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<mods:title id="3A90C336A280D18203111F10CC824498">On the typification of three Isoetes names (Isoetaceae, Lycopodiopsida) described from France</mods:title>
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<mods:namePart id="9ECF6F5685ECA1BEE9441A490DF8A7F1">Boudrie, Michel</mods:namePart>
<mods:affiliation id="62611AB7156CB83D16BE19CE646F4517">Muséum national dHistoire naturelle, Direction générale déléguée aux collections, Herbier national; CP 39, 57 rue Cuvier 75005 Paris, France;</mods:affiliation>
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<mods:namePart id="7EB25C963DCC4E9A365CCB6DA005E153">Rouhan, Germinal</mods:namePart>
<mods:affiliation id="AF78D175103932DEEB11FC9FC3E86D5E">Institut de Systématique, Evolution, Biodiversité (ISYEB), Muséum national dHistoire naturelle, CNRS, Sorbonne Université, École Pratique des Hautes Études, Université des Antilles; CP 39, 57 rue Cuvier 75005 Paris, France;</mods:affiliation>
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<mods:affiliation id="E96137DD7B9B6690817EC59BBF62D4AA">Institut Agro, Université dAngers, INRAE, IRHS, SFR QUASAV, 49000 Angers, France;</mods:affiliation>
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<treatment id="03CE964A3F1F416D49E8F9A9FCE0FAC4" ID-DOI="http://doi.org/10.5281/zenodo.13213304" ID-GBIF-Taxon="240158224" ID-Zenodo-Dep="13213304" LSID="urn:lsid:plazi:treatment:03CE964A3F1F416D49E8F9A9FCE0FAC4" httpUri="http://treatment.plazi.org/id/03CE964A3F1F416D49E8F9A9FCE0FAC4" lastPageId="5" lastPageNumber="291" pageId="3" pageNumber="289">
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<heading id="D09090303F1F416B49E8F9A9FCE9F957" box="[136,888,1652,1679]" fontSize="11" level="2" pageId="3" pageNumber="289" reason="3">
<treatmentCitationGroup id="AB7700723F1F416B49E8F9A9FCE9F957" box="[136,888,1652,1679]" pageId="3" pageNumber="289">
<treatmentCitation id="0AC6014D3F1F416B49E8F9A9FCE5F957" author="Durieu" box="[136,884,1652,1679]" journal="Bull. Soc. Bot. France" page="164" pageId="3" pageNumber="289" score="67.94127085788433" volume="8" year="1861">
<taxonomicName id="4C675CDF3F1F416B49E8F9A9FE50F957" ID-CoL="935P4" authority="Durieu" authorityName="Durieu de Maisonneuve" authorityYear="1861" box="[136,449,1652,1679]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="3" pageNumber="289" phylum="Tracheophyta" rank="species" species="echinospora">
<emphasis id="B913FB4E3F1F416B49E8F9A9FEFDF956" bold="true" box="[136,364,1652,1679]" italics="true" pageId="3" pageNumber="289">Isoetes echinospora</emphasis>
Durieu
</taxonomicName>
in
<bibCitation id="5E4D2F303F1F416B4884F9A9FCE5F957" box="[484,884,1652,1679]" journal="Bull. Soc. Bot. France" page="164" pageId="3" pageNumber="289" score="67.94127085788433" volume="8" year="1861">
Bull. Soc. Bot.
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8: 164. 1861
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.
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</paragraph>
<paragraph id="8BD8275C3F1F416B49E8F91DFDCBF8BF" blockId="3.[136,1453,1727,2074]" pageId="3" pageNumber="289">
<materialsCitation id="3B0F2D013F1F416B49E8F91DFE31F8C7" ID-GBIF-Occurrence="4928360303" collectingDate="1850-08" collectionCode="E, P, AJWV" collectorName="de Guery" country="France" location="Puy-de-Dome" pageId="3" pageNumber="289" specimenCode="P01217445, P01217446, P04025759, P01250216" specimenCount="3" typeStatus="lectotype">
<emphasis id="B913FB4E3F1F416B49E8F91DFE5BF90C" bold="true" box="[136,458,1727,1749]" pageId="3" pageNumber="289">
<typeStatus id="54DC99FE3F1F416B49E8F91DFF7CF90C" box="[136,237,1728,1749]" pageId="3" pageNumber="289" type="lectotype">Lectotype</typeStatus>
(designated here):—
</emphasis>
[
<collectingCountry id="F37067CC3F1F416B48B0F91DFDA4F90C" box="[464,565,1728,1749]" name="France" pageId="3" pageNumber="289">FRANCE</collectingCountry>
:
<location id="8EB871873F1F416B4B21F91DFD5BF90F" LSID="urn:lsid:plazi:treatment:03CE964A3F1F416D49E8F9A9FCE0FAC4:8EB871873F1F416B4B21F91DFD5BF90F" box="[577,714,1728,1750]" country="France" name="Puy-de-Dome" pageId="3" pageNumber="289">Puy-de-Dôme</location>
] dans le lac
<collectorName id="2692428A3F1F416B4A2EF91DFC3AF90F" box="[846,939,1728,1750]" pageId="3" pageNumber="289">de Guéry</collectorName>
,
<date id="FFD9019C3F1F416B4AD8F91DFB8CF90F" box="[952,1053,1728,1750]" pageId="3" pageNumber="289" value="1850-08">
<collectingDate id="EF9DF8743F1F416B4AD8F91DFB8CF90F" box="[952,1053,1728,1750]" pageId="3" pageNumber="289" value="1850-08">août 1850</collectingDate>
</date>
,
<emphasis id="B913FB4E3F1F416B4D4AF91DFB25F90C" box="[1066,1204,1728,1749]" italics="true" pageId="3" pageNumber="289">
<collectionCode id="ED76BF993F1F416B4D4AF91DFBADF90C" box="[1066,1084,1728,1749]" country="United Kingdom" lsid="urn:lsid:biocol.org:col:15670" name="Royal Botanic Garden Edinburgh" pageId="3" pageNumber="289" type="Herbarium">E</collectionCode>
. Cosson s.n
</emphasis>
. (
<collectionCode id="ED76BF993F1F416B4DAAF91DFB49F90C" box="[1226,1240,1728,1749]" country="France" lsid="urn:lsid:biocol.org:col:15763" name="Museum National d' Histoire Naturelle, Paris (MNHN) - Vascular Plants" pageId="3" pageNumber="289" type="Herbarium">P</collectionCode>
barcode
<specimenCode id="DBC18F273F1F416B4C56F91DFA38F90F" box="[1334,1449,1728,1750]" collectionCode="P" country="France" lsid="urn:lsid:biocol.org:col:15763" name="Museum National d' Histoire Naturelle, Paris (MNHN) - Vascular Plants" pageId="3" pageNumber="289" type="Herbarium">P01217445</specimenCode>
! (http://mediaphoto.mnhn.fr/media/1441293183178fy6FTW1HVK76
<collectionCode id="ED76BF993F1F416B4A30F939FC05F923" box="[848,916,1764,1786]" pageId="3" pageNumber="289">AJWV</collectionCode>
) (
<figureCitation id="135C3BD93F1F416B4ACBF939FC76F920" box="[939,999,1764,1786]" captionStart="FIGURE 3" captionStartId="4.[136,234,1994,2016]" captionTargetBox="[342,1246,531,1970]" captionTargetId="figure-176@4.[342,1246,531,1970]" captionTargetPageId="4" captionText="FIGURE 3. Lectotype (the individual bottom left, dissected as seven pieces and attached to a single label) of Isoetes echinospora (P barcode P01217445)." figureDoi="http://doi.org/10.5281/zenodo.13214090" httpUri="https://zenodo.org/record/13214090/files/figure.png" pageId="3" pageNumber="289">Fig. 3</figureCitation>
), only the plant, consisting of 7 pieces, at the left bottom of the sheet;
</materialsCitation>
<materialsCitation id="3B0F2D013F1F416B48C5F8D5FB54F89B" ID-GBIF-Occurrence="4928360301" collectingDate="1850-08" collectionCode="E, P, AJWV" collectorName="de Guery" country="France" location="Puy-de-Dome" pageId="3" pageNumber="289" specimenCode="P01217445, P01217446, P04025759, P01250216" specimenCount="3" typeStatus="lectotype">
<typeStatus id="54DC99FE3F1F416B48C5F8D5FDB7F8C7" box="[421,550,1800,1822]" pageId="3" pageNumber="289" type="isolectotype">isolectotypes</typeStatus>
:
<collectionCode id="ED76BF993F1F416B4B4EF8D5FDAAF8C4" box="[558,571,1800,1821]" country="France" lsid="urn:lsid:biocol.org:col:15763" name="Museum National d' Histoire Naturelle, Paris (MNHN) - Vascular Plants" pageId="3" pageNumber="289" type="Herbarium">P</collectionCode>
, barcode
<specimenCode id="DBC18F273F1F416B4BF5F8D5FC99F8C7" box="[661,776,1800,1822]" collectionCode="P" country="France" lsid="urn:lsid:biocol.org:col:15763" name="Museum National d' Histoire Naturelle, Paris (MNHN) - Vascular Plants" pageId="3" pageNumber="289" type="Herbarium">P01217446</specimenCode>
! (only the 3 plants at bottom of the sheet, whose megaspores have been checked; the other plant in the upper part of the sheet belongs to a different gathering, barcode
<specimenCode id="DBC18F273F1F416B4D28F8F1FB2AF89B" box="[1096,1211,1836,1858]" collectionCode="P" country="France" lsid="urn:lsid:biocol.org:col:15763" name="Museum National d' Histoire Naturelle, Paris (MNHN) - Vascular Plants" pageId="3" pageNumber="289" type="Herbarium">P04025759</specimenCode>
);
</materialsCitation>
<materialsCitation id="3B0F2D013F1F416B4DAAF8F1FDCBF8BF" ID-GBIF-Occurrence="4928360307" collectingDate="1850-08" collectionCode="E, P, AJWV" collectorName="de Guery" country="France" location="Puy-de-Dome" pageId="3" pageNumber="289" specimenCode="P01217445, P01217446, P04025759, P01250216" specimenCount="3" typeStatus="lectotype">
possible
<typeStatus id="54DC99FE3F1F416B4C7EF8F1FA07F89B" box="[1310,1430,1836,1858]" pageId="3" pageNumber="289" type="isolectotype">isolectotype</typeStatus>
:
<collectionCode id="ED76BF993F1F416B4CFFF8F1FA3AF898" box="[1439,1451,1836,1857]" country="France" lsid="urn:lsid:biocol.org:col:15763" name="Museum National d' Histoire Naturelle, Paris (MNHN) - Vascular Plants" pageId="3" pageNumber="289" type="Herbarium">P</collectionCode>
barcode
<specimenCode id="DBC18F273F1F416B486FF88DFE13F8BF" box="[271,386,1872,1894]" collectionCode="P" country="France" lsid="urn:lsid:biocol.org:col:15763" name="Museum National d' Histoire Naturelle, Paris (MNHN) - Vascular Plants" pageId="3" pageNumber="289" type="Herbarium">P01250216</specimenCode>
! (no spores available).
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</paragraph>
</subSubSection>
<subSubSection id="C37D74D73F1F416D49E8F8A9FCE0FAC4" lastPageId="5" lastPageNumber="291" pageId="3" pageNumber="289" type="description">
<paragraph id="8BD8275C3F1F416C49E8F8A9FE03FF00" blockId="3.[136,1453,1727,2074]" lastBlockId="4.[189,1452,159,217]" lastPageId="4" lastPageNumber="290" pageId="3" pageNumber="289">
<emphasis id="B913FB4E3F1F416B49E8F8A9FE3FF850" bold="true" box="[136,430,1907,1929]" pageId="3" pageNumber="289">Extract from the protologue</emphasis>
(
<bibRefCitation id="EFF65AAD3F1F416B48DDF8A9FC86F853" author="Durieu de Maisonneuve, M. C." box="[445,791,1908,1930]" pageId="3" pageNumber="289" refId="ref3831" refString="Durieu de Maisonneuve, M. C. (1861) [Echantillons de trois especes d'Isoetes (dont deux decouvertes dans le departement de la Gironde en 1860)]. Bulletin de la Societe Botanique de France 8: 164." type="journal volume" year="1861">Durieu de Maisonneuve 1861: 164</bibRefCitation>
).—“
<emphasis id="B913FB4E3F1F416B4A26F8A9FD2BF874" italics="true" pageId="3" pageNumber="289">
Elle croît dans quelques lacs du centre de la
<collectingCountry id="F37067CC3F1F416B4C69F8A9FADFF850" box="[1289,1358,1908,1929]" name="France" pageId="3" pageNumber="289">France</collectingCountry>
et paraît savancer assez haut vers le nord-ouest de lEurope
</emphasis>
.”; [page 165] “
<emphasis id="B913FB4E3F1F416B4A34F845FDCCF82C" italics="true" pageId="3" pageNumber="289">
M. J. Gay rappelle que Dillen, dans son Historia Muscorum, publié en 1741, a figuré deux formes dIsoëtes croissant dans le
<collectingCountry id="F37067CC3F1F416B4A53F861FC59F808" box="[819,968,1980,2001]" name="United Kingdom" pageId="3" pageNumber="289">Pays de Galles</collectingCountry>
, dont lune (n° 1) ressemble à la plante du lac de Guéry en
<collectingRegion id="49A3E9BE3F1F416B487BF83DFEE7F82C" box="[283,374,2016,2037]" country="France" name="Auvergne" pageId="3" pageNumber="289">Auvergne</collectingRegion>
(
<taxonomicName id="4C675CDF3F1F416B48E3F83DFDAFF82C" authority="DR." authorityName="Durieu de Maisonneuve" authorityYear="1861" box="[387,574,2016,2037]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="3" pageNumber="289" phylum="Tracheophyta" rank="species" species="echinospora">I. echinospora DR.</taxonomicName>
),…
</emphasis>
”. [English translation: [page 164]
<emphasis id="B913FB4E3F1F416B4AC9F83DFD21F7C0" italics="true" pageId="3" pageNumber="289">
<taxonomicName id="4C675CDF3F1F416B4AC9F83DFC66F82C" box="[937,1015,2016,2037]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="3" pageNumber="289" phylum="Tracheophyta" rank="species" species="grows">It grows</taxonomicName>
in some lakes in central
<collectingCountry id="F37067CC3F1F416B4D85F83DFABBF82C" box="[1253,1322,2016,2037]" name="France" pageId="3" pageNumber="289">France</collectingCountry>
and seems to extend quite high towards the north-west of Europe.
</emphasis>
[page 165]
<emphasis id="B913FB4E3F1F416C4A42F7D9FE12FF01" italics="true" lastPageId="4" lastPageNumber="290" pageId="3" pageNumber="289">
Mr. J. Gay reports that Dillen, in his Historia Muscorum, published in 1741, depicted two forms of
<taxonomicName id="4C675CDF3F18416C4890FF7DFD18FF6C" box="[496,649,160,181]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="4" pageNumber="290" phylum="Tracheophyta" rank="species" species="growing">Isoetes growing</taxonomicName>
in
<collectingCountry id="F37067CC3F18416C4BCAFF42FD74FF6D" box="[682,741,159,180]" name="United Kingdom" pageId="4" pageNumber="290">Wales</collectingCountry>
, one of which (No. 1) resembles the plant of Lake Guéry in Auvergne (
<taxonomicName id="4C675CDF3F18416C4CFDFF42FEF5FF01" authority="DR." authorityName="Durieu de Maisonneuve" authorityYear="1861" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="4" pageNumber="290" phylum="Tracheophyta" rank="species" species="echinospora">I. echinospora DR.</taxonomicName>
),…
</emphasis>
].
</paragraph>
<paragraph id="8BD8275C3F18416C49E8FED5FB14FE23" blockId="4.[136,1452,263,506]" pageId="4" pageNumber="290">
See
<bibRefCitation id="EFF65AAD3F18416C49D8FED5FE51FEFB" author="Greuter, W. &amp; Troia, A." box="[184,448,263,290]" pageId="4" pageNumber="290" pagination="811 - 815" refId="ref3981" refString="Greuter, W. &amp; Troia, A. (2015) Disentangling Isoetes setacea and removing threats to Isoetes echinospora. Taxon 64: 811 - 815. https: // doi. org / 10.12705 / 644.12" type="journal article" year="2015">Greuter &amp; Troia (2015)</bibRefCitation>
for previous typifications made by both
<bibRefCitation id="EFF65AAD3F18416C4AEBFEDAFBA3FEFB" author="Pfeiffer, N. E." box="[907,1074,263,290]" pageId="4" pageNumber="290" pagination="79 - 232" refId="ref4178" refString="Pfeiffer, N. E. (1922) Monograph of the Isoetaceae. Annals of the Missouri Botanical Garden 9: 79 - 232. https: // doi. org / 10.2307 / 2990000" type="journal article" year="1922">Pfeiffer (1922)</bibRefCitation>
and
<bibRefCitation id="EFF65AAD3F18416C4D09FEDAFB6FFEF8" author="Fuchs, H. P." box="[1129,1278,263,289]" pageId="4" pageNumber="290" pagination="1 - 103" refId="ref3921" refString="Fuchs, H. P. (1962) Nomenklatur, Taxonomie und Systematik der Gattung Isoetes Linnaeus in geschichtlicher Betrachtung. Beihefte Nova Hedwigia 3: 1 - 103." type="journal article" year="1962">Fuchs (1962)</bibRefCitation>
that have to be refuted. Although we have seen several herbarium sheets whose date and site of collection were compatible with the protologue, we have selected the specimen with barcode P01217445 which includes a hand-written label by Durieu, with the gathering label (by Cosson) showing both the locality “Lac de Guéry” and the date “1850” that is prior to the date of publication of the species name. This sheet includes 12 plants in good condition and with the typical characteristics of the species. To be unequivocal, we have selected as
<typeStatus id="54DC99FE3F18416C4AEFFE66FC67FE0C" box="[911,1014,443,469]" pageId="4" pageNumber="290" type="lectotype">lectotype</typeStatus>
the single plant, consisting of 7 pieces, at the left bottom of the sheet (
<figureCitation id="135C3BD93F18416C4880FE02FDB2FE23" box="[480,547,479,506]" captionStart="FIGURE 3" captionStartId="4.[136,234,1994,2016]" captionTargetBox="[342,1246,531,1970]" captionTargetId="figure-176@4.[342,1246,531,1970]" captionTargetPageId="4" captionText="FIGURE 3. Lectotype (the individual bottom left, dissected as seven pieces and attached to a single label) of Isoetes echinospora (P barcode P01217445)." figureDoi="http://doi.org/10.5281/zenodo.13214090" httpUri="https://zenodo.org/record/13214090/files/figure.png" pageId="4" pageNumber="290">Fig. 3</figureCitation>
), from which we removed and imaged spores (
<figureCitation id="135C3BD93F18416C4D52FE02FBE9FE23" box="[1074,1144,479,506]" captionStart="FIGURE 4" captionStartId="5.[136,234,858,880]" captionTargetBox="[151,1436,190,834]" captionTargetId="figure-22@5.[151,1436,190,834]" captionTargetPageId="5" captionText="FIGURE 4. SEM images of megaspores from the lectotype of Isoetes echinospora: A. distal view; B. proximal view; C. equatorial view. Scale bar = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.13214092" httpUri="https://zenodo.org/record/13214092/files/figure.png" pageId="4" pageNumber="290">Fig. 4</figureCitation>
).
</paragraph>
<caption id="DF1877D43F18416C49E8F817FEC6F7DD" ID-DOI="http://doi.org/10.5281/zenodo.13214090" ID-Zenodo-Dep="13214090" httpUri="https://zenodo.org/record/13214090/files/figure.png" pageId="4" pageNumber="290" startId="4.[136,234,1994,2016]" targetBox="[342,1246,531,1970]" targetPageId="4" targetType="figure">
<paragraph id="8BD8275C3F18416C49E8F817FEC6F7DD" blockId="4.[136,1452,1994,2052]" pageId="4" pageNumber="290">
<emphasis id="B913FB4E3F18416C49E8F817FE95F806" bold="true" box="[136,260,1994,2016]" pageId="4" pageNumber="290">FIGURE 3.</emphasis>
Lectotype (the individual bottom left, dissected as seven pieces and attached to a single label) of
<taxonomicName id="4C675CDF3F18416C4DAEF816FA1EF806" authorityName="Durieu de Maisonneuve" authorityYear="1861" box="[1230,1423,1994,2016]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="4" pageNumber="290" phylum="Tracheophyta" rank="species" species="echinospora">
<emphasis id="B913FB4E3F18416C4DAEF816FA1EF806" box="[1230,1423,1994,2016]" italics="true" pageId="4" pageNumber="290">Isoetes echinospora</emphasis>
</taxonomicName>
(P barcode P01217445).
</paragraph>
</caption>
<caption id="DF1877D43F19416D49E8FC87FEDDFC4D" ID-DOI="http://doi.org/10.5281/zenodo.13214092" ID-Zenodo-Dep="13214092" httpUri="https://zenodo.org/record/13214092/files/figure.png" pageId="5" pageNumber="291" startId="5.[136,234,858,880]" targetBox="[151,1436,190,834]" targetPageId="5" targetType="figure">
<paragraph id="8BD8275C3F19416D49E8FC87FEDDFC4D" blockId="5.[136,1452,858,916]" pageId="5" pageNumber="291">
<emphasis id="B913FB4E3F19416D49E8FC87FE93FCB6" bold="true" box="[136,258,858,880]" pageId="5" pageNumber="291">FIGURE 4.</emphasis>
SEM images of megaspores from the lectotype of
<taxonomicName id="4C675CDF3F19416D4B87FC86FC36FCB6" authorityName="Durieu de Maisonneuve" authorityYear="1861" box="[743,935,858,880]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="5" pageNumber="291" phylum="Tracheophyta" rank="species" species="echinospora">
<emphasis id="B913FB4E3F19416D4B87FC86FC36FCB6" box="[743,935,858,880]" italics="true" pageId="5" pageNumber="291">Isoetes echinospora</emphasis>
</taxonomicName>
:
<emphasis id="B913FB4E3F19416D4AD3FC87FC5BFCB6" bold="true" box="[947,970,858,879]" pageId="5" pageNumber="291">A.</emphasis>
distal view;
<emphasis id="B913FB4E3F19416D4D24FC86FBCBFCA9" bold="true" box="[1092,1114,859,880]" pageId="5" pageNumber="291">B.</emphasis>
proximal view; C. equatorial view. Scale bar = 100 µm.
</paragraph>
</caption>
<paragraph id="8BD8275C3F19416D49DDFC1EFC15FBB4" blockId="5.[136,1452,963,1309]" pageId="5" pageNumber="291">
The cited specimens were all originally identified as
<taxonomicName id="4C675CDF3F19416D4A6BFC19FC13FC04" authorityName="Linnaeus [1753:" authorityYear="1100" box="[779,898,963,989]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="5" pageNumber="291" phylum="Tracheophyta" rank="species" species="lacustris">
<emphasis id="B913FB4E3F19416D4A6BFC19FC13FC04" box="[779,898,963,989]" italics="true" pageId="5" pageNumber="291">I. lacustris</emphasis>
</taxonomicName>
, a distinct species that also grew in the same lake (
<bibRefCitation id="EFF65AAD3F19416D49EFFC3AFE03FBDB" author="Greuter, W. &amp; Troia, A." box="[143,402,999,1026]" pageId="5" pageNumber="291" pagination="811 - 815" refId="ref3981" refString="Greuter, W. &amp; Troia, A. (2015) Disentangling Isoetes setacea and removing threats to Isoetes echinospora. Taxon 64: 811 - 815. https: // doi. org / 10.12705 / 644.12" type="journal article" year="2015">Greuter &amp; Troia 2015</bibRefCitation>
). As the possibility of mixed specimens representing the two species or their sterile hybrid
<taxonomicName id="4C675CDF3F19416D49E8FBD1FD3DFBFF" authority="Brunton &amp; Rumsey (2021: 507)" authorityName="Brunton &amp; Rumsey" authorityPageNumber="507" authorityYear="2021" box="[136,684,1035,1062]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" isHybrid="true" kingdom="Plantae" order="Isoetales" pageId="5" pageNumber="291" phylum="Tracheophyta" rank="species" species="jermyi">
<emphasis id="B913FB4E3F19416D49E8FBD1FEA8FBFC" box="[136,313,1036,1061]" italics="true" pageId="5" pageNumber="291">Isoetes ×jermyi</emphasis>
<bibRefCitation id="EFF65AAD3F19416D4821FBD6FD3DFBFF" author="Brunton, D. F. &amp; Rumsey, F. J." box="[321,684,1035,1062]" pageId="5" pageNumber="291" pagination="503 - 511" refId="ref3734" refString="Brunton, D. F. &amp; Rumsey, F. J. (2021) Isoetes × jermyi hyb. nov. (Isoetaceae), a new quillwort (lycophyte) hybrid from western Europe. Botany Letters 168: 503 - 511. https: // doi. org / 10.1080 / 23818107.2021.1907223" type="journal article" year="2021">Brunton &amp; Rumsey (2021: 507)</bibRefCitation>
</taxonomicName>
cannot be ruled out, we refrain from indicating additional potential
<typeStatus id="54DC99FE3F19416D49E8FBF2FE8BFB90" box="[136,282,1071,1097]" pageId="5" pageNumber="291" type="isolectotype">isolectotypes</typeStatus>
(e.g. the remaining 11 plants of P01217445, P01217446, and P01224375) until all corresponding spores can be imaged to confirm the identification of each individual plant.
</paragraph>
<paragraph id="8BD8275C3F19416D49DDFBABFCE0FAC4" blockId="5.[136,1452,963,1309]" pageId="5" pageNumber="291">
<emphasis id="B913FB4E3F19416D49DDFBABFF64FB49" bold="true" box="[189,245,1142,1168]" pageId="5" pageNumber="291">Note</emphasis>
.—Lake Guéry was natural, of volcanic origin, originating from the obstruction of two watercourses by a basaltic flow, about two million years ago, followed by erosion by glacial scouring. The natural lake level was raised around 1890 to form a reservoir for a hydroelectric power station downstream (Espaces naturels sensibles - Département du Puy-de-Dôme 2023), and probably this caused the
<taxonomicName id="4C675CDF3F19416D4A16FB3DFC55FB20" box="[886,964,1248,1273]" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="5" pageNumber="291" phylum="Tracheophyta" rank="genus">
<emphasis id="B913FB4E3F19416D4A16FB3DFC55FB20" box="[886,964,1248,1273]" italics="true" pageId="5" pageNumber="291">Isoetes</emphasis>
</taxonomicName>
populations to disappear. Unfortunately, no
<taxonomicName id="4C675CDF3F19416D49E8FAD9FEBFFAC4" box="[136,302,1283,1309]" pageId="5" pageNumber="291">
<emphasis id="B913FB4E3F19416D49E8FAD9FF47FAC4" box="[136,214,1284,1309]" italics="true" pageId="5" pageNumber="291">Isoetes</emphasis>
species
</taxonomicName>
has subsequently been observed at the Lake Guéry.
</paragraph>
</subSubSection>
</treatment>
</document>