268 lines
40 KiB
XML
268 lines
40 KiB
XML
<document id="4D2F3747CD194DE8FDFF3403FCBB6A9B" ID-CLB-Dataset="5577" ID-DOI="10.11646/phytotaxa.127.1.8" ID-GBIF-Dataset="84eadb24-4c2c-4317-b068-c12776220192" ID-ISSN="1179-3163" ID-Zenodo-Dep="5085461" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1625839043136" checkinUser="felipe" docAuthor="Enache, Mihaela D., Potapova, Marina, Sheibley, Rich & Moran, Patrick" docDate="2013" docId="8A231246FFE9FFA9B6932EE5FD75FCC5" docLanguage="en" docName="Phytotaxa.127.1.49-57.pdf" docOrigin="Phytotaxa 127 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.127.1.8" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Psammothidium alpinum Potapova & Enache 2013, sp. nov." docType="treatment" docVersion="6" lastPageNumber="53" masterDocId="761A6A3EFFEDFFADB6042C39FFF0FB70" masterDocTitle="Three new Psammothidium species from lakes of Olympic and Cascade Mountains in Washington State, USA" masterLastPageNumber="57" masterPageNumber="49" pageNumber="53" updateTime="1699026925715" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="0CE418A26CA0444B91BFA3373AB50529">Three new Psammothidium species from lakes of Olympic and Cascade Mountains in Washington State, USA</mods:title>
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<mods:name id="445CEDC1B8760076A155AF2DA6AED8E6" type="personal">
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<mods:namePart id="1069CD5243CD3FECD16376F6B72A99F8">Enache, Mihaela D.</mods:namePart>
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<mods:affiliation id="3C4CB186D2EFC58947E882FDCFFD1389">Academy of Natural Sciences, 1900 Benjamin Franklin Parkway, Philadelphia, PA, 19103</mods:affiliation>
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<mods:namePart id="23EFCB5B01A134B22C663DEBB6A27536">Potapova, Marina</mods:namePart>
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<mods:affiliation id="3A00DA09790A640499E8501CF4D90B05">Academy of Natural Sciences, 1900 Benjamin Franklin Parkway, Philadelphia, PA, 19103</mods:affiliation>
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<mods:namePart id="D40F804B063DCC5080F9B064D5D43962">Sheibley, Rich</mods:namePart>
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<mods:affiliation id="E8C8CB0DA8209D3D94B2850FB1AAD8FA">U. S. Geological Survey, Washington Water Science Center, 934 Broadway, Suite 300, Tacoma, WA 98402</mods:affiliation>
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<mods:namePart id="BA0CD4CEB27C2F5C9C9FFC066D2877BC">Moran, Patrick</mods:namePart>
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<mods:affiliation id="05937392883CA2E0AD7F02BB1DE7CEEF">U. S. Geological Survey, Washington Water Science Center, 934 Broadway, Suite 300, Tacoma, WA 98402</mods:affiliation>
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<mods:title id="0DDB3CF9E92C4E4C22B1C29731FC9702">Phytotaxa</mods:title>
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<mods:date id="4F0EA31546B64980286911F123B1620C">2013</mods:date>
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<mods:number id="4F249BEFDEA626B77DCD423C7FE0B1C2">2013-08-29</mods:number>
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<treatment id="8A231246FFE9FFA9B6932EE5FD75FCC5" ID-DOI="http://doi.org/10.5281/zenodo.5085465" ID-GBIF-Taxon="183410321" ID-Zenodo-Dep="5085465" LSID="urn:lsid:plazi:treatment:8A231246FFE9FFA9B6932EE5FD75FCC5" httpUri="http://treatment.plazi.org/id/8A231246FFE9FFA9B6932EE5FD75FCC5" lastPageNumber="53" pageId="4" pageNumber="53">
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<subSubSection id="4A90F0DBFFE9FFA9B6932EE5FAC8F8D0" pageId="4" pageNumber="53" type="nomenclature">
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<paragraph id="0235A350FFE9FFA9B6932EE5FC00F986" blockId="4.[151,1008,732,758]" box="[151,1008,732,758]" pageId="4" pageNumber="53">
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<heading id="597D143CFFE9FFA9B6932EE5FC00F986" box="[151,1008,732,758]" fontSize="11" level="2" pageId="4" pageNumber="53" reason="3">
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<taxonomicName id="C58AD8D3FFE9FFA9B6932EE5FD41F986" authority="Potapova & Enache" authorityName="Potapova & Enache" authorityYear="2013" box="[151,689,732,758]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Psammothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="4" pageNumber="53" phylum="Bacillariophyta" rank="species" species="alpinum" status="sp. nov.">
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<emphasis id="30FE7F42FFE9FFA9B6932EE5FE35F986" bold="true" box="[151,453,732,758]" italics="true" pageId="4" pageNumber="53">Psammothidium alpinum</emphasis>
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Potapova & Enache
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</taxonomicName>
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<taxonomicNameLabel id="2BCDC239FFE9FFA9B4B32EE5FCE0F986" box="[695,784,732,758]" pageId="4" pageNumber="53" rank="species">
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<emphasis id="30FE7F42FFE9FFA9B4B32EE5FCF9F985" box="[695,777,732,757]" italics="true" pageId="4" pageNumber="53">sp. nov</emphasis>
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.
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</taxonomicNameLabel>
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(
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<figureCitation id="9AB1BFD5FFE9FFA9B51B2EE5FC63F986" box="[799,915,732,758]" captionStart="FIGURES 1–21" captionStartId="3.[151,259,1929,1951]" captionTargetBox="[187,1403,537,1903]" captionTargetId="figure-233@3.[187,1404,537,1903]" captionTargetPageId="3" captionText="FIGURES 1–21: LM micrographs of Psammothidium species from Snow Lake, Washington Cascades. Figs 1–8. Psammothidium lacustre sp. nov. Figs 1–2. Holotype specimen, slide ANSP GC64860. Figs 9–21. Psammothidium alpinum sp. nov. Figs 9–10. Holotype specimen, slide ANSP GC64862. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.5085463" httpUri="https://zenodo.org/record/5085463/files/figure.png" pageId="4" pageNumber="53">Figs 9–21</figureCitation>
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,
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||
<figureCitation id="9AB1BFD5FFE9FFA9B5A42EE5FC18F986" box="[928,1000,732,758]" captionStart="FIGURES 40–44" captionStartId="6.[151,258,1909,1931]" captionTargetBox="[372,1214,1010,1886]" captionTargetId="figure-188@6.[372,1214,1010,1886]" captionTargetPageId="6" captionText="FIGURES 40–44: Psammothidium alpinum sp. nov., SEM. Figs 40–42. Type material, Snow Lake, sample ANSP WACA019 Fig. 40. External view of raphe valve. Fig. 41. Internal view of raphe valve. Fig. 42. External view of rapheless valve. Fig. 43. Internal view of rapheless valve, Hidden Lake NOCA, sample ANSP WACA018. Fig. 44. Areolae on the internal surface of the valve, Snow Lake, sample ANSP WACA001. Scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.5085475" httpUri="https://zenodo.org/record/5085475/files/figure.png" pageId="4" pageNumber="53">40–44</figureCitation>
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)
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</heading>
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</paragraph>
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<paragraph id="0235A350FFE9FFA9B6932F10FAC8F8D0" blockId="4.[151,1437,809,928]" pageId="4" pageNumber="53">
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<emphasis id="30FE7F42FFE9FFA9B6932F10FAC8F8D0" italics="true" pageId="4" pageNumber="53">
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Valvae linearae ellipticae, ovalis,
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<quantity id="C5720EB5FFE9FFA9B4032F10FD70F830" box="[519,640,809,832]" metricMagnitude="-3" metricUnit="m" metricValue="7.699999999999999" metricValueMax="9.1" metricValueMin="6.3" pageId="4" pageNumber="53" unit="mm" value="7.699999999999999" valueMax="9.1" valueMin="6.3">6.3–9.1 µm</quantity>
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latae,
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<quantity id="C5720EB5FFE9FFA9B4C82F10FCBCF830" box="[716,844,809,832]" metricMagnitude="-2" metricUnit="m" metricValue="2.23" metricValueMax="3.0" metricValueMin="1.46" pageId="4" pageNumber="53" unit="mm" value="22.3" valueMax="30.0" valueMin="14.6">14.6–30 µm</quantity>
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longae. Raphovalva cum area axialis angusta linearis versus, area centralis rectagularis. Raphe recta poris centralibus unciformis, termini distale punctiformis. Araphovalva cum area axialis angusta, area centralis circularis, irregularis, 1/2 valvae lata. Striae transapicales paulo radiatae,
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cum striae breviores intercalares. Areolae rotundae, grossae,
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<quantity id="C5720EB5FFE9FFA9B2B52FB0FB18F8D0" box="[1201,1256,905,928]" metricMagnitude="-1" metricUnit="m" metricValue="6.35" pageId="4" pageNumber="53" unit="in" value="25.0">25 in</quantity>
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.
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</emphasis>
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</paragraph>
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</subSubSection>
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<subSubSection id="4A90F0DBFFE9FFA9B6932FF0FBC4FF10" pageId="4" pageNumber="53" type="description">
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<paragraph id="0235A350FFE9FFA9B6932FF0FBC4FF10" blockId="4.[151,1436,969,1120]" pageId="4" pageNumber="53">
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Valves linear-elliptic to oval,
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wide,
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<quantity id="C5720EB5FFE9FFA9B4BC2FF0FCCEF890" box="[696,830,969,992]" metricMagnitude="-2" metricUnit="m" metricValue="2.23" metricValueMax="3.0" metricValueMin="1.46" pageId="4" pageNumber="53" unit="mm" value="22.3" valueMax="30.0" valueMin="14.6">14.6–30 µm</quantity>
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long. Raphe valve with narrow linear axial area and rectangular-irregular central area. Raphe straight with hook-like proximal pores, drop-shaped distal endings (
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<figureCitation id="9AB1BFD5FFE9FFA9B3682FD0FE59FF50" captionStart="FIGURES 1–21" captionStartId="3.[151,259,1929,1951]" captionTargetBox="[187,1403,537,1903]" captionTargetId="figure-233@3.[187,1404,537,1903]" captionTargetPageId="3" captionText="FIGURES 1–21: LM micrographs of Psammothidium species from Snow Lake, Washington Cascades. Figs 1–8. Psammothidium lacustre sp. nov. Figs 1–2. Holotype specimen, slide ANSP GC64860. Figs 9–21. Psammothidium alpinum sp. nov. Figs 9–10. Holotype specimen, slide ANSP GC64862. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.5085463" httpUri="https://zenodo.org/record/5085463/files/figure.png" pageId="4" pageNumber="53">Figs 10, 11, 13, 15, 16, 20</figureCitation>
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). Rapheless valve with narrow axial area, irregular, rounded central area, occupying about ½ of valve breadth (
|
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<figureCitation id="9AB1BFD5FFE9FFA9B76B2810FD66FF30" box="[367,662,1065,1088]" captionStart="FIGURES 1–21" captionStartId="3.[151,259,1929,1951]" captionTargetBox="[187,1403,537,1903]" captionTargetId="figure-233@3.[187,1404,537,1903]" captionTargetPageId="3" captionText="FIGURES 1–21: LM micrographs of Psammothidium species from Snow Lake, Washington Cascades. Figs 1–8. Psammothidium lacustre sp. nov. Figs 1–2. Holotype specimen, slide ANSP GC64860. Figs 9–21. Psammothidium alpinum sp. nov. Figs 9–10. Holotype specimen, slide ANSP GC64862. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.5085463" httpUri="https://zenodo.org/record/5085463/files/figure.png" pageId="4" pageNumber="53">Figs 9, 12, 14, 17–19, 21</figureCitation>
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||
). Transapical striae slightly radiate,
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<quantity id="C5720EB5FFE9FFA9B2342810FB63FF30" box="[1072,1171,1065,1088]" metricMagnitude="-1" metricUnit="m" metricValue="5.968999999999999" metricValueMax="6.35" metricValueMin="5.588" pageId="4" pageNumber="53" unit="in" value="23.5" valueMax="25.0" valueMin="22.0">22–25 in</quantity>
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, with shortened marginal striae present (figs 41, 43). Areolae coarse, round,
|
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<quantity id="C5720EB5FFE9FFA9B54C2870FC8EFF10" box="[840,894,1097,1120]" metricMagnitude="-1" metricUnit="m" metricValue="6.35" pageId="4" pageNumber="53" unit="in" value="25.0">25 in</quantity>
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<quantity id="C5720EB5FFE9FFA9B5812870FC39FF10" box="[901,969,1097,1120]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="4" pageNumber="53" unit="mm" value="10.0">10 µm</quantity>
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(
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<figureCitation id="9AB1BFD5FFE9FFA9B5DC2870FBD9FF10" box="[984,1065,1097,1120]" captionStart="FIGURES 40–44" captionStartId="6.[151,258,1909,1931]" captionTargetBox="[372,1214,1010,1886]" captionTargetId="figure-188@6.[372,1214,1010,1886]" captionTargetPageId="6" captionText="FIGURES 40–44: Psammothidium alpinum sp. nov., SEM. Figs 40–42. Type material, Snow Lake, sample ANSP WACA019 Fig. 40. External view of raphe valve. Fig. 41. Internal view of raphe valve. Fig. 42. External view of rapheless valve. Fig. 43. Internal view of rapheless valve, Hidden Lake NOCA, sample ANSP WACA018. Fig. 44. Areolae on the internal surface of the valve, Snow Lake, sample ANSP WACA001. Scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.5085475" httpUri="https://zenodo.org/record/5085475/files/figure.png" pageId="4" pageNumber="53">Fig. 44</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="4A90F0DBFFE9FFA9B69328B0FB47FE70" pageId="4" pageNumber="53" type="materials_examined">
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<paragraph id="0235A350FFE9FFA9B69328B0FB47FE70" blockId="4.[151,1436,1161,1280]" pageId="4" pageNumber="53">
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<emphasis id="30FE7F42FFE9FFA9B69328B0FF02FFD0" bold="true" box="[151,242,1161,1184]" pageId="4" pageNumber="53">Type:—</emphasis>
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<materialsCitation id="B2E2A90DFFE9FFA9B6F628B0FB42FE70" ID-GBIF-Occurrence="3320045302" collectingDate="2009-10-07" collectionCode="ANSP, CANA" country="United States of America" elevation="10" latitude="46.7576" location="Snow Lake" longLatPrecision="5" longitude="-121.69825" municipality="Cascade Mountains" pageId="4" pageNumber="53" specimenCode="WACA019, GC64862, GC64863" specimenCount="1" stateProvince="Washington" typeStatus="holotype">
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<collectingCountry id="7A9DE3C0FFE9FFA9B6F628B0FEDBFFD0" box="[242,299,1161,1184]" name="United States of America" pageId="4" pageNumber="53">USA</collectingCountry>
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.
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<collectingRegion id="C04E6DB2FFE9FFA9B73328B0FE4AFFD0" box="[311,442,1161,1184]" country="United States of America" name="Washington" pageId="4" pageNumber="53">Washington</collectingRegion>
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:
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<collectingMunicipality id="E251392AFFE9FFA9B7C328B0FD6FFFD0" box="[455,671,1161,1184]" pageId="4" pageNumber="53">Cascade Mountains</collectingMunicipality>
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,
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<location id="0755F58BFFE9FFA9B4A828B0FCDAFFD0" LSID="urn:lsid:plazi:treatment:8A231246FFE9FFA9B6932EE5FD75FCC5:0755F58BFFE9FFA9B4A828B0FCDAFFD0" box="[684,810,1161,1184]" country="United States of America" latitude="46.7576" longLatPrecision="5" longitude="-121.69825" municipality="Cascade Mountains" name="Snow Lake" pageId="4" pageNumber="53" stateProvince="Washington">Snow Lake</location>
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,
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<geoCoordinate id="67BEC597FFE9FFA9B53C28B0FC49FFD0" box="[824,953,1161,1184]" degrees="46.7576" direction="north" orientation="latitude" pageId="4" pageNumber="53" precision="5" value="46.7576">46.7576° N</geoCoordinate>
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,
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, lake sediment (2–2.5-cm depth core interval; lake maximum depth
|
||
<quantity id="C5720EB5FFE9FFA9B4A12890FD08FFB0" box="[677,760,1193,1216]" metricMagnitude="0" metricUnit="m" metricValue="9.75" pageId="4" pageNumber="53" unit="m" value="9.75">
|
||
<elevation id="89A74463FFE9FFA9B4A12890FD08FFB0" box="[677,760,1193,1216]" metricMagnitude="0" metricUnit="m" metricValue="9.75" pageId="4" pageNumber="53" unit="m" value="9.75">9.75 m</elevation>
|
||
</quantity>
|
||
), collected
|
||
<date id="76348590FFE9FFA9B5792890FBCEFFB0" box="[893,1086,1193,1216]" pageId="4" pageNumber="53" value="2009-10-07">
|
||
<collectingDate id="66707C78FFE9FFA9B5792890FBCEFFB0" box="[893,1086,1193,1216]" pageId="4" pageNumber="53" value="2009-10-07">07 October 2009</collectingDate>
|
||
</date>
|
||
, collection
|
||
<emphasis id="30FE7F42FFE9FFA9B2C72890FAC1FFB0" box="[1219,1329,1193,1216]" italics="true" pageId="4" pageNumber="53">
|
||
<specimenCode id="522C0B2BFFE9FFA9B2C72890FAC1FFB0" box="[1219,1329,1193,1216]" collectionCode="WACA" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34575" name="Walnut Canyon National Monument" pageId="4" pageNumber="53">WACA019</specimenCode>
|
||
</emphasis>
|
||
, (Circled specimen (
|
||
<figureCitation id="9AB1BFD5FFE9FFA9B73B28F0FE47FF90" box="[319,439,1225,1248]" captionStart="FIGURES 1–21" captionStartId="3.[151,259,1929,1951]" captionTargetBox="[187,1403,537,1903]" captionTargetId="figure-233@3.[187,1404,537,1903]" captionTargetPageId="3" captionText="FIGURES 1–21: LM micrographs of Psammothidium species from Snow Lake, Washington Cascades. Figs 1–8. Psammothidium lacustre sp. nov. Figs 1–2. Holotype specimen, slide ANSP GC64860. Figs 9–21. Psammothidium alpinum sp. nov. Figs 9–10. Holotype specimen, slide ANSP GC64862. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.5085463" httpUri="https://zenodo.org/record/5085463/files/figure.png" pageId="4" pageNumber="53">Figs 9, 10</figureCitation>
|
||
) on slide
|
||
<emphasis id="30FE7F42FFE9FFA9B43528F0FC65FF90" box="[561,917,1225,1248]" italics="true" pageId="4" pageNumber="53">
|
||
<specimenCode id="522C0B2BFFE9FFA9B43528F0FD6BFF90" box="[561,667,1225,1248]" collectionCode="GC" country="0" name="Goucher College" pageId="4" pageNumber="53">GC64862</specimenCode>
|
||
, accession #
|
||
<specimenCode id="522C0B2BFFE9FFA9B52B28F0FC65FF90" box="[815,917,1225,1248]" collectionCode="GC" country="0" name="Goucher College" pageId="4" pageNumber="53">GC64862</specimenCode>
|
||
</emphasis>
|
||
(
|
||
<collectionCode id="649B3B95FFE9FFA9B5AD28F0FC05FF90" box="[937,1013,1225,1248]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="4" pageNumber="53">ANSP</collectionCode>
|
||
!),
|
||
<emphasis id="30FE7F42FFE9FFA9B21728F0FACFFF90" bold="true" box="[1043,1343,1225,1248]" pageId="4" pageNumber="53">
|
||
<typeStatus id="DD311DF2FFE9FFA9B21728F0FB86FF90" box="[1043,1142,1225,1248]" pageId="4" pageNumber="53" type="holotype">holotype</typeStatus>
|
||
, designated here
|
||
</emphasis>
|
||
; circled specimens on slide
|
||
<emphasis id="30FE7F42FFE9FFA9B79328D0FE0FFE70" box="[407,511,1257,1280]" italics="true" pageId="4" pageNumber="53">
|
||
<specimenCode id="522C0B2BFFE9FFA9B79328D0FE0FFE70" box="[407,511,1257,1280]" collectionCode="GC" country="0" name="Goucher College" pageId="4" pageNumber="53">GC64863</specimenCode>
|
||
</emphasis>
|
||
(
|
||
<collectionCode id="649B3B95FFE9FFA9B40928D0FDA9FE70" box="[525,601,1257,1280]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="4" pageNumber="53">ANSP</collectionCode>
|
||
!) and slide
|
||
<emphasis id="30FE7F42FFE9FFA9B4D528D0FCE4FE70" box="[721,788,1257,1280]" italics="true" pageId="4" pageNumber="53">84223</emphasis>
|
||
(
|
||
<collectionCode id="649B3B95FFE9FFA9B52628D0FC87FE70" box="[802,887,1257,1280]" pageId="4" pageNumber="53">CANA</collectionCode>
|
||
!),
|
||
<emphasis id="30FE7F42FFE9FFA9B58928D0FB57FE70" bold="true" box="[909,1191,1257,1280]" pageId="4" pageNumber="53">isotypes, designated here</emphasis>
|
||
)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="4A90F0DBFFE9FFA9B6932916FD75FCC5" pageId="4" pageNumber="53" type="etymology">
|
||
<paragraph id="0235A350FFE9FFA9B6932916FAAFFE3A" blockId="4.[151,1440,1327,1973]" box="[151,1375,1327,1354]" pageId="4" pageNumber="53">
|
||
<emphasis id="30FE7F42FFE9FFA9B6932916FED7FE39" bold="true" box="[151,295,1327,1353]" pageId="4" pageNumber="53">Etymology:</emphasis>
|
||
—specific epithet refers to the occurrence of the new species in alpine, high elevation lakes.
|
||
</paragraph>
|
||
<paragraph id="0235A350FFE9FFA9B6C2296CFA8CFC17" blockId="4.[151,1440,1327,1973]" pageId="4" pageNumber="53">
|
||
<taxonomicName id="C58AD8D3FFE9FFA9B6C2296CFE1BFE1F" authorityName="Potapova & Enache" authorityYear="2013" box="[198,491,1365,1391]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Psammothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="4" pageNumber="53" phylum="Bacillariophyta" rank="species" species="alpinum">
|
||
<emphasis id="30FE7F42FFE9FFA9B6C2296CFE1BFE1F" box="[198,491,1365,1391]" italics="true" pageId="4" pageNumber="53">Psammothidium alpinum</emphasis>
|
||
</taxonomicName>
|
||
is similar to
|
||
<taxonomicName id="C58AD8D3FFE9FFA9B48C296FFA8DFE00" authority="(Germain 1957: 85) Bukhtiyarova et Round (1996: 9)" authorityName="Bukhtiyarova et Round" authorityPageNumber="9" authorityYear="1996" baseAuthorityName="Germain" baseAuthorityPageNumber="85" baseAuthorityYear="1957" box="[648,1405,1365,1392]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Psammothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="4" pageNumber="53" phylum="Bacillariophyta" rank="species" species="bioretii">
|
||
<emphasis id="30FE7F42FFE9FFA9B48C296FFD0AFE1F" box="[648,762,1365,1391]" italics="true" pageId="4" pageNumber="53">P. bioretii</emphasis>
|
||
(
|
||
<bibRefCitation id="661BDEA1FFE9FFA9B50F296FFC14FE00" author="Germain, H." box="[779,996,1366,1392]" pageId="4" pageNumber="53" pagination="85 - 86" refId="ref4591" refString="Germain, H. (1957) Achnanthes bioreti n. sp., diatomee nouvelle. Bulletin de la Societe Botanique de France 104 (suppl.): 85 - 86." type="journal article" year="1957">Germain 1957: 85</bibRefCitation>
|
||
)
|
||
<bibRefCitation id="661BDEA1FFE9FFA9B5F1296FFA8DFE00" author="Bukhtiyarova, L. & Round, F. E." box="[1013,1405,1366,1392]" pageId="4" pageNumber="53" pagination="1 - 30" refId="ref4414" refString="Bukhtiyarova, L. & Round, F. E. (1996) Revision of the genus Achnanthes sensu lato section Marginulatae Bukht. Sect. nov. of Achnanthidium Kutz. Diatom Research 11: 1 - 30. http: // dx. doi. org / 10.1080 / 0269249 X. 1996.9705361" type="journal article" year="1996">Bukhtiyarova et Round (1996: 9)</bibRefCitation>
|
||
</taxonomicName>
|
||
in valve size and possession of relatively coarse areolae. It differs from
|
||
<taxonomicName id="C58AD8D3FFE9FFA9B5E32944FBADFEE6" authorityName="Bukhtiyarova et Round" authorityYear="1996" baseAuthorityName="Germain" baseAuthorityYear="1957" box="[999,1117,1404,1430]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Psammothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="4" pageNumber="53" phylum="Bacillariophyta" rank="species" species="bioretii">
|
||
<emphasis id="30FE7F42FFE9FFA9B5E32944FBADFEE6" box="[999,1117,1404,1430]" italics="true" pageId="4" pageNumber="53">P. bioretii</emphasis>
|
||
</taxonomicName>
|
||
by having more elongate, linear-elliptical valve shape with nearly parallel sides, and a straight central sternum (versus diagonal in
|
||
<taxonomicName id="C58AD8D3FFE9FFA9B382299DFF1EFE94" authorityName="Bukhtiyarova et Round" authorityYear="1996" baseAuthorityName="Germain" baseAuthorityYear="1957" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Psammothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="4" pageNumber="53" phylum="Bacillariophyta" rank="species" species="bioretii">
|
||
<emphasis id="30FE7F42FFE9FFA9B382299DFF1EFE94" italics="true" pageId="4" pageNumber="53">P. bioretii</emphasis>
|
||
</taxonomicName>
|
||
). In SEM (
|
||
<figureCitation id="9AB1BFD5FFE9FFA9B77229F2FDF0FE95" box="[374,512,1483,1509]" captionStart="FIGURES 40–44" captionStartId="6.[151,258,1909,1931]" captionTargetBox="[372,1214,1010,1886]" captionTargetId="figure-188@6.[372,1214,1010,1886]" captionTargetPageId="6" captionText="FIGURES 40–44: Psammothidium alpinum sp. nov., SEM. Figs 40–42. Type material, Snow Lake, sample ANSP WACA019 Fig. 40. External view of raphe valve. Fig. 41. Internal view of raphe valve. Fig. 42. External view of rapheless valve. Fig. 43. Internal view of rapheless valve, Hidden Lake NOCA, sample ANSP WACA018. Fig. 44. Areolae on the internal surface of the valve, Snow Lake, sample ANSP WACA001. Scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.5085475" httpUri="https://zenodo.org/record/5085475/files/figure.png" pageId="4" pageNumber="53">Figs 40–44</figureCitation>
|
||
),
|
||
<taxonomicName id="C58AD8D3FFE9FFA9B41329F2FD66FE94" authorityName="Potapova & Enache" authorityYear="2013" box="[535,662,1482,1508]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Psammothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="4" pageNumber="53" phylum="Bacillariophyta" rank="species" species="alpinum">
|
||
<emphasis id="30FE7F42FFE9FFA9B41329F2FD66FE94" box="[535,662,1482,1508]" italics="true" pageId="4" pageNumber="53">P. alpinum</emphasis>
|
||
</taxonomicName>
|
||
displays a characteristic doublet of smaller areolae at the valve/ mantle junction and around the mantle (
|
||
<figureCitation id="9AB1BFD5FFE9FFA9B46129C8FD1DFD7B" box="[613,749,1521,1547]" captionStart="FIGURES 40–44" captionStartId="6.[151,258,1909,1931]" captionTargetBox="[372,1214,1010,1886]" captionTargetId="figure-188@6.[372,1214,1010,1886]" captionTargetPageId="6" captionText="FIGURES 40–44: Psammothidium alpinum sp. nov., SEM. Figs 40–42. Type material, Snow Lake, sample ANSP WACA019 Fig. 40. External view of raphe valve. Fig. 41. Internal view of raphe valve. Fig. 42. External view of rapheless valve. Fig. 43. Internal view of rapheless valve, Hidden Lake NOCA, sample ANSP WACA018. Fig. 44. Areolae on the internal surface of the valve, Snow Lake, sample ANSP WACA001. Scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.5085475" httpUri="https://zenodo.org/record/5085475/files/figure.png" pageId="4" pageNumber="53">Figs 40, 42</figureCitation>
|
||
). On raphe valves, the central area nearly reaches the valve margin and is bounded by 4–8 short striae. The raphe has characteristic hook-like widely spaced proximal endings (
|
||
<figureCitation id="9AB1BFD5FFE9FFA9B7052A07FEA0FD28" box="[257,336,1598,1624]" captionStart="FIGURES 40–44" captionStartId="6.[151,258,1909,1931]" captionTargetBox="[372,1214,1010,1886]" captionTargetId="figure-188@6.[372,1214,1010,1886]" captionTargetPageId="6" captionText="FIGURES 40–44: Psammothidium alpinum sp. nov., SEM. Figs 40–42. Type material, Snow Lake, sample ANSP WACA019 Fig. 40. External view of raphe valve. Fig. 41. Internal view of raphe valve. Fig. 42. External view of rapheless valve. Fig. 43. Internal view of rapheless valve, Hidden Lake NOCA, sample ANSP WACA018. Fig. 44. Areolae on the internal surface of the valve, Snow Lake, sample ANSP WACA001. Scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.5085475" httpUri="https://zenodo.org/record/5085475/files/figure.png" pageId="4" pageNumber="53">Fig 40</figureCitation>
|
||
) that deflect in the same direction externally (
|
||
<figureCitation id="9AB1BFD5FFE9FFA9B56C2A07FC4EFD28" box="[872,958,1598,1624]" captionStart="FIGURES 40–44" captionStartId="6.[151,258,1909,1931]" captionTargetBox="[372,1214,1010,1886]" captionTargetId="figure-188@6.[372,1214,1010,1886]" captionTargetPageId="6" captionText="FIGURES 40–44: Psammothidium alpinum sp. nov., SEM. Figs 40–42. Type material, Snow Lake, sample ANSP WACA019 Fig. 40. External view of raphe valve. Fig. 41. Internal view of raphe valve. Fig. 42. External view of rapheless valve. Fig. 43. Internal view of rapheless valve, Hidden Lake NOCA, sample ANSP WACA018. Fig. 44. Areolae on the internal surface of the valve, Snow Lake, sample ANSP WACA001. Scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.5085475" httpUri="https://zenodo.org/record/5085475/files/figure.png" pageId="4" pageNumber="53">Fig. 40</figureCitation>
|
||
) and opposite internally (
|
||
<figureCitation id="9AB1BFD5FFE9FFA9B2EC2A07FAB0FD28" box="[1256,1344,1598,1624]" captionStart="FIGURES 40–44" captionStartId="6.[151,258,1909,1931]" captionTargetBox="[372,1214,1010,1886]" captionTargetId="figure-188@6.[372,1214,1010,1886]" captionTargetPageId="6" captionText="FIGURES 40–44: Psammothidium alpinum sp. nov., SEM. Figs 40–42. Type material, Snow Lake, sample ANSP WACA019 Fig. 40. External view of raphe valve. Fig. 41. Internal view of raphe valve. Fig. 42. External view of rapheless valve. Fig. 43. Internal view of rapheless valve, Hidden Lake NOCA, sample ANSP WACA018. Fig. 44. Areolae on the internal surface of the valve, Snow Lake, sample ANSP WACA001. Scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.5085475" httpUri="https://zenodo.org/record/5085475/files/figure.png" pageId="4" pageNumber="53">Fig. 41</figureCitation>
|
||
). While
|
||
<taxonomicName id="C58AD8D3FFE9FFA9B6932A5CFEFAFD0E" authorityName="Bukhtiyarova et Round" authorityYear="1996" baseAuthorityName="Germain" baseAuthorityYear="1957" box="[151,266,1636,1662]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Psammothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="4" pageNumber="53" phylum="Bacillariophyta" rank="species" species="bioretii">
|
||
<emphasis id="30FE7F42FFE9FFA9B6932A5CFEFAFD0E" box="[151,266,1636,1662]" italics="true" pageId="4" pageNumber="53">P. bioretii</emphasis>
|
||
</taxonomicName>
|
||
has terminal raphe fissures curved to opposite sides,
|
||
<taxonomicName id="C58AD8D3FFE9FFA9B58C2A5CFBF7FD0E" authorityName="Potapova & Enache" authorityYear="2013" box="[904,1031,1636,1662]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Psammothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="4" pageNumber="53" phylum="Bacillariophyta" rank="species" species="alpinum">
|
||
<emphasis id="30FE7F42FFE9FFA9B58C2A5CFBF7FD0E" box="[904,1031,1636,1662]" italics="true" pageId="4" pageNumber="53">P. alpinum</emphasis>
|
||
</taxonomicName>
|
||
lacks terminal fissures, and distal external raphe endings are drop-shaped and do not expand beyond the last stria (
|
||
<figureCitation id="9AB1BFD5FFE9FFA9B2392AB5FB64FDD6" box="[1085,1172,1676,1702]" captionStart="FIGURES 40–44" captionStartId="6.[151,258,1909,1931]" captionTargetBox="[372,1214,1010,1886]" captionTargetId="figure-188@6.[372,1214,1010,1886]" captionTargetPageId="6" captionText="FIGURES 40–44: Psammothidium alpinum sp. nov., SEM. Figs 40–42. Type material, Snow Lake, sample ANSP WACA019 Fig. 40. External view of raphe valve. Fig. 41. Internal view of raphe valve. Fig. 42. External view of rapheless valve. Fig. 43. Internal view of rapheless valve, Hidden Lake NOCA, sample ANSP WACA018. Fig. 44. Areolae on the internal surface of the valve, Snow Lake, sample ANSP WACA001. Scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.5085475" httpUri="https://zenodo.org/record/5085475/files/figure.png" pageId="4" pageNumber="53">Fig. 41</figureCitation>
|
||
). Similar to
|
||
<taxonomicName id="C58AD8D3FFE9FFA9B3202AB5FA64FDD5" authorityName="Bukhtiyarova et Round" authorityYear="1996" baseAuthorityName="Germain" baseAuthorityYear="1957" box="[1316,1428,1675,1701]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Psammothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="4" pageNumber="53" phylum="Bacillariophyta" rank="species" species="bioretii">
|
||
<emphasis id="30FE7F42FFE9FFA9B3202AB5FA64FDD5" box="[1316,1428,1675,1701]" italics="true" pageId="4" pageNumber="53">P. bioretii</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="C58AD8D3FFE9FFA9B6932A8AFEE6FDBC" authorityName="Potapova & Enache" authorityYear="2013" box="[151,278,1714,1740]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Psammothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="4" pageNumber="53" phylum="Bacillariophyta" rank="species" species="alpinum">
|
||
<emphasis id="30FE7F42FFE9FFA9B6932A8AFEE6FDBC" box="[151,278,1714,1740]" italics="true" pageId="4" pageNumber="53">P. alpinum</emphasis>
|
||
</taxonomicName>
|
||
has coarse, round areolae visible in LM; a row of coarser areolae border the sternum and central area in LM (
|
||
<figureCitation id="9AB1BFD5FFE9FFA9B72E2AE0FE5EFD83" box="[298,430,1753,1779]" captionStart="FIGURES 1–21" captionStartId="3.[151,259,1929,1951]" captionTargetBox="[187,1403,537,1903]" captionTargetId="figure-233@3.[187,1404,537,1903]" captionTargetPageId="3" captionText="FIGURES 1–21: LM micrographs of Psammothidium species from Snow Lake, Washington Cascades. Figs 1–8. Psammothidium lacustre sp. nov. Figs 1–2. Holotype specimen, slide ANSP GC64860. Figs 9–21. Psammothidium alpinum sp. nov. Figs 9–10. Holotype specimen, slide ANSP GC64862. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.5085463" httpUri="https://zenodo.org/record/5085463/files/figure.png" pageId="4" pageNumber="53">Figs 10, 11</figureCitation>
|
||
) and a double row of finer areolae bordering the valve face-mantle junction is visible in SEM (
|
||
<figureCitation id="9AB1BFD5FFE9FFA9B7002B39FE61FC6A" box="[260,401,1792,1818]" captionStart="FIGURES 40–44" captionStartId="6.[151,258,1909,1931]" captionTargetBox="[372,1214,1010,1886]" captionTargetId="figure-188@6.[372,1214,1010,1886]" captionTargetPageId="6" captionText="FIGURES 40–44: Psammothidium alpinum sp. nov., SEM. Figs 40–42. Type material, Snow Lake, sample ANSP WACA019 Fig. 40. External view of raphe valve. Fig. 41. Internal view of raphe valve. Fig. 42. External view of rapheless valve. Fig. 43. Internal view of rapheless valve, Hidden Lake NOCA, sample ANSP WACA018. Fig. 44. Areolae on the internal surface of the valve, Snow Lake, sample ANSP WACA001. Scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.5085475" httpUri="https://zenodo.org/record/5085475/files/figure.png" pageId="4" pageNumber="53">Figs 40, 42</figureCitation>
|
||
). Short intercalary striae are present along the valve margin and expand on the mantle (
|
||
<figureCitation id="9AB1BFD5FFE9FFA9B69B2B1FFED6FC30" box="[159,294,1830,1856]" captionStart="FIGURES 40–44" captionStartId="6.[151,258,1909,1931]" captionTargetBox="[372,1214,1010,1886]" captionTargetId="figure-188@6.[372,1214,1010,1886]" captionTargetPageId="6" captionText="FIGURES 40–44: Psammothidium alpinum sp. nov., SEM. Figs 40–42. Type material, Snow Lake, sample ANSP WACA019 Fig. 40. External view of raphe valve. Fig. 41. Internal view of raphe valve. Fig. 42. External view of rapheless valve. Fig. 43. Internal view of rapheless valve, Hidden Lake NOCA, sample ANSP WACA018. Fig. 44. Areolae on the internal surface of the valve, Snow Lake, sample ANSP WACA001. Scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.5085475" httpUri="https://zenodo.org/record/5085475/files/figure.png" pageId="4" pageNumber="53">Figs 41, 43</figureCitation>
|
||
).
|
||
<taxonomicName id="C58AD8D3FFE9FFA9B73E2B1CFDAEFC4F" authorityName="Potapova & Enache" authorityYear="2013" box="[314,606,1829,1855]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Psammothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="4" pageNumber="53" phylum="Bacillariophyta" rank="species" species="alpinum">
|
||
<emphasis id="30FE7F42FFE9FFA9B73E2B1CFDAEFC4F" box="[314,606,1829,1855]" italics="true" pageId="4" pageNumber="53">Psammothidium alpinum</emphasis>
|
||
</taxonomicName>
|
||
has similar valve shape as
|
||
<taxonomicName id="C58AD8D3FFE9FFA9B59D2B1FFE26FC17" authority="(Hohn et Hellerman 1963: 273) Lange-Bertalot (1999: 285)" authorityName="Lange-Bertalot" authorityPageNumber="285" authorityYear="1999" baseAuthorityName="Hohn et Hellerman" baseAuthorityPageNumber="273" baseAuthorityYear="1963" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Psammothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="4" pageNumber="53" phylum="Bacillariophyta" rank="species" species="chlidanos">
|
||
<emphasis id="30FE7F42FFE9FFA9B59D2B1FFBD6FC4F" box="[921,1062,1829,1855]" italics="true" pageId="4" pageNumber="53">P. chlidanos</emphasis>
|
||
(
|
||
<bibRefCitation id="661BDEA1FFE9FFA9B2322B1FFA63FC30" author="Hohn, M. H. & Hellerman, J." box="[1078,1427,1830,1856]" pageId="4" pageNumber="53" pagination="250 - 329" refId="ref4625" refString="Hohn, M. H. & Hellerman, J. (1963) Taxonomy and structure of diatom populations from three eastern North American rivers. Transactions of the American Microscopical Society 82: 250 - 329. http: // dx. doi. org / 10.2307 / 3223932" type="journal article" year="1963">Hohn et Hellerman 1963: 273</bibRefCitation>
|
||
)
|
||
<bibRefCitation id="661BDEA1FFE9FFA9B6932B74FE26FC17" author="Lange-Bertalot, H." box="[151,470,1869,1895]" pageId="4" pageNumber="53" pagination="276 - 289" refId="ref4708" refString="Lange-Bertalot, H. (1999) Neue Kombinationen von Taxa aus Achnanthes Bory (sensu lato). Iconographia Diatomologica 6: 276 - 289." type="journal article" year="1999">Lange-Bertalot (1999: 285)</bibRefCitation>
|
||
</taxonomicName>
|
||
but it can be easily distinguished by its coarser striae and areolae visible in LM.
|
||
</paragraph>
|
||
<paragraph id="0235A350FFE9FFA9B6C22B4DFD75FCC5" blockId="4.[151,1440,1327,1973]" pageId="4" pageNumber="53">
|
||
<taxonomicName id="C58AD8D3FFE9FFA9B6C22B4DFEB4FCFD" authorityName="Potapova & Enache" authorityYear="2013" box="[198,324,1907,1934]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Psammothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="4" pageNumber="53" phylum="Bacillariophyta" rank="species" species="alpinum">
|
||
<emphasis id="30FE7F42FFE9FFA9B6C22B4DFF25FCFD" box="[198,213,1908,1933]" italics="true" pageId="4" pageNumber="53">P</emphasis>
|
||
.
|
||
<emphasis id="30FE7F42FFE9FFA9B6E02B4AFEB4FCFD" box="[228,324,1907,1933]" italics="true" pageId="4" pageNumber="53">alpinum</emphasis>
|
||
</taxonomicName>
|
||
was present in Hidden Lake NOCA (bottom sample, 2% relative abundance) and very rare in top samples from Snow and Stiletto lakes.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |