390 lines
51 KiB
XML
390 lines
51 KiB
XML
<document ID-DOI="10.11646/phytotaxa.575.3.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="7431242" checkinTime="1670915127192" checkinUser="plazi" docAuthor="Costa, Lívia F., Wetzel, Carlos E., Maquardt, Gisele C., Zanon, Jaques E., Ector, Luc & Bicudo, Denise C." docDate="2022" docId="0399343DFF91FFCC76ACBE21FEDDFE24" docLanguage="en" docName="phytotaxa.575.3.1.pdf" docOrigin="Phytotaxa 575 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.575.3.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.5:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="5" docTitle="Achnanthidium ritae L. F. Costa 2022, sp. nov." docType="treatment" docVersion="3" lastPageNumber="208" masterDocId="FFA04C45FF85FFD97624BD1DFF97FFF6" masterDocTitle="Taxonomy and ecology of Achnanthidium (Bacillariophyta, Achnanthidiaceae) from southeastern Brazil with the description of six new species" masterLastPageNumber="223" masterPageNumber="187" pageNumber="207" updateTime="1670961475714" updateUser="jonas" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Taxonomy and ecology of Achnanthidium (Bacillariophyta, Achnanthidiaceae) from southeastern Brazil with the description of six new species</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Costa, Lívia F.</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0001-7148-9964</mods:nameIdentifier>
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<mods:affiliation>Instituto de Pesquisas Ambientais (IPA), Department of Biodiversity Conservation, Av. Miguel Estéfano 3687, 04301 - 012 São Paulo, SP, Brazil. & livia. fcosta @ hotmail. com; https: // orcid. org / 0000 - 0001 - 7148 - 9964</mods:affiliation>
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<mods:nameIdentifier type="email">livia.fcosta@hotmail.com</mods:nameIdentifier>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Wetzel, Carlos E.</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0001-5330-0494</mods:nameIdentifier>
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<mods:affiliation>Luxembourg Institute of Science and Technology (LIST), Environmental Research and Innovation Department (ERIN), Observatory for Climate, Environment and Biodiversity (OCEB), 41 rue du Brill, 4422 Belvaux, Luxembourg. & carlos. wetzel @ list. lu; https: // orcid. org / 0000 - 0001 - 5330 - 0494</mods:affiliation>
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<mods:nameIdentifier type="email">carlos.wetzel@list.lu</mods:nameIdentifier>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Maquardt, Gisele C.</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-2721-1487</mods:nameIdentifier>
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<mods:affiliation>Instituto de Pesquisas Ambientais (IPA), Department of Biodiversity Conservation, Av. Miguel Estéfano 3687, 04301 - 012 São Paulo, SP, Brazil. & Universidade Guarulhos, Centro de Pós-Graduação, Pesquisa e Extensão CEPPE, Praça Tereza Cristina 88, 07023070 Guarulhos, SP, Brazil. & giselecmarquardt @ gmail. com; https: // orcid. org / 0000 - 0002 - 2721 - 1487</mods:affiliation>
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<mods:nameIdentifier type="email">giselecmarquardt@gmail.com</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Zanon, Jaques E.</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-9619-4393</mods:nameIdentifier>
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<mods:affiliation>Instituto de Pesquisas Ambientais (IPA), Department of Biodiversity Conservation, Av. Miguel Estéfano 3687, 04301 - 012 São Paulo, SP, Brazil. & jaques. zanon @ gmail. com; https: // orcid. org / 0000 - 0002 - 9619 - 4393</mods:affiliation>
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<mods:nameIdentifier type="email">jaques.zanon@gmail.com</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Ector, Luc</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-4573-9445</mods:nameIdentifier>
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<mods:affiliation>Luxembourg Institute of Science and Technology (LIST), Environmental Research and Innovation Department (ERIN), Observatory for Climate, Environment and Biodiversity (OCEB), 41 rue du Brill, 4422 Belvaux, Luxembourg. & https: // orcid. org / 0000 - 0002 - 4573 - 9445</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Bicudo, Denise C.</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-4248-3261</mods:nameIdentifier>
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<mods:affiliation>Instituto de Pesquisas Ambientais (IPA), Department of Biodiversity Conservation, Av. Miguel Estéfano 3687, 04301 - 012 São Paulo, SP, Brazil. & denisecbicudo @ gmail. com; https: // orcid. org / 0000 - 0002 - 4248 - 3261</mods:affiliation>
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<mods:nameIdentifier type="email">denisecbicudo@gmail.com</mods:nameIdentifier>
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<mods:title>Phytotaxa</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-12-13</mods:number>
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<mods:detail type="volume">
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<mods:number>575</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>3</mods:number>
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<mods:extent unit="page">
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<mods:start>187</mods:start>
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<mods:end>223</mods:end>
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<mods:url>http://dx.doi.org/10.11646/phytotaxa.575.3.1</mods:url>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.11646/phytotaxa.575.3.1</mods:identifier>
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<mods:identifier type="ISSN">1179-3163</mods:identifier>
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<mods:identifier type="Zenodo-Dep">7431242</mods:identifier>
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<treatment LSID="urn:lsid:plazi:treatment:0399343DFF91FFCC76ACBE21FEDDFE24" httpUri="http://treatment.plazi.org/id/0399343DFF91FFCC76ACBE21FEDDFE24" lastPageId="21" lastPageNumber="208" pageId="20" pageNumber="207">
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<subSubSection box="[136,764,828,855]" pageId="20" pageNumber="207" type="nomenclature">
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<paragraph blockId="20.[136,764,828,855]" box="[136,764,828,855]" pageId="20" pageNumber="207">
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<heading box="[136,764,828,855]" fontSize="11" level="2" pageId="20" pageNumber="207" reason="3">
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<taxonomicName authority="L.F.Costa" authorityName="L. F. Costa" authorityYear="2022" box="[136,493,828,855]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="ritae" status="sp. nov.">
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<emphasis bold="true" box="[136,378,828,855]" italics="true" pageId="20" pageNumber="207">Achnanthidium ritae</emphasis>
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L.F.Costa
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</taxonomicName>
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<emphasis box="[500,585,830,855]" italics="true" pageId="20" pageNumber="207">
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<taxonomicNameLabel box="[500,585,830,855]" pageId="20" pageNumber="207" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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(
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<figureCitation box="[599,755,829,855]" captionStart="FIGURES 194–214" captionStartId="21.[136,243,1586,1608]" captionTargetBox="[216,1374,491,1549]" captionTargetId="figure-151@21.[200,1387,491,1561]" captionTargetPageId="21" captionText="FIGURES 194–214. LM and SEM images of Achnanthidium ritae sp. nov.from the type (SP-427904) from Billings complex,Taquacetuba branch, São Paulo state. Figure 205 corresponds to the holotype. 194–201. LM views of raphe valves. 202–210. LM views of rapheless valves. 211. SEM external view of raphe valve showing striation pattern, axial and central areas. 212. SEM internal view of the raphe valve. 213. SEM external view of the rapheless valves showing striation pattern, axial and central areas. 214. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431272" httpUri="https://zenodo.org/record/7431272/files/figure.png" pageId="20" pageNumber="207">Figs 194–214</figureCitation>
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)
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="20" pageNumber="207" type="description">
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<paragraph blockId="20.[136,1452,894,2087]" pageId="20" pageNumber="207">
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<emphasis bold="true" box="[136,312,894,920]" pageId="20" pageNumber="207">Description:—</emphasis>
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LM: Valves linear-elliptic, with non-protracted, broadly rounded apices (
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<figureCitation box="[1128,1288,894,920]" captionStart="FIGURES 194–214" captionStartId="21.[136,243,1586,1608]" captionTargetBox="[216,1374,491,1549]" captionTargetId="figure-151@21.[200,1387,491,1561]" captionTargetPageId="21" captionText="FIGURES 194–214. LM and SEM images of Achnanthidium ritae sp. nov.from the type (SP-427904) from Billings complex,Taquacetuba branch, São Paulo state. Figure 205 corresponds to the holotype. 194–201. LM views of raphe valves. 202–210. LM views of rapheless valves. 211. SEM external view of raphe valve showing striation pattern, axial and central areas. 212. SEM internal view of the raphe valve. 213. SEM external view of the rapheless valves showing striation pattern, axial and central areas. 214. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431272" httpUri="https://zenodo.org/record/7431272/files/figure.png" pageId="20" pageNumber="207">Figs 194–210</figureCitation>
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); 5.3–10.3 µm long, 2.5–2.9 µm wide. Raphe valve: axial area narrow and linear, central area absent or small rounded, sometimes with one shortened stria on both sides of the valve (
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<figureCitation box="[740,901,966,992]" captionStart="FIGURES 194–214" captionStartId="21.[136,243,1586,1608]" captionTargetBox="[216,1374,491,1549]" captionTargetId="figure-151@21.[200,1387,491,1561]" captionTargetPageId="21" captionText="FIGURES 194–214. LM and SEM images of Achnanthidium ritae sp. nov.from the type (SP-427904) from Billings complex,Taquacetuba branch, São Paulo state. Figure 205 corresponds to the holotype. 194–201. LM views of raphe valves. 202–210. LM views of rapheless valves. 211. SEM external view of raphe valve showing striation pattern, axial and central areas. 212. SEM internal view of the raphe valve. 213. SEM external view of the rapheless valves showing striation pattern, axial and central areas. 214. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431272" httpUri="https://zenodo.org/record/7431272/files/figure.png" pageId="20" pageNumber="207">Figs 194–201</figureCitation>
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). Raphe filiform and straight. Transapical striae slightly radiate throughout the entire valve, more spaced in the central area (
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<figureCitation box="[974,1131,1002,1028]" captionStart="FIGURES 194–214" captionStartId="21.[136,243,1586,1608]" captionTargetBox="[216,1374,491,1549]" captionTargetId="figure-151@21.[200,1387,491,1561]" captionTargetPageId="21" captionText="FIGURES 194–214. LM and SEM images of Achnanthidium ritae sp. nov.from the type (SP-427904) from Billings complex,Taquacetuba branch, São Paulo state. Figure 205 corresponds to the holotype. 194–201. LM views of raphe valves. 202–210. LM views of rapheless valves. 211. SEM external view of raphe valve showing striation pattern, axial and central areas. 212. SEM internal view of the raphe valve. 213. SEM external view of the rapheless valves showing striation pattern, axial and central areas. 214. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431272" httpUri="https://zenodo.org/record/7431272/files/figure.png" pageId="20" pageNumber="207">Figs 194–201</figureCitation>
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);
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<quantity box="[1150,1248,1002,1028]" metricMagnitude="-1" metricUnit="m" metricValue="7.366" metricValueMax="7.62" metricValueMin="7.112" pageId="20" pageNumber="207" unit="in" value="29.0" valueMax="30.0" valueMin="28.0">28–30 in</quantity>
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||
10 µm. Rapheless valve: axial area narrow and linear, slightly widening towards the central area; central area absent or narrow lanceolate (
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||
<figureCitation box="[144,304,1074,1100]" captionStart="FIGURES 194–214" captionStartId="21.[136,243,1586,1608]" captionTargetBox="[216,1374,491,1549]" captionTargetId="figure-151@21.[200,1387,491,1561]" captionTargetPageId="21" captionText="FIGURES 194–214. LM and SEM images of Achnanthidium ritae sp. nov.from the type (SP-427904) from Billings complex,Taquacetuba branch, São Paulo state. Figure 205 corresponds to the holotype. 194–201. LM views of raphe valves. 202–210. LM views of rapheless valves. 211. SEM external view of raphe valve showing striation pattern, axial and central areas. 212. SEM internal view of the raphe valve. 213. SEM external view of the rapheless valves showing striation pattern, axial and central areas. 214. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431272" httpUri="https://zenodo.org/record/7431272/files/figure.png" pageId="20" pageNumber="207">Figs 202–210</figureCitation>
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||
). Transapical striae slightly radiate throughout the entire valve, more spaced in the central area;
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<quantity metricMagnitude="-1" metricUnit="m" metricValue="6.858" metricValueMax="7.112" metricValueMin="6.604" pageId="20" pageNumber="207" unit="in" value="27.0" valueMax="28.0" valueMin="26.0">26–28 in</quantity>
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10 µm (
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<figureCitation box="[253,412,1110,1136]" captionStart="FIGURES 194–214" captionStartId="21.[136,243,1586,1608]" captionTargetBox="[216,1374,491,1549]" captionTargetId="figure-151@21.[200,1387,491,1561]" captionTargetPageId="21" captionText="FIGURES 194–214. LM and SEM images of Achnanthidium ritae sp. nov.from the type (SP-427904) from Billings complex,Taquacetuba branch, São Paulo state. Figure 205 corresponds to the holotype. 194–201. LM views of raphe valves. 202–210. LM views of rapheless valves. 211. SEM external view of raphe valve showing striation pattern, axial and central areas. 212. SEM internal view of the raphe valve. 213. SEM external view of the rapheless valves showing striation pattern, axial and central areas. 214. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431272" httpUri="https://zenodo.org/record/7431272/files/figure.png" pageId="20" pageNumber="207">Figs 202–210</figureCitation>
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||
).
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||
</paragraph>
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||
<paragraph blockId="20.[136,1452,894,2087]" pageId="20" pageNumber="207">
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SEM: Raphe prolonged, terminating after the last stria (
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<figureCitation box="[813,910,1145,1172]" captionStart="FIGURES 194–214" captionStartId="21.[136,243,1586,1608]" captionTargetBox="[216,1374,491,1549]" captionTargetId="figure-151@21.[200,1387,491,1561]" captionTargetPageId="21" captionText="FIGURES 194–214. LM and SEM images of Achnanthidium ritae sp. nov.from the type (SP-427904) from Billings complex,Taquacetuba branch, São Paulo state. Figure 205 corresponds to the holotype. 194–201. LM views of raphe valves. 202–210. LM views of rapheless valves. 211. SEM external view of raphe valve showing striation pattern, axial and central areas. 212. SEM internal view of the raphe valve. 213. SEM external view of the rapheless valves showing striation pattern, axial and central areas. 214. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431272" httpUri="https://zenodo.org/record/7431272/files/figure.png" pageId="20" pageNumber="207">Fig. 211</figureCitation>
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). Central raphe fissures close, straight and droplike expanded (
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<figureCitation box="[306,402,1181,1207]" captionStart="FIGURES 194–214" captionStartId="21.[136,243,1586,1608]" captionTargetBox="[216,1374,491,1549]" captionTargetId="figure-151@21.[200,1387,491,1561]" captionTargetPageId="21" captionText="FIGURES 194–214. LM and SEM images of Achnanthidium ritae sp. nov.from the type (SP-427904) from Billings complex,Taquacetuba branch, São Paulo state. Figure 205 corresponds to the holotype. 194–201. LM views of raphe valves. 202–210. LM views of rapheless valves. 211. SEM external view of raphe valve showing striation pattern, axial and central areas. 212. SEM internal view of the raphe valve. 213. SEM external view of the rapheless valves showing striation pattern, axial and central areas. 214. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431272" httpUri="https://zenodo.org/record/7431272/files/figure.png" pageId="20" pageNumber="207">Fig. 211</figureCitation>
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||
). Terminal raphe fissures straight (
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||
<figureCitation box="[785,881,1181,1207]" captionStart="FIGURES 194–214" captionStartId="21.[136,243,1586,1608]" captionTargetBox="[216,1374,491,1549]" captionTargetId="figure-151@21.[200,1387,491,1561]" captionTargetPageId="21" captionText="FIGURES 194–214. LM and SEM images of Achnanthidium ritae sp. nov.from the type (SP-427904) from Billings complex,Taquacetuba branch, São Paulo state. Figure 205 corresponds to the holotype. 194–201. LM views of raphe valves. 202–210. LM views of rapheless valves. 211. SEM external view of raphe valve showing striation pattern, axial and central areas. 212. SEM internal view of the raphe valve. 213. SEM external view of the rapheless valves showing striation pattern, axial and central areas. 214. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431272" httpUri="https://zenodo.org/record/7431272/files/figure.png" pageId="20" pageNumber="207">Fig. 211</figureCitation>
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). Striae mainly composed of 4–6 rounded to almost squared or elongated areolae (
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<figureCitation box="[472,630,1216,1242]" captionStart="FIGURES 194–214" captionStartId="21.[136,243,1586,1608]" captionTargetBox="[216,1374,491,1549]" captionTargetId="figure-151@21.[200,1387,491,1561]" captionTargetPageId="21" captionText="FIGURES 194–214. LM and SEM images of Achnanthidium ritae sp. nov.from the type (SP-427904) from Billings complex,Taquacetuba branch, São Paulo state. Figure 205 corresponds to the holotype. 194–201. LM views of raphe valves. 202–210. LM views of rapheless valves. 211. SEM external view of raphe valve showing striation pattern, axial and central areas. 212. SEM internal view of the raphe valve. 213. SEM external view of the rapheless valves showing striation pattern, axial and central areas. 214. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431272" httpUri="https://zenodo.org/record/7431272/files/figure.png" pageId="20" pageNumber="207">Figs 211–214</figureCitation>
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||
). Mantle with one row of slit-like areolae (
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<figureCitation box="[1109,1267,1216,1242]" captionStart="FIGURES 194–214" captionStartId="21.[136,243,1586,1608]" captionTargetBox="[216,1374,491,1549]" captionTargetId="figure-151@21.[200,1387,491,1561]" captionTargetPageId="21" captionText="FIGURES 194–214. LM and SEM images of Achnanthidium ritae sp. nov.from the type (SP-427904) from Billings complex,Taquacetuba branch, São Paulo state. Figure 205 corresponds to the holotype. 194–201. LM views of raphe valves. 202–210. LM views of rapheless valves. 211. SEM external view of raphe valve showing striation pattern, axial and central areas. 212. SEM internal view of the raphe valve. 213. SEM external view of the rapheless valves showing striation pattern, axial and central areas. 214. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431272" httpUri="https://zenodo.org/record/7431272/files/figure.png" pageId="20" pageNumber="207">Figs 211–214</figureCitation>
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).
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</paragraph>
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</subSubSection>
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||
<subSubSection pageId="20" pageNumber="207" type="materials_examined">
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||
<paragraph blockId="20.[136,1452,894,2087]" pageId="20" pageNumber="207">
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||
<emphasis bold="true" box="[189,286,1251,1277]" pageId="20" pageNumber="207">Type:—</emphasis>
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<materialsCitation collectingDate="2009-08-07" collectorName="S. Wengrat & D. C. Bicudo" country="Brazil" latitude="-23.81225" location="Taquacetuba" longLatPrecision="1" longitude="-46.630898" municipality="Billings Complex" pageId="20" pageNumber="207" specimenCount="1" stateProvince="Sao Paulo" typeStatus="holotype">
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<collectingCountry box="[285,390,1251,1277]" name="Brazil" pageId="20" pageNumber="207">BRAZIL</collectingCountry>
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.
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<collectingRegion box="[400,575,1251,1278]" country="Brazil" name="Sao Paulo" pageId="20" pageNumber="207">São Paulo state</collectingRegion>
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:
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<collectingRegion box="[585,701,1251,1277]" country="Brazil" name="Sao Paulo" pageId="20" pageNumber="207">São Paulo</collectingRegion>
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,
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<collectingMunicipality box="[711,912,1251,1277]" pageId="20" pageNumber="207">Billings Complex</collectingMunicipality>
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,
|
||
<location LSID="urn:lsid:plazi:treatment:0399343DFF91FFCC76ACBE21FEDDFE24:8EEFD3F0FF91FFCD75BEB9FEFBB0FB0B" box="[922,1063,1251,1277]" country="Brazil" latitude="-23.81225" longLatPrecision="1" longitude="-46.630898" municipality="Billings Complex" name="Taquacetuba" pageId="20" pageNumber="207" stateProvince="Sao Paulo">Taquacetuba</location>
|
||
branch, epilithon,
|
||
<geoCoordinate box="[1273,1446,1251,1277]" degrees="23" direction="south" minutes="48" orientation="latitude" pageId="20" pageNumber="207" precision="1" seconds="44.1" value="-23.81225">23° 48’ 44.1” S</geoCoordinate>
|
||
,
|
||
<geoCoordinate box="[136,333,1286,1313]" degrees="46" direction="west" minutes="37" orientation="longitude" pageId="20" pageNumber="207" precision="1" seconds="51.24" value="-46.630898">46° 37’ 51.24” W</geoCoordinate>
|
||
,
|
||
<emphasis box="[344,824,1286,1313]" italics="true" pageId="20" pageNumber="207">
|
||
<collectorName box="[344,459,1287,1313]" pageId="20" pageNumber="207">S.Wengrat</collectorName>
|
||
&
|
||
<collectorName box="[495,629,1286,1312]" pageId="20" pageNumber="207">D.C.Bicudo</collectorName>
|
||
,
|
||
<date box="[641,824,1286,1313]" pageId="20" pageNumber="207" value="2009-08-07">
|
||
<collectingDate box="[641,824,1286,1313]" pageId="20" pageNumber="207" value="2009-08-07">7th August 2009</collectingDate>
|
||
</date>
|
||
</emphasis>
|
||
(
|
||
<typeStatus box="[839,939,1286,1312]" pageId="20" pageNumber="207">holotype</typeStatus>
|
||
SP-427904! =
|
||
<figureCitation box="[1109,1205,1286,1313]" captionStart="FIGURES 194–214" captionStartId="21.[136,243,1586,1608]" captionTargetBox="[216,1374,491,1549]" captionTargetId="figure-151@21.[200,1387,491,1561]" captionTargetPageId="21" captionText="FIGURES 194–214. LM and SEM images of Achnanthidium ritae sp. nov.from the type (SP-427904) from Billings complex,Taquacetuba branch, São Paulo state. Figure 205 corresponds to the holotype. 194–201. LM views of raphe valves. 202–210. LM views of rapheless valves. 211. SEM external view of raphe valve showing striation pattern, axial and central areas. 212. SEM internal view of the raphe valve. 213. SEM external view of the rapheless valves showing striation pattern, axial and central areas. 214. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431272" httpUri="https://zenodo.org/record/7431272/files/figure.png" pageId="20" pageNumber="207">Fig. 205</figureCitation>
|
||
, isotype: BR-4619)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection box="[189,808,1321,1348]" pageId="20" pageNumber="207" type="etymology">
|
||
<paragraph blockId="20.[136,1452,894,2087]" box="[189,808,1321,1348]" pageId="20" pageNumber="207">
|
||
<emphasis bold="true" box="[189,356,1322,1348]" pageId="20" pageNumber="207">Etymology:—</emphasis>
|
||
This species is dedicated to Rita Franco.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="21" lastPageNumber="208" pageId="20" pageNumber="207" type="discussion">
|
||
<paragraph blockId="20.[136,1452,894,2087]" pageId="20" pageNumber="207">
|
||
<emphasis bold="true" box="[189,486,1356,1383]" pageId="20" pageNumber="207">Taxonomical remarks:—</emphasis>
|
||
<taxonomicName authority="Novais & Ector" authorityName="Novais & Ector" box="[486,940,1357,1383]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="duriense">
|
||
<emphasis box="[486,759,1357,1383]" italics="true" pageId="20" pageNumber="207">Achnanthidium duriense</emphasis>
|
||
Novais & Ector
|
||
</taxonomicName>
|
||
is the most similar species, however, it differs by having rapheless valves clearly lanceolate, and also by the higher stria density (
|
||
<quantity box="[1060,1118,1392,1419]" metricMagnitude="-1" metricUnit="m" metricValue="8.89" pageId="20" pageNumber="207" unit="in" value="35.0">35 in</quantity>
|
||
10 µm,
|
||
<bibRefCitation author="Novais, M. H. & Juttner, I. & Van de Vijver, B. & Morais, M. M. & Hoffmann, L. & Ector, L." box="[1212,1422,1392,1419]" pageId="20" pageNumber="207" pagination="101 - 139" refId="ref23506" refString="Novais, M. H., Juttner, I., Van de Vijver, B., Morais, M. M., Hoffmann, L. & Ector, L. (2015) Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal. Phytotaxa 224 (2): 101 - 139. https: // doi. org / 10.11646 / phytotaxa. 224.2.1" type="journal article" year="2015">
|
||
Novais
|
||
<emphasis box="[1298,1355,1392,1418]" italics="true" pageId="20" pageNumber="207">et al.</emphasis>
|
||
2015
|
||
</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph blockId="20.[136,1452,894,2087]" pageId="20" pageNumber="207">
|
||
<treatmentCitationGroup pageId="20" pageNumber="207">
|
||
<treatmentCitation author="Lange-Bertalot, H." box="[189,1006,1427,1453]" page=")" pageId="20" pageNumber="207" year="1999">
|
||
<taxonomicName authority="(Lange-Bertalot) Lange-Bertalot (1999: 273)" authorityName="Lange-Bertalot" authorityPageNumber="273" authorityYear="1999" baseAuthorityName="Lange-Bertalot" box="[189,1006,1427,1453]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="straubianum">
|
||
<emphasis box="[189,507,1427,1453]" italics="true" pageId="20" pageNumber="207">Achnanthidium straubianum</emphasis>
|
||
(Lange-Bertalot)
|
||
<bibRefCitation author="Lange-Bertalot, H." box="[703,1006,1427,1453]" pageId="20" pageNumber="207" refId="ref22244" refString="Lange-Bertalot, H. (1999) Neue Kombinationen von Taxa aus Achnanthes Bory (sensu lato). In: Lange-Bertalot, H. (Ed.), Iconographia Diatomologica. Annotated Diatom Micrographs. Vol. 6. Phytogeography - Diversity - Taxonomy. Koeltz Scientific Books, Konigstein, Germany, pp. 276 - 289." type="book" year="1999">Lange-Bertalot (1999: 273)</bibRefCitation>
|
||
</taxonomicName>
|
||
</treatmentCitation>
|
||
presented wider valves in the protologue (3.5–4 µm wide,
|
||
<bibRefCitation author="Lange-Bertalot, H. & Metzeltin, D." box="[333,717,1462,1488]" pageId="20" pageNumber="207" pagination="1 - 390" refId="ref22341" refString="Lange-Bertalot, H. & Metzeltin, D. (1996) Oligotrophie-Indikatoren. 800 Taxa reprasentativ fur drei diverse Seen-Typen. Kalkreich - Oligodysroph - Schwach gepuffertes Weichwasser [Indicators of oligotrophy. 800 taxa representative of three ecologically distinct lake types. Carbonate buffered - Oligodystrophic - Weakly buffered soft water]. Iconographia Diatomologica 2: 1 - 390." type="journal article" year="1996">Lange-Bertalot & Metzeltin 1996</bibRefCitation>
|
||
), compared to the isotype that has narrower valves (2.6–3.5 µm,
|
||
<bibRefCitation author="Hlubikova, D. & Ector, L. & Hoffmann, L." box="[136,390,1497,1524]" pageId="20" pageNumber="207" pagination="19 - 43" refId="ref21257" refString="Hlubikova, D., Ector, L. & Hoffmann, L. (2011) Examination of the type material of some diatom species related to Achnanthidium minutissimum (Kutz.) Czarn. (Bacillariophyceae). Algological Studies 136 / 137: 19 - 43. https: // doi. org / 10.1127 / 1864 - 1318 / 2011 / 0136 - 0019" type="journal article" year="2011">
|
||
Hlúbiková
|
||
<emphasis box="[263,321,1497,1523]" italics="true" pageId="20" pageNumber="207">et al.</emphasis>
|
||
2011
|
||
</bibRefCitation>
|
||
). However, even in the isotype illustrations it is possible to observe wider and shorter valves (ratio length/width 2.0–2.6, measured from the
|
||
<figureCitation box="[660,799,1533,1559]" captionStart-0="FIGURES 72–99" captionStart-1="FIGURES 100–116" captionStartId-0="13.[136,243,1741,1763]" captionStartId-1="14.[136,243,1738,1760]" captionTargetBox-0="[217,1375,410,1713]" captionTargetBox-1="[228,1362,569,1709]" captionTargetId-0="figure-144@13.[206,1382,410,1716]" captionTargetId-1="figure-187@14.[215,1371,569,1713]" captionTargetPageId-0="13" captionTargetPageId-1="14" captionText-0="FIGURES 72–99. LM and SEM images of Achnanthidium lusitanicum from Guarapiranga reservoir, São Paulo state (SP-428513). 72–83. LM views of raphe valves. 84–95. LM views of rapheless valves. 96, 97. SEM external view of raphe valves showing striation pattern, axial and central areas. 98. SEM external view of the rapheless valve showing striation pattern, axial and central areas. 99. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." captionText-1="FIGURES 100–116. LM and SEM images of Achnanthidium parvicapitatum sp. nov. from the type (SP-469524) from Santa Helena reservoir, São Paulo state. Figure 108 corresponds to the holotype. 100–105. LM views of raphe valves. 106–111. LM views of rapheless valves. 112. Girdle view of the new taxon. 113. SEM external view of raphe valve showing striation pattern, axial and central areas. 114. SEM internal view of the raphe and rapheless valves. 115. SEM external view of the rapheless valves showing striation pattern, axial and central areas, including the presence of two small punctuations on central area. 116. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi-0="http://doi.org/10.5281/zenodo.7431258" figureDoi-1="http://doi.org/10.5281/zenodo.7431260" httpUri-0="https://zenodo.org/record/7431258/files/figure.png" httpUri-1="https://zenodo.org/record/7431260/files/figure.png" pageId="20" pageNumber="207">
|
||
Figs
|
||
<quantity box="[715,799,1533,1559]" metricMagnitude="0" metricUnit="m" metricValue="2.2352" metricValueMax="2.6162" metricValueMin="1.8542" pageId="20" pageNumber="207" unit="in" value="88.0" valueMax="103.0" valueMin="73.0">73–103</quantity>
|
||
</figureCitation>
|
||
in
|
||
<bibRefCitation author="Hlubikova, D. & Ector, L. & Hoffmann, L." box="[832,1074,1533,1559]" pageId="20" pageNumber="207" pagination="19 - 43" refId="ref21257" refString="Hlubikova, D., Ector, L. & Hoffmann, L. (2011) Examination of the type material of some diatom species related to Achnanthidium minutissimum (Kutz.) Czarn. (Bacillariophyceae). Algological Studies 136 / 137: 19 - 43. https: // doi. org / 10.1127 / 1864 - 1318 / 2011 / 0136 - 0019" type="journal article" year="2011">
|
||
Hlúbiková
|
||
<emphasis box="[956,1011,1533,1559]" italics="true" pageId="20" pageNumber="207">et al.</emphasis>
|
||
2011
|
||
</bibRefCitation>
|
||
) than the species described herein (2.2–3.9).
|
||
<bibRefCitation author="Hlubikova, D. & Ector, L. & Hoffmann, L." box="[252,512,1568,1594]" pageId="20" pageNumber="207" pagination="19 - 43" refId="ref21257" refString="Hlubikova, D., Ector, L. & Hoffmann, L. (2011) Examination of the type material of some diatom species related to Achnanthidium minutissimum (Kutz.) Czarn. (Bacillariophyceae). Algological Studies 136 / 137: 19 - 43. https: // doi. org / 10.1127 / 1864 - 1318 / 2011 / 0136 - 0019" type="journal article" year="2011">
|
||
Hlúbiková
|
||
<emphasis box="[377,432,1568,1594]" italics="true" pageId="20" pageNumber="207">et al.</emphasis>
|
||
(2011)
|
||
</bibRefCitation>
|
||
stated the combination of length, width and striation pattern as a reliable criterion to separate
|
||
<taxonomicName authorityName="Lange-Bertalot" authorityYear="1999" baseAuthorityName="Lange-Bertalot" box="[235,408,1603,1629]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="straubianum">
|
||
<emphasis box="[235,408,1603,1629]" italics="true" pageId="20" pageNumber="207">A. straubianum</emphasis>
|
||
</taxonomicName>
|
||
from similar species.
|
||
</treatmentCitationGroup>
|
||
</paragraph>
|
||
<paragraph blockId="20.[136,1452,894,2087]" pageId="20" pageNumber="207">
|
||
Another taxon resembling
|
||
<emphasis box="[488,663,1639,1665]" italics="true" pageId="20" pageNumber="207">
|
||
<taxonomicName authority="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo, 2022" authorityName="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo" authorityYear="2022" box="[488,572,1639,1665]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="ritae" status="sp. nov.">A. ritae</taxonomicName>
|
||
<taxonomicNameLabel box="[578,663,1639,1664]" pageId="20" pageNumber="207" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is
|
||
<taxonomicName authority="(F. Meister) Novais & Juttner" authorityName="Novais & Juttner" baseAuthorityName="F. Meister" box="[694,1129,1638,1665]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="nanum">
|
||
<emphasis box="[694,801,1639,1665]" italics="true" pageId="20" pageNumber="207">A. nanum</emphasis>
|
||
(F.Meister) Novais & Jüttner
|
||
</taxonomicName>
|
||
(in
|
||
<bibRefCitation author="Novais, M. H. & Juttner, I. & Van de Vijver, B. & Morais, M. M. & Hoffmann, L. & Ector, L." box="[1174,1438,1638,1665]" pageId="20" pageNumber="207" pagination="101 - 139" refId="ref23506" refString="Novais, M. H., Juttner, I., Van de Vijver, B., Morais, M. M., Hoffmann, L. & Ector, L. (2015) Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal. Phytotaxa 224 (2): 101 - 139. https: // doi. org / 10.11646 / phytotaxa. 224.2.1" type="journal article" year="2015">
|
||
Novais
|
||
<emphasis box="[1260,1316,1638,1664]" italics="true" pageId="20" pageNumber="207">et al.</emphasis>
|
||
2015: 121
|
||
</bibRefCitation>
|
||
), a species described from
|
||
<collectingCountry box="[422,556,1673,1699]" name="Switzerland" pageId="20" pageNumber="207">Switzerland</collectingCountry>
|
||
(
|
||
<bibRefCitation author="Meister, F." box="[571,727,1673,1700]" pageId="20" pageNumber="207" pagination="87 - 108" refId="ref22955" refString="Meister, F. (1935) Seltene und neue Kieselalgen. Bericht der Schweizerischen Botanischen Gesellschaft 44: 87 - 108." type="journal article" year="1935">Meister 1935</bibRefCitation>
|
||
).
|
||
<taxonomicName box="[747,1002,1673,1699]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="nanum">
|
||
<emphasis box="[747,1002,1673,1699]" italics="true" pageId="20" pageNumber="207">Achnanthidium nanum</emphasis>
|
||
</taxonomicName>
|
||
presents a different valve outline in the illustrations of the protologue and
|
||
<typeStatus box="[519,567,1709,1735]" pageId="20" pageNumber="207">type</typeStatus>
|
||
material reevaluated in
|
||
<bibRefCitation author="Novais, M. H. & Juttner, I. & Van de Vijver, B. & Morais, M. M. & Hoffmann, L. & Ector, L." box="[834,1059,1708,1735]" pageId="20" pageNumber="207" pagination="101 - 139" refId="ref23506" refString="Novais, M. H., Juttner, I., Van de Vijver, B., Morais, M. M., Hoffmann, L. & Ector, L. (2015) Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal. Phytotaxa 224 (2): 101 - 139. https: // doi. org / 10.11646 / phytotaxa. 224.2.1" type="journal article" year="2015">
|
||
Novais
|
||
<emphasis box="[920,976,1709,1735]" italics="true" pageId="20" pageNumber="207">et al.</emphasis>
|
||
(2015)
|
||
</bibRefCitation>
|
||
. It also has linear-lanceolate valves differing from the linear-elliptic valves of
|
||
<taxonomicName authority="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo, 2022" authorityName="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo" authorityYear="2022" box="[616,702,1744,1770]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="ritae" status="sp. nov.">
|
||
<emphasis box="[616,702,1744,1770]" italics="true" pageId="20" pageNumber="207">A. ritae</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[710,797,1744,1770]" pageId="20" pageNumber="207" rank="species">
|
||
<emphasis box="[710,790,1745,1770]" italics="true" pageId="20" pageNumber="207">sp. nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
Also, the species present different areolae shapes and the central area of our specimens is often absent while it is clearly visible in
|
||
<taxonomicName box="[951,1058,1779,1805]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="nanum">
|
||
<emphasis box="[951,1058,1779,1805]" italics="true" pageId="20" pageNumber="207">A. nanum</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph blockId="20.[136,1452,894,2087]" pageId="20" pageNumber="207">
|
||
Two species recently described from
|
||
<collectingCountry box="[610,681,1815,1841]" name="South Korea" pageId="20" pageNumber="207">Korea</collectingCountry>
|
||
,
|
||
<taxonomicName authority="M. Miao" authorityName="M. Miao" box="[693,1031,1814,1840]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="ovale">
|
||
<emphasis box="[693,932,1814,1840]" italics="true" pageId="20" pageNumber="207">Achnanthidium ovale</emphasis>
|
||
M.Miao
|
||
</taxonomicName>
|
||
& B.-H.Kim (in
|
||
<bibRefCitation author="Miao, M. & Li, Z. & Hwang, E. - A. & Kim, H. - K. & Lee, H. & Kim, B. - H." box="[1226,1442,1814,1841]" pageId="20" pageNumber="207" pagination="285" refId="ref22978" refString="Miao, M., Li, Z., Hwang, E. - A., Kim, H. - K., Lee, H. & Kim, B. - H. (2020) Two new benthic diatoms of the genus Achnanthidium (Bacillariophyceae) from the Hangang River, Korea. Diversity 12 (7): 285. https: // doi. org / 10.3390 / d 12070285" type="journal article" year="2020">
|
||
Miao
|
||
<emphasis box="[1292,1349,1814,1840]" italics="true" pageId="20" pageNumber="207">et al.</emphasis>
|
||
2020: 5
|
||
</bibRefCitation>
|
||
) and
|
||
<taxonomicName authority="M. Miao" authorityName="M. Miao" box="[185,575,1849,1875]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="cavitatum">
|
||
<emphasis box="[185,475,1849,1875]" italics="true" pageId="20" pageNumber="207">Achnanthidium cavitatum</emphasis>
|
||
M.Miao
|
||
</taxonomicName>
|
||
& B.-H.Kim (in
|
||
<bibRefCitation author="Miao, M. & Li, Z. & Hwang, E. - A. & Kim, H. - K. & Lee, H. & Kim, B. - H." box="[774,997,1849,1876]" pageId="20" pageNumber="207" pagination="285" refId="ref22978" refString="Miao, M., Li, Z., Hwang, E. - A., Kim, H. - K., Lee, H. & Kim, B. - H. (2020) Two new benthic diatoms of the genus Achnanthidium (Bacillariophyceae) from the Hangang River, Korea. Diversity 12 (7): 285. https: // doi. org / 10.3390 / d 12070285" type="journal article" year="2020">
|
||
Miao
|
||
<emphasis box="[842,900,1849,1875]" italics="true" pageId="20" pageNumber="207">et al.</emphasis>
|
||
2020: 7
|
||
</bibRefCitation>
|
||
), also can be compared to the Brazilian species.
|
||
<taxonomicName box="[232,471,1885,1911]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="ovale">
|
||
<emphasis box="[232,471,1885,1911]" italics="true" pageId="20" pageNumber="207">Achnanthidium ovale</emphasis>
|
||
</taxonomicName>
|
||
has a more elliptic valve outline, wider valves (3.8–4.1 µm) and a greater stria density (
|
||
<quantity box="[144,246,1920,1947]" metricMagnitude="-1" metricUnit="m" metricValue="8.254999999999999" metricValueMax="8.89" metricValueMin="7.62" pageId="20" pageNumber="207" unit="in" value="32.5" valueMax="35.0" valueMin="30.0">30–35 in</quantity>
|
||
10 µm). The ultrastructural differences, such as the terminal raphe fissures strongly bent to the same side in the Korean taxon, are another notable feature (
|
||
<bibRefCitation author="Miao, M. & Li, Z. & Hwang, E. - A. & Kim, H. - K. & Lee, H. & Kim, B. - H." box="[711,912,1955,1981]" pageId="20" pageNumber="207" pagination="285" refId="ref22978" refString="Miao, M., Li, Z., Hwang, E. - A., Kim, H. - K., Lee, H. & Kim, B. - H. (2020) Two new benthic diatoms of the genus Achnanthidium (Bacillariophyceae) from the Hangang River, Korea. Diversity 12 (7): 285. https: // doi. org / 10.3390 / d 12070285" type="journal article" year="2020">
|
||
Miao
|
||
<emphasis box="[782,841,1955,1981]" italics="true" pageId="20" pageNumber="207">et al.</emphasis>
|
||
2020
|
||
</bibRefCitation>
|
||
).
|
||
<taxonomicName box="[933,1224,1955,1981]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="cavitatum">
|
||
<emphasis box="[933,1224,1955,1981]" italics="true" pageId="20" pageNumber="207">Achnanthidium cavitatum</emphasis>
|
||
</taxonomicName>
|
||
is similar in that it has linear-elliptic valves; however, the main difference from
|
||
<emphasis box="[830,1010,1991,2017]" italics="true" pageId="20" pageNumber="207">
|
||
<taxonomicName authority="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo, 2022" authorityName="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo" authorityYear="2022" box="[830,916,1991,2017]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="ritae" status="sp. nov.">A. ritae</taxonomicName>
|
||
<taxonomicNameLabel box="[924,1010,1991,2016]" pageId="20" pageNumber="207" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is the wider axial area observed in the rapheless valve (
|
||
<bibRefCitation author="Miao, M. & Li, Z. & Hwang, E. - A. & Kim, H. - K. & Lee, H. & Kim, B. - H." box="[324,518,2025,2052]" pageId="20" pageNumber="207" pagination="285" refId="ref22978" refString="Miao, M., Li, Z., Hwang, E. - A., Kim, H. - K., Lee, H. & Kim, B. - H. (2020) Two new benthic diatoms of the genus Achnanthidium (Bacillariophyceae) from the Hangang River, Korea. Diversity 12 (7): 285. https: // doi. org / 10.3390 / d 12070285" type="journal article" year="2020">
|
||
Miao
|
||
<emphasis box="[392,449,2025,2051]" italics="true" pageId="20" pageNumber="207">et al.</emphasis>
|
||
2020
|
||
</bibRefCitation>
|
||
).
|
||
<taxonomicName box="[537,826,2025,2051]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="20" pageNumber="207" phylum="Bacillariophyta" rank="species" species="cavitatum">
|
||
<emphasis box="[537,826,2025,2051]" italics="true" pageId="20" pageNumber="207">Achnanthidium cavitatum</emphasis>
|
||
</taxonomicName>
|
||
also has slightly wider valves (3.0–3.5 µm,
|
||
<bibRefCitation author="Miao, M. & Li, Z. & Hwang, E. - A. & Kim, H. - K. & Lee, H. & Kim, B. - H." pageId="20" pageNumber="207" pagination="285" refId="ref22978" refString="Miao, M., Li, Z., Hwang, E. - A., Kim, H. - K., Lee, H. & Kim, B. - H. (2020) Two new benthic diatoms of the genus Achnanthidium (Bacillariophyceae) from the Hangang River, Korea. Diversity 12 (7): 285. https: // doi. org / 10.3390 / d 12070285" type="journal article" year="2020">
|
||
Miao
|
||
<emphasis box="[1395,1452,2025,2051]" italics="true" pageId="20" pageNumber="207">et al.</emphasis>
|
||
2020
|
||
</bibRefCitation>
|
||
) than our population.
|
||
</paragraph>
|
||
<paragraph blockId="21.[136,1452,158,466]" pageId="21" pageNumber="208">
|
||
Furthermore,
|
||
<taxonomicName authority="Potapova & Ponader (2004: 36)" authorityName="Potapova & Ponader" authorityPageNumber="36" authorityYear="2004" box="[348,1005,158,185]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="21" pageNumber="208" phylum="Bacillariophyta" rank="species" species="rivulare">
|
||
<emphasis box="[348,619,158,184]" italics="true" pageId="21" pageNumber="208">Achnanthidium rivulare</emphasis>
|
||
<bibRefCitation author="Potapova, M. G. & Ponader, K. C." box="[631,1005,158,185]" pageId="21" pageNumber="208" pagination="33 - 57" refId="ref24158" refString="Potapova, M. G. & Ponader, K. C. (2004) Two common North American diatoms, Achnanthidium rivulare sp. nov. and A. deflexum (Reimer) Kingston: morphology, ecology and comparison with related species. Diatom Research 19 (1): 33 - 57. https: // doi. org / 10.1080 / 0269249 X. 2004.9705606" type="journal article" year="2004">Potapova & Ponader (2004: 36)</bibRefCitation>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName authority="(Hustedt) Ponader & Potapova" authorityName="Ponader & Potapova" baseAuthorityName="Hustedt" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="21" pageNumber="208" phylum="Bacillariophyta" rank="species" species="crassum">
|
||
<emphasis box="[1069,1197,159,185]" italics="true" pageId="21" pageNumber="208">A. crassum</emphasis>
|
||
(Hustedt) Ponader & Potapova
|
||
</taxonomicName>
|
||
(in
|
||
<bibRefCitation author="Potapova, M. G. & Ponader, K. C." box="[290,637,193,220]" pageId="21" pageNumber="208" pagination="33 - 57" refId="ref24158" refString="Potapova, M. G. & Ponader, K. C. (2004) Two common North American diatoms, Achnanthidium rivulare sp. nov. and A. deflexum (Reimer) Kingston: morphology, ecology and comparison with related species. Diatom Research 19 (1): 33 - 57. https: // doi. org / 10.1080 / 0269249 X. 2004.9705606" type="journal article" year="2004">Potapova & Ponader 2004: 38</bibRefCitation>
|
||
) differ from
|
||
<emphasis box="[789,972,194,220]" italics="true" pageId="21" pageNumber="208">
|
||
<taxonomicName authority="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo, 2022" authorityName="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo" authorityYear="2022" box="[789,875,194,220]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="21" pageNumber="208" phylum="Bacillariophyta" rank="species" species="ritae" status="sp. nov.">A. ritae</taxonomicName>
|
||
<taxonomicNameLabel box="[884,972,194,219]" pageId="21" pageNumber="208" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
in their linear-lanceolate axial area in the raphe valve, unilaterally deflected terminal raphe fissures and wider valves (2.6–4.4 µm and 3–4.5 µm respectively,
|
||
<bibRefCitation author="Potapova, M. G. & Ponader, K. C." box="[136,436,264,290]" pageId="21" pageNumber="208" pagination="33 - 57" refId="ref24158" refString="Potapova, M. G. & Ponader, K. C. (2004) Two common North American diatoms, Achnanthidium rivulare sp. nov. and A. deflexum (Reimer) Kingston: morphology, ecology and comparison with related species. Diatom Research 19 (1): 33 - 57. https: // doi. org / 10.1080 / 0269249 X. 2004.9705606" type="journal article" year="2004">Potapova & Ponader 2004</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="21" pageNumber="208" type="distribution">
|
||
<paragraph blockId="21.[136,1452,158,466]" pageId="21" pageNumber="208">
|
||
<emphasis bold="true" box="[189,690,299,325]" pageId="21" pageNumber="208">Distribution and ecological information:—</emphasis>
|
||
<emphasis box="[690,1004,299,325]" italics="true" pageId="21" pageNumber="208">
|
||
<taxonomicName authority="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo, 2022" authorityName="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo" authorityYear="2022" box="[690,918,299,325]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="21" pageNumber="208" phylum="Bacillariophyta" rank="species" species="ritae" status="sp. nov.">Achnanthidium ritae</taxonomicName>
|
||
<taxonomicNameLabel box="[922,1004,300,325]" pageId="21" pageNumber="208" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
was found in 8 % of the counted samples, mainly occurring in periphytic samples (highest abundance: 14 % in SP-427904) with an ecological preference for alkaline (pH optimum of 7.9), high cond. (optimum of 182.4 μS∙
|
||
<superScript attach="left" box="[853,903,369,396]" fontSize="6" pageId="21" pageNumber="208">cm-1</superScript>
|
||
) and mesotrophic water conditions (TP optimum of 41.1 μg∙L-
|
||
<superScript attach="right" box="[283,290,404,418]" fontSize="6" pageId="21" pageNumber="208">1</superScript>
|
||
and TN optimum 1306.2 μg∙L-
|
||
<superScript attach="right" box="[640,647,404,418]" fontSize="6" pageId="21" pageNumber="208">1</superScript>
|
||
). It also presented a wide tolerance and was found to occur in oligo- to eutrophic waters.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |