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<document id="A21FEAE6412B9C03887B02B5436DD879" ID-CLB-Dataset="4076" ID-DOI="10.11646/phytotaxa.522.3.7" ID-GBIF-Dataset="bee17a33-bc94-43a7-8f47-d16e7525dcd3" ID-ISSN="1179-3163" ID-Zenodo-Dep="5560451" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1633933775206" checkinUser="plazi" docAuthor="Van Westen, Marien C. &amp; Coesel, Peter F. M." docDate="2021" docId="073487890E56FFF8FF70FA43FBA8FD3E" docLanguage="en" docName="phytotaxa.522.3.7.pdf" docOrigin="Phytotaxa 522 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.522.3.7" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.7:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="7" docTitle="Cosmarium neonotabile Van Westen &amp; Coesel 2021, spec. nov." docType="treatment" docVersion="8" lastPageNumber="246" masterDocId="FB0DFFF10E52FFFEFFF8FFDCFF97FF8E" masterDocTitle="Taxonomic notes on desmids from the Netherlands IV, with a description of another five new species" masterLastPageNumber="248" masterPageNumber="240" pageNumber="244" updateTime="1699459418767" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="2BA66B039BA618D3EDA00323C1E8B3B2">Taxonomic notes on desmids from the Netherlands IV, with a description of another five new species</mods:title>
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<mods:namePart id="1300BB3CD24F0F3C293EDF9C44AD5772">Van Westen, Marien C.</mods:namePart>
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<mods:affiliation id="7BD7767518C74F8AF08F187966D83AEB">Podzolhamel 26, 9403 XC Assen, The Netherlands. &amp; mvanwesten @ home. nl; https: // orcid. org / 0000 - 0001 - 6905 - 9471</mods:affiliation>
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<mods:namePart id="529D9B9BB664D854E0FC99516C35D328">Coesel, Peter F. M.</mods:namePart>
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<mods:affiliation id="F81BBAFA1B8994707FC24A8236EA55D2">Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Box 94240, 1090 GE Amsterdam, The Netherlands. &amp; p. f. m. coesel @ uva. nl; https: // orcid. org / 0000 - 0001 - 7709 - 4154</mods:affiliation>
<mods:nameIdentifier id="03F20A44F79111D9F800E6114FDFC224" type="email">p.f.m.coesel@uva.nl</mods:nameIdentifier>
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<mods:title id="98E5C768AD94406403854A9D32A68E4B">Phytotaxa</mods:title>
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<mods:date id="CA530978BAC2F67CFDF1D00E9395DB0E">2021</mods:date>
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<mods:number id="CEC3BDDEFCF92EA8F9C9342731720306">2021-10-11</mods:number>
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<mods:number id="AF034F54783ECE738711004BC184AEE6">522</mods:number>
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<mods:number id="BB3B0C2B61FC6F27AB90FDA9A0287DD7">3</mods:number>
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<treatment id="073487890E56FFF8FF70FA43FBA8FD3E" ID-DOI="http://doi.org/10.5281/zenodo.5560449" ID-GBIF-Taxon="188614040" ID-Zenodo-Dep="5560449" LSID="urn:lsid:plazi:treatment:073487890E56FFF8FF70FA43FBA8FD3E" httpUri="http://treatment.plazi.org/id/073487890E56FFF8FF70FA43FBA8FD3E" lastPageId="6" lastPageNumber="246" pageId="4" pageNumber="244">
<subSubSection id="C78765140E56FFFAFF70FA43FBB8FA37" box="[136,1071,1438,1466]" pageId="4" pageNumber="244" type="nomenclature">
<paragraph id="8F22369F0E56FFFAFF70FA43FBB8FA37" blockId="4.[136,1071,1438,1466]" box="[136,1071,1438,1466]" pageId="4" pageNumber="244">
<heading id="D46A81F30E56FFFAFF70FA43FBB8FA37" box="[136,1071,1438,1466]" fontSize="11" level="2" pageId="4" pageNumber="244" reason="3">
<taxonomicName id="489D4D1C0E56FFFAFF70FA43FD0FFA37" authority="Van Westen &amp; Coesel" authorityName="Van Westen &amp; Coesel" authorityYear="2021" box="[136,664,1438,1466]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="244" phylum="Charophyta" rank="species" species="neonotabile" status="sp. nov.">
<emphasis id="BDE9EA8D0E56FFFAFF70FA43FE0AFA37" bold="true" box="[136,413,1438,1465]" italics="true" pageId="4" pageNumber="244">Cosmarium neonotabile</emphasis>
Van Westen &amp; Coesel
</taxonomicName>
<emphasis id="BDE9EA8D0E56FFFAFD67FA7CFC9AFA37" box="[671,781,1440,1465]" italics="true" pageId="4" pageNumber="244">
<taxonomicNameLabel id="A6DA57F60E56FFFAFD67FA7CFC9AFA37" box="[671,781,1440,1465]" pageId="4" pageNumber="244" rank="species">spec. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="17A62A1A0E56FFFAFCE3FA43FC17FA37" box="[795,896,1439,1465]" captionStart="FIGURES 1–8" captionStartId="1.[136,243,1628,1650]" captionTargetBox="[193,1407,212,1571]" captionTargetId="figure-19@1.[151,1436,187,1600]" captionTargetPageId="1" captionText="FIGURES 1–8. Drawings 1. Cosmarium grantii (from Eexterveld, province of Drenthe, the Netherlands). 2. C. palatiniforme. 3, 4. C. neonotabile (no 4 from Holmers, province of Drenthe, the Netherlands). 5. C. neocrenatum. 6. C. sphagnicola. 7. C. sphagnicoliforme (with zygospore). 8. C. regnesiforme." figureDoi="http://doi.org/10.5281/zenodo.5560453" httpUri="https://zenodo.org/record/5560453/files/figure.png" pageId="4" pageNumber="244">Figs 3, 4</figureCitation>
,
<figureCitation id="17A62A1A0E56FFFAFC74FA43FC69FA37" box="[908,1022,1439,1466]" captionStart="FIGURES 9–17" captionStartId="2.[136,243,1983,2005]" captionTargetBox="[203,1385,389,1958]" captionTargetId="figure-116@2.[203,1385,389,1958]" captionTargetPageId="2" captionText="FIGURES 9–17.LM photographs. 9–11. Cosmarium grantii (from Eexterveld). 12–14. C. neocrenatum (12 from Kiersche Wieden, province of Overijssel, the Netherlands, 13, 14 from type location). 15–17. C. neonotabile (16 from Holmers, 15,17 from type location). Scale bar = 10 µm" figureDoi="http://doi.org/10.5281/zenodo.5560457" httpUri="https://zenodo.org/record/5560457/files/figure.png" pageId="4" pageNumber="244">15, 16, 17</figureCitation>
,
<figureCitation id="17A62A1A0E56FFFAFBF2FA43FBB0FA37" box="[1034,1063,1439,1465]" captionStart="FIGURES 30–38" captionStartId="5.[136,243,1920,1942]" captionTargetBox="[151,1435,190,1895]" captionTargetId="figure-20@5.[151,1435,190,1895]" captionTargetPageId="5" captionText="FIGURES 30–38. SEM photographs. 30. Cosmarium grantii (from Eexterveld). 31. C. neocrenatum (from Iceland). 32. C. neonotabile (from Holmers). 33. C. palatiniforme (from type location). 34. C. sphagnicola (from Eexterveld). 35. C. sphagnicoliforme (from type location). 36, 37. C. regnesiforme (from type location). 38. C. regnesi (Zeijen, province of Drenthe, the Netherlands). Figures 30–33: Scale bar = 10 µm, Figures 34–38: Scale bar = 5 µm" figureDoi="http://doi.org/10.5281/zenodo.5560465" httpUri="https://zenodo.org/record/5560465/files/figure.png" pageId="4" pageNumber="244">32</figureCitation>
)
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C78765140E56FFF8FF70FA1FFBA8FD3E" lastPageId="6" lastPageNumber="246" pageId="4" pageNumber="244" type="diagnosis">
<paragraph id="8F22369F0E56FFFAFF70FA1FFA1BF938" blockId="4.[136,1452,1475,2078]" pageId="4" pageNumber="244">Diagnosis: Cells 1.4-1.6 times longer than broad with a shallow, linear sinus closed or narrowly open for the greater part. Semicells in frontal view trapeziform-oblong with slightly convex lateral sides and a truncate apex. Each semicell with 12-14 marginal crenations/undulations, those at the apex less deep than those on the lateral sides. Cell wall ornamentation consisting of 2-3 intramarginal, concentric series of flattened verrucae corresponding with the marginal crenations. Just above the isthmus sometimes another series of most flattened, hardly visible granules. Lateral cell view elliptic with a shallow, obtusely angled constriction. Apical view elliptic. Chloroplast with a single, central pyrenoid. Dimensions: cell length 22–31 µm, breadth 16–23 µm, L/B= 1.35–1.6, thickness about 15 µm, isthmus 10–13 µm.</paragraph>
<paragraph id="8F22369F0E56FFFAFF45F91CFDA7F8AF" blockId="4.[136,1452,1475,2078]" pageId="4" pageNumber="244">
<materialsCitation id="3FF53CC20E56FFFAFF45F91CFDBBF8AF" ID-GBIF-Occurrence="3382673303" collectingDate="2020-09-05" collectionCode="L" collectorName="Van Westen" country="Netherlands" latitude="52.278072" location="Hugo de Vries Lab" longLatPrecision="1" longitude="5.138113" pageId="4" pageNumber="244" specimenCount="1" stateProvince="Noord-Holland" typeStatus="holotype">
<collectorName id="226853490E56FFFAFF45F91CFF60F954" box="[189,247,1728,1754]" pageId="4" pageNumber="244">Type</collectorName>
:—
<collectingCountry id="F78A760F0E56FFFAFEE0F91CFDBFF957" box="[280,552,1727,1754]" name="Netherlands" pageId="4" pageNumber="244">THE NETHERLANDS</collectingCountry>
.
<collectorName id="226853490E56FFFAFDCCF963FD0FF957" box="[564,664,1727,1753]" pageId="4" pageNumber="244">Province</collectorName>
of
<collectingRegion id="4D59F87D0E56FFFAFD3AF963FCFAF957" box="[706,877,1727,1753]" country="Netherlands" name="Noord-Holland" pageId="4" pageNumber="244">Noord-Holland</collectingRegion>
in estate
<collectorName id="226853490E56FFFAFC26F963FBE4F957" box="[990,1139,1727,1753]" pageId="4" pageNumber="244">Laegieskamp</collectorName>
near
<collectorName id="226853490E56FFFAFB4EF91CFA84F954" box="[1206,1299,1728,1754]" pageId="4" pageNumber="244">Bussum</collectorName>
,
<geoCoordinate id="EAA950580E56FFFAFAD8F963FF08F970" degrees="52.278072" direction="north" orientation="latitude" pageId="4" pageNumber="244" precision="1" value="52.278072">52.278072 ° N</geoCoordinate>
,
<geoCoordinate id="EAA950580E56FFFAFF52F93FFEAFF970" box="[170,312,1763,1790]" degrees="5.138113" direction="east" orientation="longitude" pageId="4" pageNumber="244" precision="1" value="5.138113">5.138113° E</geoCoordinate>
.
<collectorName id="226853490E56FFFAFEBAF938FE5EF970" box="[322,457,1764,1790]" pageId="4" pageNumber="244">Van Westen</collectorName>
,
<date id="FB23105F0E56FFFAFE2BF93FFD09F973" box="[467,670,1763,1790]" pageId="4" pageNumber="244" value="2020-09-05">
<collectingDate id="EB67E9B70E56FFFAFE2BF93FFD09F973" box="[467,670,1763,1790]" pageId="4" pageNumber="244" value="2020-09-05">5 September 2020</collectingDate>
</date>
(
<typeStatus id="5026883D0E56FFFAFD54F93FFC87F973" box="[684,784,1763,1789]" pageId="4" pageNumber="244" type="holotype">holotype</typeStatus>
<collectionCode id="E98CAE5A0E56FFFAFCEEF93FFCBBF973" box="[790,812,1763,1789]" country="Netherlands" lsid="urn:lsid:biocol.org:col:15678" name="Nationaal Herbarium Nederland, Leiden University branch" pageId="4" pageNumber="244" type="Herbarium">L</collectionCode>
!
<location id="8A4260440E56FFFAFCCFF938FB9DF973" LSID="urn:lsid:plazi:treatment:073487890E56FFF8FF70FA43FBA8FD3E:8A4260440E56FFFAFCCFF938FB9DF973" box="[823,1034,1763,1790]" country="Netherlands" latitude="52.278072" longLatPrecision="1" longitude="5.138113" name="Hugo de Vries Lab" pageId="4" pageNumber="244" stateProvince="Noord-Holland">Hugo de Vries Lab</location>
2021.02, preserved as a fixed natural sample and represented by our fig. 3)
</materialsCitation>
.
</paragraph>
<paragraph id="8F22369F0E56FFFAFF45F8F7FC81F793" blockId="4.[136,1452,1475,2078]" pageId="4" pageNumber="244">
Differential diagnosis:—The above-diagnosed taxon much resembles
<taxonomicName id="489D4D1C0E56FFFAFC25F8F7FB41F8CB" authority="Brebisson" authorityName="Brebisson" authorityYear="1856" box="[989,1238,1835,1861]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="244" phylum="Charophyta" rank="species" species="notabile">
<emphasis id="BDE9EA8D0E56FFFAFC25F8F7FBCAF8CB" box="[989,1117,1835,1861]" italics="true" pageId="4" pageNumber="244">C. notabile</emphasis>
Brébisson
</taxonomicName>
as depicted in the flora by
<bibRefCitation id="EB0C4B6E0E56FFFAFF10F88CFE50F8E7" author="West, W. &amp; West, G. S." box="[232,455,1871,1898]" pageId="4" pageNumber="244" refId="ref4896" refString="West, W. &amp; West, G. S. (1908) A Monograph of the British Desmidiaceae. Vol. III. Ray Society, London, 274 pp. https: // doi. org / 10.5962 / bhl. title. 1619" type="book" year="1908">West &amp; West (1908</bibRefCitation>
, pl. 66: 15). However, the original illustration of
<taxonomicName id="489D4D1C0E56FFFAFC0DF893FBE4F8E7" authorityName="Brebisson" authorityYear="1856" box="[1013,1139,1871,1897]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="244" phylum="Charophyta" rank="species" species="notabile">
<emphasis id="BDE9EA8D0E56FFFAFC0DF893FBE4F8E7" box="[1013,1139,1871,1897]" italics="true" pageId="4" pageNumber="244">C. notabile</emphasis>
</taxonomicName>
by
<bibRefCitation id="EB0C4B6E0E56FFFAFB66F88CFA14F8E4" author="De Brebisson, A." box="[1182,1411,1871,1898]" pageId="4" pageNumber="244" pagination="113 - 166" refId="ref4221" refString="De Brebisson, A. (1856) Liste des Desmidiees observees en Basse-Normandie. Memoires de la Societe des sciences naturelles de Cherbourg 4: 113 - 166." type="journal article" year="1856">De Brébisson (1856</bibRefCitation>
, pl. 1: 15) shows cells with a higher number of marginal crenations (14–16 per semicell) and, more essentially, a distinctly narrower cell isthmus. Whereas isthmus to cell breadth ratio in our alga under discussion equals 0.55–0.64, that in De Brébisson’s one equals 0.4. For that matter, it has to be noticed that the intramarginal series of verrucae in our
<taxonomicName id="489D4D1C0E56FFFAFA6AF867FE9BF877" authorityName="Van Westen &amp; Coesel" authorityYear="2021" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="244" phylum="Charophyta" rank="species" species="neonotabile">
<emphasis id="BDE9EA8D0E56FFFAFA6AF867FE9BF877" italics="true" pageId="4" pageNumber="244">C. neonotabile</emphasis>
</taxonomicName>
may be flattened to such an extent that they are easily overlooked. That might explain the fact that
<bibRefCitation id="EB0C4B6E0E56FFFAFAA0F83CFEABF790" author="West, W. &amp; West, G. S." pageId="4" pageNumber="244" refId="ref4896" refString="West, W. &amp; West, G. S. (1908) A Monograph of the British Desmidiaceae. Vol. III. Ray Society, London, 274 pp. https: // doi. org / 10.5962 / bhl. title. 1619" type="book" year="1908">West &amp; West (1908: 16)</bibRefCitation>
designate
<taxonomicName id="489D4D1C0E56FFFAFE4CF7DFFDA7F793" authorityName="Brebisson" authorityYear="1856" box="[436,560,2051,2077]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="4" pageNumber="244" phylum="Charophyta" rank="species" species="notabile">
<emphasis id="BDE9EA8D0E56FFFAFE4CF7DFFDA7F793" box="[436,560,2051,2077]" italics="true" pageId="4" pageNumber="244">C. notabile</emphasis>
</taxonomicName>
as ‘smooth-walled’.
</paragraph>
<caption id="DBE266170E57FFFBFF70F85CFD17F78F" ID-DOI="http://doi.org/10.5281/zenodo.5560465" ID-Zenodo-Dep="5560465" httpUri="https://zenodo.org/record/5560465/files/figure.png" pageId="5" pageNumber="245" startId="5.[136,243,1920,1942]" targetBox="[151,1435,190,1895]" targetPageId="5">
<paragraph id="8F22369F0E57FFFBFF70F85CFD17F78F" blockId="5.[136,1452,1920,2050]" pageId="5" pageNumber="245">
<emphasis id="BDE9EA8D0E57FFFBFF70F85CFEA1F81B" bold="true" box="[136,310,1920,1942]" pageId="5" pageNumber="245">FIGURES 30–38</emphasis>
. SEM photographs. 30.
<taxonomicName id="489D4D1C0E57FFFBFDDAF85CFD4DF818" box="[546,730,1920,1942]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="5" pageNumber="245" phylum="Charophyta" rank="species" species="grantii">
<emphasis id="BDE9EA8D0E57FFFBFDDAF85CFD4DF818" box="[546,730,1920,1942]" italics="true" pageId="5" pageNumber="245">Cosmarium grantii</emphasis>
</taxonomicName>
(from Eexterveld). 31.
<taxonomicName id="489D4D1C0E57FFFBFC38F85CFBCEF818" authorityName="Van Westen &amp; Coesel" authorityYear="2021" box="[960,1113,1920,1942]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="5" pageNumber="245" phylum="Charophyta" rank="species" species="neocrenatum">
<emphasis id="BDE9EA8D0E57FFFBFC38F85CFBCEF818" box="[960,1113,1920,1942]" italics="true" pageId="5" pageNumber="245">C. neocrenatum</emphasis>
</taxonomicName>
(from Iceland
<emphasis id="BDE9EA8D0E57FFFBFB1CF85CFB65F81B" box="[1252,1266,1920,1941]" italics="true" pageId="5" pageNumber="245">).</emphasis>
32.
<taxonomicName id="489D4D1C0E57FFFBFAE5F85CFA3CF81B" authorityName="Van Westen &amp; Coesel" authorityYear="2021" box="[1309,1451,1920,1941]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="5" pageNumber="245" phylum="Charophyta" rank="species" species="neonotabile">
<emphasis id="BDE9EA8D0E57FFFBFAE5F85CFA3CF81B" box="[1309,1451,1920,1941]" italics="true" pageId="5" pageNumber="245">C. neonotabile</emphasis>
</taxonomicName>
(from Holmers). 33.
<emphasis id="BDE9EA8D0E57FFFBFEADF878FD91F837" box="[341,518,1956,1977]" italics="true" pageId="5" pageNumber="245">
<taxonomicName id="489D4D1C0E57FFFBFEADF878FE61F837" authorityName="Van Westen &amp; Coesel" authorityYear="2021" box="[341,502,1956,1977]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="5" pageNumber="245" phylum="Charophyta" rank="species" species="palatiniforme">C. palatiniforme</taxonomicName>
(
</emphasis>
from type location). 34.
<taxonomicName id="489D4D1C0E57FFFBFD0FF878FC1DF837" box="[759,906,1956,1977]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="5" pageNumber="245" phylum="Charophyta" rank="species" species="sphagnicola">
<emphasis id="BDE9EA8D0E57FFFBFD0FF878FC1DF837" box="[759,906,1956,1977]" italics="true" pageId="5" pageNumber="245">C. sphagnicola</emphasis>
</taxonomicName>
(from Eexterveld). 35.
<taxonomicName id="489D4D1C0E57FFFBFB8DF878FAACF837" authorityName="Van Westen &amp; Coesel" authorityYear="2021" box="[1141,1339,1956,1977]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="5" pageNumber="245" phylum="Charophyta" rank="species" species="sphagnicoliforme">
<emphasis id="BDE9EA8D0E57FFFBFB8DF878FAACF837" box="[1141,1339,1956,1977]" italics="true" pageId="5" pageNumber="245">C. sphagnicoliforme</emphasis>
</taxonomicName>
(from type location). 36, 37.
<taxonomicName id="489D4D1C0E57FFFBFEC6F814FE4DF853" authorityName="Van Westen &amp; Coesel" authorityYear="2021" box="[318,474,1992,2013]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="5" pageNumber="245" phylum="Charophyta" rank="species" species="regnesiforme">
<emphasis id="BDE9EA8D0E57FFFBFEC6F814FE4DF853" box="[318,474,1992,2013]" italics="true" pageId="5" pageNumber="245">C. regnesiforme</emphasis>
</taxonomicName>
(from type location). 38.
<taxonomicName id="489D4D1C0E57FFFBFD22F814FCAAF850" box="[730,829,1992,2014]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="5" pageNumber="245" phylum="Charophyta" rank="species" species="regnesi">
<emphasis id="BDE9EA8D0E57FFFBFD22F814FCAAF850" box="[730,829,1992,2014]" italics="true" pageId="5" pageNumber="245">C. regnesi</emphasis>
</taxonomicName>
(Zeijen, province of Drenthe, the Netherlands). Figures 30–33: Scale bar = 10 µm, Figures 34–38: Scale bar = 5 µm
</paragraph>
</caption>
<paragraph id="8F22369F0E54FFF8FF45FF42FB7CFE72" blockId="6.[136,1452,158,689]" pageId="6" pageNumber="246">
Unfortunately,
<bibRefCitation id="EB0C4B6E0E54FFF8FE92FF43FD8EFF37" author="De Bary, A." box="[362,537,158,185]" pageId="6" pageNumber="246" refId="ref4177" refString="De Bary, A. (1858) Untersuchungen uber die Familie der Conjugaten (Zygnemeen und Desmidieen). A. Forstnerische Buchhandlung, Leipzig, 91 pp. https: // doi. org / 10.5962 / bhl. title. 63789" type="book" year="1858">De Bary (1858</bibRefCitation>
, pl. 6: 52–54) under the name of
<taxonomicName id="489D4D1C0E54FFF8FC51FF43FB34FF36" authority="Brebisson" authorityName="Brebisson" authorityYear="1856" box="[937,1187,158,185]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="246" phylum="Charophyta" rank="species" species="notabile">
<emphasis id="BDE9EA8D0E54FFF8FC51FF43FBBEFF36" box="[937,1065,158,185]" italics="true" pageId="6" pageNumber="246">C. notabile</emphasis>
Brébisson
</taxonomicName>
depicted an alga most probably relating to
<taxonomicName id="489D4D1C0E54FFF8FE88FF1FFD14FF52" authority="Ducellier" authorityName="Ducellier" box="[368,643,194,221]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="246" phylum="Charophyta" rank="species" species="benedictum">
<emphasis id="BDE9EA8D0E54FFF8FE88FF1FFD84FF52" box="[368,531,194,221]" italics="true" pageId="6" pageNumber="246">C. benedictum</emphasis>
Ducellier
</taxonomicName>
(
<bibRefCitation id="EB0C4B6E0E54FFF8FD6BFF1EFC50FF52" author="Van Geest, A. &amp; Coesel, P. F. M." box="[659,967,194,220]" pageId="6" pageNumber="246" pagination="119 - 128" refId="ref4723" refString="Van Geest, A. &amp; Coesel, P. F. M. (2019) Some new and interesting desmids (Streptophyta, Desmidiales) from ephemeral puddles in the urban and industrial areas of Amsterdam (Netherlands). Phytotaxa 387: 119 - 128. https: // doi. org / 10.11646 / phytotaxa. 387.2.4" type="journal article" year="2019">Van Geest &amp; Coesel, 2019</bibRefCitation>
). As De Bary’s concept of
<taxonomicName id="489D4D1C0E54FFF8FB02FF1FFAEFFF52" authorityName="Brebisson" authorityYear="1856" box="[1274,1400,194,221]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="246" phylum="Charophyta" rank="species" species="notabile">
<emphasis id="BDE9EA8D0E54FFF8FB02FF1FFAEFFF52" box="[1274,1400,194,221]" italics="true" pageId="6" pageNumber="246">C. notabile</emphasis>
</taxonomicName>
was adopted in the flora by
<bibRefCitation id="EB0C4B6E0E54FFF8FE68FF3BFDF9FE8E" author="West, W. &amp; West, G. S." box="[400,622,230,257]" pageId="6" pageNumber="246" refId="ref4896" refString="West, W. &amp; West, G. S. (1908) A Monograph of the British Desmidiaceae. Vol. III. Ray Society, London, 274 pp. https: // doi. org / 10.5962 / bhl. title. 1619" type="book" year="1908">West &amp; West (1908</bibRefCitation>
, p. 15), a lot of confusion was to be expected in later publications. It was only Croasdale (in
<bibRefCitation id="EB0C4B6E0E54FFF8FE9CFED7FDE8FEAA" author="Prescott, G. W. &amp; Croasdale, H. T. &amp; Vinyard, W. C. &amp; Bicudo, C. E. M." box="[356,639,266,293]" pageId="6" pageNumber="246" refId="ref4544" refString="Prescott, G. W., Croasdale, H. T., Vinyard, W. C. &amp; Bicudo, C. E. M. (1981) A Synopsis of North American Desmids. Part II, Section 3. University of Nebraska Press, Lincoln / London, 720 pp." type="book" year="1981">
Prescott
<emphasis id="BDE9EA8D0E54FFF8FE30FED7FD95FEAA" box="[456,514,266,292]" italics="true" pageId="6" pageNumber="246">et al.</emphasis>
1981: 173
</bibRefCitation>
) who emphasized the difference in concept of
<taxonomicName id="489D4D1C0E54FFF8FB64FED7FA8CFEAA" authorityName="Brebisson" authorityYear="1856" box="[1180,1307,266,293]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="246" phylum="Charophyta" rank="species" species="notabile">
<emphasis id="BDE9EA8D0E54FFF8FB64FED7FA8CFEAA" box="[1180,1307,266,293]" italics="true" pageId="6" pageNumber="246">C. notabile</emphasis>
</taxonomicName>
between De Breìbisson (1856) and
<bibRefCitation id="EB0C4B6E0E54FFF8FE77FEF3FDDFFEC7" author="De Bary, A." box="[399,584,302,329]" pageId="6" pageNumber="246" refId="ref4177" refString="De Bary, A. (1858) Untersuchungen uber die Familie der Conjugaten (Zygnemeen und Desmidieen). A. Forstnerische Buchhandlung, Leipzig, 91 pp. https: // doi. org / 10.5962 / bhl. title. 63789" type="book" year="1858">De Bary (1858)</bibRefCitation>
. She rightly recognizes the need of a new name for the many (seemingly?) smooth-walled forms figuring in desmid literature under the name of
<taxonomicName id="489D4D1C0E54FFF8FC6EFE8FFB84FEE2" authorityName="Brebisson" authorityYear="1856" box="[918,1043,338,365]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="246" phylum="Charophyta" rank="species" species="notabile">
<emphasis id="BDE9EA8D0E54FFF8FC6EFE8FFB84FEE2" box="[918,1043,338,365]" italics="true" pageId="6" pageNumber="246">C. notabile</emphasis>
</taxonomicName>
and newly describes
<taxonomicName id="489D4D1C0E54FFF8FAFEFE8FFA3CFEE2" box="[1286,1451,338,365]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="246" phylum="Charophyta" rank="species" species="levinotabile">
<emphasis id="BDE9EA8D0E54FFF8FAFEFE8FFA3CFEE2" box="[1286,1451,338,365]" italics="true" pageId="6" pageNumber="246">C. levinotabile</emphasis>
</taxonomicName>
to meet that need. Unfortunately, as
<typeStatus id="5026883D0E54FFF8FDE6FEAAFD17FE1E" box="[542,640,374,400]" pageId="6" pageNumber="246" type="holotype">holotype</typeStatus>
of that species she mentions figs 6: 1–5 of
<taxonomicName id="489D4D1C0E54FFF8FB9EFEABFAF3FE1F" authority="in De Bary" authorityName="in De Bary" box="[1126,1380,374,401]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="246" phylum="Charophyta" rank="species" species="notabile">
<emphasis id="BDE9EA8D0E54FFF8FB9EFEABFB74FE1E" box="[1126,1251,374,401]" italics="true" pageId="6" pageNumber="246">C. notabile</emphasis>
in De Bary
</taxonomicName>
(must be 6: 52–54) and as iconotypes figs 198:
<quantity id="48659B7A0E54FFF8FDACFE46FD0CFE3A" box="[596,667,410,437]" metricMagnitude="-2" metricUnit="m" metricValue="7.62" metricValueMax="12.7" metricValueMin="2.54" pageId="6" pageNumber="246" unit="in" value="3.0" valueMax="5.0" valueMin="1.0">1–5 in</quantity>
<bibRefCitation id="EB0C4B6E0E54FFF8FD5AFE47FC1BFE3A" author="Prescott, G. W. &amp; Croasdale, H. T. &amp; Vinyard, W. C. &amp; Bicudo, C. E. M." box="[674,908,410,437]" pageId="6" pageNumber="246" refId="ref4544" refString="Prescott, G. W., Croasdale, H. T., Vinyard, W. C. &amp; Bicudo, C. E. M. (1981) A Synopsis of North American Desmids. Part II, Section 3. University of Nebraska Press, Lincoln / London, 720 pp." type="book" year="1981">
Prescott
<emphasis id="BDE9EA8D0E54FFF8FCFBFE47FCACFE3A" box="[771,827,410,436]" italics="true" pageId="6" pageNumber="246">et al.</emphasis>
(1981)
</bibRefCitation>
representing both the drawings of
<taxonomicName id="489D4D1C0E54FFF8FAEAFE47FF72FE57" authority="in De Bary" authorityName="in De Bary" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="246" phylum="Charophyta" rank="species" species="notabile">
<emphasis id="BDE9EA8D0E54FFF8FAEAFE47FA18FE3A" box="[1298,1423,410,437]" italics="true" pageId="6" pageNumber="246">C. notabile</emphasis>
in De Bary
</taxonomicName>
and drawings of
<taxonomicName id="489D4D1C0E54FFF8FE5BFE63FD88FE56" box="[419,543,446,473]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="246" phylum="Charophyta" rank="species" species="notabile">
<emphasis id="BDE9EA8D0E54FFF8FE5BFE63FD88FE56" box="[419,543,446,473]" italics="true" pageId="6" pageNumber="246">C. notabile</emphasis>
</taxonomicName>
in the flora by
<bibRefCitation id="EB0C4B6E0E54FFF8FD3CFE63FC32FE56" author="West, W. &amp; West, G. S." box="[708,933,446,473]" pageId="6" pageNumber="246" refId="ref4896" refString="West, W. &amp; West, G. S. (1908) A Monograph of the British Desmidiaceae. Vol. III. Ray Society, London, 274 pp. https: // doi. org / 10.5962 / bhl. title. 1619" type="book" year="1908">West &amp; West (1908)</bibRefCitation>
in our opinion representing distinctly different species. Consequently, Croasdale’s description of
<taxonomicName id="489D4D1C0E54FFF8FD40FE3FFCCAFE72" box="[696,861,482,509]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="246" phylum="Charophyta" rank="species" species="levinotabile">
<emphasis id="BDE9EA8D0E54FFF8FD40FE3FFCCAFE72" box="[696,861,482,509]" italics="true" pageId="6" pageNumber="246">C. levinotabile</emphasis>
</taxonomicName>
should be considered to be invalid.
</paragraph>
<paragraph id="8F22369F0E54FFF8FF45FDDBFBA8FD3E" blockId="6.[136,1452,158,689]" pageId="6" pageNumber="246">
Next to the trapeziform semicell shape rendered by our
<typeStatus id="5026883D0E54FFF8FCABFDDBFC14FDAF" box="[851,899,519,545]" pageId="6" pageNumber="246">type</typeStatus>
material of
<taxonomicName id="489D4D1C0E54FFF8FBE0FDDBFB56FDAE" authorityName="Van Westen &amp; Coesel" authorityYear="2021" box="[1048,1217,518,545]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="246" phylum="Charophyta" rank="species" species="neonotabile">
<emphasis id="BDE9EA8D0E54FFF8FBE0FDDBFB56FDAE" box="[1048,1217,518,545]" italics="true" pageId="6" pageNumber="246">C. neonotabile</emphasis>
</taxonomicName>
(figs 3, 15 and 17) elsewhere in
<collectingCountry id="F78A760F0E54FFF8FEE6FDF6FE58FDCA" box="[286,463,554,580]" name="Netherlands" pageId="6" pageNumber="246">the Netherlands</collectingCountry>
we encountered populations with predominantly semi-oblong semicells (figs 4, 16 and 32). That latter
<taxonomicName id="489D4D1C0E54FFF8FEC2FD92FE52FDE6" box="[314,453,590,616]" form="largely" pageId="6" pageNumber="246" rank="form">form largely</taxonomicName>
matches
<taxonomicName id="489D4D1C0E54FFF8FDCAFD93FC35FDE6" authority="Gronblad (1921" authorityName="Gronblad" authorityYear="1921" box="[562,930,590,617]" class="Conjugatophyceae" family="Desmidiaceae" genus="Cosmarium" kingdom="Plantae" order="Zygnematales" pageId="6" pageNumber="246" phylum="Charophyta" rank="species" species="cedercreutzii">
<emphasis id="BDE9EA8D0E54FFF8FDCAFD93FD73FDE6" box="[562,740,590,617]" italics="true" pageId="6" pageNumber="246">C. cedercreutzii</emphasis>
<bibRefCitation id="EB0C4B6E0E54FFF8FD14FD92FC35FDE6" author="Gronblad, R." box="[748,930,590,616]" pageId="6" pageNumber="246" pagination="1 - 78" refId="ref4308" refString="Gronblad, R. (1921) New desmids from Finland and northern Russia. Acta Societatis pro Fauna et Flora Fennica 49 (7): 1 - 78." type="journal article" year="1921">Grönblad (1921</bibRefCitation>
</taxonomicName>
, p. 27, pl. 6: 12-13) but is to be distinguished by much deeper marginal crenations. As the two cell forms found in our Dutch material appeared to be mutually connected by transitional forms we concluded to deal with one and the same species.
</paragraph>
</subSubSection>
</treatment>
</document>
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