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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.202.87306" ID-Pensoft-Pub="1314-2003-202-59" ID-Pensoft-UUID="E52FE46C7A7753D389E943D2735645FC" ModsDocID="1314-2003-202-59" checkinTime="1658525589193" checkinUser="pensoft" docAuthor="Sukhorukov, Alexander P., Kushunina, Maria &amp; Sennikov, Alexander N." docDate="2022" docId="42F0D9AF984D50A086F0F2D5670A7F05" docLanguage="en" docName="PhytoKeys 202: 59-72" docOrigin="PhytoKeys 202" docPubDate="2022-07-22" docSource="http://dx.doi.org/10.3897/phytokeys.202.87306" docTitle="Atriplex (sect. Obione) laciniata subsp. sect. (Gaertn.) Reichenb., Uebers. Gew. - Reich.: 164 (1828); C. A. Mey. in Ledeb. et al., Fl. Altaic. 4: 315 (1833)." docType="treatment" docVersion="1" id="E52FE46C7A7753D389E943D2735645FC" lastPageNumber="59" masterDocId="E52FE46C7A7753D389E943D2735645FC" masterDocTitle="A new classification of C 4 - Atriplex species in Russia, with the first alien record of Atriplex flabellum (Chenopodiaceae, Amaranthaceae) from North Siberia" masterLastPageNumber="72" masterPageNumber="59" pageNumber="59" updateTime="1658525589193" updateUser="pensoft">
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<mods:title>A new classification of C 4 - Atriplex species in Russia, with the first alien record of Atriplex flabellum (Chenopodiaceae, Amaranthaceae) from North Siberia</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Sukhorukov, Alexander P.</mods:namePart>
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<mods:affiliation>Department Higher Plants, Biological Faculty, Moscow State University, Leninskie Gory 1 / 12, Moscow, 119234, Russia &amp; Laboratory Herbarium (TK), Tomsk State University, Lenin Ave. 36, Tomsk, 634050, Russia</mods:affiliation>
<mods:nameIdentifier type="email">suchor@mail.ru</mods:nameIdentifier>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Kushunina, Maria</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-2541-6494</mods:nameIdentifier>
<mods:affiliation>Laboratory Herbarium (TK), Tomsk State University, Lenin Ave. 36, Tomsk, 634050, Russia &amp; Department Higher Plants, Biological Faculty, Moscow State University, Leninskie Gory 1 / 12, Moscow, 119234, Russia</mods:affiliation>
</mods:name>
<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Sennikov, Alexander N.</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-6664-7657</mods:nameIdentifier>
<mods:affiliation>Department Plant Physiology, Biological Faculty, Moscow State University, Leninskie Gory 1 / 12, Moscow, 119234, Russia</mods:affiliation>
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<mods:title>PhytoKeys</mods:title>
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<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-07-22</mods:number>
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<mods:detail type="volume">
<mods:number>202</mods:number>
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<mods:start>59</mods:start>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.202.87306</mods:url>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.202.87306</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-202-59</mods:identifier>
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<subSubSection pageId="0" pageNumber="59" type="nomenclature">
<paragraph pageId="0" pageNumber="59">
<taxonomicName LSID="42F0D9AF-984D-50A0-86F0-F2D5670A7F05" authority="(Gaertn.) Reichenb., Uebers. Gew. - Reich.: 164 (1828); C. A. Mey. in Ledeb. et al., Fl. Altaic. 4: 315 (1833)." authorityName="(Gaertn.) Reichenb., Uebers. Gew. - Reich.: 164 (1828); C. A. Mey. in Ledeb. et al., Fl. Altaic. 4: 315 (1833)." class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex subsp. sect." order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="section" section="Obione" species="laciniata" subSpecies="sect.">Atriplex sect. Obione (Gaertn.) Reichenb., Uebers. Gew.-Reich.: 164 (1828); C.A.Mey. in Ledeb. et al., Fl. Altaic. 4: 315 (1833).</taxonomicName>
</paragraph>
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<paragraph pageId="0" pageNumber="59">
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Obione" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Obione" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="genus">Obione</taxonomicName>
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Obione" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Obione" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="genus">Obione</taxonomicName>
Gaertn., De Fruct. 2: 198 (1791).
</paragraph>
<paragraph pageId="0" pageNumber="59">
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Obione" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Obione" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="section" section="Atriplicina">Obione Atriplicina</taxonomicName>
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Obione" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Obione subsp. sect." order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="section" section="Atriplicina" species="laciniata" subSpecies="sect.">Obione sect. Atriplicina</taxonomicName>
Moq., Chenop. Monogr. Enum.: 70 (1840), nom. inval. (Art. 22.2).
</paragraph>
<paragraph pageId="0" pageNumber="59">
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex (Obione)" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="subGenus" subGenus="Obione">Atriplex Obione</taxonomicName>
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex (Obione) subsp. subgen." order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="subGenus" species="laciniata" subGenus="Obione" subSpecies="subgen.">Atriplex subgen. Obione</taxonomicName>
(Gaertn.) Hook.f., Student Fl. Brit. Isl.: 320 (1870); Volkens in Engler &amp; Harms, Nat. Pflanzenfam. 3: 66 (1893).
</paragraph>
<paragraph pageId="0" pageNumber="59">
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="section" section="Atriplicina">Atriplex Atriplicina</taxonomicName>
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex subsp. sect." order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="section" section="Atriplicina" species="laciniata" subSpecies="sect.">Atriplex sect. Atriplicina</taxonomicName>
Volkens in Engler &amp; Harms, Nat. Pflanzenfam. 3: 66 (1893), nom. illeg. (Art. 52.1).
</paragraph>
<paragraph pageId="0" pageNumber="59">
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Obione" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Obione" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="section" section="Protobione">Obione Protobione</taxonomicName>
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Obione" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Obione subsp. sect." order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="section" section="Protobione" species="laciniata" subSpecies="sect.">Obione sect. Protobione</taxonomicName>
Aellen, Verh. Naturf. Ges. Basel 49: 133 (1938), nom. inval. (Art. 22.2). Type species:
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Obione" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Obione muricata" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="muricata">Obione muricata</taxonomicName>
Gaertn. (≡
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex sibirica" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="sibirica">Atriplex sibirica</taxonomicName>
L.).
</paragraph>
<paragraph pageId="0" pageNumber="59">
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="genus">Atriplex</taxonomicName>
=
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="genus">Atriplex</taxonomicName>
[unranked]
<taxonomicName family="Chenopodiaceae" genus="Sclerocalymma" higherTaxonomySource="treatment-meta" kingdom="Plantae" lsidName="Sclerocalymma" order="Caryophyllales" pageId="0" pageNumber="59" rank="genus">Sclerocalymma</taxonomicName>
Asch., Fl. Prov. Brandenburg 1(2): 578 (1864), syn. nov.
</paragraph>
<paragraph pageId="0" pageNumber="59">
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="section" section="Sclerocalymma">Atriplex Sclerocalymma</taxonomicName>
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex subsp. sect." order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="section" section="Sclerocalymma" species="sibirica" subSpecies="sect.">Atriplex sect. Sclerocalymma</taxonomicName>
(Asch.) Asch. &amp; Graebn., Syn. Mitteleur. Fl. 5(1): 139 (1919).
</paragraph>
<paragraph pageId="0" pageNumber="59">
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="section" section="Roseae">Atriplex Roseae</taxonomicName>
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex subsp. sect." order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="section" section="Roseae" species="sibirica" subSpecies="sect.">Atriplex sect. Roseae</taxonomicName>
Aellen, Bot. Jahrb. Syst. 70(1): 39 (1939),
<normalizedToken originalValue="“Rosea”">&quot;Rosea&quot;</normalizedToken>
, nom. illeg. (Art. 52.1). Type species:
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex rosea" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="rosea">Atriplex rosea</taxonomicName>
L.
</paragraph>
<paragraph pageId="0" pageNumber="59">
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="genus">Atriplex</taxonomicName>
=
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="genus">Atriplex</taxonomicName>
[unranked]
<taxonomicName family="Chenopodiaceae" genus="Argenteae" higherTaxonomySource="treatment-meta" kingdom="Plantae" lsidName="Argenteae" order="Caryophyllales" pageId="0" pageNumber="59" rank="genus">Argenteae</taxonomicName>
Standl. in Britton, N. Amer. Fl. 21: 46 (1916), syn. nov.
</paragraph>
<paragraph pageId="0" pageNumber="59">
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="subSection" subSection="Argenteae">Atriplex Argenteae</taxonomicName>
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex subsp. subsect." order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="subSection" species="rosea" subSection="Argenteae" subSpecies="subsect.">Atriplex subsect. Argenteae</taxonomicName>
(Standl.) S.L.Welsh, Rhodora 102: 420 (2001). Type species (Art. 10.8):
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex argentea" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="argentea">Atriplex argentea</taxonomicName>
Nutt.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="59" type="description">
<paragraph pageId="0" pageNumber="59">Description.</paragraph>
<paragraph pageId="0" pageNumber="59">Annuals; inflorescences leafy; glomerules loosely arranged.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="59" type="distribution">
<paragraph pageId="0" pageNumber="59">Native distribution and species.</paragraph>
<paragraph pageId="0" pageNumber="59">
Members of the section occur in steppes, semi-deserts and mountains of Central Asia (e.g.
<taxonomicName genus="A." lsidName="A. altaica" pageId="0" pageNumber="59" rank="species" species="altaica">
<emphasis italics="true" pageId="0" pageNumber="59">A. altaica</emphasis>
</taxonomicName>
,
<taxonomicName genus="A." lsidName="A. centralasiatica" pageId="0" pageNumber="59" rank="species" species="centralasiatica">
<emphasis italics="true" pageId="0" pageNumber="59">A. centralasiatica</emphasis>
</taxonomicName>
,
<taxonomicName genus="A." lsidName="A. pamirica" pageId="0" pageNumber="59" rank="species" species="pamirica">
<emphasis italics="true" pageId="0" pageNumber="59">A. pamirica</emphasis>
</taxonomicName>
,
<taxonomicName genus="A." lsidName="A. sibirica" pageId="0" pageNumber="59" rank="species" species="sibirica">
<emphasis italics="true" pageId="0" pageNumber="59">A. sibirica</emphasis>
</taxonomicName>
), in the Aralo-Caspian floristic region (
<taxonomicName genus="A." lsidName="A. sphaeromorpha" pageId="0" pageNumber="59" rank="species" species="sphaeromorpha">
<emphasis italics="true" pageId="0" pageNumber="59">A. sphaeromorpha</emphasis>
</taxonomicName>
), in the Mediterranean (
<taxonomicName genus="A." lsidName="A. rosea" pageId="0" pageNumber="59" rank="species" species="rosea">
<emphasis italics="true" pageId="0" pageNumber="59">A. rosea</emphasis>
</taxonomicName>
), and in North America (
<taxonomicName genus="A." lsidName="A. argentea" pageId="0" pageNumber="59" rank="species" species="argentea">
<emphasis italics="true" pageId="0" pageNumber="59">A. argentea</emphasis>
</taxonomicName>
Nutt.). Five species are native to Russia (
<taxonomicName genus="A." lsidName="A. altaica" pageId="0" pageNumber="59" rank="species" species="altaica">
<emphasis italics="true" pageId="0" pageNumber="59">A. altaica</emphasis>
</taxonomicName>
,
<taxonomicName genus="A." lsidName="A. centralasiatica" pageId="0" pageNumber="59" rank="species" species="centralasiatica">
<emphasis italics="true" pageId="0" pageNumber="59">A. centralasiatica</emphasis>
</taxonomicName>
,
<taxonomicName genus="A." lsidName="A. sibirica" pageId="0" pageNumber="59" rank="species" species="sibirica">
<emphasis italics="true" pageId="0" pageNumber="59">A. sibirica</emphasis>
</taxonomicName>
,
<taxonomicName genus="A." lsidName="A. sphaeromorpha" pageId="0" pageNumber="59" rank="species" species="sphaeromorpha">
<emphasis italics="true" pageId="0" pageNumber="59">A. sphaeromorpha</emphasis>
</taxonomicName>
, and
<taxonomicName genus="A." lsidName="A. rosea" pageId="0" pageNumber="59" rank="species" species="rosea">
<emphasis italics="true" pageId="0" pageNumber="59">A. rosea</emphasis>
</taxonomicName>
). The Central Asian species (
<taxonomicName genus="A." lsidName="A. altaica" pageId="0" pageNumber="59" rank="species" species="altaica">
<emphasis italics="true" pageId="0" pageNumber="59">A. altaica</emphasis>
</taxonomicName>
,
<taxonomicName genus="A." lsidName="A. centralasiatica" pageId="0" pageNumber="59" rank="species" species="centralasiatica">
<emphasis italics="true" pageId="0" pageNumber="59">A. centralasiatica</emphasis>
</taxonomicName>
,
<taxonomicName genus="A." lsidName="A. sibirica" pageId="0" pageNumber="59" rank="species" species="sibirica">
<emphasis italics="true" pageId="0" pageNumber="59">A. sibirica</emphasis>
</taxonomicName>
) are mostly confined to mountain steppes and screes in South Siberia, but
<taxonomicName genus="A." lsidName="A. centralasiatica" pageId="0" pageNumber="59" rank="species" species="centralasiatica">
<emphasis italics="true" pageId="0" pageNumber="59">A. centralasiatica</emphasis>
</taxonomicName>
and
<taxonomicName genus="A." lsidName="A. sibirica" pageId="0" pageNumber="59" rank="species" species="sibirica">
<emphasis italics="true" pageId="0" pageNumber="59">A. sibirica</emphasis>
</taxonomicName>
can be found also in saline and ruderal habitats.
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex rosea" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="rosea">
<emphasis italics="true" pageId="0" pageNumber="59">Atriplex rosea</emphasis>
</taxonomicName>
and
<taxonomicName genus="A." lsidName="A. sphaeromorpha" pageId="0" pageNumber="59" rank="species" species="sphaeromorpha">
<emphasis italics="true" pageId="0" pageNumber="59">A. sphaeromorpha</emphasis>
</taxonomicName>
are typical lowland species with similar morphology but different distribution patterns. The first species, with predominantly Mediterranean distribution, was considered native in the southern part of Eastern Europe (
<bibRefCitation author="Medvedeva, NA" editor="Tzvelev, NN" journalOrPublisher="9. World and Family- 95, Saint-Petersburg" pageId="0" pageNumber="59" pagination="44 - 54" refId="B17" refString="Medvedeva, NA, 1996. Atriplex. In: Tzvelev, NN, Ed., Flora of Eastern Europe, Vol. 9. World and Family-95, Saint-Petersburg: 44 - 54" title="Atriplex." volumeTitle="Flora of Eastern Europe, Vol." year="1996">Medvedeva 1996</bibRefCitation>
), whereas we treat it as native only in Krasnodarsky Kray, where it occurs near the shore of the Black Sea and in ruderal places further inland (
<bibRefCitation author="Sukhorukov, AP" journalOrPublisher="Biology" pageId="0" pageNumber="59" refId="B25" refString="Sukhorukov, AP, 2006. Zur Systematik und Chorologie der in Russland und den benachbarten Staaten (in den Grenzen der ehemaligen USSR) vorkommenden Atriplex-Arten (Chenopodiaceae). Annalen des Naturhistorischen Museums in Wien 108 B: 307-420." title="Zur Systematik und Chorologie der in Russland und den benachbarten Staaten (in den Grenzen der ehemaligen USSR) vorkommenden Atriplex-Arten (Chenopodiaceae). Annalen des Naturhistorischen Museums in Wien 108 B: 307 - 420." year="2006">Sukhorukov 2006</bibRefCitation>
;
<bibRefCitation author="Zernov, AS" journalOrPublisher="KMK Scientific Press, Moscow" pageId="0" pageNumber="59" refId="B33" refString="Zernov, AS, 2006. Flora of the North-West Caucasus. KMK Scientific Press, Moscow" title="Flora of the North-West Caucasus." year="2006">Zernov 2006</bibRefCitation>
).
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex sphaeromorpha" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="sphaeromorpha">
<emphasis italics="true" pageId="0" pageNumber="59">Atriplex sphaeromorpha</emphasis>
</taxonomicName>
is mainly distributed in steppes and semi-deserts of Kazakhstan, with very scattered records in Orenburg and Saratov Oblast, as well as in the North Caucasus (
<bibRefCitation author="Sukhorukov, AP" journalOrPublisher="Biology" pageId="0" pageNumber="59" pagination="58 - 59" refId="B24" refString="Sukhorukov, AP, 1999. On the distribution of Atriplex sphaeromorpha Iljin (Chenopodiaceae). Bulletin of the Moscow Society of Naturalists. Biology 104 (6): 58 - 59" title="On the distribution of Atriplex sphaeromorpha Iljin (Chenopodiaceae). Bulletin of the Moscow Society of Naturalists." volume="104" year="1999">Sukhorukov 1999</bibRefCitation>
,
<bibRefCitation author="Sukhorukov, AP" journalOrPublisher="Biology" pageId="0" pageNumber="59" refId="B25" refString="Sukhorukov, AP, 2006. Zur Systematik und Chorologie der in Russland und den benachbarten Staaten (in den Grenzen der ehemaligen USSR) vorkommenden Atriplex-Arten (Chenopodiaceae). Annalen des Naturhistorischen Museums in Wien 108 B: 307-420." title="Zur Systematik und Chorologie der in Russland und den benachbarten Staaten (in den Grenzen der ehemaligen USSR) vorkommenden Atriplex-Arten (Chenopodiaceae). Annalen des Naturhistorischen Museums in Wien 108 B: 307 - 420." year="2006">2006</bibRefCitation>
). In these regions,
<taxonomicName genus="A." lsidName="A. sphaeromorpha" pageId="0" pageNumber="59" rank="species" species="sphaeromorpha">
<emphasis italics="true" pageId="0" pageNumber="59">A. sphaeromorpha</emphasis>
</taxonomicName>
could potentially require conservation action according to the IUCN guidelines (
<bibRefCitation author="Iljin, MM" journalOrPublisher="6. Academy of Sciences of the USSR, Moscow &amp; Leningrad" pageId="0" pageNumber="59" publicationUrl="http://www.iucnredlist.org/documents/RedListGuidelines.pdf" refId="B12" refString="2022. . http://www.iucnredlist.org/documents/RedListGuidelines.pdf" url="http://www.iucnredlist.org/documents/RedListGuidelines.pdf" year="2022">IUCN 2022</bibRefCitation>
) because of a high level of anthropogenic disturbance to Eurasian grasslands. The native and alien ranges of all Russian species of
<taxonomicName genus="A." lsidName="A. subsp. sect." pageId="0" pageNumber="59" rank="section" section="Obione" species="sphaeromorpha" subSpecies="sect.">A. sect. Obione</taxonomicName>
are displayed in Fig.
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Schematic distribution areas of C 4 - species of Atriplex native to Russia A A. altaica B A. centralasiatica C A. rosea D A. sibirica E A. sphaeromorpha F A. tatarica. Green - native distribution range, yellow - alien distribution not confirmed after 1930 s, orange - alien distribution confirmed after 1930 s." figureDoi="10.3897/phytokeys.202.87306.figure1" httpUri="https://binary.pensoft.net/fig/718384" pageId="0" pageNumber="59">1A-E</figureCitation>
.
</paragraph>
<caption doi="10.3897/phytokeys.202.87306.figure1" httpUri="https://binary.pensoft.net/fig/718384" pageId="0" pageNumber="59" start="Figure 1" startId="F1">
<paragraph pageId="0" pageNumber="59">
<emphasis bold="true" pageId="0" pageNumber="59">Figure 1.</emphasis>
Schematic distribution areas of C4-species of
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="59">Atriplex</emphasis>
</taxonomicName>
native to Russia
<emphasis bold="true" pageId="0" pageNumber="59">A</emphasis>
<taxonomicName genus="A." lsidName="A. altaica" pageId="0" pageNumber="59" rank="species" species="altaica">
<emphasis italics="true" pageId="0" pageNumber="59">A. altaica</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="59">B</emphasis>
<taxonomicName genus="A." lsidName="A. centralasiatica" pageId="0" pageNumber="59" rank="species" species="centralasiatica">
<emphasis italics="true" pageId="0" pageNumber="59">A. centralasiatica</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="59">C</emphasis>
<taxonomicName genus="A." lsidName="A. rosea" pageId="0" pageNumber="59" rank="species" species="rosea">
<emphasis italics="true" pageId="0" pageNumber="59">A. rosea</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="59">D</emphasis>
<taxonomicName genus="A." lsidName="A. sibirica" pageId="0" pageNumber="59" rank="species" species="sibirica">
<emphasis italics="true" pageId="0" pageNumber="59">A. sibirica</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="59">E</emphasis>
<taxonomicName genus="A." lsidName="A. sphaeromorpha" pageId="0" pageNumber="59" rank="species" species="sphaeromorpha">
<emphasis italics="true" pageId="0" pageNumber="59">A. sphaeromorpha</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="59">F</emphasis>
<taxonomicName genus="A." lsidName="A. tatarica" pageId="0" pageNumber="59" rank="species" species="tatarica">
<emphasis italics="true" pageId="0" pageNumber="59">A. tatarica</emphasis>
</taxonomicName>
. Green - native distribution range, yellow - alien distribution not confirmed after 1930s, orange - alien distribution confirmed after 1930s.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="59" type="taxonomic notes">
<paragraph pageId="0" pageNumber="59">Taxonomic notes.</paragraph>
<paragraph pageId="0" pageNumber="59">
The synonymisation of
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex subsp. sect." order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="section" section="Obione" species="tatarica" subSpecies="sect.">Atriplex sect. Obione</taxonomicName>
with
<taxonomicName genus="A." lsidName="A. subsp. sect." pageId="0" pageNumber="59" rank="section" section="Sclerocalymma" species="tatarica" subSpecies="sect.">A. sect. Sclerocalymma</taxonomicName>
and
<taxonomicName genus="A." lsidName="A. subsp. subsect." pageId="0" pageNumber="59" rank="subSection" species="tatarica" subSection="Argenteae" subSpecies="subsect.">A. subsect. Argenteae</taxonomicName>
is undertaken here for the first time.
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex powellii" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="powellii">
<emphasis italics="true" pageId="0" pageNumber="59">Atriplex powellii</emphasis>
</taxonomicName>
S.Watson, previously considered as a close relative of
<taxonomicName genus="A." lsidName="A. argentea" pageId="0" pageNumber="59" rank="species" species="argentea">
<emphasis italics="true" pageId="0" pageNumber="59">A. argentea</emphasis>
</taxonomicName>
(
<bibRefCitation author="Standley, PC" editor="Britton, NL" journalOrPublisher="21 (1). New York Botanical Garden, New York" pageId="0" pageNumber="59" pagination="1 - 93" refId="B23" refString="Standley, PC, 1916. Chenopodiaceae. In: Britton, NL, Ed., North American Flora, Vol. 21(1). New York Botanical Garden, New York: 1 - 93" title="Chenopodiaceae." volumeTitle="North American Flora, Vol." year="1916">Standley 1916</bibRefCitation>
;
<bibRefCitation author="Welsh, SL" journalOrPublisher="Rhodora" pageId="0" pageNumber="59" pagination="415 - 427" refId="B30" refString="Welsh, SL, 2001. Nomenclatural proposals in Atriplex (Chenopodiaceae). Rhodora 102: 415 - 427" title="Nomenclatural proposals in Atriplex (Chenopodiaceae)." volume="102" year="2001">Welsh 2001</bibRefCitation>
), occupies a distant phylogenetic position (
<bibRefCitation DOI="https://doi.org/10.1016/j.ppees.2022.125660" author="Zerdoner Calasan, A" journalOrPublisher="4. Australian Government Publishing Service, Canberra" pageId="0" pageNumber="59" refId="B32" refString="Zerdoner Calasan, A, Hammen, S, Sukhorukov, AP, McDonald, JT, Brignone, NF, Boehnert, T, Kadereit, G, 2022. From continental Asia into the world: Global historical biogeography of the saltbush genus Atriplex (Chenopodieae, Chenopodioideae, Amaranthaceae). Perspectives in Plant Ecology, Evolution and Systematics 54: e125660. https://doi.org/10.1016/j.ppees.2022.125660" title="From continental Asia into the world: Global historical biogeography of the saltbush genus Atriplex (Chenopodieae, Chenopodioideae, Amaranthaceae). Perspectives in Plant Ecology, Evolution and Systematics 54: e 125660." url="https://doi.org/10.1016/j.ppees.2022.125660" year="2022">
<normalizedToken originalValue="Žerdoner">Zerdoner</normalizedToken>
<normalizedToken originalValue="Čalasan">Calasan</normalizedToken>
et al. 2022
</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="59" type="nomenclatural notes">
<paragraph pageId="0" pageNumber="59">Nomenclatural notes.</paragraph>
<paragraph pageId="0" pageNumber="59">
The name
<taxonomicName genus="A." lsidName="A. subsp. sect." pageId="0" pageNumber="59" rank="section" section="Obione" species="argentea" subSpecies="sect.">A. sect. Obione</taxonomicName>
has usually been credited to
<bibRefCitation author="Meyer, CA" editor="von Ledebour, CF" journalOrPublisher="4. G. Reimer, Berlin" pageId="0" pageNumber="59" pagination="304 - 318" refId="B18" refString="Meyer, CA, 1833. Atriplex L. In: von Ledebour, CF, Meyer, CA, von Bunge, A, Eds., Flora Altaica, Vol. 4. G.Reimer, Berlin: 304 - 318" title="Atriplex L." volumeTitle="Flora Altaica, Vol." year="1833">Meyer (1833)</bibRefCitation>
, who accepted this subdivision in 'Flora
<normalizedToken originalValue="Altaica">Altaica'</normalizedToken>
. However, the first author who segregated this section within
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Atriplex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Atriplex" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="59">Atriplex</emphasis>
</taxonomicName>
was
<bibRefCitation DOI="https://doi.org/10.5962/bhl.title.127510" author="Reichenbach, HGL" journalOrPublisher="4. G. Reimer, Berlin" pageId="0" pageNumber="59" refId="B20" refString="Reichenbach, HGL, 1828. Uebersicht des Gewaechs-Reichs in seinen natuerlichen Entwicklungsstufen. C. Cnobloch, Leipzig, 1-295. https://doi.org/10.5962/bhl.title.127510" title="Uebersicht des Gewaechs-Reichs in seinen natuerlichen Entwicklungsstufen. C. Cnobloch, Leipzig, 1 - 295." url="https://doi.org/10.5962/bhl.title.127510" year="1828">Reichenbach (1828)</bibRefCitation>
. He accepted the name and provided an indirect reference to the basionym as &quot;
<taxonomicName class="Magnoliopsida" family="Chenopodiaceae" genus="Obione" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Obione" order="Caryophyllales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="genus">Obione</taxonomicName>
. G.&quot; The infrageneric taxa accepted by
<bibRefCitation DOI="https://doi.org/10.5962/bhl.title.127510" author="Reichenbach, HGL" journalOrPublisher="4. G. Reimer, Berlin" pageId="0" pageNumber="59" refId="B20" refString="Reichenbach, HGL, 1828. Uebersicht des Gewaechs-Reichs in seinen natuerlichen Entwicklungsstufen. C. Cnobloch, Leipzig, 1-295. https://doi.org/10.5962/bhl.title.127510" title="Uebersicht des Gewaechs-Reichs in seinen natuerlichen Entwicklungsstufen. C. Cnobloch, Leipzig, 1 - 295." url="https://doi.org/10.5962/bhl.title.127510" year="1828">Reichenbach (1828)</bibRefCitation>
were explicitly ranked as sections, as evidenced by a footnote on page 184 in this work. Similarly,
<bibRefCitation DOI="https://doi.org/10.5962/bhl.title.19896" author="Hooker, JD" journalOrPublisher="197. Akademische Druck- und Verlagsanstalt, Graz" pageId="0" pageNumber="59" refId="B9" refString="Hooker, JD, 1870. The student's flora of the British Islands. Macmillan &amp; Co., London, 1-504. https://doi.org/10.5962/bhl.title.19896" title="The student's flora of the British Islands. Macmillan &amp; Co., London, 1 - 504." url="https://doi.org/10.5962/bhl.title.19896" year="1870">Hooker (1870)</bibRefCitation>
was the first to accept
<taxonomicName genus="A." lsidName="A. (Obione) subsp. subgen." pageId="0" pageNumber="59" rank="subGenus" species="argentea" subGenus="Obione" subSpecies="subgen.">A. subgen. Obione</taxonomicName>
, which was explicitly ranked by him. On the contrary,
<bibRefCitation author="Ascherson, PFA" journalOrPublisher="Botanische Jahrbuecher fuer Systematik, Pflanzengeschichte und Pflanzengeographie" pageId="0" pageNumber="59" refId="B3" refString="Ascherson, PFA, 1864. Flora der Provinz Brandenburg, der Altmark, und des Herzogthums Magdeburg, Vol. 1, part 2. A.Hirschwald, Berlin, 321-1034." title="Flora der Provinz Brandenburg, der Altmark, und des Herzogthums Magdeburg, Vol. 1, part 2. A. Hirschwald, Berlin, 321 - 1034." year="1864">Ascherson (1864)</bibRefCitation>
developed complex infrageneric systems that included at least three ranks, with names at all of these ranks, and made no note of their ranking; such classifications are to be treated as unranked (Art. 37.3).
</paragraph>
</subSubSection>
</treatment>
</document>