150 lines
15 KiB
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150 lines
15 KiB
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<document id="24898C51E293200395868E655299B02E" ID-CLB-Dataset="28199" ID-DOI="http://dx.doi.org/10.3897/mycokeys.40.28700" ID-GBIF-Dataset="f4de4423-4fef-46db-8360-11ef93977fa6" ID-PMC="PMC6193054" ID-Pensoft-Pub="1314-4049--111" ID-PubMed="30344439" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1314-4049--111" ModsDocOrigin="MycoKeys " ModsDocTitle="Taxonomy and phylogeny of Dichostereum (Russulales), with descriptions of three new species from southern China" checkinTime="1553125609749" checkinUser="pensoft" docAuthor="Liu, Shi-Liang & He, Shuang-Hui" docDate="2018" docId="FAFB6E2584B7BABE00C9001316BE0D80" docLanguage="en" docName="MycoKeys 40: 111-126" docOrigin="MycoKeys 40" docSource="http://dx.doi.org/10.3897/mycokeys.40.28700" docTitle="Dichostereum austrosinense S. H. He & S. L. Liu, sp. nov." docType="treatment" docVersion="6" lastPageNumber="116" masterDocId="FFB3AB0DFFD9234ABD52E322964F943E" masterDocTitle="Taxonomy and phylogeny of Dichostereum (Russulales), with descriptions of three new species from southern China" masterLastPageNumber="126" masterPageNumber="111" pageNumber="114" updateTime="1732833140164" updateUser="ExternalLinkService">
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<mods:title id="A2C61136A3F24466B1BA52CE928C741F">Taxonomy and phylogeny of Dichostereum (Russulales), with descriptions of three new species from southern China</mods:title>
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<mods:namePart id="EC90F12B093217DDE97BC612055E4463">Liu, Shi-Liang</mods:namePart>
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<mods:namePart id="D936E0A32E30C63CF4EB5829F3213BD4">He, Shuang-Hui</mods:namePart>
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<mods:typeOfResource id="CB4C79F45B1ED092B55B7094E4A032FD">text</mods:typeOfResource>
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<mods:title id="6D3DD20E537E4468307C35D7940D8384">MycoKeys</mods:title>
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<mods:date id="D2DF82C1B6A8058A24B8A72B5C8DA1D0">2018</mods:date>
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<mods:detail id="3E2D3F8C122D37C675224C95756F6F65" type="volume">
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<mods:number id="1C901125F8E265B6903C8E9E112723B7">40</mods:number>
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<mods:start id="93DA2B21AF3C946DAA90EA289730DB5F">111</mods:start>
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<mods:end id="B8D04A7802C075AAEB7D47B8D1856D91">126</mods:end>
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<mods:url id="B5E2AC7DCE17F5860A62BE8D632728ED">http://dx.doi.org/10.3897/mycokeys.40.28700</mods:url>
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<mods:classification id="E7AA4D93E7FF7C21E495E32718A69F49">journal article</mods:classification>
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<mods:identifier id="56EEAF0C0E60E896DC07BB1098CC5F3C" type="DOI">http://dx.doi.org/10.3897/mycokeys.40.28700</mods:identifier>
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<mods:identifier id="DDFE844CFD382A4B2D9A4B8E4AA6739A" type="Pensoft-Pub">1314-4049--111</mods:identifier>
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<treatment id="FAFB6E2584B7BABE00C9001316BE0D80" ID-GBIF-Taxon="154473958" LSID="urn:lsid:plazi:treatment:FAFB6E2584B7BABE00C9001316BE0D80" httpUri="http://treatment.plazi.org/id/FAFB6E2584B7BABE00C9001316BE0D80" lastPageId="5" lastPageNumber="116" pageId="3" pageNumber="114" scope_order="Russulales">
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<subSubSection id="782C0FD7AC322A9CF04B18B6FEEE1AF9" pageId="3" pageNumber="114" type="nomenclature">
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<paragraph id="DE099BFB28F447AB43A7CD67861E7BF0" pageId="3" pageNumber="114">
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<taxonomicName id="20079B29B39B44AAED48A3F599F5F21D" ID-CoL="35N6W" LSID="MB826931" authority="S. H. He & S. L. Liu" class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum austrosinense" order="Russulales" pageId="3" pageNumber="114" phylum="Basidiomycota" rank="species" species="austrosinense">Dichostereum austrosinense S.H. He & S.L. Liu</taxonomicName>
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<taxonomicNameLabel id="9C61E9E75832B905FF2B84CF0929526E" pageId="3" pageNumber="114">sp. nov.</taxonomicNameLabel>
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Figs 2a, 3, 6a
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</paragraph>
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</subSubSection>
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<subSubSection id="7C050AB5F304855099571A8DCE3A7D84" pageId="3" pageNumber="114" type="typification">
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<paragraph id="0E5934AF2E3DD42345BD3E2291DB337D" pageId="3" pageNumber="114">Typification.</paragraph>
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<paragraph id="4A8AA8F209CDE01E1281956804838F6B" pageId="3" pageNumber="114">CHINA. Guangxi Autonomous Region, Jinxiu County, Dayaoshan Nature Reserve, Shengtangshan, on fallen angiosperm trunk, 15 Jul 2017, He 4871 (holotype, BJFC 024390, ITS GenBank accession number: MH538317; isotype in CFMR).</paragraph>
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</subSubSection>
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<subSubSection id="6ABA1357F356BB910433A5DE0AAB13EE" pageId="3" pageNumber="114" type="etymology">
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<paragraph id="3F8B4F5853B2C01F602AB65AA3C3EB50" pageId="3" pageNumber="114">Etymology.</paragraph>
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<paragraph id="C07F67E4D29474987A2CD63FB5BBB05A" pageId="3" pageNumber="114">
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"
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<taxonomicName id="B62E7725FD3ADE0B826F4F1F0A1954DA" lsidName="austrosinense" pageId="3" pageNumber="114" rank="species" species="austrosinense">austrosinense</taxonomicName>
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" referring to the distribution in southern China.
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</paragraph>
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</subSubSection>
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<subSubSection id="1189F5184C2918056B028FFA03E2D5BF" pageId="3" pageNumber="114" type="basidiomata">
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<paragraph id="8743A5C491F4042FC07803150E72678A" pageId="3" pageNumber="114">Basidiomata.</paragraph>
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<paragraph id="EB07805B19763D22DCC4C1DBCAF8B096" pageId="3" pageNumber="114">Perennial, resupinate, effused, closely adnate, inseparable from substrates, coriaceous to soft corky, at first as irregular small patches, later confluent up to 15 cm long, 4.5 cm wide, up to 1 mm thick. Hymenophore surface smooth, greyish-orange [5B(4-5)], brownish-yellow [5C(7-8)] to light brown [6D(4-8)], not cracking; margin abrupt, concolorous or darker than hymenophore surface.</paragraph>
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</subSubSection>
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<subSubSection id="89E9446709C2250C09B3CD339EDC256D" lastPageId="4" lastPageNumber="115" pageId="3" pageNumber="114" type="microscopic structures">
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<paragraph id="75B8F66ED04665F4205D5D8A2AEB809B" pageId="3" pageNumber="114">Microscopic structures.</paragraph>
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<paragraph id="0FF6EB626905FD300573C9A10F7EC519" lastPageId="4" lastPageNumber="115" pageId="3" pageNumber="114">
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Hyphal system dimitic. Context thickening, compact, composed of generative hyphae, dichohyphae, embedded basidiospores and scattered crystals. Generative hyphae rare, with clamp connections, hyaline, thin- to slightly thick-walled, 2-3
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<normalizedToken id="CDC3456E5355C07D700AF9604FA1EAA1" originalValue="µm">µm</normalizedToken>
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in diam. Dichohyphae dominant, hyaline to yellow, distinctly thick-walled, dichotomously branched with acute tips, weakly dextriniod. Catahymenium composed of dichohyphae, gloeocystidia, basidia and basidioles. Dichohyphae in this layer abundant, similar to those in the context, but strongly dextrinoid, more slender and more frequently branched, 20-50
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<normalizedToken id="70C948769C148DE965F3DFD558BF98D6" originalValue="μm">μm</normalizedToken>
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across, 2-4
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<normalizedToken id="9439498419BA367E2F8C107C7222062F" originalValue="µm">µm</normalizedToken>
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wide at lowest part. Gloeocystidia abundant, subcylindrical to subfusiform, hyaline, slightly thick-walled,
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<pageBreakToken id="96B3DC1171EA5A150DD8FFD14A37067D" pageId="4" pageNumber="115" start="start">with</pageBreakToken>
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or without solidified contents, 80-130
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<normalizedToken id="57B61F9E0D957ABFBC4257F5701E6C79" originalValue="×">x</normalizedToken>
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8-15
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<normalizedToken id="8744865DB428A9BE559F1B935D6457D6" originalValue="µm">µm</normalizedToken>
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. Basidia narrowly cylindrical, usually slightly sinuous, hyaline, thin-walled, with 4 sterigmata and a basal clamp connection, 50-80
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<normalizedToken id="321D81572FA2911D7764000B7ABACE05" originalValue="×">x</normalizedToken>
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5-8
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<normalizedToken id="B68EBC89375C3A1FBCA32D19A3B1E2B0" originalValue="µm">µm</normalizedToken>
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; basidioles in shape similar to basidia, but slightly smaller. Basidiospores abundant, subglobose with a distinct apiculus, hyaline to pale yellowish-brown in KOH, thick-walled, strongly amyloid, (7-) 7.3-8 (-9)
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<normalizedToken id="CAE91B0432902961DC0A7014AC34F060" originalValue="µm">µm</normalizedToken>
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in diam.; walls ornamented with large warts and crests.
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</paragraph>
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</subSubSection>
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<subSubSection id="D032E57DF62FC4DA089C16C7BA53CBD0" pageId="5" pageNumber="116" type="materials_examined">
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<paragraph id="326A9B2E1ED382AEEB3CBAA898872225" pageId="5" pageNumber="116">
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<pageBreakToken id="2352907D352F6C015D3F7BB4EF7EB3D7" pageId="5" pageNumber="116" start="start">Additional</pageBreakToken>
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specimens examined.
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</paragraph>
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<paragraph id="2F09FDC3A490EA05A025435B61E37984" pageId="5" pageNumber="116">CHINA. Hainan Province, Lingshui County, Diaoluoshan Nature Reserve, on fallen angiosperm trunk, 17 Mar 2016, He 3551 (BJFC 022052); Jiangxi Province, Lianping County, Jiulianshan Nature Reserve, on fallen angiosperm branch, 13 Aug 2016, He 4316 (BJFC 023758).</paragraph>
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</subSubSection>
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<subSubSection id="50CE6691E7F2905C90AB74BFCB01D9BA" pageId="5" pageNumber="116" type="remarks">
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<paragraph id="ABCC65CA90C7C803BE607DB686F54C57" pageId="5" pageNumber="116">Remarks.</paragraph>
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<paragraph id="50BC04BBD3D64069D68FDD356F79D69D" pageId="5" pageNumber="116">
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<taxonomicName id="ED5A4226492D1BC1DF83E433DA3CF4F8" class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum austrosinense" order="Russulales" pageId="5" pageNumber="116" phylum="Basidiomycota" rank="species" species="austrosinense">Dichostereum austrosinense</taxonomicName>
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is overall characterised by the relatively large gloeocystidia and basidiospores with large warts and crests.
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<taxonomicName id="D980CCF3819BDECE8DEA895AE21B018A" class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum peniophoroides" order="Russulales" pageId="5" pageNumber="116" phylum="Basidiomycota" rank="species" species="peniophoroides">Dichostereum peniophoroides</taxonomicName>
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(Burt) Boidin & Lanq. is similar to
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<taxonomicName id="5E09EADA611F808BC2C0747CFFB084A9" lsidName="D. austrosinense" pageId="5" pageNumber="116" rank="species" species="austrosinense">D. austrosinense</taxonomicName>
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but differs in having wider gloeocystidia (7-22
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<normalizedToken id="73741A016FCC879504D65BA4597882DB" originalValue="µm">µm</normalizedToken>
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), slightly larger basidiospores (7-9
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<normalizedToken id="7191BC748EBDEC655B980D603A400A51" originalValue="µm">µm</normalizedToken>
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) with larger ornamentations and a distribution in Caribbean regions (
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<bibRefCitation id="3EE283E081E5DBDFD834ACFFB75ABAAE" author="Lanquetin, P" journalOrPublisher="Bulletin Mensuel De La Socie ́ te ́ Linne ́ enne De Lyon" pageId="12" pageNumber="123" pagination="167 - 192" title="Utilisation des cultures dans la syste ́ matique des VarariaKarstsubg. Dichostereum (Pilat) Boid. (Basidiomycetes Lachnocladiaceae)." url="https://doi.org/10.3406/linly.1973.10071" volume="42" year="1973">Lanquetin 1973</bibRefCitation>
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;
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<bibRefCitation id="29BAA678BD9337EC9D87FA0854A4B48F" author="Boidin, J" journalOrPublisher="Bulletin de la Societe Mycologique de France" pageId="11" pageNumber="122" pagination="381 - 406" title="Contribution a l'etude du genre Dichostereum Pilat (Basidiomycetes, Lachnocladiaceae)." volume="96" year="1980">Boidin and Lanquetin 1980</bibRefCitation>
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).
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<taxonomicName id="BF5C85F6D4B779BFA1668294ADBB4E40" class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum austrosinense" order="Russulales" pageId="5" pageNumber="116" phylum="Basidiomycota" rank="species" species="austrosinense">Dichostereum austrosinense</taxonomicName>
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is also similar to
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<taxonomicName id="4E4524C1980E62C29A23F3AC6E3C4329" lsidName="D. rhodosporum" pageId="5" pageNumber="116" rank="species" species="rhodosporum">D. rhodosporum</taxonomicName>
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(Wakef.) Boidin & Lanq. which differs in having paler basidiomata, smaller ornamentations of basidiospores and a distribution in Australia and New Zealand (
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<bibRefCitation id="3D92D5833C0634DA96FC3875224C6491" author="Boidin, J" journalOrPublisher="Bulletin de la Societe Mycologique de France" pageId="11" pageNumber="122" pagination="381 - 406" title="Contribution a l'etude du genre Dichostereum Pilat (Basidiomycetes, Lachnocladiaceae)." volume="96" year="1980">Boidin and Lanquetin 1980</bibRefCitation>
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, Figs 2 and 6).
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</paragraph>
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<caption id="5DD5B3EEB12932E9C2DE1C5CE86077C2" pageId="5" pageNumber="116">
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<paragraph id="7109E10767D8CBF12BB2DB241C23D409" pageId="5" pageNumber="116">
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Figure 2. Basidiomata of
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<taxonomicName id="513B19027D55194F594ABD4D5336DD68" class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum" order="Russulales" pageId="5" pageNumber="116" phylum="Basidiomycota" rank="genus">Dichostereum</taxonomicName>
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species. a
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<taxonomicName id="EBEBAC53FF29A2CFFD40A94C250EACE1" lsidName="D. austrosinense" pageId="5" pageNumber="116" rank="species" species="austrosinense">D. austrosinense</taxonomicName>
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(holotype, He 4871) b
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<taxonomicName id="CC0E4AEC68FFA543D979B04C4A739ED0" lsidName="D. boidinii" pageId="5" pageNumber="116" rank="species" species="boidinii">D. boidinii</taxonomicName>
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(holotype, He 5026) c
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<taxonomicName id="DE4093F7BD2459DAABD6FD2ACA6E7F2D" lsidName="D. eburneum" pageId="5" pageNumber="116" rank="species" species="eburneum">D. eburneum</taxonomicName>
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(holotype, He 5374) d
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<taxonomicName id="80F67249D400089BC932B2983E1BEACB" lsidName="D. granulosum" pageId="5" pageNumber="116" rank="species" species="granulosum">D. granulosum</taxonomicName>
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(He 1887) e
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<taxonomicName id="60F60DEC6AB553CE2AB965E721CB1B01" lsidName="D. pallescens" pageId="5" pageNumber="116" rank="species" species="pallescens">D. pallescens</taxonomicName>
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(He 3266) f
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<taxonomicName id="DDB4C679361D5ACA1305134AB6A3F358" lsidName="D. rhodosporum" pageId="5" pageNumber="116" rank="species" species="rhodosporum">D. rhodosporum</taxonomicName>
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(Dai 18625A). Scale bar: 1 cm.
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</paragraph>
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</caption>
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<caption id="D470553B93D22DE8BC72E06FCCBDEEBA" pageId="5" pageNumber="116">
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<paragraph id="A4934BBAB66AC775A9343CC1C3129F3F" pageId="5" pageNumber="116">
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Figure 3. Microscopic structures of
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<taxonomicName id="0F20CCF179225FD598FC73F87BB5ACF4" class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum austrosinense" order="Russulales" pageId="5" pageNumber="116" phylum="Basidiomycota" rank="species" species="austrosinense">Dichostereum austrosinense</taxonomicName>
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(drawn from the holotype). a Basidiospores b Basidia c Gloeocystidia d Dichohyphae from hymenium e Dichohyphae from subiculum. Scale bar: 10
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<normalizedToken id="F75AB73910B2E26D90A49CCA87565FD4" originalValue="µm">µm</normalizedToken>
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.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |