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<document id="FC783F30F04248758DEC349CE44FC229" ID-CLB-Dataset="6176" ID-DOI="10.11646/phytotaxa.30.1.1" ID-GBIF-Dataset="e617ba0d-6329-4481-8c82-15d70cee421c" ID-ISSN="1179-3163" ID-Zenodo-Dep="4894396" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1622649201366" checkinUser="felipe" docAuthor="Levkov, Zlatko &amp; Williams, David M." docDate="2011" docId="03AC87D2B844FFD600FDF9FB232ADD76" docLanguage="en" docName="Phytotaxa.30.1-41.pdf.imf" docOrigin="Phytotaxa 30" docSource="http://biotaxa.org/Phytotaxa/article/view/phytotaxa.30.1.1" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Gomphonema perolivaceolacuum Levkov 2011, sp. nov." docType="treatment" docVersion="8" lastPageNumber="29" masterDocId="FF95FFAAB85FFFCB006AFF802103DC05" masterDocTitle="Fifteen new diatom (Bacillariophyta) species from Lake Ohrid, Macedonia" masterLastPageNumber="41" masterPageNumber="1" pageNumber="28" updateTime="1698998376749" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="F61B7C3F1BEC27E734FED9798309A423">Fifteen new diatom (Bacillariophyta) species from Lake Ohrid, Macedonia</mods:title>
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<mods:name id="C42F754D7C8D03A60FE7680F03C3BC41" type="personal">
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<mods:namePart id="09977FFDDC6EF3DD8FA9973991298027">Levkov, Zlatko</mods:namePart>
<mods:affiliation id="13B54D3C4C58A3309232382C66C60DC7">Institute of Biology, Faculty of Natural Sciences, Gazi Baba bb, Skopje, R. Macedonia. E-mail: zlevkov @ iunona. pmf. ukim. edu. mk Department of Botany, the Natural History Museum, Cromwell Road, London, United Kingdom. Email: d. m. williams @ nhm. ac. uk</mods:affiliation>
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<mods:date id="5C4BC8F4C5ACFB448C5EE30BDBE1F1E1">2011</mods:date>
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<treatment id="03AC87D2B844FFD600FDF9FB232ADD76" ID-DOI="http://doi.org/10.5281/zenodo.4924777" ID-GBIF-Taxon="182645410" ID-Zenodo-Dep="4924777" LSID="urn:lsid:plazi:treatment:03AC87D2B844FFD600FDF9FB232ADD76" httpUri="http://treatment.plazi.org/id/03AC87D2B844FFD600FDF9FB232ADD76" lastPageId="29" lastPageNumber="29" pageId="27" pageNumber="28">
<subSubSection id="C31F654FB844FFD000FDF9FB20CBDB3D" pageId="27" pageNumber="28" type="nomenclature">
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<heading id="D0F281A8B844FFD000FDF9FB2582DA9D" bold="true" box="[151,1153,1659,1688]" fontSize="12" level="1" pageId="27" pageNumber="28" reason="1">
<emphasis id="B971EAD6B844FFD000FDF9FB2582DA9D" bold="true" box="[151,1153,1659,1688]" pageId="27" pageNumber="28">
<taxonomicName id="4C054D47B844FFD000FDF9FB23C2DA9D" authority="Levkov" authorityName="Levkov" authorityYear="2011" box="[151,705,1659,1688]" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphonema" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="27" pageNumber="28" phylum="Bacillariophyta" rank="species" species="perolivaceolacuum" status="sp. nov.">
<emphasis id="B971EAD6B844FFD000FDF9FB2357DA92" bold="true" box="[151,596,1659,1687]" italics="true" pageId="27" pageNumber="28">Gomphonema perolivaceolacuum</emphasis>
Levkov
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,
<emphasis id="B971EAD6B844FFD002A5F9FB2231DA92" bold="true" box="[719,818,1659,1687]" italics="true" pageId="27" pageNumber="28">
<taxonomicNameLabel id="A24257ADB844FFD002A5F9FB2231DA92" box="[719,818,1659,1687]" pageId="27" pageNumber="28" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="133E2A41B844FFD00329F9FB22F4DA9D" box="[835,1015,1659,1688]" captionStart="FIGURES 185209" captionStartId="28.[151,270,1629,1653]" captionTargetBox="[352,1233,353,1613]" captionTargetId="figure-190@28.[352,1234,353,1613]" captionTargetPageId="28" captionText="FIGURES 185209: LM micrographs. Figs 185198. Gomphonema perolivaceolacuum. Figs 199209. Gomphonema linearoides. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.4894439" httpUri="https://zenodo.org/record/4894439/files/figure.png" pageId="27" pageNumber="28">Figs 185198</figureCitation>
,
<figureCitation id="133E2A41B844FFD0046CF9FB257BDA9D" box="[1030,1144,1659,1688]" captionStart="FIGURES 241245" captionStartId="31.[151,271,1441,1465]" captionTargetBox="[356,1230,159,1419]" captionTargetId="figure-223@31.[352,1234,159,1419]" captionTargetPageId="31" captionText="FIGURES 241245: SEM micrographs of Gomphonema perolivaceolacuum. Figs 241, 243. External view of whole valves. Fig. 242. Detail of mid-valve showing small central area, teardrop-shaped central pores and biseriate striae. Fig. 244. Detail of base pole showing distinct APF and straight distal raphe fissure. Fig. 245. Detail of head pole, showing slightly deflected distal raphe fissure. Scale bars in Figs 241, 243 = 10 µm; Figs 242, 244, 245 = 2 µm." figureDoi="http://doi.org/10.5281/zenodo.4894443" httpUri="https://zenodo.org/record/4894443/files/figure.png" pageId="27" pageNumber="28">241245</figureCitation>
)
</emphasis>
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</paragraph>
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<emphasis id="B971EAD6B844FFD000FDF92120CBDB3D" italics="true" pageId="27" pageNumber="28">
<collectingRegion id="49C1F826B844FFD000FDF92121DDDABD" box="[151,222,1697,1720]" country="Bulgaria" name="Vratsa" pageId="27" pageNumber="28">Valvae</collectingRegion>
late lanceolate marginibus gradatum attenuata ad apices versus. Vertex leniter protractus et late rotundatus. Polus basalis subprotractus et anguste rotundatus vel subcapitatus. Longitudo valvae
<quantity id="4CFD9B21B844FFD00411F94125EFDADD" box="[1147,1260,1729,1752]" metricMagnitude="-2" metricUnit="m" metricValue="4.2" metricValueMax="5.3" metricValueMin="3.1" pageId="27" pageNumber="28" unit="mm" value="42.0" valueMax="53.0" valueMin="31.0">3153 µm</quantity>
, latitudo valvae 9.511.0 µm. Raphe filiformis poris centralibus distinctis. Area axialis angusta linearis, area centralis variabiliter dilatata. Stigma solitaria abest. Striae transapicales valde radiate in media parte, leviter radiate vel parallelae sub apices,
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.
</emphasis>
</paragraph>
</subSubSection>
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<paragraph id="8BBA36C4B844FFD000FDF8C02418DB84" blockId="27.[151,1437,1659,1921]" pageId="27" pageNumber="28">
<materialsCitation id="3B6D3C99B844FFD000FDF8C0249FDB5E" ID-GBIF-Occurrence="3128566316" box="[151,1436,1856,1883]" collectingDate="2007-03-17" country="Macedonia" location="Bay of St. Naum" municipality="Lake" pageId="27" pageNumber="28" specimenCount="1" stateProvince="Ohrid" typeStatus="holotype">
<emphasis id="B971EAD6B844FFD000FDF8C021D4DB5F" bold="true" box="[151,215,1856,1882]" pageId="27" pageNumber="28">
<typeStatus id="54BE8866B844FFD000FDF8C021D4DB5F" box="[151,215,1856,1882]" pageId="27" pageNumber="28">Type</typeStatus>
</emphasis>
:—
<collectingCountry id="F3127654B844FFD00091F8C120BEDB5E" box="[251,445,1857,1883]" name="Macedonia" pageId="27" pageNumber="28">MACEDONIA</collectingCountry>
.
<collectingMunicipality id="6BDEACBEB844FFD001A1F8C1230BDB5E" box="[459,520,1857,1883]" pageId="27" pageNumber="28">Lake</collectingMunicipality>
<collectingRegion id="49C1F826B844FFD00278F8C1235EDB5E" box="[530,605,1857,1883]" country="Macedonia" name="Ohrid" pageId="27" pageNumber="28">Ohrid</collectingRegion>
,
<location id="8EDA601FB844FFD00206F8C12240DB5E" LSID="urn:lsid:plazi:treatment:03AC87D2B844FFD600FDF9FB232ADD76:8EDA601FB844FFD00206F8C12240DB5E" box="[620,835,1857,1883]" country="Macedonia" municipality="Lake" name="Bay of St. Naum" pageId="27" pageNumber="28" stateProvince="Ohrid">Bay of St. Naum</location>
, shore, mosses, collection date:
<date id="FFBB1004B844FFD004B7F8C1249FDB5E" box="[1245,1436,1857,1883]" pageId="27" pageNumber="28" value="2007-03-17">
<collectingDate id="EFFFE9ECB844FFD004B7F8C1249FDB5E" box="[1245,1436,1857,1883]" pageId="27" pageNumber="28" value="2007-03-17">17 March 2007</collectingDate>
</date>
</materialsCitation>
(accession No.
<collectionCode id="ED14AE01B844FFD00120F8E720B4DB84" box="[330,439,1895,1921]" country="Macedonia" httpUri="http://grbio.org/cool/40e3-v9id" name="Institute of Biology" pageId="27" pageNumber="28" type="Herbarium">MKNDC</collectionCode>
001120),
<materialsCitation id="3B6D3C99B844FFD00244F8E72415DB84" ID-GBIF-Occurrence="3128566326" accessionNumber="BM 101478" box="[558,1302,1895,1921]" collectionCode="BM" pageId="27" pageNumber="28" specimenCode="MKNDC 001120" specimenCount="1" typeStatus="holotype">
Slide
<collectionCode id="ED14AE01B844FFD00218F8E723A3DB84" box="[626,672,1895,1921]" country="United Kingdom" name="Bristol Museum" pageId="27" pageNumber="28">BM</collectionCode>
101478 (
<typeStatus id="54BE8866B844FFD00364F8E72281DB84" box="[782,898,1895,1921]" pageId="27" pageNumber="28" type="holotype">Holotype</typeStatus>
). Slide
<specimenCode id="DBA39EBFB844FFD003B2F8E725A7DB84" box="[984,1188,1895,1921]" collectionCode="MKNDC" country="Macedonia" httpUri="http://grbio.org/cool/40e3-v9id" name="Institute of Biology" pageId="27" pageNumber="28" type="Herbarium">MKNDC 001120</specimenCode>
(isotype)
</materialsCitation>
.
</paragraph>
<paragraph id="8BBA36C4B844FFD700ACF83420FBDCFA" blockId="27.[151,1436,1972,2037]" lastBlockId="28.[151,1435,152,255]" lastPageId="28" lastPageNumber="29" pageId="27" pageNumber="28">
Valves broadly lanceolate, margins gradually narrowing towards head pole. Head pole slightly protracted and broadly rounded. Foot pole subprotracted and narrowly rounded to subcapitate. Valve length
<quantity id="4CFD9B21B844FFD00571F85B2494DBF0" box="[1307,1431,2011,2037]" metricMagnitude="-2" metricUnit="m" metricValue="4.2" metricValueMax="5.3" metricValueMin="3.1" pageId="27" pageNumber="28" unit="mm" value="42.0" valueMax="53.0" valueMin="31.0">3153 µm</quantity>
, valve width 9.511.0 µm. Raphe filiform with distinct central pores. Axial area narrow, linear. Central area variable in width and shape. Striae strongly radiate at valve middle becoming slightly radiate to parallel near apices,
<quantity id="4CFD9B21B843FFD70085FF652055DCFA" box="[239,342,229,255]" metricMagnitude="-1" metricUnit="m" metricValue="3.683" metricValueMax="4.318" metricValueMin="3.048" pageId="28" pageNumber="29" unit="in" value="14.5" valueMax="17.0" valueMin="12.0">1217 in</quantity>
<quantity id="4CFD9B21B843FFD70137FF6520A9DCFA" box="[349,426,229,255]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="28" pageNumber="29" unit="mm" value="10.0">10 µm</quantity>
(LM).
</paragraph>
<caption id="DF7A664CB843FFD700FDF9DD20E6DA92" ID-DOI="http://doi.org/10.5281/zenodo.4894439" ID-Zenodo-Dep="4894439" httpUri="https://zenodo.org/record/4894439/files/figure.png" pageId="28" pageNumber="29" startId="28.[151,270,1629,1653]" targetBox="[352,1233,353,1613]" targetPageId="28">
<paragraph id="8BBA36C4B843FFD700FDF9DD20E6DA92" blockId="28.[151,1435,1629,1687]" pageId="28" pageNumber="29">
<emphasis id="B971EAD6B843FFD700FDF9DD207FDA70" bold="true" box="[151,380,1629,1653]" pageId="28" pageNumber="29">FIGURES 185209:</emphasis>
LM micrographs. Figs 185198.
<taxonomicName id="4C054D47B843FFD70280F9DD2556DA71" authorityName="Levkov" authorityYear="2011" box="[746,1109,1629,1652]" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphonema" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="28" pageNumber="29" phylum="Bacillariophyta" rank="species" species="perolivaceolacuum">
<emphasis id="B971EAD6B843FFD70280F9DD2556DA71" box="[746,1109,1629,1652]" italics="true" pageId="28" pageNumber="29">Gomphonema perolivaceolacuum</emphasis>
</taxonomicName>
. Figs 199209.
<taxonomicName id="4C054D47B843FFD7056FF9DD200DDA92" authorityName="Levkov" authorityYear="2011" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphonema" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="28" pageNumber="29" phylum="Bacillariophyta" rank="species" species="linearoides">
<emphasis id="B971EAD6B843FFD7056FF9DD200DDA92" italics="true" pageId="28" pageNumber="29">Gomphonema linearoides</emphasis>
</taxonomicName>
. Scale bar = 10 µm.
</paragraph>
</caption>
<paragraph id="8BBA36C4B843FFD700ACF949222ADB7B" blockId="28.[151,1436,1737,2034]" pageId="28" pageNumber="29">
Valve face flat, transition to valve mantle gradual (
<figureCitation id="133E2A41B843FFD7035DF94922E1DAE6" box="[823,994,1737,1763]" captionStart="FIGURES 241245" captionStartId="31.[151,271,1441,1465]" captionTargetBox="[356,1230,159,1419]" captionTargetId="figure-223@31.[352,1234,159,1419]" captionTargetPageId="31" captionText="FIGURES 241245: SEM micrographs of Gomphonema perolivaceolacuum. Figs 241, 243. External view of whole valves. Fig. 242. Detail of mid-valve showing small central area, teardrop-shaped central pores and biseriate striae. Fig. 244. Detail of base pole showing distinct APF and straight distal raphe fissure. Fig. 245. Detail of head pole, showing slightly deflected distal raphe fissure. Scale bars in Figs 241, 243 = 10 µm; Figs 242, 244, 245 = 2 µm." figureDoi="http://doi.org/10.5281/zenodo.4894443" httpUri="https://zenodo.org/record/4894443/files/figure.png" pageId="28" pageNumber="29">Figs 241242</figureCitation>
). Raphe centrally located (
<figureCitation id="133E2A41B843FFD70543F94921CBDB0F" captionStart="FIGURES 241245" captionStartId="31.[151,271,1441,1465]" captionTargetBox="[356,1230,159,1419]" captionTargetId="figure-223@31.[352,1234,159,1419]" captionTargetPageId="31" captionText="FIGURES 241245: SEM micrographs of Gomphonema perolivaceolacuum. Figs 241, 243. External view of whole valves. Fig. 242. Detail of mid-valve showing small central area, teardrop-shaped central pores and biseriate striae. Fig. 244. Detail of base pole showing distinct APF and straight distal raphe fissure. Fig. 245. Detail of head pole, showing slightly deflected distal raphe fissure. Scale bars in Figs 241, 243 = 10 µm; Figs 242, 244, 245 = 2 µm." figureDoi="http://doi.org/10.5281/zenodo.4894443" httpUri="https://zenodo.org/record/4894443/files/figure.png" pageId="28" pageNumber="29">Figs 241, 243</figureCitation>
). Proximal raphe endings widened into teardrop-shaped central pores (
<figureCitation id="133E2A41B843FFD70464F9702575DB0F" box="[1038,1142,1776,1802]" captionStart="FIGURES 241245" captionStartId="31.[151,271,1441,1465]" captionTargetBox="[356,1230,159,1419]" captionTargetId="figure-223@31.[352,1234,159,1419]" captionTargetPageId="31" captionText="FIGURES 241245: SEM micrographs of Gomphonema perolivaceolacuum. Figs 241, 243. External view of whole valves. Fig. 242. Detail of mid-valve showing small central area, teardrop-shaped central pores and biseriate striae. Fig. 244. Detail of base pole showing distinct APF and straight distal raphe fissure. Fig. 245. Detail of head pole, showing slightly deflected distal raphe fissure. Scale bars in Figs 241, 243 = 10 µm; Figs 242, 244, 245 = 2 µm." figureDoi="http://doi.org/10.5281/zenodo.4894443" httpUri="https://zenodo.org/record/4894443/files/figure.png" pageId="28" pageNumber="29">Fig. 242</figureCitation>
). Distal raphe endings at head pole slightly expanded at helictoglossa, continuing as slightly curved terminal fissure passing onto the valve mantle (
<figureCitation id="133E2A41B843FFD70155F8BD20ABDB52" box="[319,424,1853,1879]" captionStart="FIGURES 241245" captionStartId="31.[151,271,1441,1465]" captionTargetBox="[356,1230,159,1419]" captionTargetId="figure-223@31.[352,1234,159,1419]" captionTargetPageId="31" captionText="FIGURES 241245: SEM micrographs of Gomphonema perolivaceolacuum. Figs 241, 243. External view of whole valves. Fig. 242. Detail of mid-valve showing small central area, teardrop-shaped central pores and biseriate striae. Fig. 244. Detail of base pole showing distinct APF and straight distal raphe fissure. Fig. 245. Detail of head pole, showing slightly deflected distal raphe fissure. Scale bars in Figs 241, 243 = 10 µm; Figs 242, 244, 245 = 2 µm." figureDoi="http://doi.org/10.5281/zenodo.4894443" httpUri="https://zenodo.org/record/4894443/files/figure.png" pageId="28" pageNumber="29">Fig. 245</figureCitation>
). Striae biseriate, composed of small round areolae. Apical pore field present on base pole, bisected by distal raphe endings (
<figureCitation id="133E2A41B843FFD70234F8E423C1DB7B" box="[606,706,1892,1918]" captionStart="FIGURES 241245" captionStartId="31.[151,271,1441,1465]" captionTargetBox="[356,1230,159,1419]" captionTargetId="figure-223@31.[352,1234,159,1419]" captionTargetPageId="31" captionText="FIGURES 241245: SEM micrographs of Gomphonema perolivaceolacuum. Figs 241, 243. External view of whole valves. Fig. 242. Detail of mid-valve showing small central area, teardrop-shaped central pores and biseriate striae. Fig. 244. Detail of base pole showing distinct APF and straight distal raphe fissure. Fig. 245. Detail of head pole, showing slightly deflected distal raphe fissure. Scale bars in Figs 241, 243 = 10 µm; Figs 242, 244, 245 = 2 µm." figureDoi="http://doi.org/10.5281/zenodo.4894443" httpUri="https://zenodo.org/record/4894443/files/figure.png" pageId="28" pageNumber="29">Fig. 244</figureCitation>
) (
<collectionCode id="ED14AE01B843FFD702B0F8E4221FDB7B" box="[730,796,1892,1918]" pageId="28" pageNumber="29">SEM</collectionCode>
).
</paragraph>
<paragraph id="8BBA36C4B843FFD600ACF80A232ADD76" blockId="28.[151,1436,1737,2034]" lastBlockId="29.[151,1436,152,371]" lastPageId="29" lastPageNumber="30" pageId="28" pageNumber="29">
<emphasis id="B971EAD6B843FFD700ACF80A206FDBA1" bold="true" box="[198,364,1930,1956]" pageId="28" pageNumber="29">Observations</emphasis>
:—
<taxonomicName id="4C054D47B843FFD701F8F80B2220DBA1" authorityName="Levkov" authorityYear="2011" box="[402,803,1931,1956]" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphonema" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="28" pageNumber="29" phylum="Bacillariophyta" rank="species" species="perolivaceolacuum">
<emphasis id="B971EAD6B843FFD701F8F80B2220DBA1" box="[402,803,1931,1956]" italics="true" pageId="28" pageNumber="29">Gomphonema perolivaceolacuum</emphasis>
</taxonomicName>
may be confused with
<taxonomicName id="4C054D47B843FFD70438F80B2432DBA1" authorityName="Lange-Bertalot &amp; Reichardt" authorityYear="2004" box="[1106,1329,1931,1956]" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphonema" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="28" pageNumber="29" phylum="Bacillariophyta" rank="species" species="olivaceolacuum">
<emphasis id="B971EAD6B843FFD70438F80B2432DBA1" box="[1106,1329,1931,1956]" italics="true" pageId="28" pageNumber="29">G. olivaceolacuum</emphasis>
</taxonomicName>
(Lange- Bertalot &amp; Reichardt) Lange-Bertalot &amp; Reichardt (=
<taxonomicName id="4C054D47B843FFD7034CF831200ADBF7" authority="Lange-Bertalot &amp; Reichardt" authorityName="Lange-Bertalot &amp; Reichardt" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphonema" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="28" pageNumber="29" phylum="Bacillariophyta" rank="variety" species="olivaceum" variety="olivaceolacuum">
<emphasis id="B971EAD6B843FFD7034CF83122C1DBCF" box="[806,962,1969,1994]" italics="true" pageId="28" pageNumber="29">G. olivaceum</emphasis>
var.
<emphasis id="B971EAD6B843FFD7046AF83125BDDBCF" box="[1024,1214,1969,1994]" italics="true" pageId="28" pageNumber="29">olivaceolacuum</emphasis>
Lange-Bertalot &amp; Reichardt
</taxonomicName>
in
<bibRefCitation id="EF944B35B843FFD70147F858232EDBF7" author="Lange-Bertalot, H." box="[301,557,2008,2034]" pageId="28" pageNumber="29" pagination="1 - 164" refId="ref20210" refString="Lange-Bertalot, H. (1993) 85 neue taxa und uber 100 weitere neu definierte Taxa erganzend zur Susswasserflora von Mitteleuropa, Vol. 2 / 1 - 4. Bibliotheca Diatomologica 27: 1 - 164." type="journal article" year="1993">Lange-Bertalot (1993</bibRefCitation>
: figs 80: 18, figs 81: 34, figs 82: 14). However, the latter has valves that have broadly rounded to truncate ends and has a different ecology.
<taxonomicName id="4C054D47B842FFD603C0FF18240CDCB4" authorityName="Lange-Bertalot &amp; Reichardt" authorityYear="2004" box="[938,1295,152,177]" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphonema" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="29" pageNumber="30" phylum="Bacillariophyta" rank="species" species="olivaceolacuum">
<emphasis id="B971EAD6B842FFD603C0FF18240CDCB4" box="[938,1295,152,177]" italics="true" pageId="29" pageNumber="30">Gomphonema olivaceolacuum</emphasis>
</taxonomicName>
is observed in meso to eutrophic lakes, while G.
<taxonomicName id="4C054D47B842FFD60217FF3F226EDCDD" authorityName="Levkov" authorityYear="2011" box="[637,877,191,216]" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphonema" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="29" pageNumber="30" phylum="Bacillariophyta" rank="species" species="perolivaceolacuum">
<emphasis id="B971EAD6B842FFD60217FF3F226EDCDD" box="[637,877,191,216]" italics="true" pageId="29" pageNumber="30">perolivaceolacuum</emphasis>
</taxonomicName>
inhabits oligotrophic waters.
<taxonomicName id="4C054D47B842FFD60484FF3F2200DCFA" authority="(Cleve) Van Heurck (1880" authorityName="Van Heurck" authorityYear="1880" baseAuthorityName="Cleve" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphonema" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="29" pageNumber="30" phylum="Bacillariophyta" rank="variety" species="olivaceum" variety="calcareum">
<emphasis id="B971EAD6B842FFD60484FF3F200CDCFB" italics="true" pageId="29" pageNumber="30">Gomphonema olivaceum</emphasis>
var.
<emphasis id="B971EAD6B842FFD60122FF6520C1DCFB" box="[328,450,229,254]" italics="true" pageId="29" pageNumber="30">calcareum</emphasis>
(Cleve)
<bibRefCitation id="EF944B35B842FFD60243FF652200DCFA" author="Van Heurck, H." box="[553,771,229,255]" pageId="29" pageNumber="30" refId="ref22268" refString="Van Heurck, H. (1880) Synopsis des Diatomees de Belgique. Atlas. Antwerp: Ducaju &amp; Cie., 10 pls." type="book" year="1880">Van Heurck (1880</bibRefCitation>
</taxonomicName>
: fig. 25: 23) is narrower (B=
<quantity id="4CFD9B21B842FFD60432FF6525B6DCFA" box="[1112,1205,229,255]" metricMagnitude="-3" metricUnit="m" metricValue="6.5" metricValueMax="8.0" metricValueMin="5.0" pageId="29" pageNumber="30" unit="mm" value="6.5" valueMax="8.0" valueMin="5.0">58 µm</quantity>
) and has a different shape at the head pole (narrowly rounded).
<taxonomicName id="4C054D47B842FFD602C9FE8C2438DD23" authority="(Cleve) Grunow" authorityName="Grunow" baseAuthorityName="Cleve" box="[675,1339,268,294]" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphonema" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="29" pageNumber="30" phylum="Bacillariophyta" rank="variety" species="olivaceum" variety="balticum">
<emphasis id="B971EAD6B842FFD602C9FE8C22CFDD20" box="[675,972,268,293]" italics="true" pageId="29" pageNumber="30">Gomphonema olivaceum</emphasis>
var.
<emphasis id="B971EAD6B842FFD60462FE8C2573DD20" box="[1032,1136,268,293]" italics="true" pageId="29" pageNumber="30">balticum</emphasis>
(Cleve) Grunow
</taxonomicName>
(in
<bibRefCitation id="EF944B35B842FFD60507FE8C2037DD49" author="Van Heurck, H." pageId="29" pageNumber="30" refId="ref22268" refString="Van Heurck, H. (1880) Synopsis des Diatomees de Belgique. Atlas. Antwerp: Ducaju &amp; Cie., 10 pls." type="book" year="1880">
<collectingRegion id="49C1F826B842FFD60507FE8C249FDD23" box="[1389,1436,268,294]" country="Turkey" name="Van" pageId="29" pageNumber="30">Van</collectingRegion>
Heurck 1880
</bibRefCitation>
: fig. 25: 24) has lanceolate valves with narrowly rounded ends and occurs in brackish waters or freshwater with high conductivity.
</paragraph>
</subSubSection>
</treatment>
</document>