144 lines
12 KiB
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144 lines
12 KiB
XML
<document 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="C56EED6F3959DC48052D7121A6DE8F3F" docLanguage="en" docName="MycoKeys 40: 111-126" docOrigin="MycoKeys 40" docSource="http://dx.doi.org/10.3897/mycokeys.40.28700" docTitle="Dichostereum boidinii S. H. He & S. L. Liu, sp. nov." docType="treatment" docVersion="4" lastPageNumber="119" masterDocId="FFB3AB0DFFD9234ABD52E322964F943E" masterDocTitle="Taxonomy and phylogeny of Dichostereum (Russulales), with descriptions of three new species from southern China" masterLastPageNumber="126" masterPageNumber="111" pageNumber="116" updateTime="1668136063287" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Taxonomy and phylogeny of Dichostereum (Russulales), with descriptions of three new species from southern China</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Liu, Shi-Liang</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>He, Shuang-Hui</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>MycoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2018</mods:date>
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<mods:detail type="volume">
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<mods:number>40</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>111</mods:start>
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<mods:end>126</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/mycokeys.40.28700</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.40.28700</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049--111</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="154473959" LSID="urn:lsid:plazi:treatment:C56EED6F3959DC48052D7121A6DE8F3F" httpUri="http://treatment.plazi.org/id/C56EED6F3959DC48052D7121A6DE8F3F" lastPageId="8" lastPageNumber="119" pageId="5" pageNumber="116">
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<subSubSection pageId="5" pageNumber="116" type="nomenclature">
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<paragraph pageId="5" pageNumber="116">
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<taxonomicName LSID="MB826932" authority="S. H. He & S. L. Liu" class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum boidinii" order="Russulales" pageId="5" pageNumber="116" phylum="Basidiomycota" rank="species" species="boidinii">Dichostereum boidinii S.H. He & S.L. Liu</taxonomicName>
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<taxonomicNameLabel pageId="5" pageNumber="116">sp. nov.</taxonomicNameLabel>
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Figs 2b, 4, 6b
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="117" type="typification">
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<paragraph pageId="6" pageNumber="117">
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<pageBreakToken pageId="6" pageNumber="117" start="start">Typification</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="6" pageNumber="117">
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CHINA. Hubei Province, Wufeng County, Breeding base of
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<taxonomicName class="Magnoliopsida" family="Magnoliaceae" genus="Magnolia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Magnolia" order="Magnoliales" pageId="6" pageNumber="117" phylum="Tracheophyta" rank="genus">Magnolia</taxonomicName>
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, on angiosperm stump, 14 Aug 2017, He 5026 (holotype, BJFC 024544, ITS GenBank accession number: MH538324; isotype in CFMR).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="117" type="etymology">
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<paragraph pageId="6" pageNumber="117">Etymology.</paragraph>
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<paragraph pageId="6" pageNumber="117">
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"
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<taxonomicName lsidName="boidinii" pageId="6" pageNumber="117" rank="species" species="boidinii">boidinii</taxonomicName>
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" (Lat.), named to honour Dr. Jacques Boidin (Lyon, France) for his contribution to the taxonomy of
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<taxonomicName class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum" order="Russulales" pageId="6" pageNumber="117" phylum="Basidiomycota" rank="genus">Dichostereum</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="117" type="basidiomata">
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<paragraph pageId="6" pageNumber="117">Basidiomata.</paragraph>
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<paragraph pageId="6" pageNumber="117">Perennial, resupinate to effused-reflexed with slightly elevated margin, closely adnate, inseparable from substrates, coriaceous to soft corky, up to 8 cm long, 4 cm wide, 1.5 mm thick. Hymenophore surface smooth, greyish-orange [6B(3-4)], brownish-orange [6C(4-6)] to light brown [6D(4-6)], not cracking; margin abrupt, concolorous or darker than hymenophore surface.</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="117" type="microscopic structures">
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<paragraph pageId="6" pageNumber="117">Microscopic structures.</paragraph>
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<paragraph pageId="6" pageNumber="117">
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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-walled, 2-3
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in diam. Dichohyphae dominant, hyaline to yellow, distinctly thick-walled, dextriniod. Catahymenium composed of dichohyphae, gloeocystidia, basidia and basidioles. Dichohyphae in this layer abundant, similar to those in the context, but strongly dextrinoid, more frequently branched with short terminal branches, 20-40
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<normalizedToken originalValue="μm">μm</normalizedToken>
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across, 2-4
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<normalizedToken originalValue="µm">µm</normalizedToken>
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wide at lowest part. Gloeocystidia abundant, fusiform to subulate, hyaline, slightly thick-walled, with solidified contents, 20-60
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<normalizedToken originalValue="×">x</normalizedToken>
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7-12
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<normalizedToken originalValue="µm">µm</normalizedToken>
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. Basidia subclavate to subcylindrical, hyaline, thin-walled, with 4 sterigmata and a basal clamp connection, 25-40
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<normalizedToken originalValue="×">x</normalizedToken>
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5-7
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<normalizedToken originalValue="µm">µm</normalizedToken>
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; basidioles in shape similar to basidia, but slightly smaller. Basidiospores subglobose with a distinct apiculus, hyaline to pale yellowish-brown in KOH, thick-walled, strongly amyloid, (5-) 5.5-6.5 (-7)
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in diam.; walls ornamented with warts and crests.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="118" type="materials_examined">
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<paragraph pageId="7" pageNumber="118">
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<pageBreakToken pageId="7" pageNumber="118" start="start">Additional</pageBreakToken>
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specimens examined.
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</paragraph>
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<paragraph pageId="7" pageNumber="118">
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CHINA. Anhui Province, Huangshan County, Huangshan Nature Reserve, on fallen angiosperm trunk, 21 Oct 2011, He 462 (BJFC 012101); Hainan Province, Lingshui County, Diaoluoshan Nature Reserve, on rotten wood of
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<taxonomicName class="Bivalvia" family="Mytilidae" genus="Dacrydium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dacrydium" order="Mytilida" pageId="7" pageNumber="118" phylum="Mollusca" rank="genus">Dacrydium</taxonomicName>
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, 13 Nov 2015, Dai 16117 (BJFC 020210); Jiangxi Province, Anyuan County, Sanbaishan Forest Park, on fallen angiosperm trunk, 15 Aug 2016, He 4410 (BJFC 023851); Yunnan Province, Kunming, Xishan Park, on angiosperm stump, 17 Jul 2013, He 1662 (BJFC 016129).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="8" lastPageNumber="119" pageId="7" pageNumber="118" type="remarks">
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<paragraph pageId="7" pageNumber="118">Remarks.</paragraph>
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<paragraph lastPageId="8" lastPageNumber="119" pageId="7" pageNumber="118">
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<taxonomicName class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum boidinii" order="Russulales" pageId="7" pageNumber="118" phylum="Basidiomycota" rank="species" species="boidinii">Dichostereum boidinii</taxonomicName>
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is widely distributed in southern China and mainly characterised by the thick, brownish basidiomata and relatively small basidiospores with large warts and crests.
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<taxonomicName class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum pallescens" order="Russulales" pageId="7" pageNumber="118" phylum="Basidiomycota" rank="species" species="pallescens">Dichostereum pallescens</taxonomicName>
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is similar to
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<taxonomicName lsidName="D. boidinii" pageId="7" pageNumber="118" rank="species" species="boidinii">D. boidinii</taxonomicName>
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but differs in
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<pageBreakToken pageId="8" pageNumber="119" start="start">having</pageBreakToken>
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slender dichohyphae and smaller and sparser ornamentations of basidiospores (
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<bibRefCitation 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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, Fig. 6).
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<taxonomicName class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum orientale" order="Russulales" pageId="8" pageNumber="119" phylum="Basidiomycota" rank="species" species="orientale">Dichostereum orientale</taxonomicName>
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Boidin & Lanq. resembles
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<taxonomicName lsidName="D. boidinii" pageId="8" pageNumber="119" rank="species" species="boidinii">D. boidinii</taxonomicName>
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by sharing short terminal branches of dichohyphae, but differs in having smaller basidiospores (5-5.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in diam.) and a distribution in Africa (
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<bibRefCitation 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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). The ornamentation of basidiospores of
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<taxonomicName lsidName="D. boidinii" pageId="8" pageNumber="119" rank="species" species="boidinii">D. boidinii</taxonomicName>
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is similar to
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<taxonomicName lsidName="D. austrosinense" pageId="8" pageNumber="119" rank="species" species="austrosinense">D. austrosinense</taxonomicName>
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, but the latter species has larger gloeocystidia, basidia and basidiospores.
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</paragraph>
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<caption pageId="8" pageNumber="119">
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<paragraph pageId="8" pageNumber="119">
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Figure 4. Microscopic structures of
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<taxonomicName class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum boidinii" order="Russulales" pageId="8" pageNumber="119" phylum="Basidiomycota" rank="species" species="boidinii">Dichostereum boidinii</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 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> |