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<document id="9680B39D6AD89DCAFE18755307411C6A" ID-DOI="10.11646/phytotaxa.663.4.3" ID-ISSN="1179-3163" ID-Zenodo-Dep="14515710" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1734535385876" checkinUser="felipe" docAuthor="Vlasenko, Anastasia V., Enkhtuya, Ochirbat, Degidmaa, Turmunkh, Enkhjargal, Enkhtaivan, Chelobanov, Boris P. &amp; Vlasenko, Vyacheslav A." docDate="2024" docId="03F387C940522D1CFF34FAD3FDF04CF9" docLanguage="en" docName="phytotaxa.663.4.205-220.pdf" docOrigin="Phytotaxa 663 (4)" docSource="https://doi.org/10.11646/phytotaxa.663.4.3" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Arcyria chinggiskhanii A. Vlasenko &amp; V. Vlasenko 2024, sp. nov." docType="treatment" docVersion="2" lastPageNumber="211" masterDocId="FFCAFFB140512D1AFFBCFFBCFFE3484C" masterDocTitle="Three new species of bright-spored myxomycetes from Asia and the second world record of Perichaena maculosa" masterLastPageNumber="220" masterPageNumber="205" pageNumber="208" updateTime="1734535807056" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="ACD3708A686654540504AE251831B3C2">Three new species of bright-spored myxomycetes from Asia and the second world record of Perichaena maculosa</mods:title>
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<mods:namePart id="D47624DB165A0ECC512DE67B9C4AE14D">Vlasenko, Anastasia V.</mods:namePart>
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<mods:namePart id="30F5AF9CEA137779FE375BC5DF62E6E9">Enkhtuya, Ochirbat</mods:namePart>
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<mods:namePart id="2AF84110D7F81FC3D73EDE941E4A0B18">Chelobanov, Boris P.</mods:namePart>
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<mods:affiliation id="7379207500CC61CEEA48D7D4AD39A48A">Institute of Chemical Biology and Fundamental Medicine, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia &amp; Novosibirsk State University, 630090, Novosibirsk, Russia</mods:affiliation>
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<mods:namePart id="632F7942846861142CE9790CD4D10503">Vlasenko, Vyacheslav A.</mods:namePart>
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<taxonomicName id="4C5A4D5C40522D19FF34FAD3FD324DC5" authority="A. Vlasenko &amp; V. Vlasenko" authorityName="A. Vlasenko &amp; V. Vlasenko" authorityYear="2024" box="[136,721,1390,1417]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="3" pageNumber="208" phylum="Mycetozoa" rank="species" species="chinggiskhanii" status="sp. nov.">
<emphasis id="B92EEACD40522D19FF34FAD3FE704DC5" bold="true" box="[136,403,1390,1417]" italics="true" pageId="3" pageNumber="208">Arcyria chinggiskhanii</emphasis>
A. Vlasenko &amp; V. Vlasenko
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. 
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.
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(
<figureCitation id="13612A5A40522D19FC81FAD3FC694DC5" box="[829,906,1391,1417]" captionStart="FIGURE 1" captionStartId="4.[136,229,1545,1567]" captionTargetBox="[151,1436,314,1516]" captionTargetId="figure-84@4.[151,1436,314,1518]" captionTargetPageId="4" captionText="FIGURE 1. Arcyria chinggiskhanii (holotype). A. Sporangia (RL). B. Stem and calyculus (RL). C. Sporangia; arrows show remains of peridium on the sporotheca (RL). D. Threads of capillitium (TL). Scale bars:A = 0.5 mm, B = 0.3 mm, C = 0.5 mm, D = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.14515712" httpUri="https://zenodo.org/record/14515712/files/figure.png" pageId="3" pageNumber="208">Figs. 1</figureCitation>
, 
<figureCitation id="13612A5A40522D19FC24FAD3FC4A4DC5" box="[920,937,1391,1417]" captionStart="FIGURE 2" captionStartId="5.[136,229,1839,1861]" captionTargetBox="[151,1436,190,1815]" captionTargetId="figure-22@5.[151,1436,190,1815]" captionTargetPageId="5" captionText="FIGURE 2. Arcyria chinggiskhanii (holotype). A–B. Sporangium (SEM). C. Calyculus (SEM). D. Remnants of peridium on surface of the sporotheca (SEM). E. Ornamentation on inner surface of the calyculus (SEM). F–G. Thread of capillitium (SEM). H–I. Spore (SEM). Scale bars:A = 200 µm, B = 200 µm, C = 100 µm, D = 4 µm, E = 2 µm, F = 2 µm, G = 1 µm, H = 2 µm, I = 2 µm." figureDoi="http://doi.org/10.5281/zenodo.14515716" httpUri="https://zenodo.org/record/14515716/files/figure.png" pageId="3" pageNumber="208">2</figureCitation>
).
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<paragraph id="8BE536DF40522D19FF34FA2FFE694DE2" blockId="3.[136,394,1427,1454]" box="[136,394,1427,1454]" pageId="3" pageNumber="208">MycoBank no: 855057</paragraph>
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<emphasis id="B92EEACD40522D19FF34FA68FECD4DA2" bold="true" box="[136,302,1492,1518]" pageId="3" pageNumber="208">Etymology:—</emphasis>
Named after Genghis Khan (Chinggis Khan), founder and first khan of the Mongol Empire.
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Sporangia on stalks, individual or in small groups, ovoid, 1.0– 
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tall, 
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diam., grey-ochre, greyyellow, with a bluish tint due to the preservation of individual parts of the peridium on the sporotheca, not increasing in size after maturity. Calyculus ocher, shiny, well developed, cup-shaped, folded, membrane-like. In SEM, the inner surface of the calyculus is ornamented with semi-ring-shaped lines forming a network with round cells. Stalk black, dark grey-green, thick, widening towards the bottom, well developed, length equal to or exceeds height of the sporotheca, with spore-like cells. Hypothallus clearly visible, membranous, yellow, individual for each sporangium. Capillitium well developed and tightly attached to entire inner surface of the calyculus. Threads of capillitium 3–5.5 µm diam., with a small number of free rounded ends, ornamented with warts. In SEM, threads of capillitium ornamented with large warts that merge into lines and 
<taxonomicName id="4C5A4D5C40522D19FD8AF8A4FD5E4F7E" box="[566,701,1816,1842]" form="ridges" pageId="3" pageNumber="208" rank="form">form ridges</taxonomicName>
, between which there is a mesh ornamentation with perforations. Spores sand-colored in mass, yellowish in transmitted light, spherical, thick-walled, 9–8 µm diam., ornamented with warts. In SEM, spores ornamented with coral-like warts in groups of different sizes. Plasmodium unknown.
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:—
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sp.
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a.s.l.
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, field substrate sample coll. 
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<collectorName id="26AF530940522D19FA87F870FA4B4FAA" box="[1339,1448,1996,2022]" pageId="3" pageNumber="208">Vlasenko</collectorName>
, 
<specimenCode id="DBFC9EA440522D19FF34F84CFECF4047" box="[136,300,2032,2059]" collectionCode="NSK" country="Russia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15284" lsid="urn:lsid:biocol.org:col:15284" name="Central Siberian Botanical Garden, Siberian Branch of Russian Academy of Sciensis" pageId="3" pageNumber="208" type="Botanical Garden (with or without associated herbarium)">NSK 1031205</specimenCode>
, 
<collectorName id="26AF530940522D19FE8BF84CFE364047" box="[311,469,2032,2059]" pageId="3" pageNumber="208">GenBank No.</collectorName>
: PQ032484.
</materialsCitation>
</paragraph>
<paragraph id="8BE536DF40552D1EFF01FF21FF114968" blockId="4.[136,1452,157,292]" pageId="4" pageNumber="209">
<emphasis id="B92EEACD40552D1EFF01FF21FD8048FB" bold="true" box="[189,611,157,183]" pageId="4" pageNumber="209">Additional specimen examined:—</emphasis>
<collectingCountry id="F34D764F40552D1EFDDFFF22FD1C48F4" box="[611,767,158,184]" name="Mongolia" pageId="4" pageNumber="209">MONGOLIA</collectingCountry>
. Bogd-Khan-Uul Mountains, Bogd Khan Uul Biosphere Reserve, dark coniferous forest, on bark of 
<taxonomicName id="4C5A4D5C40552D1EFDC7FF7FFCE84890" box="[635,779,194,220]" class="Magnoliopsida" family="Caprifoliaceae" genus="Lonicera" kingdom="Plantae" order="Dipsacales" pageId="4" pageNumber="209" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis id="B92EEACD40552D1EFDC7FF7FFD034890" box="[635,736,195,220]" italics="true" pageId="4" pageNumber="209">Lonicera</emphasis>
sp.
</taxonomicName>
, 
<geoCoordinate id="EE6E501840552D1EFCA5FF7EFC4D4890" box="[793,942,194,220]" degrees="47" direction="north" minutes="46" orientation="latitude" pageId="4" pageNumber="209" precision="15" seconds="08" value="47.76889">47°46’08” N</geoCoordinate>
, 
<geoCoordinate id="EE6E501840552D1EFC07FF7EFBBB4890" box="[955,1112,194,221]" degrees="106" direction="east" minutes="59" orientation="longitude" pageId="4" pageNumber="209" precision="15" seconds="18" value="106.98833">106°59’18” E</geoCoordinate>
, 
<quantity id="4CA29B3A40552D1EFBD4FF7EFB5C4890" box="[1128,1215,194,221]" metricMagnitude="3" metricUnit="m" metricValue="1.85" pageId="4" pageNumber="209" unit="m" value="1850.0">1850 m</quantity>
a.s.l., field substrate sample coll. 
<date id="FFE4101F40552D1EFEA4FF5AFE4E494C" box="[280,429,230,256]" pageId="4" pageNumber="209" value="2023-07-24">24 July 2023</date>
, 
<collectionCode id="ED4BAE1A40552D1EFE0BFF5AFE2E494C" box="[439,461,230,256]" country="USA" lsid="urn:lsid:biocol.org:col:15406" name="Harvard University - Arnold Arboretum" pageId="4" pageNumber="209" type="Herbarium">A</collectionCode>
. 
<collectionCode id="ED4BAE1A40552D1EFE6DFF5AFE04494C" box="[465,487,230,256]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="4" pageNumber="209" type="Museum">V</collectionCode>
. Vlasenko, moist chamber culture 
<date id="FFE4101F40552D1EFCD1FF5AFBE4494C" box="[877,1031,230,256]" pageId="4" pageNumber="209" value="2024-05-14">14 May 2024</date>
, cult. and ident. 
<collectionCode id="ED4BAE1A40552D1EFB7DFF5AFB34494C" box="[1217,1239,230,256]" country="USA" lsid="urn:lsid:biocol.org:col:15406" name="Harvard University - Arnold Arboretum" pageId="4" pageNumber="209" type="Herbarium">A</collectionCode>
. 
<collectionCode id="ED4BAE1A40552D1EFB66FF5AFB13494C" box="[1242,1264,230,256]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="4" pageNumber="209" type="Museum">V</collectionCode>
. Vlasenko, 
<collectionCode id="ED4BAE1A40552D1EFACFFF5AFA48494C" box="[1395,1451,230,256]" country="Russia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15284" lsid="urn:lsid:biocol.org:col:15284" name="Central Siberian Botanical Garden, Siberian Branch of Russian Academy of Sciensis" pageId="4" pageNumber="209" type="Botanical Garden (with or without associated herbarium)">NSK</collectionCode>
1031216.
</paragraph>
<caption id="DF25665740552D1EFF34F9B5FAB94E0F" ID-DOI="http://doi.org/10.5281/zenodo.14515712" ID-Zenodo-Dep="14515712" httpUri="https://zenodo.org/record/14515712/files/figure.png" pageId="4" pageNumber="209" startId="4.[136,229,1545,1567]" targetBox="[151,1436,314,1516]" targetPageId="4" targetType="figure">
<paragraph id="8BE536DF40552D1EFF34F9B5FAB94E0F" blockId="4.[136,1451,1545,1603]" pageId="4" pageNumber="209">
<emphasis id="B92EEACD40552D1EFF34F9B5FF1C4E52" bold="true" box="[136,255,1545,1567]" pageId="4" pageNumber="209">FIGURE 1.</emphasis>
<taxonomicName id="4C5A4D5C40552D1EFEB9F9B6FE024E52" authorityName="A. Vlasenko &amp; V. Vlasenko" authorityYear="2024" box="[261,481,1545,1567]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="species" species="chinggiskhanii">
<emphasis id="B92EEACD40552D1EFEB9F9B6FE024E52" box="[261,481,1545,1567]" italics="true" pageId="4" pageNumber="209">Arcyria chinggiskhanii</emphasis>
</taxonomicName>
(holotype). A. Sporangia (RL). B. Stem and calyculus (RL). C. Sporangia; arrows show remains of peridium on the sporotheca (RL). D. Threads of capillitium (TL). Scale bars: A = 0.5 mm, B = 0.3 mm, C = 0.5 mm, D = 20 µm.
</paragraph>
</caption>
<paragraph id="8BE536DF40552D1EFF01F9D6FD9A4EC9" blockId="4.[136,1452,1642,2092]" box="[189,633,1642,1669]" pageId="4" pageNumber="209">
<emphasis id="B92EEACD40552D1EFF01F9D6FEA14EC8" bold="true" box="[189,322,1642,1668]" pageId="4" pageNumber="209">Eсology:—</emphasis>
Grows on bark of 
<taxonomicName id="4C5A4D5C40552D1EFDB1F9D7FD914EC8" box="[525,626,1643,1668]" class="Magnoliopsida" family="Caprifoliaceae" genus="Lonicera" kingdom="Plantae" order="Dipsacales" pageId="4" pageNumber="209" phylum="Tracheophyta" rank="genus">
<emphasis id="B92EEACD40552D1EFDB1F9D7FD914EC8" box="[525,626,1643,1668]" italics="true" pageId="4" pageNumber="209">Lonicera</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C340655440552D1CFF01F931FDF04CF9" lastPageId="6" lastPageNumber="211" pageId="4" pageNumber="209" type="discussion">
<paragraph id="8BE536DF40552D1EFF01F931FE674067" blockId="4.[136,1452,1642,2092]" pageId="4" pageNumber="209">
<emphasis id="B92EEACD40552D1EFF01F931FE874EEB" bold="true" box="[189,356,1677,1703]" pageId="4" pageNumber="209">Comments:—</emphasis>
The sporangia of 
<taxonomicName id="4C5A4D5C40552D1EFD90F932FCCE4EEB" authorityName="A. Vlasenko &amp; V. Vlasenko" authorityYear="2024" box="[556,813,1677,1704]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="species" species="chinggiskhanii">
<emphasis id="B92EEACD40552D1EFD90F932FCCE4EEB" box="[556,813,1677,1704]" italics="true" pageId="4" pageNumber="209">Arcyria chinggiskhanii</emphasis>
</taxonomicName>
resemble those of 
<taxonomicName id="4C5A4D5C40552D1EFBB9F932FA644EEB" authority="G. Lister &amp; Torrend" authorityName="G. Lister &amp; Torrend" authorityYear="1908" box="[1029,1415,1677,1704]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="species" species="annulifera">
<emphasis id="B92EEACD40552D1EFBB9F932FBF54EE4" box="[1029,1046,1678,1704]" italics="true" pageId="4" pageNumber="209">A</emphasis>
. 
<emphasis id="B92EEACD40552D1EFB99F931FB794EEB" box="[1061,1178,1677,1703]" italics="true" pageId="4" pageNumber="209">annulifera</emphasis>
G. Lister &amp; Torrend
</taxonomicName>
, 
<taxonomicName id="4C5A4D5C40552D1EFA2FF932FE8F4E87" authority="(Bull.) Pers." authorityName="Pers." baseAuthorityName="Bull." class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="species" species="cinerea">
<emphasis id="B92EEACD40552D1EFA2FF932FA474EE4" box="[1427,1444,1678,1704]" italics="true" pageId="4" pageNumber="209">A</emphasis>
. 
<emphasis id="B92EEACD40552D1EFF34F90DFF384E86" box="[136,219,1713,1738]" italics="true" pageId="4" pageNumber="209">cinerea</emphasis>
(Bull.) Pers.
</taxonomicName>
, 
<taxonomicName id="4C5A4D5C40552D1EFECAF90DFDD44E87" authority="Emoto" authorityName="Emoto" authorityYear="1928" box="[374,567,1713,1739]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="species" species="nigella">
<emphasis id="B92EEACD40552D1EFECAF90DFE644E87" box="[374,391,1713,1739]" italics="true" pageId="4" pageNumber="209">A</emphasis>
. 
<emphasis id="B92EEACD40552D1EFE29F90DFE004E87" box="[405,483,1713,1739]" italics="true" pageId="4" pageNumber="209">nigella</emphasis>
Emoto
</taxonomicName>
, 
<taxonomicName id="4C5A4D5C40552D1EFDFDF90DFCAF4E87" authority="L. G. Kreiglst" authorityName="L. G. Kreiglst" box="[577,844,1713,1739]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="species" species="riparia">
<emphasis id="B92EEACD40552D1EFDFDF90DFDB14E87" box="[577,594,1713,1739]" italics="true" pageId="4" pageNumber="209">A</emphasis>
. 
<emphasis id="B92EEACD40552D1EFDE3F90DFD4D4E86" box="[607,686,1713,1738]" italics="true" pageId="4" pageNumber="209">riparia</emphasis>
L.G. Kreiglst
</taxonomicName>
, 
<taxonomicName id="4C5A4D5C40552D1EFCEAF90DFBB94E87" authority="Nann." authorityName="Nann." box="[854,1114,1713,1739]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="species" species="verrucosituba">
<emphasis id="B92EEACD40552D1EFCEAF90DFC844E87" box="[854,871,1713,1739]" italics="true" pageId="4" pageNumber="209">A</emphasis>
. 
<emphasis id="B92EEACD40552D1EFCC9F90DFBF24E87" box="[885,1041,1713,1739]" italics="true" pageId="4" pageNumber="209">verrucosituba</emphasis>
Nann.
</taxonomicName>
-Bremek. &amp; Schinner in shape and colour, but the presence of the remains of a shiny bluish peridium on the sporotheca and the ornamentation of the spores allows us to clearly distinguish the new species from those listed above. Spores of 
<taxonomicName id="4C5A4D5C40552D1EFB07F94BFA624F5D" authorityName="A. Vlasenko &amp; V. Vlasenko" authorityYear="2024" box="[1211,1409,1783,1809]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="species" species="chinggiskhanii">
<emphasis id="B92EEACD40552D1EFB07F94BFA624F5D" box="[1211,1409,1783,1809]" italics="true" pageId="4" pageNumber="209">A. chinggiskhanii</emphasis>
</taxonomicName>
are ornamented with coral-like warts, located in groups of different size. Similar ornamentation in the genus 
<taxonomicName id="4C5A4D5C40552D1EFAB0F8A7FA824F79" authorityName="Hill ex F.H.Wiggers" authorityYear="1780" box="[1292,1377,1819,1845]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="genus">
<emphasis id="B92EEACD40552D1EFAB0F8A7FA824F79" box="[1292,1377,1819,1845]" italics="true" pageId="4" pageNumber="209">Arcyria</emphasis>
</taxonomicName>
is also seen in 
<taxonomicName id="4C5A4D5C40552D1EFF5CF882FD404F14" authority="(Cooke) Massee. However" authorityName="Massee. However" baseAuthorityName="Cooke" box="[224,675,1853,1880]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="species" species="leiocarpa">
<emphasis id="B92EEACD40552D1EFF5CF882FF124F14" box="[224,241,1854,1880]" italics="true" pageId="4" pageNumber="209">A</emphasis>
. 
<emphasis id="B92EEACD40552D1EFEBCF881FE884F1B" box="[256,363,1853,1879]" italics="true" pageId="4" pageNumber="209">leiocarpa</emphasis>
(Cooke) Massee. However
</taxonomicName>
, the ornamentation of the threads of capillitium in 
<taxonomicName id="4C5A4D5C40552D1EFB5AF882FA484F1B" authorityName="A. Vlasenko &amp; V. Vlasenko" authorityYear="2024" box="[1254,1451,1853,1880]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="species" species="chinggiskhanii">
<emphasis id="B92EEACD40552D1EFB5AF882FA484F1B" box="[1254,1451,1853,1880]" italics="true" pageId="4" pageNumber="209">A. chinggiskhanii</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C5A4D5C40552D1EFF0BF8DDFEA34F37" box="[183,320,1889,1915]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="species" species="leiocarpa">
<emphasis id="B92EEACD40552D1EFF0BF8DDFF2B4F37" box="[183,200,1889,1915]" italics="true" pageId="4" pageNumber="209">A</emphasis>
. 
<emphasis id="B92EEACD40552D1EFF69F8DDFEA34F37" box="[213,320,1889,1915]" italics="true" pageId="4" pageNumber="209">leiocarpa</emphasis>
</taxonomicName>
differs greatly. Those of 
<taxonomicName id="4C5A4D5C40552D1EFDEAF8DDFD3C4F37" box="[598,735,1889,1915]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="species" species="leiocarpa">
<emphasis id="B92EEACD40552D1EFDEAF8DDFD3C4F37" box="[598,735,1889,1915]" italics="true" pageId="4" pageNumber="209">A. leiocarpa</emphasis>
</taxonomicName>
have 3–5 spiral thickenings, mostly smooth, but in places where the spiral ornamentation is not sufficiently expressed, small spines are present. Spiral thickenings on the threads of capillitium are absent in 
<taxonomicName id="4C5A4D5C40552D1EFE21F81BFD824F8D" authorityName="A. Vlasenko &amp; V. Vlasenko" authorityYear="2024" box="[413,609,1959,1985]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="species" species="chinggiskhanii">
<emphasis id="B92EEACD40552D1EFE21F81BFD824F8D" box="[413,609,1959,1985]" italics="true" pageId="4" pageNumber="209">A. chinggiskhanii</emphasis>
</taxonomicName>
but rather there is an original ornamentation in the form of large warts that merge into lines and 
<taxonomicName id="4C5A4D5C40552D1EFEC6F876FDE24FA8" box="[378,513,1994,2020]" form="ridges" pageId="4" pageNumber="209" rank="form">form ridges</taxonomicName>
, between which there is a mesh ornamentation with perforation. A similar 
<typeStatus id="54E1887D40552D1EFAE7F877FA684FA9" box="[1371,1419,1995,2021]" pageId="4" pageNumber="209">type</typeStatus>
of ornamentation of the threads of capillitium with mesh perforation is noted, for example, in 
<taxonomicName id="4C5A4D5C40552D1EFBC0F851FE674067" authority="Lado, D. Wrigley &amp; Estrada." authorityName="Lado, D. Wrigley &amp; Estrada." class="Myxomycetes" family="Arcyriaceae" genus="Perichaena" kingdom="Protozoa" order="Trichiales" pageId="4" pageNumber="209" phylum="Mycetozoa" rank="species" species="calongei">
<emphasis id="B92EEACD40552D1EFBC0F851FA87404B" box="[1148,1380,2029,2055]" italics="true" pageId="4" pageNumber="209">Perichaena calongei</emphasis>
Lado, D. Wrigley &amp; Estrada.
</taxonomicName>
</paragraph>
<caption id="DF25665740542D1FFF34F893FB3B4FC1" ID-DOI="http://doi.org/10.5281/zenodo.14515716" ID-Zenodo-Dep="14515716" httpUri="https://zenodo.org/record/14515716/files/figure.png" pageId="5" pageNumber="210" startId="5.[136,229,1839,1861]" targetBox="[151,1436,190,1815]" targetPageId="5" targetType="figure">
<paragraph id="8BE536DF40542D1FFF34F893FB3B4FC1" blockId="5.[136,1452,1839,1933]" pageId="5" pageNumber="210">
<emphasis id="B92EEACD40542D1FFF34F893FF1D4F08" bold="true" box="[136,254,1839,1861]" pageId="5" pageNumber="210">FIGURE 2.</emphasis>
<taxonomicName id="4C5A4D5C40542D1FFEB9F88CFE024F08" authorityName="A. Vlasenko &amp; V. Vlasenko" authorityYear="2024" box="[261,481,1839,1861]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="5" pageNumber="210" phylum="Mycetozoa" rank="species" species="chinggiskhanii">
<emphasis id="B92EEACD40542D1FFEB9F88CFE024F08" box="[261,481,1839,1861]" italics="true" pageId="5" pageNumber="210">Arcyria chinggiskhanii</emphasis>
</taxonomicName>
(holotype). A–B. Sporangium (SEM). C. Calyculus (SEM). D. Remnants of peridium on surface of the sporotheca (SEM). E. Ornamentation on inner surface of the calyculus (SEM). F–G. Thread of capillitium (SEM). H–I. Spore (SEM). Scale bars: A = 200 µm, B = 200 µm, C = 100 µm, D = 4 µm, E = 2 µm, F = 2 µm, G = 1 µm, H = 2 µm, I = 2 µm.
</paragraph>
</caption>
<caption id="DF25665740572D1CFF34FC7AFCDC4C6F" ID-DOI="http://doi.org/10.5281/zenodo.14515718" ID-Zenodo-Dep="14515718" httpUri="https://zenodo.org/record/14515718/files/figure.png" pageId="6" pageNumber="211" startId="6.[136,229,966,988]" targetBox="[151,1427,199,932]" targetPageId="6" targetType="figure">
<paragraph id="8BE536DF40572D1CFF34FC7AFCDC4C6F" blockId="6.[136,1451,966,1060]" pageId="6" pageNumber="211">
<emphasis id="B92EEACD40572D1CFF34FC7AFF184B97" bold="true" box="[136,251,966,988]" pageId="6" pageNumber="211">FIGURE 3.</emphasis>
Maximum likelihood tree based on 18S nrDNA sequences shows the phylogenetic relationships between 
<taxonomicName id="4C5A4D5C40572D1CFB6EFC7AFA484B97" authorityName="A. Vlasenko &amp; V. Vlasenko" authorityYear="2024" box="[1234,1451,966,987]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="6" pageNumber="211" phylum="Mycetozoa" rank="species" species="chinggiskhanii">
<emphasis id="B92EEACD40572D1CFB6EFC7AFA484B97" box="[1234,1451,966,987]" italics="true" pageId="6" pageNumber="211">Arcyria chinggiskhanii</emphasis>
</taxonomicName>
and closely related species of the genus 
<taxonomicName id="4C5A4D5C40572D1CFDA1FC56FD864BB3" authorityName="Hill ex F.H.Wiggers" authorityYear="1780" box="[541,613,1002,1023]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="6" pageNumber="211" phylum="Mycetozoa" rank="genus">
<emphasis id="B92EEACD40572D1CFDA1FC56FD864BB3" box="[541,613,1002,1023]" italics="true" pageId="6" pageNumber="211">Arcyria</emphasis>
</taxonomicName>
. BS values with high support and Bayesian posterior probabilities are shown in the branches. GenBank accession numbers are given after the species name.
</paragraph>
</caption>
<paragraph id="8BE536DF40572D1CFF01FBEEFDF04CF9" blockId="6.[136,1452,1106,1205]" pageId="6" pageNumber="211">
The ML analysis based on the 18S nrDNA region (
<figureCitation id="13612A5A40572D1CFD45FBEEFCD84C20" box="[761,827,1106,1132]" captionStart="FIGURE 3" captionStartId="6.[136,229,966,988]" captionTargetBox="[151,1427,199,932]" captionTargetId="figure-26@6.[151,1436,190,941]" captionTargetPageId="6" captionText="FIGURE 3. Maximumlikelihood tree basedon18SnrDNAsequences shows the phylogeneticrelationships betweenArcyria chinggiskhanii and closely related species of the genus Arcyria. BS values with high support and Bayesian posterior probabilities are shown in the branches. GenBank accession numbers are given after the species name." figureDoi="http://doi.org/10.5281/zenodo.14515718" httpUri="https://zenodo.org/record/14515718/files/figure.png" pageId="6" pageNumber="211">Fig. 3</figureCitation>
) showed that the new species 
<taxonomicName id="4C5A4D5C40572D1CFB2DFBEFFA714C20" authorityName="A. Vlasenko &amp; V. Vlasenko" authorityYear="2024" box="[1169,1426,1106,1133]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="6" pageNumber="211" phylum="Mycetozoa" rank="species" species="chinggiskhanii">
<emphasis id="B92EEACD40572D1CFB2DFBEFFA714C20" box="[1169,1426,1106,1133]" italics="true" pageId="6" pageNumber="211">Arcyria chinggiskhanii</emphasis>
</taxonomicName>
is an independent species, closest to 
<taxonomicName id="4C5A4D5C40572D1CFDB6FBCBFD9F4CDC" box="[522,636,1143,1169]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="6" pageNumber="211" phylum="Mycetozoa" rank="species" species="cinerea">
<emphasis id="B92EEACD40572D1CFDB6FBCBFD9F4CDC" box="[522,636,1143,1169]" italics="true" pageId="6" pageNumber="211">A. cinerea</emphasis>
</taxonomicName>
. The genetic distance of the 
<taxonomicName id="4C5A4D5C40572D1CFC7CFBCBFB664CDC" authorityName="A. Vlasenko &amp; V. Vlasenko" authorityYear="2024" box="[960,1157,1142,1169]" class="Myxomycetes" family="Arcyriaceae" genus="Arcyria" kingdom="Protozoa" order="Trichiales" pageId="6" pageNumber="211" phylum="Mycetozoa" rank="species" species="chinggiskhanii">
<emphasis id="B92EEACD40572D1CFC7CFBCBFB664CDC" box="[960,1157,1142,1169]" italics="true" pageId="6" pageNumber="211">A. chinggiskhanii</emphasis>
</taxonomicName>
branch on the SSU tree is 0.059, with 97% bootstrap support.
</paragraph>
</subSubSection>
</treatment>
</document>