" pageId="8" pageNumber="152" pagination="239 - 308" refId="ref12426" refString="Van Oye, P. (1953) Contribution a la connaissance des Desmidiees du Congo belge. Hydrobiologia 5: 239 - 308." type="journal article" year="1953">Van Oye 1953</bibRefCitation>
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). The number of visible apical tubercles is 14–15 and the cell wall is punctated. According to
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<bibRefCitation id="EF81A5ADFF980F55FD61FD0900E03CEB" author="Van Oye, P." box="[739,920,685,712]" pageId="8" pageNumber="152" pagination="239 - 308" refId="ref12426" refString="Van Oye, P. (1953) Contribution a la connaissance des Desmidiees du Congo belge. Hydrobiologia 5: 239 - 308." type="journal article" year="1953">Van Oye (1953)</bibRefCitation>
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the
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<taxonomicName id="4C10A3DFFF980F55FC48FD0907133CE4" box="[970,1131,685,711]" pageId="8" pageNumber="152" rank="variety" variety="cannot">variety cannot</taxonomicName>
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be confused with other taxa due to a lack of undulations between the apex and the well-pronounced basal swelling (
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<figureCitation id="132BC4D9FF980F55FBD9FD7507C93CC8" box="[1115,1201,721,747]" captionStart="FIGURE 4" captionStartId="9.[136,229,1918,1940]" captionTargetBox="[247,1341,195,1879]" captionTargetId="figure-29@9.[236,1350,187,1890]" captionTargetPageId="9" captionText="FIGURE 4. Comparison of the morphology of P. subcoronulatum with closely related infraspecific taxa. A) P. subcoronulatum (from Turner 1893), B) P. subcoronulatum (from West & West 1895, C) P. subcoronulatum f. elongatum (from Prescott et al. 1975), D) P. subcoronulatum var. africanum (from Krieger 1937), E) P. subcoronulatum var. detum (from West & West 1896), F) P. subcoronulatum var. maximum (from Van Oye 1953), G) P. subcoronulatum var. rectum (from Borge 1903) and H) P. subcoronulatum var. spinulosum (from Opute 2000). No scale bars; dimensions indicated in descriptions." figureDoi="http://doi.org/10.5281/zenodo.13212956" httpUri="https://zenodo.org/record/13212956/files/figure.png" pageId="8" pageNumber="152">Fig. 4F</figureCitation>
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).
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</paragraph>
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</subSubSection>
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||
<subSubSection id="C30A8BD7FF980F55FF3FFD5100193D17" pageId="8" pageNumber="152" type="distribution">
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<paragraph id="8BAFD85CFF980F55FF3FFD5102213D2C" blockId="8.[136,1452,325,820]" box="[189,345,757,783]" pageId="8" pageNumber="152">
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||
<emphasis id="B964044EFF980F55FF3FFD5102213D2C" bold="true" box="[189,345,757,783]" pageId="8" pageNumber="152">Distribution:</emphasis>
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</paragraph>
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<paragraph id="8BAFD85CFF980F55FF3FFCBD00193D17" blockId="8.[136,1452,325,820]" box="[189,865,793,820]" pageId="8" pageNumber="152">
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<emphasis id="B964044EFF980F55FF3FFCBD02713D10" bold="true" box="[189,265,793,819]" pageId="8" pageNumber="152">Africa</emphasis>
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:
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<collectingCountry id="F30798CCFF980F55FE9AFCBD01D93D10" box="[280,673,793,819]" name="Democratic Republic of the Congo" pageId="8" pageNumber="152">Democratic Republic of the Congo</collectingCountry>
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(
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<bibRefCitation id="EF81A5ADFF980F55FD2DFCBD002D3D17" author="Van Oye, P." box="[687,853,793,820]" pageId="8" pageNumber="152" pagination="239 - 308" refId="ref12426" refString="Van Oye, P. (1953) Contribution a la connaissance des Desmidiees du Congo belge. Hydrobiologia 5: 239 - 308." type="journal article" year="1953">Van Oye 1953</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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||
</document> |