<document id="148B23554C607D2BCCCB6D0261FC085A" ID-DOI="10.11646/phytotaxa.642.1.3" ID-ISSN="1179-3163" ID-Zenodo-Dep="13214145" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="guilherme" IM.materialsCitations_approvedBy="guilherme" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="guilherme" IM.treatments_approvedBy="guilherme" checkinTime="1722601791791" checkinUser="felipe" docAuthor="Liu, Chenlai, Yu, Xiaolei, Song, Xiaoli, Shao, Jingjing, Chen, Yuchu &amp; Liu, Xing" docDate="2024" docId="038987CAC0517F7FFF44FC62FA297246" docLanguage="en" docName="phytotaxa.642.1.3.pdf" docOrigin="Phytotaxa 642 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.642.1.3" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Isoetes Linnaeus 1753" docType="key" docVersion="3" lastPageNumber="44" masterDocId="FFB0FFB2C0567F78FFCCFFCCFF83746C" masterDocTitle="Two new diploid species of Isoetes (Isoetaceae: Lycopodiopsida) from Southeastern China based on morphological and molecular evidence" masterLastPageNumber="49" masterPageNumber="37" pageNumber="44" updateTime="1725537017063" updateUser="guilherme" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="82A660E6C5C4CBF98734DE170ED59926">Two new diploid species of Isoetes (Isoetaceae: Lycopodiopsida) from Southeastern China based on morphological and molecular evidence</mods:title>
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<mods:namePart id="B7B575F958140F5DB99A3957DD377992">Liu, Chenlai</mods:namePart>
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<mods:affiliation id="302938A8297F52399B6F88B042D5E3C9">State Key Laboratory of Hybrid Rice, Laboratory of Plant Systematics and Evolutionary Biology, College of Life Sciences, Wuhan University, Wuhan 430072, P. R. China</mods:affiliation>
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<mods:namePart id="A345E8D46C1908D3F8E64A9BE1893F01">Yu, Xiaolei</mods:namePart>
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<mods:affiliation id="574110A0D750675144726AE89E40CDCF">State Key Laboratory of Hybrid Rice, Laboratory of Plant Systematics and Evolutionary Biology, College of Life Sciences, Wuhan University, Wuhan 430072, P. R. China</mods:affiliation>
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<mods:namePart id="08A6EECBC1EBF5E8189076E9050B2B1A">Song, Xiaoli</mods:namePart>
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<mods:namePart id="5B95B672D8F6EFC5C55688A8E465081F">Shao, Jingjing</mods:namePart>
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<mods:namePart id="323BFD93DFFEB1B2130AF9DE1B89780B">Chen, Yuchu</mods:namePart>
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<mods:affiliation id="71ADFCC76F087B02ABD543F3D07C9CAF">Hangzhou Tianjing Aquatic Botanical Garden, Hangzhou 310000, P. R. China</mods:affiliation>
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<mods:namePart id="E11F4A9B2D81790C45D5AB72124CFFB4">Liu, Xing</mods:namePart>
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<mods:affiliation id="80AF84BBF23AC11046A666656C6F786B">State Key Laboratory of Hybrid Rice, Laboratory of Plant Systematics and Evolutionary Biology, College of Life Sciences, Wuhan University, Wuhan 430072, P. R. China</mods:affiliation>
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<mods:title id="350AAD83D7DD524AB3B07D681DA2C207">Phytotaxa</mods:title>
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<mods:date id="B3A696258BBA62BFB2EED7BA14BD5571">2024</mods:date>
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Key to the species of the genus 
<taxonomicName id="4C204D5FC0517F7FFE35FC62FDCB77A4" ID-CoL="55GH" authority="Linnaeus (1753: 1100)" authorityName="Linnaeus" authorityPageNumber="1100" authorityYear="1753" box="[505,584,942,968]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="7" pageNumber="44" phylum="Tracheophyta" rank="genus">
<emphasis id="B954EACEC0517F7FFE35FC62FDCB77A4" bold="true" box="[505,584,942,968]" italics="true" pageId="7" pageNumber="44">Isoetes</emphasis>
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in 
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<paragraph id="8B9F36DCC0517F7FFF44FC3EFA28706B" blockId="7.[136,1451,1010,1579]" box="[136,1451,1010,1032]" pageId="7" pageNumber="44">
<keyLead id="30D195E9C0517F7FFF44FC3EFA28706B" box="[136,1451,1010,1032]" pageId="7" pageNumber="44">1. Corm 3-lobed .....................................................................................................................................................................................2</keyLead>
</paragraph>
<paragraph id="8B9F36DCC0517F7FFF44FBC3FA287048" blockId="7.[136,1451,1010,1579]" box="[136,1451,1039,1061]" pageId="7" pageNumber="44">
<keyLead id="30D195E9C0517F7FFF44FBC3FA287048" box="[136,1451,1039,1061]" pageId="7" pageNumber="44">
-. Corm 2-lobed .................................................................................................................................................................. 
<taxonomicName id="4C204D5FC0517F7FFAF8FBDCFA287048" ID-CoL="BDHXR" box="[1332,1451,1039,1061]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="7" pageNumber="44" phylum="Tracheophyta" rank="species" species="longpingii">
<emphasis id="B954EACEC0517F7FFAF8FBDCFA287048" box="[1332,1451,1039,1061]" italics="true" pageId="7" pageNumber="44">I. longpingii</emphasis>
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<keyStep id="30D42E79C0517F7FFF44FBE0FA287032" pageId="7" pageNumber="44">
<paragraph id="8B9F36DCC0517F7FFF44FBE0FA28702D" blockId="7.[136,1451,1010,1579]" box="[136,1451,1068,1090]" pageId="7" pageNumber="44">
<keyLead id="30D195E9C0517F7FFF44FBE0FA28702D" box="[136,1451,1068,1090]" pageId="7" pageNumber="44">2. velum present......................................................................................................................................................................................3</keyLead>
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<paragraph id="8B9F36DCC0517F7FFF44FB85FA287032" blockId="7.[136,1451,1010,1579]" box="[136,1451,1096,1118]" pageId="7" pageNumber="44">
<keyLead id="30D195E9C0517F7FFF44FB85FA287032" box="[136,1451,1096,1118]" pageId="7" pageNumber="44">-. velum absent.......................................................................................................................................................................................6</keyLead>
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<keyStep id="30D42E79C0517F7FFF44FBA9FA2870F4" pageId="7" pageNumber="44">
<paragraph id="8B9F36DCC0517F7FFF44FBA9FA287016" blockId="7.[136,1451,1010,1579]" box="[136,1451,1125,1147]" pageId="7" pageNumber="44">
<keyLead id="30D195E9C0517F7FFF44FBA9FA287016" box="[136,1451,1125,1147]" pageId="7" pageNumber="44">3. Megaspores 207–340 μm ...................................................................................................................................................................4</keyLead>
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<paragraph id="8B9F36DCC0517F7FFF44FB4FFA2870F4" blockId="7.[136,1451,1010,1579]" box="[136,1451,1154,1176]" pageId="7" pageNumber="44">
<keyLead id="30D195E9C0517F7FFF44FB4FFA2870F4" box="[136,1451,1154,1176]" pageId="7" pageNumber="44">-. Megaspores 340–450 μm ...................................................................................................................................................................5</keyLead>
</paragraph>
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<keyStep id="30D42E79C0517F7FFF44FB53FA2970BD" pageId="7" pageNumber="44">
<paragraph id="8B9F36DCC0517F7FFF44FB53FA2870D8" blockId="7.[136,1451,1010,1579]" box="[136,1451,1183,1205]" pageId="7" pageNumber="44">
<keyLead id="30D195E9C0517F7FFF44FB53FA2870D8" box="[136,1451,1183,1205]" pageId="7" pageNumber="44">
4. Megaspores 207–280 μm ......................................................................................................................................... 
<taxonomicName id="4C204D5FC0517F7FFAC7FB6CFA2870D8" ID-CoL="3Q8TT" box="[1291,1451,1183,1205]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="7" pageNumber="44" phylum="Tracheophyta" rank="species" species="shangrilaensis">
<emphasis id="B954EACEC0517F7FFAC7FB6CFA2870D8" box="[1291,1451,1183,1205]" italics="true" pageId="7" pageNumber="44">I. shangrilaensis</emphasis>
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<keyLead id="30D195E9C0517F7FFF44FB70FA2970BD" box="[136,1450,1212,1233]" pageId="7" pageNumber="44">
-. Megaspores 280–340 μm............................................................................................................................................... 
<taxonomicName id="4C204D5FC0517F7FFAE9FB70FA2970BD" ID-CoL="6MXCD" box="[1317,1450,1212,1233]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="7" pageNumber="44" phylum="Tracheophyta" rank="species" species="taiwanensis">
<emphasis id="B954EACEC0517F7FFAE9FB70FA2970BD" box="[1317,1450,1212,1233]" italics="true" pageId="7" pageNumber="44">I. taiwanensis</emphasis>
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<paragraph id="8B9F36DCC0517F7FFF44FB14FA287081" blockId="7.[136,1451,1010,1579]" box="[136,1451,1240,1262]" pageId="7" pageNumber="44">
<keyLead id="30D195E9C0517F7FFF44FB14FA287081" box="[136,1451,1240,1262]" pageId="7" pageNumber="44">
5. Megaspore ornamentation reticulate; microspore ornamentation tuberculate-echinate.................................................... 
<taxonomicName id="4C204D5FC0517F7FFAF7FB15FA287081" ID-CoL="3Q8RV" box="[1339,1451,1240,1262]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="7" pageNumber="44" phylum="Tracheophyta" rank="species" species="orientalis">
<emphasis id="B954EACEC0517F7FFAF7FB15FA287081" box="[1339,1451,1240,1262]" italics="true" pageId="7" pageNumber="44">I. orientalis</emphasis>
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<keyLead id="30D195E9C0517F7FFF44FB3AFA297167" box="[136,1450,1269,1291]" pageId="7" pageNumber="44">
-. Megaspore ornamentation cristate-reticulate; microspore ornamentation levigate-granulate ..................................... 
<taxonomicName id="4C204D5FC0517F7FFAE9FB3AFA297167" ID-CoL="3Q8VL" box="[1317,1450,1270,1291]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="7" pageNumber="44" phylum="Tracheophyta" rank="species" species="yunguiensis">
<emphasis id="B954EACEC0517F7FFAE9FB3AFA297167" box="[1317,1450,1270,1291]" italics="true" pageId="7" pageNumber="44">I. yunguiensis</emphasis>
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<keyLead id="30D195E9C0517F7FFF44FADEFA29714B" box="[136,1450,1298,1320]" pageId="7" pageNumber="44">
6. Leaves 
<quantity id="4CD89B39C0517F7FFED1FADEFEE77144" box="[285,356,1298,1320]" metricMagnitude="-2" metricUnit="m" metricValue="5.5" metricValueMax="9.0" metricValueMin="2.0" pageId="7" pageNumber="44" unit="cm" value="5.5" valueMax="9.0" valueMin="2.0">2–9 cm</quantity>
long; growth in high elevation ............................................................................................................... 
<taxonomicName id="4C204D5FC0517F7FFAE1FADFFA29714B" ID-CoL="3Q8PH" box="[1325,1450,1298,1320]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="7" pageNumber="44" phylum="Tracheophyta" rank="species" species="hypsophila">
<emphasis id="B954EACEC0517F7FFAE1FADFFA29714B" box="[1325,1450,1298,1320]" italics="true" pageId="7" pageNumber="44">I. hypsophila</emphasis>
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</keyLead>
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<keyLead id="30D195E9C0517F7FFF44FAE3FA287128" box="[136,1451,1327,1349]" pageId="7" pageNumber="44">
-. Leaves longer than 
<quantity id="4CD89B39C0517F7FFE43FAE3FE427128" box="[399,449,1327,1348]" metricMagnitude="-2" metricUnit="m" metricValue="9.0" pageId="7" pageNumber="44" unit="cm" value="9.0">9 cm</quantity>
; distuibuted in lowland sites.......................................................................................................................7
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<keyStep id="30D42E79C0517F7FFF44FA80FA287112" pageId="7" pageNumber="44">
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<keyLead id="30D195E9C0517F7FFF44FA80FA28710D" box="[136,1451,1356,1378]" pageId="7" pageNumber="44">7. Megaspore ornamentation echinate or critstate or echinate-critstate .................................................................................................8</keyLead>
</paragraph>
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<keyLead id="30D195E9C0517F7FFF44FAA5FA287112" box="[136,1451,1384,1406]" pageId="7" pageNumber="44">-. Megaspore ornamentation tuberculate or rugulate ............................................................................................................................9</keyLead>
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<keyLead id="30D195E9C0517F7FFF44FA49FA2871F6" box="[136,1451,1413,1435]" pageId="7" pageNumber="44">8. Megaspore ornamentation echinate or critstate................................................................................................................................10</keyLead>
</paragraph>
<paragraph id="8B9F36DCC0517F7FFF44FA6FFA2971DB" blockId="7.[136,1451,1010,1579]" box="[136,1450,1442,1464]" pageId="7" pageNumber="44">
<keyLead id="30D195E9C0517F7FFF44FA6FFA2971DB" box="[136,1450,1442,1464]" pageId="7" pageNumber="44">
-. Megaspore ornamentation echinate-critstate................................................................................................................... 
<taxonomicName id="4C204D5FC0517F7FFAF9FA6FFA2971DB" ID-CoL="98YFT" box="[1333,1450,1442,1464]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="7" pageNumber="44" phylum="Tracheophyta" rank="species" species="baodongii">
<emphasis id="B954EACEC0517F7FFAF9FA6FFA2971DB" box="[1333,1450,1442,1464]" italics="true" pageId="7" pageNumber="44">I. baodongii</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30D42E79C0517F7FFF44FA73FA28719D" pageId="7" pageNumber="44">
<paragraph id="8B9F36DCC0517F7FFF44FA73FA2871B8" blockId="7.[136,1451,1010,1579]" box="[136,1451,1471,1493]" pageId="7" pageNumber="44">
<keyLead id="30D195E9C0517F7FFF44FA73FA2871B8" box="[136,1451,1471,1493]" pageId="7" pageNumber="44">
9. Megaspore ornamentation tuberculate ......................................................................................................................... 
<taxonomicName id="4C204D5FC0517F7FFAD7FA0CFA2871B8" ID-CoL="CDF2Z" box="[1307,1451,1471,1493]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="7" pageNumber="44" phylum="Tracheophyta" rank="species" species="changleensis">
<emphasis id="B954EACEC0517F7FFAD7FA0CFA2871B8" box="[1307,1451,1471,1493]" italics="true" pageId="7" pageNumber="44">I. changleensis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8B9F36DCC0517F7FFF44FA10FA28719D" blockId="7.[136,1451,1010,1579]" box="[136,1451,1500,1522]" pageId="7" pageNumber="44">
<keyLead id="30D195E9C0517F7FFF44FA10FA28719D" box="[136,1451,1500,1522]" pageId="7" pageNumber="44">
-. Megaspore ornamentation rugulate ............................................................................................................................... 
<taxonomicName id="4C204D5FC0517F7FFAECFA10FA28719D" ID-CoL="CDF5S" box="[1312,1451,1500,1521]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="7" pageNumber="44" phylum="Tracheophyta" rank="species" species="yuhangensis">
<emphasis id="B954EACEC0517F7FFAECFA10FA28719D" box="[1312,1451,1500,1521]" italics="true" pageId="7" pageNumber="44">I. yuhangensis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30D42E79C0517F7FFF44FA35FA297246" pageId="7" pageNumber="44">
<paragraph id="8B9F36DCC0517F7FFF44FA35FA287262" blockId="7.[136,1451,1010,1579]" box="[136,1451,1528,1550]" pageId="7" pageNumber="44">
<keyLead id="30D195E9C0517F7FFF44FA35FA287262" box="[136,1451,1528,1550]" pageId="7" pageNumber="44">
10. Megaspore ornamentation echinate..................................................................................................................................... 
<taxonomicName id="4C204D5FC0517F7FFA87FA35FA287262" ID-CoL="3Q8TW" box="[1355,1451,1529,1550]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="7" pageNumber="44" phylum="Tracheophyta" rank="species" species="sinensis">
<emphasis id="B954EACEC0517F7FFA87FA35FA287262" box="[1355,1451,1529,1550]" italics="true" pageId="7" pageNumber="44">I. sinensis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8B9F36DCC0517F7FFF44F9DAFA297246" blockId="7.[136,1451,1010,1579]" box="[136,1450,1557,1579]" pageId="7" pageNumber="44">
<keyLead id="30D195E9C0517F7FFF44F9DAFA297246" box="[136,1450,1557,1579]" pageId="7" pageNumber="44">
-. Megaspore ornamentation critstate...................................................................................................................................... 
<taxonomicName id="4C204D5FC0517F7FFA85F9DAFA297246" ID-CoL="BDHXS" box="[1353,1450,1557,1579]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="7" pageNumber="44" phylum="Tracheophyta" rank="species" species="xiangfei">
<emphasis id="B954EACEC0517F7FFA85F9DAFA297246" box="[1353,1450,1557,1579]" italics="true" pageId="7" pageNumber="44">I. xiangfei</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
</subSubSection>
</treatment>
</document>