treatments-xml/data/05/2A/87/052A8797FFCEF34D61E7F999A0F3F976.xml

<document ID-DOI="10.5252/cryptogamie-algologie2022v43a11" ID-GBIF-Dataset="6ba8e48f-61ff-4be6-bd00-f92ffb7a798e" ID-ISSN="1776-0992" ID-Zenodo-Dep="7829344" IM.bibliography_approvedBy="tatiana" IM.illustrations_approvedBy="tatiana" IM.materialsCitations_approvedBy="tatiana" IM.tables_requiresApprovalFor="existingObjects" IM.taxonomicNames_approvedBy="tatiana" IM.treatments_approvedBy="tatiana" checkinTime="1681243251592" checkinUser="felipe" docAuthor="Kezlya, Elena, Glushchenko, Anton, Kociolek, John Patrick, Maltsev, Yevhen, Genkal, Sergey &amp; Kulikovskiy, Maxim" docDate="2022" docId="052A8797FFCEF34D61E7F999A0F3F976" docLanguage="en" docName="CryptogamieAlgologie.43.11.177-188.pdf" docOrigin="Cryptogamie, Bryologie 20 (11)" docSource="http://dx.doi.org/10.5252/cryptogamie-algologie2022v43a11" docStyle="DocumentStyle:C31C23F805CBAD2BB1C6021F66949308.1:CryptogamieAlgologie.2019-.journal_article" docStyleId="C31C23F805CBAD2BB1C6021F66949308" docStyleName="CryptogamieAlgologie.2019-.journal_article" docStyleVersion="1" docTitle="Placoneis asymmetricus Glushchenko, Kezlya, Asie du Sud-Est, Kulikovskiy &amp; Kociolek 2022, sp. nov." docType="treatment" docVersion="4" lastPageNumber="181" masterDocId="F913FFEFFFCBF34B6217FFCCA30DFF9A" masterDocTitle="A new species of Placoneis Mereschkowsky (Bacillariophyceae: Cymbellales) from wet soils in southern Vietnam" masterLastPageNumber="188" masterPageNumber="177" pageNumber="180" updateTime="1681492286834" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A new species of Placoneis Mereschkowsky (Bacillariophyceae: Cymbellales) from wet soils in southern Vietnam</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Kezlya, Elena</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Glushchenko, Anton</mods:namePart>
<mods:affiliation>К. А. Timiryazev Institute of Plant Physiology RAS, IPP RAS, 35 Botanicheskaya St., Moscow, 127276 (Russia)</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Kociolek, John Patrick</mods:namePart>
<mods:affiliation>Museum of Natural History, 15 and Broadway, Boulder, Colorado, 80309 (United States) and Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, 80309 (United States)</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Maltsev, Yevhen</mods:namePart>
<mods:affiliation>К. А. Timiryazev Institute of Plant Physiology RAS, IPP RAS, 35 Botanicheskaya St., Moscow, 127276 (Russia)</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Genkal, Sergey</mods:namePart>
<mods:affiliation>Papanin Institute for Biology of Inland Waters RAS, IBIW RAS, Borok, Yaroslavl Region, 152742 (Russia)</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Kulikovskiy, Maxim</mods:namePart>
<mods:affiliation>К. А. Timiryazev Institute of Plant Physiology RAS, IPP RAS, 35 Botanicheskaya St., Moscow, 127276 (Russia) max-kulikovsky @ yandex. ru (corresponding author)</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>Cryptogamie, Bryologie</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-10-13</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>20</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>11</mods:number>
</mods:detail>
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<mods:start>177</mods:start>
<mods:end>188</mods:end>
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<mods:url>http://dx.doi.org/10.5252/cryptogamie-algologie2022v43a11</mods:url>
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<mods:classification>journal article</mods:classification>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.7819448" ID-Zenodo-Dep="7819448" LSID="urn:lsid:plazi:treatment:052A8797FFCEF34D61E7F999A0F3F976" httpUri="http://treatment.plazi.org/id/052A8797FFCEF34D61E7F999A0F3F976" lastPageId="6" lastPageNumber="181" pageId="5" pageNumber="180">
<subSubSection pageId="5" pageNumber="180" type="nomenclature">
<paragraph blockId="5.[832,1436,1621,1680]" pageId="5" pageNumber="180">
<heading centered="true" fontSize="11" level="2" pageId="5" pageNumber="180" reason="4">
<taxonomicName authority="Glushchenko, Kezlya, Kulikovskiy &amp; Kociolek" authorityName="Glushchenko, Kezlya, Asie du Sud-Est, Kulikovskiy &amp; Kociolek" authorityYear="2022" class="Bacillariophyceae" family="Naviculaceae" genus="Placoneis" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="180" phylum="Ochrophyta" rank="species" species="asymmetricus" status="sp. nov.">
<emphasis bold="true" box="[1008,1260,1621,1648]" italics="true" pageId="5" pageNumber="180">Placoneis asymmetricus</emphasis>
Glushchenko, Kezlya, Kulikovskiy &amp; Kociolek
</taxonomicName>
, 
<taxonomicNameLabel box="[1351,1436,1654,1680]" pageId="5" pageNumber="180" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection box="[1081,1187,1685,1712]" pageId="5" pageNumber="180" type="description">
<paragraph blockId="5.[1081,1187,1685,1712]" box="[1081,1187,1685,1712]" pageId="5" pageNumber="180">
<heading box="[1081,1187,1685,1712]" centered="true" fontSize="11" level="3" pageId="5" pageNumber="180" reason="3">
(
<figureCitation box="[1088,1178,1685,1712]" captionStart-0="FIG" captionStart-1="FIG" captionStart-2="FIG" captionStartId-0="6.[132,143,1018,1036]" captionStartId-1="7.[132,143,1476,1494]" captionStartId-2="7.[813,824,1392,1410]" captionTargetBox-0="[132,1455,215,973]" captionTargetBox-1="[132,775,215,1431]" captionTargetBox-2="[813,1455,215,1347]" captionTargetId-0="figure-541@6.[698,1267,213,784]" captionTargetId-1="figure-300@7.[131,684,775,1339]" captionTargetId-2="figure-314@7.[811,1364,780,1348]" captionTargetPageId-0="6" captionTargetPageId-1="7" captionTargetPageId-2="7" captionText-0="FIG. 2. — Placoneis asymmetricus Glushchenko, Kezlya, Kulikovskiy &amp; Kociolek, sp. nov.: A-I, live cells with chloroplast structure; J-S, cleaned cells from strain VP57, slide no. 06728; T-Z, valves from a natural sample, slide no. 07219; A-E, J-Z, valve face; F-I, girdle views. P represents the holotype. Scale bar: 10 μm." captionText-1="FIG. 3. — SEM external views of Placoneis asymmetricus Glushchenko,Kezlya, Kulikovskiy &amp; Kociolek, sp. nov. (strain VP57): A, entire valve; B, detail, central area; C, valve apex. Scale bars: A, 2 μm; B, C, 1 μm." captionText-2="FIG. 4. — SEM internal views of Placoneis asymmetricus Glushchenko,Kezlya, Kulikovskiy &amp; Kociolek, sp. nov. (strain VP57): A, entire valve; B, detail, central area; C, valve apex. Scale bars: A, 2 μm; B, 1 μm; C, 0.5 μm." figureDoi-0="http://doi.org/10.5281/zenodo.7829346" figureDoi-1="http://doi.org/10.5281/zenodo.7829350" figureDoi-2="http://doi.org/10.5281/zenodo.7829348" httpUri-0="https://zenodo.org/record/7829346/files/figure.png" httpUri-1="https://zenodo.org/record/7829350/files/figure.png" httpUri-2="https://zenodo.org/record/7829348/files/figure.png" pageId="5" pageNumber="180">Figs 2-4</figureCitation>
)
</heading>
</paragraph>
</subSubSection>
<subSubSection lastPageId="6" lastPageNumber="181" pageId="5" pageNumber="180" type="materials_examined">
<paragraph blockId="5.[811,1457,1743,1926]" pageId="5" pageNumber="180">
<materialsCitation collectingDate="2019-06-03" collectionCode="VP" collectorName="E. S. Gusev &amp; E. M. Kezlya" country="Vietnam" county="Russian Academy of Science" latitude="11.434889" location="Nai Province" longLatPrecision="1" longitude="107.42911" municipality="Institute of Plant Physiology" pageId="5" pageNumber="180" specimenCode="VP57" specimenCount="1" typeStatus="holotype">
<typeStatus box="[813,919,1743,1766]" pageId="5" pageNumber="180">HOLOTYPE</typeStatus>
. — 
<emphasis bold="true" box="[966,1052,1744,1768]" pageId="5" pageNumber="180">
<collectingCountry box="[966,1052,1744,1768]" name="Vietnam" pageId="5" pageNumber="180">Vietnam</collectingCountry>
</emphasis>
. Đồng 
<location LSID="urn:lsid:plazi:treatment:052A8797FFCEF34D61E7F999A0F3F976:885C605AFFCEF34E667CF903A7E3F97D" box="[1131,1262,1743,1767]" country="Vietnam" county="Russian Academy of Science" latitude="11.434889" longLatPrecision="1" longitude="107.42911" municipality="Institute of Plant Physiology" name="Nai Province" pageId="5" pageNumber="180">Nai Province</location>
, 
<location LSID="urn:lsid:plazi:treatment:052A8797FFCEF34D61E7F999A0F3F976:885C605AFFCEF34E66EEF903A053F89B" country="Vietnam" county="Russian Academy of Science" latitude="11.434889" longLatPrecision="1" longitude="107.42911" municipality="Institute of Plant Physiology" name="Cat Tien National Park" pageId="5" pageNumber="180">Cát Tiên National Park</location>
, from soil sampled at Đồng 
<location LSID="urn:lsid:plazi:treatment:052A8797FFCEF34D61E7F999A0F3F976:885C605AFFCEF34E6690F925A7A1F89B" box="[1159,1196,1769,1793]" country="Vietnam" county="Russian Academy of Science" latitude="11.434889" longLatPrecision="1" longitude="107.42911" municipality="Institute of Plant Physiology" name="Nai" pageId="5" pageNumber="180">Nai</location>
riverside, 
<geoCoordinate box="[1307,1453,1769,1793]" degrees="11" direction="north" minutes="26" orientation="latitude" pageId="5" pageNumber="180" precision="1" seconds="05.6" value="11.434889">11°26’05.6”N</geoCoordinate>
, 
<geoCoordinate box="[813,965,1796,1820]" degrees="107" direction="east" minutes="25" orientation="longitude" pageId="5" pageNumber="180" precision="1" seconds="44.8" value="107.42911">107°25’44.8”E</geoCoordinate>
, 
<date box="[980,1102,1796,1820]" pageId="5" pageNumber="180" value="2019-06-03">
<collectingDate box="[980,1102,1796,1820]" pageId="5" pageNumber="180" value="2019-06-03">03.VI.2019</collectingDate>
</date>
, 
<collectorName box="[1115,1228,1796,1820]" pageId="5" pageNumber="180">E.S. Gusev</collectorName>
&amp; 
<collectorName box="[1266,1397,1796,1820]" pageId="5" pageNumber="180">E.M. Kezlya</collectorName>
, slide no. 06728 (oxidized material of cultured strain 
<specimenCode box="[1279,1340,1822,1846]" collectionCode="VP" pageId="5" pageNumber="180">VP57</specimenCode>
). 
<collectorName box="[1357,1457,1822,1846]" pageId="5" pageNumber="180">Deposited</collectorName>
in the collection of 
<collectorName box="[1011,1206,1849,1873]" pageId="5" pageNumber="180">Maxim Kulikovskiy</collectorName>
at the 
<collectorName box="[1279,1389,1849,1873]" pageId="5" pageNumber="180">Herbarium</collectorName>
of the 
<collectingMunicipality box="[814,1084,1875,1899]" pageId="5" pageNumber="180">Institute of Plant Physiology</collectingMunicipality>
, 
<collectingCounty box="[1093,1363,1875,1899]" pageId="5" pageNumber="180">Russian Academy of Science</collectingCounty>
, 
<collectorName box="[1371,1453,1876,1899]" pageId="5" pageNumber="180">Moscow</collectorName>
, 
<collectorName box="[811,873,1902,1926]" pageId="5" pageNumber="180">Russia</collectorName>
(
<figureCitation box="[889,962,1902,1926]" captionStart="FIG" captionStartId="6.[132,143,1018,1036]" captionTargetBox="[132,1455,215,973]" captionTargetId="figure-541@6.[698,1267,213,784]" captionTargetPageId="6" captionText="FIG. 2. — Placoneis asymmetricus Glushchenko, Kezlya, Kulikovskiy &amp; Kociolek, sp. nov.: A-I, live cells with chloroplast structure; J-S, cleaned cells from strain VP57, slide no. 06728; T-Z, valves from a natural sample, slide no. 07219; A-E, J-Z, valve face; F-I, girdle views. P represents the holotype. Scale bar: 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7829346" httpUri="https://zenodo.org/record/7829346/files/figure.png" pageId="5" pageNumber="180">Fig. 2P</figureCitation>
).
</materialsCitation>
</paragraph>
<paragraph blockId="5.[811,1455,1950,2027]" pageId="5" pageNumber="180">
ISOTYPE. — Same data as 
<typeStatus box="[1061,1149,1950,1974]" pageId="5" pageNumber="180">holotype</typeStatus>
, slide no. 06728a. Deposited in the collection of the Main Botanical Garden of the Russian Academy of Science, 
<collectingRegion box="[922,1005,2003,2026]" country="Russia" name="Moscow" pageId="5" pageNumber="180">Moscow</collectingRegion>
, 
<collectingCountry box="[1015,1077,2003,2027]" name="Russia" pageId="5" pageNumber="180">Russia</collectingCountry>
(
<collectionCode box="[1090,1154,2003,2027]" country="Russia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15585" lsid="urn:lsid:biocol.org:col:15585" name="Main Botanical Garden of the Russian Academy of Sciences" pageId="5" pageNumber="180" type="Herbarium">MHA</collectionCode>
).
</paragraph>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7829346" ID-Zenodo-Dep="7829346" httpUri="https://zenodo.org/record/7829346/files/figure.png" pageId="6" pageNumber="181" startId="6.[132,143,1018,1036]" targetBox="[132,1455,215,973]" targetPageId="6" targetType="figure">
<paragraph blockId="6.[132,1455,1018,1059]" pageId="6" pageNumber="181">
FIG. 2. — 
<taxonomicName authority="Glushchenko, Kezlya, Kulikovskiy &amp; Kociolek" authorityName="Glushchenko, Kezlya, Asie du Sud-Est, Kulikovskiy &amp; Kociolek" authorityYear="2022" box="[212,795,1018,1036]" class="Bacillariophyceae" family="Naviculaceae" genus="Placoneis" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="181" phylum="Ochrophyta" rank="species" species="asymmetricus" status="sp. nov.">
<emphasis box="[212,413,1018,1036]" italics="true" pageId="6" pageNumber="181">Placoneis asymmetricus</emphasis>
Glushchenko, Kezlya, Kulikovskiy &amp; Kociolek
</taxonomicName>
, 
<taxonomicNameLabel box="[802,872,1018,1036]" pageId="6" pageNumber="181" rank="species">sp. nov.</taxonomicNameLabel>
: 
<emphasis bold="true" box="[878,904,1018,1036]" pageId="6" pageNumber="181">A -I</emphasis>
, live cells with chloroplast structure; 
<emphasis bold="true" box="[1212,1241,1018,1036]" pageId="6" pageNumber="181">J -S</emphasis>
, cleaned cells from strain VP57, slide no. 06728; 
<emphasis bold="true" box="[325,355,1041,1059]" pageId="6" pageNumber="181">T -Z</emphasis>
, valves from a natural sample, slide no. 07219; 
<emphasis bold="true" box="[752,784,1041,1059]" pageId="6" pageNumber="181">A -E</emphasis>
, 
<emphasis bold="true" box="[795,824,1041,1059]" pageId="6" pageNumber="181">J -Z</emphasis>
, valve face; 
<emphasis bold="true" box="[929,953,1041,1059]" pageId="6" pageNumber="181">F -I</emphasis>
, girdle views. 
<emphasis bold="true" box="[1072,1084,1041,1059]" pageId="6" pageNumber="181">P</emphasis>
represents the holotype. Scale bar: 10 μm.
</paragraph>
</caption>
<paragraph blockId="6.[131,775,1109,1160]" pageId="6" pageNumber="181">
<collectionCode box="[132,274,1109,1132]" pageId="6" pageNumber="181">TYPE LOCALITY</collectionCode>
. — 
<emphasis bold="true" box="[313,398,1110,1134]" pageId="6" pageNumber="181">
<collectingCountry box="[313,398,1110,1134]" name="Vietnam" pageId="6" pageNumber="181">Vietnam</collectingCountry>
</emphasis>
. Đồng Nai Province, Cát Tiên National Park, Đồng Nai riverside, 
<geoCoordinate box="[388,529,1134,1158]" degrees="11" direction="north" minutes="26" orientation="latitude" pageId="6" pageNumber="181" precision="1" seconds="05.6" value="11.434889">11°26’05.6”N</geoCoordinate>
, 
<geoCoordinate box="[539,686,1134,1158]" degrees="107" direction="east" minutes="25" orientation="longitude" pageId="6" pageNumber="181" precision="1" seconds="44.8" value="107.42911">107°25’44.8”E</geoCoordinate>
.
</paragraph>
<paragraph blockId="6.[131,775,1183,1233]" pageId="6" pageNumber="181">ETYMOLOGY. — The specific epithet refers to the typical asymmetry of the valves of this species.</paragraph>
<paragraph blockId="6.[130,775,1256,1333]" pageId="6" pageNumber="181">
<collectionCode box="[132,291,1256,1280]" pageId="6" pageNumber="181">SEQUENCE DATA</collectionCode>
. — Nuclear-encoded 
<collectionCode box="[504,548,1256,1280]" country="0" httpUri="http://grbio.org/cool/fye2-vfes" name="Saratov State University" pageId="6" pageNumber="181">SSU</collectionCode>
rDNA partial sequence (GenBank accession: 
<collectionCode box="[328,374,1283,1307]" country="Netherlands" name="Museum Wasmann" pageId="6" pageNumber="181">MW</collectionCode>
979509), plastid gene 
<emphasis box="[579,607,1283,1307]" italics="true" pageId="6" pageNumber="181">rbc</emphasis>
L partial sequence (GenBank accession: 
<collectionCode box="[341,388,1309,1333]" country="Netherlands" name="Museum Wasmann" pageId="6" pageNumber="181">MW</collectionCode>
987572).
</paragraph>
</subSubSection>
<subSubSection box="[132,720,1357,1381]" pageId="6" pageNumber="181" type="distribution">
<paragraph blockId="6.[132,720,1357,1381]" box="[132,720,1357,1381]" pageId="6" pageNumber="181">
DISTRIBUTION. — So far only known from the 
<typeStatus box="[596,638,1357,1381]" pageId="6" pageNumber="181">type</typeStatus>
locality.
</paragraph>
</subSubSection>
<subSubSection pageId="6" pageNumber="181" type="description">
<paragraph blockId="6.[132,277,1428,1454]" box="[132,277,1428,1454]" pageId="6" pageNumber="181">
<heading box="[132,277,1428,1454]" fontSize="9" level="3" pageId="6" pageNumber="181" reason="5">DESCRIPTION</heading>
</paragraph>
<paragraph blockId="6.[131,777,1459,2028]" box="[132,258,1459,1485]" pageId="6" pageNumber="181">
<heading box="[132,258,1459,1485]" fontSize="11" level="3" pageId="6" pageNumber="181" reason="9">
<emphasis box="[132,258,1459,1485]" italics="true" pageId="6" pageNumber="181">
LM (
<figureCitation box="[188,249,1459,1485]" captionStart="FIG" captionStartId="6.[132,143,1018,1036]" captionTargetBox="[132,1455,215,973]" captionTargetId="figure-541@6.[698,1267,213,784]" captionTargetPageId="6" captionText="FIG. 2. — Placoneis asymmetricus Glushchenko, Kezlya, Kulikovskiy &amp; Kociolek, sp. nov.: A-I, live cells with chloroplast structure; J-S, cleaned cells from strain VP57, slide no. 06728; T-Z, valves from a natural sample, slide no. 07219; A-E, J-Z, valve face; F-I, girdle views. P represents the holotype. Scale bar: 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7829346" httpUri="https://zenodo.org/record/7829346/files/figure.png" pageId="6" pageNumber="181">Fig. 2</figureCitation>
)
</emphasis>
</heading>
</paragraph>
<paragraph blockId="6.[131,777,1459,2028]" lastBlockId="6.[811,1455,1108,1198]" pageId="6" pageNumber="181">
Cells solitary, rectangular in girdle view, with a single chloroplast with medially positioned centre and lobes beneath both valves (
<figureCitation box="[276,342,1554,1581]" captionStart="FIG" captionStartId="6.[132,143,1018,1036]" captionTargetBox="[132,1455,215,973]" captionTargetId="figure-541@6.[698,1267,213,784]" captionTargetPageId="6" captionText="FIG. 2. — Placoneis asymmetricus Glushchenko, Kezlya, Kulikovskiy &amp; Kociolek, sp. nov.: A-I, live cells with chloroplast structure; J-S, cleaned cells from strain VP57, slide no. 06728; T-Z, valves from a natural sample, slide no. 07219; A-E, J-Z, valve face; F-I, girdle views. P represents the holotype. Scale bar: 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7829346" httpUri="https://zenodo.org/record/7829346/files/figure.png" pageId="6" pageNumber="181">Fig. 2</figureCitation>
A-I). Chloroplasts share the characteristic organization typical for the genus (
<bibRefCitation author="MERESCHKOWSKY C." pageId="6" pageNumber="181" pagination="1 - 30" refId="ref10861" refString="MERESCHKOWSKY C. 1903. - Uber Placoneis, ein neues Diatomeen- Genus. Beihefte zum Botanischen Centralblatt 15 (1): 1 - 30." type="journal article" year="1903">Mereschkowsky 1903</bibRefCitation>
; 
<bibRefCitation author="COX E. J." box="[207,321,1618,1644]" pageId="6" pageNumber="181" pagination="145 - 157" refId="ref9123" refString="COX E. J. 1987. - Placoneis Mereschkowsky: the re-evaluation of a diatom genus originally characterized by its chloroplast type. Diatom Research 2 (2): 145 - 157. https: // doi. org / 10.1080 / 0269 249 X. 1987.9704994" type="journal article" year="1987">Cox 1987</bibRefCitation>
, 
<bibRefCitation author="COX E. J." box="[338,396,1618,1644]" pageId="6" pageNumber="181" pagination="53 - 83" refId="ref9172" refString="COX E. J. 2003. - Placoneis Mereschkowsky revisited: resolution of several typification and nomenclatural problems, including the generitype. Botanical Journal of the Linnean Society 141 (1): 53 - 83. https: // doi. org / 10.1046 / j. 1095 - 8339.2003.00115. x" type="journal article" year="2003">2003</bibRefCitation>
). The chloroplast is single, large, and extends along the inner surface of the cell. The central column (isthmus) is offset to one side from the central axis and forms a slight bend. Libroplast is missing or represented by only one granule (
<figureCitation box="[370,485,1746,1772]" captionStart="FIG" captionStartId="6.[132,143,1018,1036]" captionTargetBox="[132,1455,215,973]" captionTargetId="figure-541@6.[698,1267,213,784]" captionTargetPageId="6" captionText="FIG. 2. — Placoneis asymmetricus Glushchenko, Kezlya, Kulikovskiy &amp; Kociolek, sp. nov.: A-I, live cells with chloroplast structure; J-S, cleaned cells from strain VP57, slide no. 06728; T-Z, valves from a natural sample, slide no. 07219; A-E, J-Z, valve face; F-I, girdle views. P represents the holotype. Scale bar: 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7829346" httpUri="https://zenodo.org/record/7829346/files/figure.png" pageId="6" pageNumber="181">Fig. 2A, F</figureCitation>
). The chloroplast has four irregular outgrowths (similar to petals) extending from the isthmus. Valve are linear-elliptical, slightly asymmetric along the longitudinal axis (
<figureCitation box="[367,429,1841,1868]" captionStart="FIG" captionStartId="6.[132,143,1018,1036]" captionTargetBox="[132,1455,215,973]" captionTargetId="figure-541@6.[698,1267,213,784]" captionTargetPageId="6" captionText="FIG. 2. — Placoneis asymmetricus Glushchenko, Kezlya, Kulikovskiy &amp; Kociolek, sp. nov.: A-I, live cells with chloroplast structure; J-S, cleaned cells from strain VP57, slide no. 06728; T-Z, valves from a natural sample, slide no. 07219; A-E, J-Z, valve face; F-I, girdle views. P represents the holotype. Scale bar: 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7829346" httpUri="https://zenodo.org/record/7829346/files/figure.png" pageId="6" pageNumber="181">Fig. 2</figureCitation>
J-Z). Apices are bluntly rostrate, often asymmetric, breadth 1.3-2.0 µm. Valve length 10.3- 15.4 µm, valve width 6.0-6.8 µm. Axial area narrow, almost linear, very slightly wided towards the valve middle. Central area is absent. Raphe filiform, straight, central pores are small. The structure of distal raphe ends not discernible in the LM. Striae radiate, 
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10 µm, in the valve middle 2-3 irregularly shortened striae are present on each side. Areolae not resolvable in LM.
</paragraph>
<paragraph blockId="6.[813,1103,1236,1262]" box="[813,1103,1236,1262]" pageId="6" pageNumber="181">
<heading box="[813,1103,1236,1262]" fontSize="11" level="3" pageId="6" pageNumber="181" reason="9">
<emphasis box="[813,1103,1236,1262]" italics="true" pageId="6" pageNumber="181">
SEM external views (
<figureCitation box="[1033,1094,1236,1262]" captionStart="FIG" captionStartId="7.[132,143,1476,1494]" captionTargetBox="[132,775,215,1431]" captionTargetId="figure-300@7.[131,684,775,1339]" captionTargetPageId="7" captionText="FIG. 3. — SEM external views of Placoneis asymmetricus Glushchenko,Kezlya, Kulikovskiy &amp; Kociolek, sp. nov. (strain VP57): A, entire valve; B, detail, central area; C, valve apex. Scale bars: A, 2 μm; B, C, 1 μm." figureDoi="http://doi.org/10.5281/zenodo.7829350" httpUri="https://zenodo.org/record/7829350/files/figure.png" pageId="6" pageNumber="181">Fig. 3</figureCitation>
)
</emphasis>
</heading>
</paragraph>
<paragraph blockId="6.[813,1455,1267,1454]" pageId="6" pageNumber="181">
Valve face is flat. Raphe narrow, linear (
<figureCitation box="[1252,1338,1267,1294]" captionStart="FIG" captionStartId="7.[132,143,1476,1494]" captionTargetBox="[132,775,215,1431]" captionTargetId="figure-300@7.[131,684,775,1339]" captionTargetPageId="7" captionText="FIG. 3. — SEM external views of Placoneis asymmetricus Glushchenko,Kezlya, Kulikovskiy &amp; Kociolek, sp. nov. (strain VP57): A, entire valve; B, detail, central area; C, valve apex. Scale bars: A, 2 μm; B, C, 1 μm." figureDoi="http://doi.org/10.5281/zenodo.7829350" httpUri="https://zenodo.org/record/7829350/files/figure.png" pageId="6" pageNumber="181">Fig. 3A</figureCitation>
). Proximal raphe ends straight, small, slightly expanded (
<figureCitation box="[1306,1388,1299,1326]" captionStart="FIG" captionStartId="7.[132,143,1476,1494]" captionTargetBox="[132,775,215,1431]" captionTargetId="figure-300@7.[131,684,775,1339]" captionTargetPageId="7" captionText="FIG. 3. — SEM external views of Placoneis asymmetricus Glushchenko,Kezlya, Kulikovskiy &amp; Kociolek, sp. nov. (strain VP57): A, entire valve; B, detail, central area; C, valve apex. Scale bars: A, 2 μm; B, C, 1 μm." figureDoi="http://doi.org/10.5281/zenodo.7829350" httpUri="https://zenodo.org/record/7829350/files/figure.png" pageId="6" pageNumber="181">Fig. 3B</figureCitation>
). Distal raphe ends hook-shaped, extending to the valve mantle and unilaterally bent (
<figureCitation box="[1053,1170,1363,1389]" captionStart="FIG" captionStartId="7.[132,143,1476,1494]" captionTargetBox="[132,775,215,1431]" captionTargetId="figure-300@7.[131,684,775,1339]" captionTargetPageId="7" captionText="FIG. 3. — SEM external views of Placoneis asymmetricus Glushchenko,Kezlya, Kulikovskiy &amp; Kociolek, sp. nov. (strain VP57): A, entire valve; B, detail, central area; C, valve apex. Scale bars: A, 2 μm; B, C, 1 μm." figureDoi="http://doi.org/10.5281/zenodo.7829350" httpUri="https://zenodo.org/record/7829350/files/figure.png" pageId="6" pageNumber="181">Fig. 3A, C</figureCitation>
). Striae composed of 3-11 rounded or weakly elongated areolae, continuing onto the valve mantle. Areolae 
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10 µm. Stigma is absent.
</paragraph>
<paragraph blockId="6.[813,1104,1491,1517]" box="[813,1104,1491,1517]" pageId="6" pageNumber="181">
<heading box="[813,1104,1491,1517]" fontSize="11" level="3" pageId="6" pageNumber="181" reason="9">
<emphasis box="[813,1104,1491,1517]" italics="true" pageId="6" pageNumber="181">
SEM internal views (
<figureCitation box="[1034,1095,1491,1517]" captionStart="FIG" captionStartId="7.[813,824,1392,1410]" captionTargetBox="[813,1455,215,1347]" captionTargetId="figure-314@7.[811,1364,780,1348]" captionTargetPageId="7" captionText="FIG. 4. — SEM internal views of Placoneis asymmetricus Glushchenko,Kezlya, Kulikovskiy &amp; Kociolek, sp. nov. (strain VP57): A, entire valve; B, detail, central area; C, valve apex. Scale bars: A, 2 μm; B, 1 μm; C, 0.5 μm." figureDoi="http://doi.org/10.5281/zenodo.7829348" httpUri="https://zenodo.org/record/7829348/files/figure.png" pageId="6" pageNumber="181">Fig. 4</figureCitation>
)
</emphasis>
</heading>
</paragraph>
<paragraph blockId="6.[811,1457,1523,1772]" pageId="6" pageNumber="181">
The raphe is straight (
<figureCitation box="[1067,1157,1523,1549]" captionStart="FIG" captionStartId="7.[813,824,1392,1410]" captionTargetBox="[813,1455,215,1347]" captionTargetId="figure-314@7.[811,1364,780,1348]" captionTargetPageId="7" captionText="FIG. 4. — SEM internal views of Placoneis asymmetricus Glushchenko,Kezlya, Kulikovskiy &amp; Kociolek, sp. nov. (strain VP57): A, entire valve; B, detail, central area; C, valve apex. Scale bars: A, 2 μm; B, 1 μm; C, 0.5 μm." figureDoi="http://doi.org/10.5281/zenodo.7829348" httpUri="https://zenodo.org/record/7829348/files/figure.png" pageId="6" pageNumber="181">Fig. 4A</figureCitation>
). Proximal raphe ends are hooked-shaped and deflected to one side (
<figureCitation box="[1283,1368,1554,1581]" captionStart="FIG" captionStartId="7.[813,824,1392,1410]" captionTargetBox="[813,1455,215,1347]" captionTargetId="figure-314@7.[811,1364,780,1348]" captionTargetPageId="7" captionText="FIG. 4. — SEM internal views of Placoneis asymmetricus Glushchenko,Kezlya, Kulikovskiy &amp; Kociolek, sp. nov. (strain VP57): A, entire valve; B, detail, central area; C, valve apex. Scale bars: A, 2 μm; B, 1 μm; C, 0.5 μm." figureDoi="http://doi.org/10.5281/zenodo.7829348" httpUri="https://zenodo.org/record/7829348/files/figure.png" pageId="6" pageNumber="181">Fig. 4B</figureCitation>
). Distal ends terminating on small helictoglossae and may be slightly deflected to opposite sides (
<figureCitation box="[1116,1234,1618,1645]" captionStart="FIG" captionStartId="7.[813,824,1392,1410]" captionTargetBox="[813,1455,215,1347]" captionTargetId="figure-314@7.[811,1364,780,1348]" captionTargetPageId="7" captionText="FIG. 4. — SEM internal views of Placoneis asymmetricus Glushchenko,Kezlya, Kulikovskiy &amp; Kociolek, sp. nov. (strain VP57): A, entire valve; B, detail, central area; C, valve apex. Scale bars: A, 2 μm; B, 1 μm; C, 0.5 μm." figureDoi="http://doi.org/10.5281/zenodo.7829348" httpUri="https://zenodo.org/record/7829348/files/figure.png" pageId="6" pageNumber="181">Fig. 4A, C</figureCitation>
). The striae are bordered by broad interstriae (virgae) (
<figureCitation box="[1197,1282,1650,1676]" captionStart="FIG" captionStartId="7.[813,824,1392,1410]" captionTargetBox="[813,1455,215,1347]" captionTargetId="figure-314@7.[811,1364,780,1348]" captionTargetPageId="7" captionText="FIG. 4. — SEM internal views of Placoneis asymmetricus Glushchenko,Kezlya, Kulikovskiy &amp; Kociolek, sp. nov. (strain VP57): A, entire valve; B, detail, central area; C, valve apex. Scale bars: A, 2 μm; B, 1 μm; C, 0.5 μm." figureDoi="http://doi.org/10.5281/zenodo.7829348" httpUri="https://zenodo.org/record/7829348/files/figure.png" pageId="6" pageNumber="181">Fig. 4C</figureCitation>
). Areolae small, square or round.Two isolated areolae are present at the apices (
<figureCitation box="[822,907,1714,1740]" captionStart="FIG" captionStartId="7.[813,824,1392,1410]" captionTargetBox="[813,1455,215,1347]" captionTargetId="figure-314@7.[811,1364,780,1348]" captionTargetPageId="7" captionText="FIG. 4. — SEM internal views of Placoneis asymmetricus Glushchenko,Kezlya, Kulikovskiy &amp; Kociolek, sp. nov. (strain VP57): A, entire valve; B, detail, central area; C, valve apex. Scale bars: A, 2 μm; B, 1 μm; C, 0.5 μm." figureDoi="http://doi.org/10.5281/zenodo.7829348" httpUri="https://zenodo.org/record/7829348/files/figure.png" pageId="6" pageNumber="181">Fig. 4C</figureCitation>
). Volate occlusions were not preserved during the material treatment.
</paragraph>
</subSubSection>
</treatment>
</document>