199 lines
14 KiB
XML
199 lines
14 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="8FB45D8F82A62BEC147EC8D2A289C018" docLanguage="en" docName="MycoKeys 40: 111-126" docOrigin="MycoKeys 40" docSource="http://dx.doi.org/10.3897/mycokeys.40.28700" docTitle="Dichostereum eburneum S. H. He & S. L. Liu, sp. nov." docType="treatment" docVersion="4" lastPageNumber="120" masterDocId="FFB3AB0DFFD9234ABD52E322964F943E" masterDocTitle="Taxonomy and phylogeny of Dichostereum (Russulales), with descriptions of three new species from southern China" masterLastPageNumber="126" masterPageNumber="111" pageNumber="119" 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="154473960" LSID="urn:lsid:plazi:treatment:8FB45D8F82A62BEC147EC8D2A289C018" httpUri="http://treatment.plazi.org/id/8FB45D8F82A62BEC147EC8D2A289C018" lastPageId="9" lastPageNumber="120" pageId="8" pageNumber="119">
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<subSubSection pageId="8" pageNumber="119" type="nomenclature">
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<paragraph pageId="8" pageNumber="119">
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<taxonomicName LSID="MB826933" authority="S. H. He & S. L. Liu" class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum eburneum" order="Russulales" pageId="8" pageNumber="119" phylum="Basidiomycota" rank="species" species="eburneum">Dichostereum eburneum S.H. He & S.L. Liu</taxonomicName>
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<taxonomicNameLabel pageId="8" pageNumber="119">sp. nov.</taxonomicNameLabel>
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Figs 2c, 5, 6c
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</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="119" type="typification">
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<paragraph pageId="8" pageNumber="119">Typification.</paragraph>
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<paragraph pageId="8" pageNumber="119">
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CHINA. Fujian Province, Wuyishan County, Wuyishan Nature Reserve, on bark of living
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Castanopsis" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Castanopsis" order="Fagales" pageId="8" pageNumber="119" phylum="Tracheophyta" rank="genus">Castanopsis</taxonomicName>
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, 6 Apr 2018, He 5374 (holotype, BJFC, ITS GenBank accession number: MH538318; isotype in CFMR).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="119" type="etymology">
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<paragraph pageId="8" pageNumber="119">Etymology.</paragraph>
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<paragraph pageId="8" pageNumber="119">
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"
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<taxonomicName lsidName="eburneum" pageId="8" pageNumber="119" rank="species" species="eburneum">eburneum</taxonomicName>
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" referring to the white colour of hymenophore.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="119" type="basidiomata">
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<paragraph pageId="8" pageNumber="119">Basidiomata.</paragraph>
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<paragraph pageId="8" pageNumber="119">
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Perennial, resupinate, effused, closely adnate, inseparable from substrate, coriaceous, at first as irregular small patches, later confluent up to 7 cm long, 2 cm wide, 200-500
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<normalizedToken originalValue="µm">µm</normalizedToken>
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thick. Hymenophore surface smooth, white (5A1), orange white (5A2) to greyish-orange [5B(3-4)], cracking with age; margin thinning out, concolorous with hymenophore.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="119" type="microscopic structures">
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<paragraph pageId="8" pageNumber="119">Microscopic structures.</paragraph>
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<paragraph pageId="8" pageNumber="119">
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Hyphal system dimitic. Context thickening, compact, composed of generative hyphae, dichohyphae, embedded basidiospores and abundant crystals. Generative hyphae rare, with clamp connections, hyaline, thin- to slightly thick-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, frequently branched, aseptate, 1-2
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in diam. Catahymenium composed of dichohyphae, gloeocystidia, basidia and basidioles. Dichohyphae in this layer abundant, hyaline to pale yellow, distinctly thick-walled, strongly dextriniod, dichotomously branched with acute terminal tips, 15-30
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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 subclavate, hyaline, thin-walled, with solidified contents, 20-50
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<normalizedToken originalValue="×">x</normalizedToken>
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5-10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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. Basidia subcylindrical with basal part slightly swollen, hyaline, thin-walled, with 4 sterigmata and a basal clamp connection, 30-45
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<normalizedToken originalValue="×">x</normalizedToken>
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6-9
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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, 6-7 (-8)
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in diam.; walls ornamented with dense, large warts and crests.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="9" lastPageNumber="120" pageId="8" pageNumber="119" type="remarks">
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<paragraph pageId="8" pageNumber="119">Remarks.</paragraph>
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<paragraph pageId="8" pageNumber="119">
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<taxonomicName class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum eburneum" order="Russulales" pageId="8" pageNumber="119" phylum="Basidiomycota" rank="species" species="eburneum">Dichostereum eburneum</taxonomicName>
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is characterised by the pale basidiomata on bark of living tree, the presence of abundant crystals in context and basidiospores with dense and large ornamentations. Ecologically and macroscopically,
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<taxonomicName lsidName="D. eburneum" pageId="8" pageNumber="119" rank="species" species="eburneum">D. eburneum</taxonomicName>
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resembles
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<taxonomicName class="Agaricomycetes" family="Niaceae" genus="Dendrothele" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dendrothele" order="Agaricales" pageId="8" pageNumber="119" phylum="Basidiomycota" rank="genus">Dendrothele</taxonomicName>
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<normalizedToken originalValue="Höhn">Hoehn</normalizedToken>
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. & Litsch., but the microscopic features are largely different (
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<bibRefCitation author="Nakasone, KK" journalOrPublisher="New Zealand Journal of Botany" pageId="13" pageNumber="124" pagination="107 - 131" title="The genus Dendrothele (Agaricales, Basidiomycota) in New Zealand." url="https://doi.org/10.1080/0028825X.2010.512636" volume="49" year="2011">Nakasone and Burdsall 2011</bibRefCitation>
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).
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<taxonomicName class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum kenyense" order="Russulales" pageId="8" pageNumber="119" phylum="Basidiomycota" rank="species" species="kenyense">Dichostereum kenyense</taxonomicName>
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Boidin & Lanq. is similar to
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<taxonomicName lsidName="D. eburneum" pageId="8" pageNumber="119" rank="species" species="eburneum">D. eburneum</taxonomicName>
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by sharing the large ornamentations of basidiospores, but differs in having wider span of dichohyphae, slightly larger basidiospores (7-8
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) 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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).
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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 5. Microscopic structures of
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<taxonomicName class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum eburneum" order="Russulales" pageId="8" pageNumber="119" phylum="Basidiomycota" rank="species" species="eburneum">Dichostereum eburneum</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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<caption pageId="8" pageNumber="119">
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<paragraph pageId="8" pageNumber="119">
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Figure 6. Scanning electron micrographs (SEM) of basidiospores of
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<taxonomicName class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum" order="Russulales" pageId="8" pageNumber="119" phylum="Basidiomycota" rank="genus">Dichostereum</taxonomicName>
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. a
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<taxonomicName lsidName="D. austrosinense" pageId="8" pageNumber="119" rank="species" species="austrosinense">D. austrosinense</taxonomicName>
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(holotype, He 4871) b
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<taxonomicName lsidName="D. boidinii" pageId="8" pageNumber="119" rank="species" species="boidinii">D. boidinii</taxonomicName>
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(holotype, He 5026) c
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<taxonomicName lsidName="D. eburneum" pageId="8" pageNumber="119" rank="species" species="eburneum">D. eburneum</taxonomicName>
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(holotype, He 5374) d
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<taxonomicName lsidName="D. granulosum" pageId="8" pageNumber="119" rank="species" species="granulosum">D. granulosum</taxonomicName>
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(He 1887) e
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<taxonomicName lsidName="D. pallescens" pageId="8" pageNumber="119" rank="species" species="pallescens">D. pallescens</taxonomicName>
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(He 3266) f
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<taxonomicName lsidName="D. rhodosporum" pageId="8" pageNumber="119" rank="species" species="rhodosporum">D. rhodosporum</taxonomicName>
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(Dai 18625A). Scale bar: 1
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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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<subSection pageId="9" pageNumber="120" type="key to 5 species of dichostereum in china">
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<paragraph pageId="9" pageNumber="120">
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<pageBreakToken pageId="9" pageNumber="120" start="start">Key</pageBreakToken>
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to 5 species of
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<taxonomicName class="Agaricomycetes" family="Lachnocladiaceae" genus="Dichostereum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dichostereum" order="Russulales" pageId="9" pageNumber="120" phylum="Basidiomycota" rank="genus">Dichostereum</taxonomicName>
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in China
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</paragraph>
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<paragraph pageId="9" pageNumber="120">
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<table pageId="9" pageNumber="120">
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<tr pageId="9" pageNumber="120">
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<td colspan="1" pageId="9" pageNumber="120" rowspan="1">
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<taxonomicName lsidName="D. granulosum" pageId="9" pageNumber="120" rank="species" species="granulosum">D. granulosum</taxonomicName>
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</td>
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</tr>
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<tr pageId="9" pageNumber="120">
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<td colspan="1" pageId="9" pageNumber="120" rowspan="1">2</td>
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</tr>
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<tr pageId="9" pageNumber="120">
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<td colspan="1" pageId="9" pageNumber="120" rowspan="1">
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Castanopsis" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Castanopsis" order="Fagales" pageId="9" pageNumber="120" phylum="Tracheophyta" rank="genus">Castanopsis</taxonomicName>
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</td>
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<td colspan="1" pageId="9" pageNumber="120" rowspan="1">
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<taxonomicName lsidName="D. eburneum" pageId="9" pageNumber="120" rank="species" species="eburneum">D. eburneum</taxonomicName>
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</td>
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</tr>
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<tr pageId="9" pageNumber="120">
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<td colspan="1" pageId="9" pageNumber="120" rowspan="1">3</td>
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</tr>
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<tr pageId="9" pageNumber="120">
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<td colspan="1" pageId="9" pageNumber="120" rowspan="1">
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<taxonomicName lsidName="D. austrosinense" pageId="9" pageNumber="120" rank="species" species="austrosinense">D. austrosinense</taxonomicName>
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</td>
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</tr>
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<tr pageId="9" pageNumber="120">
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<td colspan="1" pageId="9" pageNumber="120" rowspan="1">4</td>
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</tr>
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<tr pageId="9" pageNumber="120">
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<td colspan="1" pageId="9" pageNumber="120" rowspan="1">
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<taxonomicName lsidName="D. pallescens" pageId="9" pageNumber="120" rank="species" species="pallescens">D. pallescens</taxonomicName>
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</td>
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</tr>
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<tr pageId="9" pageNumber="120">
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<td colspan="1" pageId="9" pageNumber="120" rowspan="1">
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<taxonomicName lsidName="D. boidinii" pageId="9" pageNumber="120" rank="species" species="boidinii">D. boidinii</taxonomicName>
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</td>
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</tr>
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</table>
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</paragraph>
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</subSection>
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</subSubSection>
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</treatment>
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</document> |