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<document id="9EAD78CB0E7660AB1B97A9A6C009F04B" ID-DOI="10.11646/phytotaxa.345.3.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="13708555" 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.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725593001619" checkinUser="felipe" docAuthor="Acosta-Calderón, Julio Adulfo, Hernández-Rodríguez, César, Mendoza-González, Ángela Catalina &amp; Mateo-Cid, Luz Elena" docDate="2018" docId="2415879BFFDFFF80FF1C077507D19824" docLanguage="en" docName="phytotaxa.345.3.1.pdf" docOrigin="Phytotaxa 345 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.345.3.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Udotea dotyi D. S. Littler &amp; M. M. Littler 1990" docType="treatment" docVersion="2" lastPageNumber="199" masterDocId="D82CFFE3FFCBFF94FF94060306789D1D" masterDocTitle="Diversity and distribution of Udotea genus J. V. Lamouroux (Chlorophyta, Udoteaceae) in the Yucatan peninsula littoral, Mexico" masterLastPageNumber="218" masterPageNumber="179" pageNumber="199" updateTime="1725604391108" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="5D31CCF1AD1027EBC665A6F28E5B8264">Diversity and distribution of Udotea genus J. V. Lamouroux (Chlorophyta, Udoteaceae) in the Yucatan peninsula littoral, Mexico</mods:title>
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<mods:namePart id="BE54EF2E293EA1B5D58365FB0E99590A">Hernández-Rodríguez, César</mods:namePart>
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<subSubSection id="E4A66506FFDFFF80FF1C077504B09C8C" box="[136,712,374,401]" pageId="20" pageNumber="199" type="nomenclature">
<paragraph id="AC03368DFFDFFF80FF1C077504B09C8C" blockId="20.[136,712,374,401]" box="[136,712,374,401]" pageId="20" pageNumber="199">
<heading id="F74B81E1FFDFFF80FF1C077504B09C8C" box="[136,712,374,401]" fontSize="11" level="2" pageId="20" pageNumber="199" reason="3">
<treatmentCitationGroup id="8CAC11A3FFDFFF80FF1C077504B09C8C" box="[136,712,374,401]" pageId="20" pageNumber="199">
<treatmentCitation id="2D1D109CFFDFFF80FF1C077504B09C8C" author="Littler, D. S. &amp; Littler, M. M." box="[136,712,374,401]" page="223" pageId="20" pageNumber="199" year="1990">
<taxonomicName id="6BBC4D0EFFDFFF80FF1C077504B09C8C" authority="D. S. Littler &amp; M. M. Littler 1990: 223" authorityName="D. S. Littler &amp; M. M. Littler" authorityPageNumber="223" authorityYear="1990" box="[136,712,374,401]" class="Ulvophyceae" family="Udoteaceae" genus="Udotea" kingdom="Plantae" order="Bryopsidales" pageId="20" pageNumber="199" phylum="Chlorophyta" rank="species" species="dotyi">
<emphasis id="9EC8EA9FFFDFFF80FF1C077507629C8C" bold="true" box="[136,282,374,401]" italics="true" pageId="20" pageNumber="199">Udotea dotyi</emphasis>
D.S. Littler &amp; M.M.
<bibRefCitation id="C82D4B7CFFDFFF80FD9E077B04B09C8C" author="Littler, D. S. &amp; Littler, M. M." box="[522,712,376,401]" pageId="20" pageNumber="199" pagination="206 - 252" refId="ref23809" refString="Littler, D. S. &amp; Littler, M. M. (1990) Systematics of Udotea (Bryopsidales, Chlorophyta) in the tropical western Atlantic. Phycologia 29: 206 - 252. https: // doi. org / 10.2216 / i 0031 - 8884 - 29 - 2 - 206.1" type="journal article" year="1990">Littler 1990: 223</bibRefCitation>
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</paragraph>
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<subSubSection id="E4A66506FFDFFF80FF1C07C307D19824" pageId="20" pageNumber="199" type="materials_examined">
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<typeStatus id="7307882FFFDFFF80FF1C07C306B89CC4" box="[136,192,448,473]" pageId="20" pageNumber="199">Type</typeStatus>
Locality:—
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. Lesser Antilles, Tobago Cays.
</paragraph>
<paragraph id="AC03368DFFDFFF80FF2907E7026B9F74" blockId="20.[136,1452,448,1337]" pageId="20" pageNumber="199">
<emphasis id="9EC8EA9FFFDFFF80FF2907E7073F9CE0" box="[189,327,484,509]" italics="true" pageId="20" pageNumber="199">Morphology</emphasis>
:
<emphasis id="9EC8EA9FFFDFFF80FEC407E707149CE0" bold="true" box="[336,364,484,509]" pageId="20" pageNumber="199"></emphasis>
Thalli to
<quantity id="6B449B68FFDFFF80FE4E07E7045A9CE0" box="[474,546,484,509]" metricMagnitude="-1" metricUnit="m" metricValue="1.1" pageId="20" pageNumber="199" unit="cm" value="11.0">11 cm</quantity>
tall, anchored to the substrata by a bulbous mass of rhizoids. Stipe flattened and robust,
<quantity id="6B449B68FFDFFF80FE84040B07069F3C" box="[272,382,520,545]" metricMagnitude="-2" metricUnit="m" metricValue="1.05" metricValueMax="1.3" metricValueMin="0.8" pageId="20" pageNumber="199" unit="mm" value="10.5" valueMax="13.0" valueMin="8.0">813 mm</quantity>
length,
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diameter, there is no differentiation between the stipe and blade. Blade fan-shaped, occasionally lobed, green, slightly longer (
<quantity id="6B449B68FFDFFF80FD53042F05559F58" box="[711,813,556,581]" metricMagnitude="-2" metricUnit="m" metricValue="8.5" metricValueMax="10.0" metricValueMin="7.0" pageId="20" pageNumber="199" unit="cm" value="8.5" valueMax="10.0" valueMin="7.0">710 cm</quantity>
) than wider (
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), lower margin ovate or truncate, multistratose, corticate, heavily calcified, and faint concentric zonation (Fig. 41).
</paragraph>
<paragraph id="AC03368DFFDFFF80FF29047706899E00" blockId="20.[136,1452,448,1337]" pageId="20" pageNumber="199">
<emphasis id="9EC8EA9FFFDFFF80FF29047707599F90" box="[189,289,628,653]" italics="true" pageId="20" pageNumber="199">Anatomy</emphasis>
:—Blade siphons with lateral appendages, 2040 μm in diameter, densely covered by two opposite rows of short lateral appendages (Fig. 42) with irregular flat apices, blade appendages peduncle 1530 μm in diameter, 60120 μm length (
<figureCitation id="34872A08FFDFFF80FEF704BF07CF9FC8" box="[355,439,700,725]" captionStart="FIGURES 4344" captionStartId="21.[136,243,1929,1950]" captionTargetBox="[180,1401,219,1876]" captionTargetId="figure-14@21.[151,1436,190,1905]" captionTargetPageId="21" captionText="FIGURES 4344. U. dotyi. 43) blade lateral appendages, 44) stipe lateral appendages. FIGURES 4549. U. fibrosa. 4546) external morphology, 47) blade siphons, 48) detail of the supradichotomic constriction of the blade siphon, 49) stipe lateral appendages. FIGURES 5051. U. flabellum. 5051) external morphology." figureDoi="http://doi.org/10.5281/zenodo.13708577" httpUri="https://zenodo.org/record/13708577/files/figure.png" pageId="20" pageNumber="199">Fig. 43</figureCitation>
). Stipe siphons adjacent to lateral appendages 4070 μm in diameter, appendages peduncle 150300 μm length, 2040 μm in diameter. Appendages branched twice, terminating in numerous blunt rounded tips (
<figureCitation id="34872A08FFDFFF80FF040507069D9E00" box="[144,229,772,797]" captionStart="FIGURES 4344" captionStartId="21.[136,243,1929,1950]" captionTargetBox="[180,1401,219,1876]" captionTargetId="figure-14@21.[151,1436,190,1905]" captionTargetPageId="21" captionText="FIGURES 4344. U. dotyi. 43) blade lateral appendages, 44) stipe lateral appendages. FIGURES 4549. U. fibrosa. 4546) external morphology, 47) blade siphons, 48) detail of the supradichotomic constriction of the blade siphon, 49) stipe lateral appendages. FIGURES 5051. U. flabellum. 5051) external morphology." figureDoi="http://doi.org/10.5281/zenodo.13708577" httpUri="https://zenodo.org/record/13708577/files/figure.png" pageId="20" pageNumber="199">Fig. 44</figureCitation>
).
</paragraph>
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<emphasis id="9EC8EA9FFFDFFF80FF29052B07269E5C" box="[189,350,808,833]" italics="true" pageId="20" pageNumber="199">Reproduction:</emphasis>
<emphasis id="9EC8EA9FFFDFFF80FECA052B07029E5C" bold="true" box="[350,378,808,833]" pageId="20" pageNumber="199"></emphasis>
The terminal portions of the blade siphons are transformed into sexual reproductive organs named gametangia.
</paragraph>
<paragraph id="AC03368DFFDFFF80FF29057304B69ECC" blockId="20.[136,1452,448,1337]" pageId="20" pageNumber="199">
<emphasis id="9EC8EA9FFFDFFF80FF29057307EC9E94" box="[189,404,880,905]" italics="true" pageId="20" pageNumber="199">Material examined</emphasis>
:
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<collectingCountry id="D4AB761DFFDFFF80FE2C0573045E9E94" box="[440,550,880,905]" name="Mexico" pageId="20" pageNumber="199">MEXICO</collectingCountry>
.
<collectingRegion id="6E78F86FFFDFFF80FDAC057304A19E94" box="[568,729,880,905]" country="Mexico" name="Quintana Roo" pageId="20" pageNumber="199">Quintana Roo</collectingRegion>
, Uvero,
<date id="D802104DFFDFFF80FCAB057305A59E94" box="[831,989,880,905]" pageId="20" pageNumber="199" value="2010-06-20">20 June 2010</date>
,
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.
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. Acosta Calderón,
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.
<collectionCode id="CAADAE48FFDFFF80FA9C057303649E94" box="[1288,1308,880,905]" country="United Kingdom" lsid="urn:lsid:biocol.org:col:15670" name="Royal Botanic Garden Edinburgh" pageId="20" pageNumber="199" type="Herbarium">E</collectionCode>
. Mateo Cid,
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.
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. Mendoza González,
<collectionCode id="CAADAE48FFDFFF80FE20059707879EB0" box="[436,511,916,941]" country="Mexico" httpUri="http://grbio.org/cool/1x45-fdpe" name="Universidad de Autonoma de Baja California" pageId="20" pageNumber="199">ENCB</collectionCode>
23133.
<collectingCountry id="D4AB761DFFDFFF80FDF4059704AA9EB0" box="[608,722,916,941]" name="Mexico" pageId="20" pageNumber="199">MEXICO</collectingCountry>
.
<collectingRegion id="6E78F86FFFDFFF80FD4B059705209EB0" box="[735,856,916,941]" country="Mexico" name="Campeche" pageId="20" pageNumber="199">Campeche</collectingRegion>
, Xpicob,
<date id="D802104DFFDFFF80FC5E059702109EB0" box="[970,1128,916,941]" pageId="20" pageNumber="199" value="2016-06-25">25 June 2016</date>
,
<collectionCode id="CAADAE48FFDFFF80FBE2059702FB9EB0" box="[1142,1155,916,941]" country="South Africa" lsid="urn:lsid:biocol.org:col:14647" name="University of the Witwatersrand" pageId="20" pageNumber="199" type="Herbarium">J</collectionCode>
.
<collectionCode id="CAADAE48FFDFFF80FB13059702E79EB0" box="[1159,1183,916,941]" country="USA" lsid="urn:lsid:biocol.org:col:15406" name="Harvard University - Arnold Arboretum" pageId="20" pageNumber="199" type="Herbarium">A</collectionCode>
. Acosta Calderón,
<collectionCode id="CAADAE48FFDFFF80FAEF059703F79EB0" box="[1403,1423,916,941]" country="Netherlands" lsid="urn:lsid:biocol.org:col:15678" name="Nationaal Herbarium Nederland, Leiden University branch" pageId="20" pageNumber="199" type="Herbarium">L</collectionCode>
.
<collectionCode id="CAADAE48FFDFFF80FA07059703DF9EB0" box="[1427,1447,916,941]" country="United Kingdom" lsid="urn:lsid:biocol.org:col:15670" name="Royal Botanic Garden Edinburgh" pageId="20" pageNumber="199" type="Herbarium">E</collectionCode>
. Mateo Cid,
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.
<collectionCode id="CAADAE48FFDFFF80FEB305BB07449ECC" box="[295,316,952,977]" country="Denmark" name="University of Copenhagen" pageId="20" pageNumber="199" type="Herbarium">C</collectionCode>
. Mendoza González,
<collectionCode id="CAADAE48FFDFFF80FDBA05BB04019ECC" box="[558,633,952,977]" country="Mexico" httpUri="http://grbio.org/cool/1x45-fdpe" name="Universidad de Autonoma de Baja California" pageId="20" pageNumber="199">ENCB</collectionCode>
23132.
</paragraph>
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<emphasis id="9EC8EA9FFFDFFF80FF2905DF07AE9EE8" box="[189,470,988,1013]" italics="true" pageId="20" pageNumber="199">Geographic distribution:</emphasis>
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<collectingCountry id="D4AB761DFFDFFF80FE6605DF041A9EE8" box="[498,610,988,1013]" name="Honduras" pageId="20" pageNumber="199">Honduras</collectingCountry>
,
<collectingCountry id="D4AB761DFFDFFF80FDF905DF04B19EE8" box="[621,713,988,1013]" name="Panama" pageId="20" pageNumber="199">Panama</collectingCountry>
,
<collectingCountry id="D4AB761DFFDFFF80FD4005DF056A9EE8" box="[724,786,988,1013]" name="Cuba" pageId="20" pageNumber="199">Cuba</collectingCountry>
,
<collectingCountry id="D4AB761DFFDFFF80FC8905DF05209EE8" box="[797,856,988,1013]" name="Haiti" pageId="20" pageNumber="199">Haiti</collectingCountry>
, Lesser Antilles,
<collectingCountry id="D4AB761DFFDFFF80FB8C05DF02D89EE8" box="[1048,1184,988,1013]" name="Puerto Rico" pageId="20" pageNumber="199">Puerto Rico</collectingCountry>
,
<collectingCountry id="D4AB761DFFDFFF80FB3F05DF037C9EE8" box="[1195,1284,988,1013]" name="Mexico" pageId="20" pageNumber="199">Mexico</collectingCountry>
.
</paragraph>
<paragraph id="AC03368DFFDFFF80FF29020305069904" blockId="20.[136,1452,448,1337]" box="[189,894,1024,1049]" pageId="20" pageNumber="199">
<emphasis id="9EC8EA9FFFDFFF80FF290203076B9904" box="[189,275,1024,1049]" italics="true" pageId="20" pageNumber="199">Habitat</emphasis>
:
<emphasis id="9EC8EA9FFFDFFF80FE8F0203074F9904" bold="true" box="[283,311,1024,1049]" pageId="20" pageNumber="199"></emphasis>
Sandy bottom with sea grass. Subtidal to
<quantity id="6B449B68FFDFFF80FC92020305499904" box="[774,817,1024,1049]" metricMagnitude="0" metricUnit="m" metricValue="3.0" pageId="20" pageNumber="199" unit="m" value="3.0">3 m</quantity>
depth.
</paragraph>
<paragraph id="AC03368DFFDFFF80FF29022707D19824" blockId="20.[136,1452,448,1337]" pageId="20" pageNumber="199">
<emphasis id="9EC8EA9FFFDFFF80FF290227074B9920" box="[189,307,1060,1085]" italics="true" pageId="20" pageNumber="199">Comments</emphasis>
:—
<taxonomicName id="6BBC4D0EFFDFFF80FEC3022707909920" authorityName="D. S. Littler &amp; M. M. Littler" authorityYear="1990" box="[343,488,1060,1085]" class="Ulvophyceae" family="Udoteaceae" genus="Udotea" kingdom="Plantae" order="Bryopsidales" pageId="20" pageNumber="199" phylum="Chlorophyta" rank="species" species="dotyi">
<emphasis id="9EC8EA9FFFDFFF80FEC3022707909920" box="[343,488,1060,1085]" italics="true" pageId="20" pageNumber="199">Udotea dotyi</emphasis>
</taxonomicName>
can be confused with
<taxonomicName id="6BBC4D0EFFDFFF80FD4A022705129920" box="[734,874,1060,1085]" class="Ulvophyceae" family="Udoteaceae" genus="Udotea" kingdom="Plantae" order="Bryopsidales" pageId="20" pageNumber="199" phylum="Chlorophyta" rank="species" species="flabellum">
<emphasis id="9EC8EA9FFFDFFF80FD4A022705129920" box="[734,874,1060,1085]" italics="true" pageId="20" pageNumber="199">U. flabellum</emphasis>
</taxonomicName>
because both possess a corticated fan-shaped blade, but the arrangement and shape of the blades lateral appendages are clearly different between these species. On the other hand,
<taxonomicName id="6BBC4D0EFFDFFF80FE9B026F07129998" authorityName="D. S. Littler &amp; M. M. Littler" authorityYear="1990" box="[271,362,1132,1157]" class="Ulvophyceae" family="Udoteaceae" genus="Udotea" kingdom="Plantae" order="Bryopsidales" pageId="20" pageNumber="199" phylum="Chlorophyta" rank="species" species="dotyi">
<emphasis id="9EC8EA9FFFDFFF80FE9B026F07129998" box="[271,362,1132,1157]" italics="true" pageId="20" pageNumber="199">U. dotyi</emphasis>
</taxonomicName>
and
<taxonomicName id="6BBC4D0EFFDFFF80FE36026F046B9998" box="[418,531,1132,1157]" class="Ulvophyceae" family="Udoteaceae" genus="Udotea" kingdom="Plantae" order="Bryopsidales" pageId="20" pageNumber="199" phylum="Chlorophyta" rank="species" species="dixonii">
<emphasis id="9EC8EA9FFFDFFF80FE36026F046B9998" box="[418,531,1132,1157]" italics="true" pageId="20" pageNumber="199">U. dixonii</emphasis>
</taxonomicName>
possess blade siphons covered with two rows of lateral appendages, nevertheless the shape of the blades lateral appendages is different. The shape of the blade and stipe appendages agrees with those described by
<bibRefCitation id="C82D4B7CFFDFFF80FE8902B7045999D0" author="Littler, D. S. &amp; Littler, M. M." box="[285,545,1204,1229]" pageId="20" pageNumber="199" pagination="206 - 252" refId="ref23809" refString="Littler, D. S. &amp; Littler, M. M. (1990) Systematics of Udotea (Bryopsidales, Chlorophyta) in the tropical western Atlantic. Phycologia 29: 206 - 252. https: // doi. org / 10.2216 / i 0031 - 8884 - 29 - 2 - 206.1" type="journal article" year="1990">Littler &amp; Littler (1990)</bibRefCitation>
. The diameter of blade and stipe siphons is less than those recorded in specimens from
<collectingCountry id="D4AB761DFFDFFF80FF5302DB068799EC" box="[199,255,1240,1265]" name="Haiti" pageId="20" pageNumber="199">Haiti</collectingCountry>
and
<collectingCountry id="D4AB761DFFDFFF80FEAE02DB07DF99EC" box="[314,423,1240,1265]" name="Honduras" pageId="20" pageNumber="199">Honduras</collectingCountry>
(
<bibRefCitation id="C82D4B7CFFDFFF80FE2302DB04C999EC" author="Littler, D. S. &amp; Littler, M. M." box="[439,689,1240,1265]" pageId="20" pageNumber="199" pagination="206 - 252" refId="ref23809" refString="Littler, D. S. &amp; Littler, M. M. (1990) Systematics of Udotea (Bryopsidales, Chlorophyta) in the tropical western Atlantic. Phycologia 29: 206 - 252. https: // doi. org / 10.2216 / i 0031 - 8884 - 29 - 2 - 206.1" type="journal article" year="1990">Littler &amp; Littler 1990</bibRefCitation>
), buy are like those recorded in algae from
<collectingRegion id="6E78F86FFFDFFF80FB3C02DB033099EC" box="[1192,1352,1240,1265]" country="Mexico" name="Quintana Roo" pageId="20" pageNumber="199">Quintana Roo</collectingRegion>
,
<collectingCountry id="D4AB761DFFDFFF80FAC202DB03D499EC" box="[1366,1452,1240,1265]" name="Mexico" pageId="20" pageNumber="199">Mexico</collectingCountry>
(
<bibRefCitation id="C82D4B7CFFDFFF80FF1B02FF07CC9808" author="Collado-Vides, L. &amp; Suarez, A. &amp; Cabrera, R." box="[143,436,1276,1301]" pageId="20" pageNumber="199" pagination="145 - 161" refId="ref21506" refString="Collado-Vides, L., Suarez, A. &amp; Cabrera, R. (2009) Una revision taxonomica del genero Udotea en el Caribe mexicano y cubano. Revista de Investigaciones Marinas 30: 145 - 161." type="journal article" year="2009">
Collado-Vides
<emphasis id="9EC8EA9FFFDFFF80FEAD02FF07129808" box="[313,362,1276,1301]" italics="true" pageId="20" pageNumber="199">et al</emphasis>
. 2009
</bibRefCitation>
).
<taxonomicName id="6BBC4D0EFFDFFF80FE5102FF042E9808" authorityName="D. S. Littler &amp; M. M. Littler" authorityYear="1990" box="[453,598,1276,1301]" class="Ulvophyceae" family="Udoteaceae" genus="Udotea" kingdom="Plantae" order="Bryopsidales" pageId="20" pageNumber="199" phylum="Chlorophyta" rank="species" species="dotyi">
<emphasis id="9EC8EA9FFFDFFF80FE5102FF042E9808" box="[453,598,1276,1301]" italics="true" pageId="20" pageNumber="199">Udotea dotyi</emphasis>
</taxonomicName>
was an uncommon species in the study area and is recorded for the first time for the
<collectingRegion id="6E78F86FFFDFFF80FF4D032307379824" box="[217,335,1312,1337]" country="Mexico" name="Campeche" pageId="20" pageNumber="199">Campeche</collectingRegion>
littoral.
</paragraph>
</subSubSection>
</treatment>
</document>