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<document id="A246B3363077D1D2869615AC2C42BA33" ID-DOI="10.5281/zenodo.291815" ID-ISBN="3-7643-0843-5" ID-Zenodo-Dep="291815" checkinTime="1646762399552" checkinUser="donat" docAuthor="Hess, Hans Ernst, Landolt, Elias &amp; Hirzel, Rosmarie" docDate="1972" docId="06EAED15A6AB40909AAFB72CDF3590B1" docLanguage="de" docName="36E6AC1FB8BC1FC524F55871EAF4A080" docOrigin="Birkhaeuser Verlag" docSource="https://doi.org/10.5281/zenodo.291815" docTitle="Isoetes echinospora Dur." docType="treatment" docVersion="6" lastPageNumber="161" masterDocId="36E6AC1FB8BC1FC524F55871EAF4A080" masterDocTitle="Flora der Schweiz und angrenzender Gebiete. Band 1. Pteridophyta bis Caryophyllaceae (2 nd edition): Registerzuband 1" pageNumber="161" updateTime="1690917483640" updateUser="admin">
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<mods:title id="47A25A8225F0F504596216BDAC127A3D">Flora der Schweiz und angrenzender Gebiete. Band 1. Pteridophyta bis Caryophyllaceae (2 nd edition): Registerzuband 1</mods:title>
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<mods:namePart id="6C8E89FC9812CAC866CF309E68104974">Hess, Hans Ernst</mods:namePart>
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<mods:namePart id="8D56818863A966C3B4D271CBD5FAFFDB">Landolt, Elias</mods:namePart>
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<mods:namePart id="DCE050610EB8F1F59D1A19B72BC3004C">Hirzel, Rosmarie</mods:namePart>
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<treatment id="06EAED15A6AB40909AAFB72CDF3590B1" LSID="urn:lsid:plazi:treatment:06EAED15A6AB40909AAFB72CDF3590B1" httpUri="http://treatment.plazi.org/id/06EAED15A6AB40909AAFB72CDF3590B1" lastPageNumber="161" pageId="null" pageNumber="161" sec="registerzuband1.s148">
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<taxonomicName id="969C76501A935D50D84EC8296D04BFFB" ID-CoL="935P4" authority="Dur." class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="null" pageNumber="161" phylum="Tracheophyta" rank="species" species="echinospora">
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</pageBreakToken>
<normalizedToken id="BEE549A66EDB966E1BC0A43FCD262EDE" originalValue="echinóspora" pageId="null" pageNumber="161">echinospora</normalizedToken>
Dur.
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="0C3354460687FC00C85EF09F1850F79A" pageId="null" pageNumber="161" type="vernacular_names">
<paragraph id="EB463DCEB77CAD589675278185852B90" pageId="null" pageNumber="161">Stachelsporiges Brachsenkraut</paragraph>
</subSubSection>
</title>
<subSubSection id="259FD912D64187F85BF6934FCCEDFCBE" pageId="null" pageNumber="161" type="description">
<paragraph id="B5AAF70041055A7DB35F1F99B78C577A" pageId="null" pageNumber="161">
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, 5-10 cm lang
</emphasis>
, vom Grunde an
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in eine feine Spitze
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,
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(beim Herausziehen aus dem Wasser in
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aneinanderhaftend), im Querschnitt
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bis 3eckig. Sporangien ellipsoidisch, 3-7 mm lang. Makrosporen
<normalizedToken id="6C38F00BCE17E37FEEBCE08932F48533" originalValue="weiß" pageId="null" pageNumber="161">weiss</normalizedToken>
, im Durchmesser 0,45-0,55 mm,
<emphasis id="27C69564891F87FD5894EFD073086E9E" italics="true" pageId="null" pageNumber="161">dicht mit 0,03-0,05 mm hohen, zylindrischen bis stachligen Gebilden bedeckt</emphasis>
(25fache
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!). Mikrosporen im Durchmesser 0,2-0,3 mm, mit undeutlich netziger
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. - Sporenreife: Sommer.
</paragraph>
<paragraph id="2762DE6FF7BFA314662BA9188FCA78EB" pageId="null" pageNumber="161">
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<pageBreakToken id="5A50FA5F8226D7B8B729E1AC43E769C3" pageId="null" pageNumber="161">Zytologische</pageBreakToken>
Angaben. 2n = 22, 24 und, ca. 100:
</emphasis>
Material aus Schweden (Ehrenberg 1945).
<emphasis id="00B814FCA832C084A6AD554AA022239E" italics="true" pageId="null" pageNumber="161">2n</emphasis>
=
<emphasis id="FE844DC9FFF77E53CE0F18A5D905AA23" italics="true" pageId="null" pageNumber="161">22:</emphasis>
Material aus Island (
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und
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1961b). Manton (1960) nimmt an,
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es sich bei den Pflanzen mit 2n ca. 100 um Bastarde mit
<taxonomicName id="7A04AA7FB85E05AD3FE03D3FEDA9B981" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="null" pageNumber="161" phylum="Tracheophyta" rank="species" species="lacustris">
<emphasis id="F84FE3223D94F4F1710775EA4487C3DC" italics="true" pageId="null" pageNumber="161">I. lacustris</emphasis>
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handeln
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.
</paragraph>
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<emphasis id="3E42DEB88DCB78D22D43E9BA231956F9" italics="true" pageId="null" pageNumber="161">Standort.</emphasis>
Kollin und montan. Kalkfreies,
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, bis 2 m tiefes, stehendes Wasser,
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sandigem Grund. In den montanen Seen des Schwarzwaldes und der Vogesen im
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<normalizedToken id="F0FD3C82C4C722A0F216DFF98F322ADE" originalValue="Isoëtetum" pageId="null" pageNumber="161">Isoetetum</normalizedToken>
echinospori
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W. Koch 1926.
</paragraph>
<paragraph id="B9B971F359FE36273D6D43153AF99543" pageId="null" pageNumber="161">
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Verbreitung. Mittel- und
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Pflanze:
</emphasis>
Island, Britische Inseln, ganz Skandinavien, Finnland, auf dem Kontinent nur wenige zerstreute Fundstellen in Zentralfrankreich, Belgien,
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, Vogesen, Schwarzwald,
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,
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, Norddeutschland, Baltikum, Polen,
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, Ural; isoliert im Baikalseegebiet. Verbreitungskarten von
<normalizedToken id="8B46D03DEDE34C4C8BD7D90DF4E17E84" originalValue="Hultén" pageId="null" pageNumber="161">Hulten</normalizedToken>
(1958) und Meusel (1964); in Ostasien, Nordamerika und
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verwandte Sippen (
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1958 und Meusel 1964). - Im Gebiet: Vogesen, Schwarzwald, Langensee und Lago
<normalizedToken id="B330C0CCA7B4B0F3185DA3DF445269D6" originalValue="dOrta" pageId="null" pageNumber="161">d'Orta</normalizedToken>
.
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<paragraph id="ABF10AF185D8235403F2852D9D85886C" pageId="null" pageNumber="161">
<emphasis id="DB24D1E30B588E2178204F85E8BFBD8C" italics="true" pageId="null" pageNumber="161">Bemerkungen.</emphasis>
Dort, wo unsere beiden Arten nebeneinander Vorkommen (Seen des Schwarzwaldes und der Vogesen), lassen sie sich an der
<emphasis id="A2572AF8DE011F3E72674E1ED14AABAB" italics="true" pageId="null" pageNumber="161">
verschiedenen Farbe und
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</emphasis>
meist leicht unterscheiden. Im Gebiet sind beide Arten
<emphasis id="6325DC0026FA3E41D8ECA12C8223C631" italics="true" pageId="null" pageNumber="161">einheitlich</emphasis>
, im eurosibirisch-nordamerikanischen Areal jedoch sehr polymorph und kaum
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systematisch gegliedert (verschiedene
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). Beide Arten unserer Flora sollten zytologisch untersucht werden. An der nordamerikanischen
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ssp.
<emphasis id="E5BC1FEC4671C60A0F508F003187D512" italics="true" pageId="null" pageNumber="161">muricata</emphasis>
(Dur.)
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et
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</taxonomicName>
<normalizedToken id="D4D9BEE97FAA969AA22CF713FC20FFD5" originalValue="zählte" pageId="null" pageNumber="161">zaehlte</normalizedToken>
Dunlop (1949) an Material aus Wisconsin
<emphasis id="0B6A44E644F20B86531D1A36F0950619" italics="true" pageId="null" pageNumber="161">2n = 24-26</emphasis>
. Die zytotaxonomische Untersuchung des
<taxonomicName id="5D1515239DCC30001D39D15721347C5F" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="null" pageNumber="161" phylum="Tracheophyta" rank="species" species="echinospora">
<emphasis id="F3661E8340DD165A62A6722A9978986A" italics="true" pageId="null" pageNumber="161">I. echinospora</emphasis>
</taxonomicName>
-Komplexes durch
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(1962) bringt
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uns keine neuen Gesichtspunkte.
</paragraph>
<paragraph id="BB244817BBDF6BD1AE2C6D433531700F" pageId="null" pageNumber="161">
Da
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<emphasis id="F0E160D5AFEB3FE8A685637DE672D6D7" italics="true" pageId="null" pageNumber="161">I. echinospora</emphasis>
</taxonomicName>
systematisch noch nicht befriedigend gegliedert ist (Vielgestaltigkeit hinsichtlich
<normalizedToken id="2CB2D312FD8C4CD55370077C03480727" originalValue="Oberflächenstruktur" pageId="null" pageNumber="161">Oberflaechenstruktur</normalizedToken>
der Sporen und Zahl der
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)
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wir von den neu vorgeschlagenen Namen weder
<taxonomicName id="A636325432402891F6CEC6526149D3C6" authority="(Leman) Desv." authorityName="Desv." baseAuthorityName="Leman" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="null" pageNumber="161" phylum="Tracheophyta" rank="species" species="tenella">
<emphasis id="CAC0D04E071F311BC39370E91E10B1E0" italics="true" pageId="null" pageNumber="161">I. tenella</emphasis>
(
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) Desv.
</taxonomicName>
noch
<taxonomicName id="00958EBCDC5FBD3ACB95E87A75C6DEA1" authority="Lam." authorityName="Lam." class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" kingdom="Plantae" order="Isoetales" pageId="null" pageNumber="161" phylum="Tracheophyta" rank="species" species="setacea">
<emphasis id="FE8AC9CA041BB80A7890D3D6CF7715EC" italics="true" pageId="null" pageNumber="161">I. setacea</emphasis>
Lam.
</taxonomicName>
</paragraph>
</subSubSection>
</treatment>
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