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<document id="0B44379BA3EF19108FFB05FE3F824167" ID-DOI="10.11646/phytotaxa.391.3.2" ID-ISSN="1179-3163" ID-Zenodo-Dep="13726470" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725676164053" checkinUser="felipe" docAuthor="Ramos, Geraldo José Peixoto, Costa, Fabiana De Matos, Santos, Maria Aparecida Dos &amp; Moura, Carlos Wallace Do Nascimento" docDate="2019" docId="FB1D87F6FFCCFFCAFF7DD626FDBA2197" docLanguage="en" docName="phytotaxa.391.3.2.pdf" docOrigin="Phytotaxa 391 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.391.3.2" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Euastrum bicudoi G. J. P. Ramos &amp; C. W. N. Moura 2019, sp. nov." docType="treatment" docVersion="2" lastPageNumber="189" masterDocId="0724FF8EFFC8FFCEFFF5D455FFBA2433" masterDocTitle="Taxonomic novelties, new records, and rare species of desmids from the Chapada Diamantina region, Brazil" masterLastPageNumber="196" masterPageNumber="185" pageNumber="189" updateTime="1725688886064" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="1FA696A8ADCCEBB9E28E7063724D4C40">Taxonomic novelties, new records, and rare species of desmids from the Chapada Diamantina region, Brazil</mods:title>
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<mods:namePart id="D2D9F314EFD207976320917452A0B4B8">Ramos, Geraldo José Peixoto</mods:namePart>
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<mods:namePart id="9E6AB4D819E71948D663273188A24EE1">Costa, Fabiana De Matos</mods:namePart>
<mods:affiliation id="81200D19592813C1771AD8A7F1684FB7">Laboratório de Ficologia, Universidade Estadual de Feira de Santana, Av. Transnordestina, s / nº, Novo Horizonte, 44036 - 900, Feira de Santana, BA, Brazil</mods:affiliation>
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<mods:namePart id="DF792887F76A5038CF5BFED31F26CCF0">Santos, Maria Aparecida Dos</mods:namePart>
<mods:affiliation id="A97A6449CC86CAF58E41E1B0455A34C1">Laboratório de Ficologia, Universidade Estadual de Feira de Santana, Av. Transnordestina, s / nº, Novo Horizonte, 44036 - 900, Feira de Santana, BA, Brazil</mods:affiliation>
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<mods:namePart id="7C8B03CA59E50A1C91A17A1465E86FA9">Moura, Carlos Wallace Do Nascimento</mods:namePart>
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<subSubSection id="3BAE656BFFCCFFCAFF7DD626FBBA2757" pageId="4" pageNumber="189" type="nomenclature">
<paragraph id="730B36E0FFCCFFCAFF7DD626FC1326BF" blockId="4.[136,937,627,652]" box="[136,937,627,652]" pageId="4" pageNumber="189">
<heading id="2843818CFFCCFFCAFF7DD626FC1326BF" box="[136,937,627,652]" fontSize="11" level="2" pageId="4" pageNumber="189" reason="3">
<taxonomicName id="B4B44D63FFCCFFCAFF7DD626FD0926BF" authority="G.J.P.Ramos &amp; C.W.N.Moura" authorityName="G. J. P. Ramos &amp; C. W. N. Moura" authorityYear="2019" box="[136,691,627,652]" class="Conjugatophyceae" family="Desmidiaceae" genus="Euastrum" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="189" phylum="Charophyta" rank="species" species="bicudoi" status="sp. nov.">
<emphasis id="41C0EAF2FFCCFFCAFF7DD626FEE226BF" bold="true" box="[136,344,627,652]" italics="true" pageId="4" pageNumber="189">Euastrum bicudoi</emphasis>
G.J.P.Ramos &amp; C.W.N.Moura
</taxonomicName>
,
<emphasis id="41C0EAF2FFCCFFCAFD48D626FCA826BF" box="[701,786,627,652]" italics="true" pageId="4" pageNumber="189">
<taxonomicNameLabel id="5AF35789FFCCFFCAFD48D626FCA826BF" box="[701,786,627,652]" pageId="4" pageNumber="189" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="EB8F2A65FFCCFFCAFCD5D626FC1A26BF" box="[800,928,627,652]" captionStart="FIGURES 2850" captionStartId="6.[136,243,1862,1883]" captionTargetBox="[198,1398,317,1825]" captionTargetId="figure-78@6.[178,1410,317,1837]" captionTargetPageId="6" captionText="FIGURES 2850. Euastrum piataense (2834): LM (2831), SEM (33,34), ventral view (2830, 33), lateral view (31,34) apical view (32); Euastrum subcyclopicum var. elongatum (3539): LM (3538), SEM (39), ventral view (3536, 39), lateral view (37), apical view (38); Euastrum bicudoi (4042): ventral view (40), lateral view (41), apical view (42); Euastrum subtrilobulatum var. laeve (Figs 4346): ventral view (43,44), lateral view (45), apical view (46); Micrasterias arcuata var. perforata (4750): LM (4749), SEM (50), zygospore (49). Scale bar 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13726476" httpUri="https://zenodo.org/record/13726476/files/figure.png" pageId="4" pageNumber="189">Figs 4042</figureCitation>
)
</heading>
</paragraph>
<paragraph id="730B36E0FFCCFFCAFF7DD6EEFBBA2757" blockId="4.[136,1452,699,1444]" pageId="4" pageNumber="189">Cells somewhat longer than wide; semicells trapeziform with concave margins between the lobes; median constriction deep, with sinus open; apical incision open, V-shaped; basal lobes ornamented with 1 long spine, polar lobes with 4 spines, unequal, 2 long on the margin, divergent, 2 short in the apical incision, convergent; cell wall with a pronounced central protuberance, circular; chloroplast with one pyrenoid per semicell. Zygospores not observed. Cell dimensions: length 2526 μm, width 2022.5 μm, apical lobe 1011 μm, isthmus 55.5 μm.</paragraph>
</subSubSection>
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<paragraph id="730B36E0FFCCFFCAFF48D73AFCBB279F" blockId="4.[136,1452,699,1444]" pageId="4" pageNumber="189">
<materialsCitation id="C3DC3CBDFFCCFFCAFF48D73AFCBB279F" collectionCode="LM" location="Herbario da Universidade Estadual de Feira de Santana" pageId="4" pageNumber="189" specimenCode="HUEFS 244149" specimenCount="1" typeStatus="holotype">
<emphasis id="41C0EAF2FFCCFFCAFF48D73AFE8E27BB" bold="true" box="[189,308,879,904]" pageId="4" pageNumber="189">
<typeStatus id="AC0F8842FFCCFFCAFF48D73AFE9427BB" box="[189,302,879,904]" pageId="4" pageNumber="189" type="holotype">Holotype</typeStatus>
:
</emphasis>
material numbered (
<specimenCode id="23129E9BFFCCFFCAFDD0D73AFD5E27BB" box="[549,740,879,904]" collectionCode="HUEFS" country="Brazil" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15506" lsid="urn:lsid:biocol.org:col:15506" name="Universidade Estadual de Feira de Santana" pageId="4" pageNumber="189" type="Herbarium">HUEFS 244149</specimenCode>
!) deposited at
<location id="766B603BFFCCFFCAFC78D73AFF59279F" LSID="urn:lsid:plazi:treatment:FB1D87F6FFCCFFCAFF7DD626FDBA2197:766B603BFFCCFFCAFC78D73AFF59279F" name="Herbario da Universidade Estadual de Feira de Santana" pageId="4" pageNumber="189">Herbário da Universidade Estadual de Feira de Santana</location>
, population illustrated here in
<collectionCode id="15A5AE25FFCCFFCAFDCDD7C6FDD8279F" box="[568,610,915,940]" country="Mozambique" lsid="urn:lsid:biocol.org:col:13988" name="Secçáo de Botânica e Ecologia" pageId="4" pageNumber="189" type="Herbarium">LM</collectionCode>
(
<figureCitation id="EB8F2A65FFCCFFCAFD84D7C6FD4F279F" box="[625,757,915,940]" captionStart="FIGURES 2850" captionStartId="6.[136,243,1862,1883]" captionTargetBox="[198,1398,317,1825]" captionTargetId="figure-78@6.[178,1410,317,1837]" captionTargetPageId="6" captionText="FIGURES 2850. Euastrum piataense (2834): LM (2831), SEM (33,34), ventral view (2830, 33), lateral view (31,34) apical view (32); Euastrum subcyclopicum var. elongatum (3539): LM (3538), SEM (39), ventral view (3536, 39), lateral view (37), apical view (38); Euastrum bicudoi (4042): ventral view (40), lateral view (41), apical view (42); Euastrum subtrilobulatum var. laeve (Figs 4346): ventral view (43,44), lateral view (45), apical view (46); Micrasterias arcuata var. perforata (4750): LM (4749), SEM (50), zygospore (49). Scale bar 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13726476" httpUri="https://zenodo.org/record/13726476/files/figure.png" pageId="4" pageNumber="189">Figs 4042</figureCitation>
).
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="3BAE656BFFCCFFCAFF48D7E2FB7827C7" pageId="4" pageNumber="189" type="etymology">
<paragraph id="730B36E0FFCCFFCAFF48D7E2FB7827C7" blockId="4.[136,1452,699,1444]" pageId="4" pageNumber="189">
<emphasis id="41C0EAF2FFCCFFCAFF48D7E2FEF227E3" bold="true" box="[189,328,951,976]" pageId="4" pageNumber="189">Etymology:</emphasis>
The epithet is given in honor of Brazilian desmidiologist Dr. Carlos Eduardo de Mattos Bicudo for his invaluable contribution to knowledge of desmids in American continent, especially in
<collectingCountry id="0BA37670FFCCFFCAFB83D78EFB0427C7" box="[1142,1214,987,1012]" name="Brazil" pageId="4" pageNumber="189">Brazil</collectingCountry>
.
</paragraph>
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<subSubSection id="3BAE656BFFCCFFCAFF48D7AAFDBA2197" pageId="4" pageNumber="189" type="materials_examined">
<paragraph id="730B36E0FFCCFFCAFF48D7AAFD5C20B7" blockId="4.[136,1452,699,1444]" pageId="4" pageNumber="189">
<emphasis id="41C0EAF2FFCCFFCAFF48D7AAFD16202B" bold="true" box="[189,684,1023,1048]" pageId="4" pageNumber="189">Type locality and habitat characteristics:</emphasis>
<materialsCitation id="C3DC3CBDFFCCFFCAFD40D7AAFB972053" collectingDate="2017-07-13" collectionCode="G, J, P, C, W, N, F, M, A" country="Brazil" county="Costa" latitude="-13.096666" location="Piata" longLatPrecision="21" longitude="-41.850555" municipality="Moura" pageId="4" pageNumber="189" specimenCode="HUEFS 244149" specimenCount="1" stateProvince="Bahia">
Collected at “Barragem do Dragão”
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,
<collectingRegion id="B170F802FFCCFFCAFB6BD7AAFAA4202B" box="[1182,1310,1023,1048]" country="Brazil" name="Bahia" pageId="4" pageNumber="189">Bahia state</collectingRegion>
,
<collectingCountry id="0BA37670FFCCFFCAFADED7AAFAC9202B" box="[1323,1395,1023,1048]" name="Brazil" pageId="4" pageNumber="189">Brazil</collectingCountry>
. Lat.
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, Long.
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.
<location id="766B603BFFCCFFCAFDDED076FDC5200F" LSID="urn:lsid:plazi:treatment:FB1D87F6FFCCFFCAFF7DD626FDBA2197:766B603BFFCCFFCAFDDED076FDC5200F" box="[555,639,1059,1084]" country="Brazil" county="Costa" latitude="-13.096666" longLatPrecision="21" longitude="-41.850555" municipality="Moura" name="Sample" pageId="4" pageNumber="189" stateProvince="Bahia">Sample</location>
collected by
<collectionCode id="15A5AE25FFCCFFCAFCEDD076FC97200F" box="[792,813,1059,1084]" country="Switzerland" lsid="urn:lsid:biocol.org:col:15706" name="Conservatoire et Jardin botaniques de la Ville de Genève" pageId="4" pageNumber="189" type="Herbarium">G</collectionCode>
.
<collectionCode id="15A5AE25FFCCFFCAFCC4D076FC86200F" box="[817,828,1059,1084]" country="South Africa" lsid="urn:lsid:biocol.org:col:14647" name="University of the Witwatersrand" pageId="4" pageNumber="189" type="Herbarium">J</collectionCode>
.
<collectionCode id="15A5AE25FFCCFFCAFCCAD076FCEA200F" box="[831,848,1059,1084]" country="France" lsid="urn:lsid:biocol.org:col:15763" name="Museum National d' Histoire Naturelle, Paris (MNHN) - Vascular Plants" pageId="4" pageNumber="189" type="Herbarium">P</collectionCode>
.
<location id="766B603BFFCCFFCAFCA1D076FC13200F" LSID="urn:lsid:plazi:treatment:FB1D87F6FFCCFFCAFF7DD626FDBA2197:766B603BFFCCFFCAFCA1D076FC13200F" box="[852,937,1059,1084]" country="Brazil" county="Costa" latitude="-13.096666" longLatPrecision="21" longitude="-41.850555" municipality="Moura" name="Ramos" pageId="4" pageNumber="189" stateProvince="Bahia">Ramos</location>
,
<collectionCode id="15A5AE25FFCCFFCAFC40D076FC73200F" box="[949,969,1059,1084]" country="Denmark" name="University of Copenhagen" pageId="4" pageNumber="189" type="Herbarium">C</collectionCode>
.
<collectionCode id="15A5AE25FFCCFFCAFC39D076FC50200F" box="[972,1002,1059,1084]" country="Austria" lsid="urn:lsid:biocol.org:col:15588" name="Naturhistorisches Museum Wien" pageId="4" pageNumber="189" type="Herbarium">W</collectionCode>
.
<collectionCode id="15A5AE25FFCCFFCAFC1BD076FBBF200F" box="[1006,1029,1059,1084]" country="China" lsid="urn:lsid:biocol.org:col:13092" name="Nanjing University" pageId="4" pageNumber="189" type="Herbarium">N</collectionCode>
.
<collectingMunicipality id="936FAC9AFFCCFFCAFBE5D076FBE4200F" box="[1040,1118,1059,1084]" pageId="4" pageNumber="189">Moura</collectingMunicipality>
,
<collectionCode id="15A5AE25FFCCFFCAFB9FD076FBC1200F" box="[1130,1147,1059,1084]" country="USA" lsid="urn:lsid:biocol.org:col:15707" name="Field Museum of Natural History, Botany Department" pageId="4" pageNumber="189" type="Herbarium">F</collectionCode>
.
<collectionCode id="15A5AE25FFCCFFCAFB8AD076FB21200F" box="[1151,1179,1059,1084]" country="Germany" lsid="urn:lsid:biocol.org:col:15637" name="Botanische Staatssammlung München" pageId="4" pageNumber="189" type="Herbarium">M</collectionCode>
.
<collectingCounty id="9A6A4E6CFFCCFFCAFB53D076FB5C200F" box="[1190,1254,1059,1084]" pageId="4" pageNumber="189">Costa</collectingCounty>
and
<collectionCode id="15A5AE25FFCCFFCAFAEBD076FA81200F" box="[1310,1339,1059,1084]" country="Germany" lsid="urn:lsid:biocol.org:col:15637" name="Botanische Staatssammlung München" pageId="4" pageNumber="189" type="Herbarium">M</collectionCode>
.
<collectionCode id="15A5AE25FFCCFFCAFACBD076FAEF200F" box="[1342,1365,1059,1084]" country="USA" lsid="urn:lsid:biocol.org:col:15406" name="Harvard University - Arnold Arboretum" pageId="4" pageNumber="189" type="Herbarium">A</collectionCode>
. Santos s/n (
<specimenCode id="23129E9BFFCCFFCAFF4CD012FEC82053" box="[185,370,1095,1120]" collectionCode="HUEFS" country="Brazil" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15506" lsid="urn:lsid:biocol.org:col:15506" name="Universidade Estadual de Feira de Santana" pageId="4" pageNumber="189" type="Herbarium">HUEFS 244149</specimenCode>
) on
<date id="070A1020FFCCFFCAFE52D012FDFA2053" box="[423,576,1095,1120]" pageId="4" pageNumber="189" value="2017-07-13">
<collectingDate id="174EE9C8FFCCFFCAFE52D012FDFA2053" box="[423,576,1095,1120]" pageId="4" pageNumber="189" value="2017-07-13">13 July 2017</collectingDate>
</date>
.
<taxonomicName id="B4B44D63FFCCFFCAFDB9D012FCA42053" authorityName="G. J. P. Ramos &amp; C. W. N. Moura" authorityYear="2019" box="[588,798,1095,1120]" class="Conjugatophyceae" family="Desmidiaceae" genus="Euastrum" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="189" phylum="Charophyta" rank="species" species="bicudoi">
<emphasis id="41C0EAF2FFCCFFCAFDB9D012FCA42053" bold="true" box="[588,798,1095,1120]" italics="true" pageId="4" pageNumber="189">Euastrum bicudoi</emphasis>
</taxonomicName>
occurred in periphyton
</materialsCitation>
; water temperature 21ºC, pH 7.8, conductivity 10 μS.
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, dissolved oxygen
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.L-
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.
</paragraph>
<paragraph id="730B36E0FFCCFFCAFF48D0DAFC4B20C3" blockId="4.[136,1452,699,1444]" pageId="4" pageNumber="189">
<emphasis id="41C0EAF2FFCCFFCAFF48D0DAFEB3209B" bold="true" box="[189,265,1167,1192]" pageId="4" pageNumber="189">Notes:</emphasis>
The presence of elongated spines is the most notable feature of this species, which was considered rare in the study area. We have analyzed approximately
<specimenCount id="65B2FD69FFCCFFCAFD5BD0E6FCF020FF" box="[686,842,1203,1228]" count="30" pageId="4" pageNumber="189" type="generic">30 specimens</specimenCount>
, and all of the cells presented the same morphological pattern with considerably elongated spines on both the polar and lateral lobes.
</paragraph>
<paragraph id="730B36E0FFCCFFCAFF48D0AEFDBA2197" blockId="4.[136,1452,699,1444]" pageId="4" pageNumber="189">
Morphologically,
<taxonomicName id="B4B44D63FFCCFFCAFE71D0AEFDF12127" authorityName="G. J. P. Ramos &amp; C. W. N. Moura" authorityYear="2019" box="[388,587,1275,1300]" class="Conjugatophyceae" family="Desmidiaceae" genus="Euastrum" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="189" phylum="Charophyta" rank="species" species="bicudoi">
<emphasis id="41C0EAF2FFCCFFCAFE71D0AEFDF12127" box="[388,587,1275,1300]" italics="true" pageId="4" pageNumber="189">Euastrum bicudoi</emphasis>
</taxonomicName>
resembles
<taxonomicName id="B4B44D63FFCCFFCAFD33D0AEFEF2210B" authority="(Kurt Forst. &amp; F. Eckert) Kurt Forst. (1969: 31)" authorityName="Kurt Forst." authorityPageNumber="31" authorityYear="1969" baseAuthorityName="Kurt Forst. &amp; F. Eckert" class="Conjugatophyceae" family="Desmidiaceae" genus="Euastrum" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="189" phylum="Charophyta" rank="variety" species="cuspidatum" variety="goyazense">
<emphasis id="41C0EAF2FFCCFFCAFD33D0AEFC002127" box="[710,954,1275,1300]" italics="true" pageId="4" pageNumber="189">Euastrum cuspidatum</emphasis>
var.
<emphasis id="41C0EAF2FFCCFFCAFC1AD0AEFBD82127" box="[1007,1122,1275,1300]" italics="true" pageId="4" pageNumber="189">goyazense</emphasis>
(Kurt Först. &amp; F.Eckert) Kurt Först. (1969: 31)
</taxonomicName>
, although the latter differs mainly by having 23 short spines on the lobes instead long spines. This morphotype is apparently typical of the tropical region of
<collectingCountry id="0BA37670FFCCFFCAFCD4D116FCD2216F" box="[801,872,1347,1372]" name="Brazil" pageId="4" pageNumber="189">Brazil</collectingCountry>
, since other similar taxa (e.g.,
<taxonomicName id="B4B44D63FFCCFFCAFB3DD116FEF321B3" authority="Borge [1918: 59]" authorityName="Borge" authorityPageNumber="59" authorityYear="1918" class="Conjugatophyceae" family="Desmidiaceae" genus="Euastrum" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="189" phylum="Charophyta" rank="species" species="arciferum">
<emphasis id="41C0EAF2FFCCFFCAFB3DD116FA11216F" box="[1224,1451,1347,1372]" italics="true" pageId="4" pageNumber="189">Euastrum arciferum</emphasis>
<bibRefCitation id="17254B11FFCCFFCAFF7DD132FEF321B3" author="Borge, O." box="[136,329,1383,1408]" pageId="4" pageNumber="189" pagination="1 - 108" refId="ref6766" refString="Borge, O. (1918) Die von Dr. A. Lofgren in Sao Paulo gessammelten Susswasseralgen. Arkiv for Botanik 15 (13): 1 - 108" type="journal article" year="1918">Borge [1918: 59]</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="B4B44D63FFCCFFCAFE75D132FCBD21B3" authority="Borge [1918: 58]" authorityName="Borge" authorityPageNumber="58" authorityYear="1918" box="[384,775,1383,1408]" class="Conjugatophyceae" family="Desmidiaceae" genus="Euastrum" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="189" phylum="Charophyta" rank="species" species="subtile">
<emphasis id="41C0EAF2FFCCFFCAFE75D132FD8521B3" box="[384,575,1383,1408]" italics="true" pageId="4" pageNumber="189">Euastrum subtile</emphasis>
<bibRefCitation id="17254B11FFCCFFCAFDB3D132FCBD21B3" author="Borge, O." box="[582,775,1383,1408]" pageId="4" pageNumber="189" pagination="1 - 108" refId="ref6766" refString="Borge, O. (1918) Die von Dr. A. Lofgren in Sao Paulo gessammelten Susswasseralgen. Arkiv for Botanik 15 (13): 1 - 108" type="journal article" year="1918">Borge [1918: 58]</bibRefCitation>
</taxonomicName>
) were also described from material collected in the states of
<collectingRegion id="B170F802FFCCFFCAFF7DD1DEFF762197" box="[136,204,1419,1444]" country="Brazil" name="Bahia" pageId="4" pageNumber="189">Bahia</collectingRegion>
,
<collectingRegion id="B170F802FFCCFFCAFF22D1DEFEA12197" box="[215,283,1419,1444]" country="Brazil" name="Goias" pageId="4" pageNumber="189">Goiás</collectingRegion>
, and
<collectingRegion id="B170F802FFCCFFCAFEA3D1DEFE462197" box="[342,508,1419,1444]" country="Brazil" name="Rio de Janeiro" pageId="4" pageNumber="189">Rio de Janeiro</collectingRegion>
.
</paragraph>
</subSubSection>
</treatment>
</document>