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<document id="D0B5BE0BDD1285204F0AEA99363D1946" ID-DOI="10.11646/phytotaxa.347.1.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="13707999" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725591674036" checkinUser="felipe" docAuthor="Sabir, J. S. M., Theriot, E. C., Lobban, C. S., Alhebshi, A. M., Al-Malki, A. L., Hajrah, N. H., Khiyami, M. A., Obaid, A. Y., Jansen, R. K. &amp; Ashworth, M. A." docDate="2018" docId="A57F87E7FFE5EA6EFF5BFE83FC32FD6E" docLanguage="en" docName="phytotaxa.347.1.1.pdf" docOrigin="Phytotaxa 347 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.347.1.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Stricosus madanii Sabir and Theriot 2018, sp. nov." docType="treatment" docVersion="2" lastPageNumber="42" masterDocId="5946FF9FFFC2EA47FFD3FFD7FF88FFDF" masterDocTitle="Systematics of araphid diatoms with asymmetric rimoportulae or densely packed virgae, with particular attention to Hyalosynedra (Ulnariaceae, Bacillariophyta)" masterLastPageNumber="49" masterPageNumber="1" pageNumber="40" updateTime="1725603053614" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="2ABBF74CE88A3B74BC09F2A6EFF8951A">Systematics of araphid diatoms with asymmetric rimoportulae or densely packed virgae, with particular attention to Hyalosynedra (Ulnariaceae, Bacillariophyta)</mods:title>
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<mods:namePart id="24D2C59594DE471B130D9E104B59E504">Sabir, J. S. M.</mods:namePart>
<mods:affiliation id="1C99A69117F61AA7F79DAA58CF9BE5FD">Genomic and Biotechnology Research Group, Department of Biological Sciences, Faculty of Science, King Abdulaziz University (KAU), Jeddah 21589, Saudi Arabia</mods:affiliation>
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<mods:namePart id="4008D1E45D19F62CEDD910C0B480078C">Theriot, E. C.</mods:namePart>
<mods:affiliation id="A851C6901F2589C0F7F6FED34450EB60">Department of Integrative Biology, University of Texas at Austin, Austin, Texas, USA</mods:affiliation>
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<mods:namePart id="8736BE6F29208774DEC4D1483ACABE3B">Lobban, C. S.</mods:namePart>
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<mods:namePart id="95007FE86E798E2155B90B1985834794">Alhebshi, A. M.</mods:namePart>
<mods:affiliation id="A56DC317E8F635BBA94F48EACACEA80F">Genomic and Biotechnology Research Group, Department of Biological Sciences, Faculty of Science, King Abdulaziz University (KAU), Jeddah 21589, Saudi Arabia</mods:affiliation>
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<mods:namePart id="74B3990859F0E5C326262010A0417A0A">Al-Malki, A. L.</mods:namePart>
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<mods:namePart id="730794C32FC105C43962046CEE109274">Hajrah, N. H.</mods:namePart>
<mods:affiliation id="1CDE2D3600F7084FD89213CC3498EAF4">Genomic and Biotechnology Research Group, Department of Biological Sciences, Faculty of Science, King Abdulaziz University (KAU), Jeddah 21589, Saudi Arabia</mods:affiliation>
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<mods:affiliation id="0E09FD79536326D6E64DA8DA4139089B">King Abdulaziz City for Science and Technology, Riyadh 11442, Saudi Arabia.</mods:affiliation>
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<mods:date id="387EC811376E7971411DF8177B88D78B">2018</mods:date>
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<taxonomicName id="EAD64D72FFE5EA60FF5BFE83FDBCFEB2" authority="Sabir and Theriot" authorityName="Sabir and Theriot" authorityYear="2018" box="[136,564,340,365]" class="Bacillariophyceae" family="Ulnariaceae" genus="Stricosus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Licmophorales" pageId="39" pageNumber="40" phylum="Ochrophyta" rank="species" species="madanii" status="sp. nov.">
<emphasis id="1FA2EAE3FFE5EA60FF5BFE83FED0FEB2" bold="true" box="[136,344,340,365]" italics="true" pageId="39" pageNumber="40">Stricosus madanii</emphasis>
Sabir and Theriot
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(
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)
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<materialsCitation id="9DBE3CACFFE5EA60FF5BFEADFE3EFE50" box="[136,438,378,399]" collectionCode="ANSP" pageId="39" pageNumber="40" specimenCount="1" typeStatus="holotype">
<emphasis id="1FA2EAE3FFE5EA60FF5BFEADFF6DFE50" bold="true" box="[136,229,378,399]" pageId="39" pageNumber="40">
<typeStatus id="F26D8853FFE5EA60FF5BFEADFF6DFE50" box="[136,229,378,399]" pageId="39" pageNumber="40" type="holotype">Holotype</typeStatus>
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:
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<collectionCode id="4BC7AE34FFE5EA60FED7FEADFEC8FE50" box="[260,320,378,399]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="39" pageNumber="40">ANSP</collectionCode>
G.C. 38101
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<emphasis id="1FA2EAE3FFE5EA60FF5BFE49FF52FE6C" bold="true" box="[136,218,414,435]" pageId="39" pageNumber="40">
<typeStatus id="F26D8853FFE5EA60FF5BFE49FF5EFE6C" box="[136,214,414,435]" pageId="39" pageNumber="40" type="isotype">Isotype</typeStatus>
:
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<collectionCode id="4BC7AE34FFE5EA60FF20FE49FECBFE6C" box="[243,323,414,435]" pageId="39" pageNumber="40">UTKSA</collectionCode>
0065
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<paragraph id="2D6936F1FFE5EA60FF5BFE15FBDBFE08" blockId="39.[136,1451,340,543]" box="[136,1107,450,471]" pageId="39" pageNumber="40">
<emphasis id="1FA2EAE3FFE5EA60FF5BFE15FE9BFE08" bold="true" box="[136,275,450,471]" pageId="39" pageNumber="40">Type locality:</emphasis>
—Obhur near Jeddah,
<collectingRegion id="EF12F813FFE5EA60FE3FFE15FD11FE08" box="[492,665,450,471]" country="Saudi Arabia" name="Makkah" pageId="39" pageNumber="40">Makkah Province</collectingRegion>
,
<collectingCountry id="55C17661FFE5EA60FD71FE15FC96FE08" box="[674,798,450,471]" name="Saudi Arabia" pageId="39" pageNumber="40">Saudi Arabia</collectingCountry>
(
<geoCoordinate id="48E25036FFE5EA60FCFFFE15FC3EFE08" box="[812,950,450,471]" degrees="21" direction="north" minutes="43.535" orientation="latitude" pageId="39" pageNumber="40" precision="1" value="21.725584">21° 43.535 N</geoCoordinate>
,
<geoCoordinate id="48E25036FFE5EA60FC13FE15FBC0FE08" box="[960,1096,450,471]" degrees="39" direction="east" minutes="06.949" orientation="longitude" pageId="39" pageNumber="40" precision="1" value="39.115818">39° 06.949 E</geoCoordinate>
).
</paragraph>
<paragraph id="2D6936F1FFE5EA60FF5BFE31FB7BFDC0" blockId="39.[136,1451,340,543]" pageId="39" pageNumber="40">
<emphasis id="1FA2EAE3FFE5EA60FF5BFE31FEBBFE24" bold="true" box="[136,307,486,507]" pageId="39" pageNumber="40">Material studied</emphasis>
: Wild and cultured (
<collectionCode id="4BC7AE34FFE5EA60FE28FE31FDC6FE24" box="[507,590,486,507]" pageId="39" pageNumber="40">UTKSA</collectionCode>
0065,
<collectingCountry id="55C17661FFE5EA60FD5AFE31FD32FE24" box="[649,698,486,507]" name="Saudi Arabia" pageId="39" pageNumber="40">KSA</collectingCountry>
0171) material isolated from
<typeStatus id="F26D8853FFE5EA60FC06FE31FC76FE24" box="[981,1022,486,507]" pageId="39" pageNumber="40">type</typeStatus>
locality:
<collectionCode id="4BC7AE34FFE5EA60FB89FE31FBF2FE24" box="[1114,1146,486,507]" country="France" name="Museum national d'Histoire Naturelle, Laboratiore de Paleontologie" pageId="39" pageNumber="40">SA</collectionCode>
29, sediment collected from the submerged rocky bottom at the Obhur area of Jeddah,
<collectingCountry id="55C17661FFE5EA60FD1BFDDDFC36FDC0" box="[712,958,522,543]" name="Saudi Arabia" pageId="39" pageNumber="40">Kingdom of Saudi Arabia</collectingCountry>
(
<geoCoordinate id="48E25036FFE5EA60FC1FFDDDFBDEFDC0" box="[972,1110,522,543]" degrees="21" direction="north" minutes="43.535" orientation="latitude" pageId="39" pageNumber="40" precision="1" value="21.725584">21° 43.535 N</geoCoordinate>
,
<geoCoordinate id="48E25036FFE5EA60FBB3FDDDFB60FDC0" box="[1120,1256,522,543]" degrees="39" direction="east" minutes="06.949" orientation="longitude" pageId="39" pageNumber="40" precision="1" value="39.115818">39° 06.949 E</geoCoordinate>
).
</paragraph>
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<caption id="79A96679FFE5EA60FF5BF814FF37F7FF" ID-DOI="http://doi.org/10.5281/zenodo.13708075" ID-Zenodo-Dep="13708075" httpUri="https://zenodo.org/record/13708075/files/figure.png" pageId="39" pageNumber="40" startId="39.[136,243,1987,2008]" targetBox="[177,1410,569,1955]" targetPageId="39" targetType="figure">
<paragraph id="2D6936F1FFE5EA60FF5BF814FF37F7FF" blockId="39.[136,1452,1987,2080]" pageId="39" pageNumber="40">
<emphasis id="1FA2EAE3FFE5EA60FF5BF814FEDAF807" bold="true" box="[136,338,1987,2008]" pageId="39" pageNumber="40">FIGURES 104107.</emphasis>
<taxonomicName id="EAD64D72FFE5EA60FE84F814FD8BF807" authorityName="Sabir and Theriot" authorityYear="2018" box="[343,515,1987,2008]" class="Bacillariophyceae" family="Ulnariaceae" genus="Stricosus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Licmophorales" pageId="39" pageNumber="40" phylum="Ochrophyta" rank="species" species="madanii">
<emphasis id="1FA2EAE3FFE5EA60FE84F814FD8BF807" box="[343,515,1987,2008]" italics="true" pageId="39" pageNumber="40">Stricosus madanii</emphasis>
</taxonomicName>
from wild (SA29) material showing range in variation in shape. 104. Large specimen with parallel linear sides. 105. Large specimen with concave sides. 106. Small specimen with parallel linear sides. 107. Small specimen with concave sides.
</paragraph>
</caption>
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<paragraph id="2D6936F1FFEAEA6FFF5BF81EFADBF7F9" blockId="40.[136,1451,1993,2086]" pageId="40" pageNumber="41">
<emphasis id="1FA2EAE3FFEAEA6FFF5BF81EFED9F801" bold="true" box="[136,337,1993,2014]" pageId="40" pageNumber="41">FIGURES 108111.</emphasis>
<taxonomicName id="EAD64D72FFEAEA6FFE8AF81EFD8FF801" authorityName="Sabir and Theriot" authorityYear="2018" box="[345,519,1993,2014]" class="Bacillariophyceae" family="Ulnariaceae" genus="Stricosus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Licmophorales" pageId="40" pageNumber="41" phylum="Ochrophyta" rank="species" species="madanii">
<emphasis id="1FA2EAE3FFEAEA6FFE8AF81EFD8FF801" box="[345,519,1993,2014]" italics="true" pageId="40" pageNumber="41">Stricosus madanii</emphasis>
</taxonomicName>
from cultured material (KSA0171). 108. Disassociated frustule showing interior of valve (top), unornamented girdle bands (middle) and exterior of valve (bottom). 109. Detail of apex of valve and associated girdle bands. 110. Interior of specimen with more strongly converging margin at apex. 111. Interior detail of specimen with less strongly converging apex.
</paragraph>
</caption>
<subSubSection id="65CC657AFFEBEA6EFF5BFF77FE40FDFE" pageId="41" pageNumber="42" type="description">
<paragraph id="2D6936F1FFEBEA6EFF5BFF77FE40FDFE" blockId="41.[136,1452,160,689]" pageId="41" pageNumber="42">
<emphasis id="1FA2EAE3FFEBEA6EFF5BFF77FE94FF66" bold="true" box="[136,284,160,185]" pageId="41" pageNumber="42">Description:</emphasis>
—Valves of this robustly shaped species were observed to be 51.9137.4 μm long and 6.19.2 μm wide. Sides were parallel for much of the valve length for most valves; a few valves were even slightly concave in the middle, widening towards the poles (
<figureCitation id="B5ED2A74FFEBEA6EFE1CFF3FFDE7FEDE" box="[463,623,232,257]" captionStart-0="FIGURES 104107" captionStart-1="FIGURES 108111" captionStartId-0="39.[136,243,1987,2008]" captionStartId-1="40.[136,243,1993,2014]" captionTargetBox-0="[177,1410,569,1955]" captionTargetBox-1="[189,1398,190,1953]" captionTargetId-0="figure-139@39.[177,1411,569,1961]" captionTargetId-1="figure-15@40.[189,1398,190,1968]" captionTargetPageId-0="39" captionTargetPageId-1="40" captionText-0="FIGURES 104107. Stricosus madanii from wild (SA29) material showing range in variation in shape. 104. Large specimen with parallel linear sides. 105. Large specimen with concave sides. 106. Small specimen with parallel linear sides. 107. Small specimen with concave sides." captionText-1="FIGURES 108111. Stricosus madanii from cultured material (KSA0171). 108. Disassociated frustule showing interior of valve (top), unornamented girdle bands (middle) and exterior of valve (bottom). 109. Detail of apex of valve and associated girdle bands. 110. Interior of specimen with more strongly converging margin at apex. 111. Interior detail of specimen with less strongly converging apex." figureDoi-0="http://doi.org/10.5281/zenodo.13708075" figureDoi-1="http://doi.org/10.5281/zenodo.13708077" httpUri-0="https://zenodo.org/record/13708075/files/figure.png" httpUri-1="https://zenodo.org/record/13708077/files/figure.png" pageId="41" pageNumber="42">Figs 104108</figureCitation>
). Margins became slightly convex towards the apices and converged to a rounded end. Apices were never observed to be capitate. The sternum was prominent but evenly thin along the length of the valve (
<figureCitation id="B5ED2A74FFEBEA6EFECFFEE7FE33FE96" box="[284,443,304,329]" captionStart="FIGURES 104107" captionStartId="39.[136,243,1987,2008]" captionTargetBox="[177,1410,569,1955]" captionTargetId="figure-139@39.[177,1411,569,1961]" captionTargetPageId="39" captionText="FIGURES 104107. Stricosus madanii from wild (SA29) material showing range in variation in shape. 104. Large specimen with parallel linear sides. 105. Large specimen with concave sides. 106. Small specimen with parallel linear sides. 107. Small specimen with concave sides." figureDoi="http://doi.org/10.5281/zenodo.13708075" httpUri="https://zenodo.org/record/13708075/files/figure.png" pageId="41" pageNumber="42">Figs 104107</figureCitation>
). Virga spacing was visible in the LM, more prominently than on the valves of most other species, and was measured at
<quantity id="EA2E9B14FFEBEA6EFE0EFE83FDC9FEB2" box="[477,577,340,365]" metricMagnitude="0" metricUnit="m" metricValue="1.0541" metricValueMax="1.0922" metricValueMin="1.016" pageId="41" pageNumber="42" unit="in" value="41.5" valueMax="43.0" valueMin="40.0">4043 in</quantity>
10 μm. The deeply sunken ocellulimbi were 614 pores wide and 68 pores tall, and overhung by 13 spines (
<figureCitation id="B5ED2A74FFEBEA6EFDCBFEAFFDF6FE4E" box="[536,638,376,401]" captionStart="FIGURES 108111" captionStartId="40.[136,243,1993,2014]" captionTargetBox="[189,1398,190,1953]" captionTargetId="figure-15@40.[189,1398,190,1968]" captionTargetPageId="40" captionText="FIGURES 108111. Stricosus madanii from cultured material (KSA0171). 108. Disassociated frustule showing interior of valve (top), unornamented girdle bands (middle) and exterior of valve (bottom). 109. Detail of apex of valve and associated girdle bands. 110. Interior of specimen with more strongly converging margin at apex. 111. Interior detail of specimen with less strongly converging apex." figureDoi="http://doi.org/10.5281/zenodo.13708077" httpUri="https://zenodo.org/record/13708077/files/figure.png" pageId="41" pageNumber="42">Fig. 109</figureCitation>
). The specimens had a rimoportula at each pole with unusual internal morphology. The covers bordering the aperture were elongated and oblique to the transapical axis, but the slit and covers were sinuous (
<figureCitation id="B5ED2A74FFEBEA6EFEAAFE17FD9CFE06" box="[377,532,448,473]" captionStart="FIGURES 108111" captionStartId="40.[136,243,1993,2014]" captionTargetBox="[189,1398,190,1953]" captionTargetId="figure-15@40.[189,1398,190,1968]" captionTargetPageId="40" captionText="FIGURES 108111. Stricosus madanii from cultured material (KSA0171). 108. Disassociated frustule showing interior of valve (top), unornamented girdle bands (middle) and exterior of valve (bottom). 109. Detail of apex of valve and associated girdle bands. 110. Interior of specimen with more strongly converging margin at apex. 111. Interior detail of specimen with less strongly converging apex." figureDoi="http://doi.org/10.5281/zenodo.13708077" httpUri="https://zenodo.org/record/13708077/files/figure.png" pageId="41" pageNumber="42">Figs 110, 111</figureCitation>
). The external rimoportula pores were about 1.62.4 μm from the end of the valve (
<figureCitation id="B5ED2A74FFEBEA6EFF43FE33FF7BFE22" box="[144,243,484,509]" captionStart="FIGURES 108111" captionStartId="40.[136,243,1993,2014]" captionTargetBox="[189,1398,190,1953]" captionTargetId="figure-15@40.[189,1398,190,1968]" captionTargetPageId="40" captionText="FIGURES 108111. Stricosus madanii from cultured material (KSA0171). 108. Disassociated frustule showing interior of valve (top), unornamented girdle bands (middle) and exterior of valve (bottom). 109. Detail of apex of valve and associated girdle bands. 110. Interior of specimen with more strongly converging margin at apex. 111. Interior detail of specimen with less strongly converging apex." figureDoi="http://doi.org/10.5281/zenodo.13708077" httpUri="https://zenodo.org/record/13708077/files/figure.png" pageId="41" pageNumber="42">Fig. 109</figureCitation>
). Striae were biseriate and walls were bilayered, again with a single pore internally. Girdle bands were open and without pores (
<figureCitation id="B5ED2A74FFEBEA6EFE8CFDDFFE33FDFE" box="[351,443,520,545]" captionStart="FIGURES 108111" captionStartId="40.[136,243,1993,2014]" captionTargetBox="[189,1398,190,1953]" captionTargetId="figure-15@40.[189,1398,190,1968]" captionTargetPageId="40" captionText="FIGURES 108111. Stricosus madanii from cultured material (KSA0171). 108. Disassociated frustule showing interior of valve (top), unornamented girdle bands (middle) and exterior of valve (bottom). 109. Detail of apex of valve and associated girdle bands. 110. Interior of specimen with more strongly converging margin at apex. 111. Interior detail of specimen with less strongly converging apex." figureDoi="http://doi.org/10.5281/zenodo.13708077" httpUri="https://zenodo.org/record/13708077/files/figure.png" pageId="41" pageNumber="42">Fig 109</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="65CC657AFFEBEA6EFF6EFDFBFA20FDB6" pageId="41" pageNumber="42" type="discussion">
<paragraph id="2D6936F1FFEBEA6EFF6EFDFBFA20FDB6" blockId="41.[136,1452,160,689]" pageId="41" pageNumber="42">
<emphasis id="1FA2EAE3FFEBEA6EFF6EFDFBFEBCFD9A" bold="true" box="[189,308,556,581]" pageId="41" pageNumber="42">Remarks:</emphasis>
—Unlike other the species studied here,
<taxonomicName id="EAD64D72FFEBEA6EFD2DFDFBFCFFFD9A" authorityName="Sabir and Theriot" authorityYear="2018" box="[766,887,556,581]" class="Bacillariophyceae" family="Ulnariaceae" genus="Stricosus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Licmophorales" pageId="41" pageNumber="42" phylum="Ochrophyta" rank="species" species="madanii">
<emphasis id="1FA2EAE3FFEBEA6EFD2DFDFBFCFFFD9A" box="[766,887,556,581]" italics="true" pageId="41" pageNumber="42">S. madanii</emphasis>
</taxonomicName>
has a very distinct outline and robust appearance, and was relatively wide for its length. The sinuous rimoportula lips and slit were also unique among diatoms studied.
</paragraph>
</subSubSection>
<subSubSection id="65CC657AFFEBEA6EFF6EFDA3FC32FD6E" pageId="41" pageNumber="42" type="etymology">
<paragraph id="2D6936F1FFEBEA6EFF6EFDA3FC32FD6E" blockId="41.[136,1452,160,689]" pageId="41" pageNumber="42">
<emphasis id="1FA2EAE3FFEBEA6EFF6EFDA3FEC0FD52" bold="true" box="[189,328,628,653]" pageId="41" pageNumber="42">Etymology:</emphasis>
—Named in honor of Prof. Dr. Ghazi Obaid Madani, Former President of King Abdulaziz University (KAU), Jeddah,
<collectingCountry id="55C17661FFEBEA6EFE92FD4FFE5DFD6E" box="[321,469,664,689]" name="Saudi Arabia" pageId="41" pageNumber="42">Saudi Arabia</collectingCountry>
, for his contributions to scientific research.
</paragraph>
</subSubSection>
</treatment>
</document>