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213 lines
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<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.56.35554" ID-GBIF-Dataset="583667f3-c929-4339-9dab-fd46da615d08" ID-PMC="PMC6637033" ID-Pensoft-Pub="1314-4049-56-67" ID-PubMed="31341400" ModsDocID="1314-4049-56-67" checkinTime="1565091252313" checkinUser="pensoft" docAuthor="Jiang, Ning, Voglmayr, Hermann & Tian, Cheng-Ming" docDate="2019" docId="92A944FFADF3508D875F64F452FA9EF7" docLanguage="en" docName="MycoKeys 56: 67-80" docOrigin="MycoKeys 56" docSource="http://dx.doi.org/10.3897/mycokeys.56.35554" docTitle="Coryneum ilicis C. M. Tian & N. Jiang, sp. nov." docType="treatment" docVersion="5" lastPageNumber="67" masterDocId="FF9CBA68FF87790FFFA0FFB6FFE1FF76" masterDocTitle="Morphology and phylogeny reveal two novel Coryneum species from China" masterLastPageNumber="80" masterPageNumber="67" pageNumber="67" updateTime="1668136285575" 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>Morphology and phylogeny reveal two novel Coryneum species from China</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Jiang, Ning</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Voglmayr, Hermann</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>Tian, Cheng-Ming</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>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>56</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>67</mods:start>
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<mods:end>80</mods:end>
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</mods:extent>
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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.56.35554</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.56.35554</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-56-67</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="159016246" LSID="urn:lsid:plazi:treatment:92A944FFADF3508D875F64F452FA9EF7" httpUri="http://treatment.plazi.org/id/92A944FFADF3508D875F64F452FA9EF7" lastPageNumber="67" pageId="0" pageNumber="67">
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<subSubSection pageId="0" pageNumber="67" type="nomenclature">
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<paragraph pageId="0" pageNumber="67">
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<taxonomicName LSID="92a944ff-adf3-508d-875f-64f452fa9ef7" authority="C. M. Tian & N. Jiang" class="Sordariomycetes" family="Pseudovalsaceae" genus="Coryneum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Coryneum ilicis" order="Diaporthales" pageId="0" pageNumber="67" phylum="Ascomycota" rank="species" species="ilicis">Coryneum ilicis C.M. Tian & N. Jiang</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="67">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Coryneum ilex from Ilex pernyi (BJFC-S 1720, holotype) A Fruiting bodies on natural substrate in surface view B pseudostroma in transverse section, showing perithecia and gray entostroma C longitudinal sections through pseudostromata D ascus E-J ascospores K conidiophores L-N conidia. Scale bars: 1 mm (A); 0.5 mm (B, C); 20 μm (D); 10 μm (E-N)." figureDoi="10.3897/mycokeys.56.35554.figure2" httpUri="https://binary.pensoft.net/fig/317332" pageId="0" pageNumber="67">Figure 2</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="67" type="diagnosis">
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<paragraph pageId="0" pageNumber="67">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="67">
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<taxonomicName class="Sordariomycetes" family="Pseudovalsaceae" genus="Coryneum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Coryneum ilicis" order="Diaporthales" pageId="0" pageNumber="67" phylum="Ascomycota" rank="species" species="ilicis">
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<emphasis italics="true" pageId="0" pageNumber="67">Coryneum ilicis</emphasis>
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</taxonomicName>
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is characterised by its host,
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<taxonomicName class="Magnoliopsida" family="Aquifoliaceae" genus="Ilex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ilex pernyi" order="Aquifoliales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="pernyi">
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<emphasis italics="true" pageId="0" pageNumber="67">Ilex pernyi</emphasis>
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</taxonomicName>
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, and large conidia with 10-11 distosepta.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="67" type="holotype">
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<paragraph pageId="0" pageNumber="67">Holotype.</paragraph>
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<paragraph pageId="0" pageNumber="67">
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CHINA. Shaanxi Province: Zhashui County, on branches of
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<taxonomicName class="Magnoliopsida" family="Aquifoliaceae" genus="Ilex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ilex pernyi" order="Aquifoliales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="pernyi">
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<emphasis italics="true" pageId="0" pageNumber="67">Ilex pernyi</emphasis>
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</taxonomicName>
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, 12 August 2017, N. Jiang (holotype: BJFC-S1720; ex-type culture from ascospore: CFCC 52994; living culture from conidium: CFCC 52996).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="67" type="etymology">
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<paragraph pageId="0" pageNumber="67">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="67">
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Named after the host genus on which it was collected,
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<taxonomicName class="Magnoliopsida" family="Aquifoliaceae" genus="Ilex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ilex" order="Aquifoliales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="67">Ilex</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="67" type="description">
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<paragraph pageId="0" pageNumber="67">Description.</paragraph>
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<paragraph pageId="0" pageNumber="67">
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Associated with canker on branches of
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<taxonomicName class="Magnoliopsida" family="Aquifoliaceae" genus="Ilex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ilex pernyi" order="Aquifoliales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="pernyi">
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<emphasis italics="true" pageId="0" pageNumber="67">Ilex pernyi</emphasis>
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</taxonomicName>
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.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="67">Sexual morph</emphasis>
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: Pseudostromata 0.5-1.5 mm diam., typically distinct, circular, without perithecial bumps, containing 1 or 2 perithecia embedded in a well-developed entostroma. Central column and entostroma grey. Ostioles inconspicuous and often invisible at the surface of the ectostromatic disc. Perithecia (350
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<normalizedToken originalValue="–)500–700(–">-)500-700(-</normalizedToken>
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850)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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diam. (n = 20), globular, somewhat flattened at the base. Asci 110-155
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<normalizedToken originalValue="×">x</normalizedToken>
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13-20
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, 8-spored, unitunicate, clavate, shortly pedicellate, apically rounded, with a conspicuous apical ring. Ascospores (26.2
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<normalizedToken originalValue="–)29.7–35.5(–">-)29.7-35.5(-</normalizedToken>
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36.2)
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<normalizedToken originalValue="×">x</normalizedToken>
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(11.0
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<normalizedToken originalValue="–)11.8–14.3(–">-)11.8-14.3(-</normalizedToken>
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15.2)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, l/w = (1.9
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<normalizedToken originalValue="–)2.2–2.9(–">-)2.2-2.9(-</normalizedToken>
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3.2) (n = 50), 1-seriate, fusiform, ends pointed, uniseptate, constricted at the septa, hyaline, guttulate, smooth-walled.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="67">Asexual morph</emphasis>
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: Conidiomata acervular, 0.2-1 mm wide, 0.2-1.2 mm high, solitary, erumpent through the outer periderm layers of the host, scattered, surface tissues above slightly domed. Conidiophores 40-85
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<normalizedToken originalValue="μm">μm</normalizedToken>
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long, 3-7
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<normalizedToken originalValue="μm">μm</normalizedToken>
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wide, branched, cylindrical, septate, hyaline at the apex, pale brown at the base. Conidiogenous cells holoblastic, integrated, indeterminate, cylindrical, expanding towards the apices, pale brown, smooth, with 0-1 percurrent extensions. Conidia (82
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<normalizedToken originalValue="–)87–95(–">-)87-95(-</normalizedToken>
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105)
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<normalizedToken originalValue="×">x</normalizedToken>
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(9.5
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<normalizedToken originalValue="–)10.5–11.5(–">-)10.5-11.5(-</normalizedToken>
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12.5)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, l/w = (7.4
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<normalizedToken originalValue="–)7.7–9.1(–">-)7.7-9.1(-</normalizedToken>
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9.3) (n = 50), variable in shape, curved, broadly fusiform to fusiform, cylindrical or clavate, dark brown, smooth-walled, 10-11-distoseptate, apical cell with a hyaline tip, truncate and black at the base.
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</paragraph>
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<caption doi="10.3897/mycokeys.56.35554.figure2" httpUri="https://binary.pensoft.net/fig/317332" pageId="0" pageNumber="67" start="Figure 2" startId="F2">
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<paragraph pageId="0" pageNumber="67">
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Figure 2.
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<taxonomicName class="Dothideomycetes" family="Parodiellaceae" genus="Coryneum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Coryneum ilex" pageId="0" pageNumber="67" phylum="Ascomycota" rank="species" species="ilex">
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<emphasis italics="true" pageId="0" pageNumber="67">Coryneum ilex</emphasis>
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</taxonomicName>
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from
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<taxonomicName class="Magnoliopsida" family="Aquifoliaceae" genus="Ilex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ilex pernyi" order="Aquifoliales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="pernyi">
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<emphasis italics="true" pageId="0" pageNumber="67">Ilex pernyi</emphasis>
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</taxonomicName>
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(BJFC-S1720, holotype)
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<emphasis bold="true" pageId="0" pageNumber="67">A</emphasis>
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Fruiting bodies on natural substrate in surface view
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<emphasis bold="true" pageId="0" pageNumber="67">B</emphasis>
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pseudostroma in transverse section, showing perithecia and gray entostroma
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<emphasis bold="true" pageId="0" pageNumber="67">C</emphasis>
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longitudinal sections through pseudostromata
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<emphasis bold="true" pageId="0" pageNumber="67">D</emphasis>
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ascus
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<emphasis bold="true" pageId="0" pageNumber="67">
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<normalizedToken originalValue="E–J">E-J</normalizedToken>
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</emphasis>
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ascospores
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<emphasis bold="true" pageId="0" pageNumber="67">K</emphasis>
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conidiophores
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<emphasis bold="true" pageId="0" pageNumber="67">
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<normalizedToken originalValue="L–N">L-N</normalizedToken>
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</emphasis>
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conidia. Scale bars: 1 mm (
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<emphasis bold="true" pageId="0" pageNumber="67">A</emphasis>
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); 0.5 mm (
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<emphasis bold="true" pageId="0" pageNumber="67">B, C</emphasis>
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); 20
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="67">D</emphasis>
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); 10
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="67">
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<normalizedToken originalValue="E–N">E-N</normalizedToken>
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</emphasis>
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).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="67" type="description">
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<paragraph pageId="0" pageNumber="67">Culture characters.</paragraph>
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<paragraph pageId="0" pageNumber="67">On PDA at 25 °C, colonies growing slowly and unevenly, reaching 70 mm diam. within 25 d, gradually becoming brownish dark grey in colour with scant cottony aerial mycelium, asexual morphs developed after 35 d.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="67" type="additional specimen examined">
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<paragraph pageId="0" pageNumber="67">Additional specimen examined.</paragraph>
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<paragraph pageId="0" pageNumber="67">
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CHINA. Shaanxi Province: Zhashui County, on branches of
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<taxonomicName class="Magnoliopsida" family="Aquifoliaceae" genus="Ilex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ilex pernyi" order="Aquifoliales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="pernyi">
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<emphasis italics="true" pageId="0" pageNumber="67">Ilex pernyi</emphasis>
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</taxonomicName>
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, 12 August 2017, N. Jiang (isotype: BJFC-S1721; living culture: CFCC 52995).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="67" type="notes">
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<paragraph pageId="0" pageNumber="67">Notes.</paragraph>
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<paragraph pageId="0" pageNumber="67">
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<taxonomicName class="Sordariomycetes" family="Pseudovalsaceae" genus="Coryneum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Coryneum ilicis" order="Diaporthales" pageId="0" pageNumber="67" phylum="Ascomycota" rank="species" species="ilicis">
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<emphasis italics="true" pageId="0" pageNumber="67">Coryneum ilicis</emphasis>
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</taxonomicName>
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is the sole species known from the host genus
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<taxonomicName class="Magnoliopsida" family="Aquifoliaceae" genus="Ilex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ilex" order="Aquifoliales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="67">Ilex</emphasis>
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</taxonomicName>
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; it can be easily recognised by host association and phylogeny (
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phylogenetic tree based on an MP analysis of a combined DNA dataset of ITS, LSU, TEF 1 - α and RPB 2 gene sequences for the species of Coryneum. Bootstrap values ≥ 50 % for MP / ML analyses are presented at the branches. Scale bar = 50 nucleotide substitutions." figureDoi="10.3897/mycokeys.56.35554.figure1" httpUri="https://binary.pensoft.net/fig/317331" pageId="0" pageNumber="67">Fig. 1</figureCitation>
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). Morphologically, conidia of
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<taxonomicName class="Sordariomycetes" family="Pseudovalsaceae" genus="Coryneum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Coryneum ilicis" order="Diaporthales" pageId="0" pageNumber="67" phylum="Ascomycota" rank="species" species="ilicis">
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<emphasis italics="true" pageId="0" pageNumber="67">Coryneum ilicis</emphasis>
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</taxonomicName>
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are larger and have more distosepta than in most of the other species (Table 1).
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</paragraph>
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</subSubSection>
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</treatment>
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</document>
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