224 lines
16 KiB
XML
224 lines
16 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.48.31715" ID-GBIF-Dataset="a23e007b-096b-4fc2-a88e-80d8dcdb7fdb" ID-PMC="PMC6416227" ID-Pensoft-Pub="1314-4049--67" ID-PubMed="30881194" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1314-4049--67" ModsDocOrigin="MycoKeys " ModsDocTitle="Species of Dendrostoma (Erythrogloeaceae, Diaporthales) associated with chestnut and oak canker diseases in China" checkinTime="1553125539180" checkinUser="pensoft" docAuthor="Jiang, Ning, Fan, Xin-Lei, Crous, Pedro W. & Tian, Cheng-Ming" docDate="2019" docId="12B550C0FAF949E8F7E8BE1A607CFC26" docLanguage="en" docName="MycoKeys 48: 67-96" docOrigin="MycoKeys 48" docSource="http://dx.doi.org/10.3897/mycokeys.48.31715" docTitle="Dendrostoma quercus C. M. Tian & N. Jiang, sp. nov." docType="treatment" docVersion="4" lastPageNumber="85" masterDocId="FFD78B19FFEFFFFBEE510805FF80FFF8" masterDocTitle="Species of Dendrostoma (Erythrogloeaceae, Diaporthales) associated with chestnut and oak canker diseases in China" masterLastPageNumber="96" masterPageNumber="67" pageNumber="83" updateTime="1668136181230" 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>Species of Dendrostoma (Erythrogloeaceae, Diaporthales) associated with chestnut and oak canker diseases in 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>Jiang, Ning</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>Fan, Xin-Lei</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>Crous, Pedro W.</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>48</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>96</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.48.31715</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.48.31715</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049--67</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="154473630" LSID="urn:lsid:plazi:treatment:12B550C0FAF949E8F7E8BE1A607CFC26" httpUri="http://treatment.plazi.org/id/12B550C0FAF949E8F7E8BE1A607CFC26" lastPageId="18" lastPageNumber="85" pageId="16" pageNumber="83">
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<subSubSection pageId="16" pageNumber="83" type="nomenclature">
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<paragraph pageId="16" pageNumber="83">
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<taxonomicName LSID="MB826824" authority="C. M. Tian & N. Jiang" class="Sordariomycetes" family="Erythrogloeaceae" genus="Dendrostoma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dendrostoma quercus" order="Diaporthales" pageId="16" pageNumber="83" phylum="Ascomycota" rank="species" species="quercus">Dendrostoma quercus C.M. Tian & N. Jiang</taxonomicName>
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<taxonomicNameLabel pageId="16" pageNumber="83">sp. nov.</taxonomicNameLabel>
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Figure 10
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</paragraph>
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</subSubSection>
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<subSubSection pageId="16" pageNumber="83" type="diagnosis">
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<paragraph pageId="16" pageNumber="83">Diagnosis.</paragraph>
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<paragraph pageId="16" pageNumber="83">
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<taxonomicName class="Sordariomycetes" genus="Dendrostoma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dendrostoma quercus" order="Diaporthales" pageId="16" pageNumber="83" phylum="Ascomycota" rank="species" species="quercus">Dendrostoma quercus</taxonomicName>
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is recognised by the existence of dimorphic conidia, which is unique in the genus.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="16" pageNumber="83" type="holotype">
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<paragraph pageId="16" pageNumber="83">Holotype.</paragraph>
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<paragraph pageId="16" pageNumber="83">
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CHINA. Hebei Province: Qinhuangdao City, Zu Mountain,
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="40.236946">40°14'13"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="119.72444">119°43'28"E</geoCoordinate>
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, 1125 m a.s.l., on branches of
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="16" pageNumber="83" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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sp., 2 May 2018, N. Jiang & C.M. Tian (holotype: BJFC-S1547; ex-type culture: CFCC 52739).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="16" pageNumber="83" type="etymology">
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<paragraph pageId="16" pageNumber="83">Etymology.</paragraph>
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<paragraph pageId="16" pageNumber="83">
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Quercus, referring to the host genus,
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="16" pageNumber="83" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="17" lastPageNumber="84" pageId="16" pageNumber="83" type="description">
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<paragraph pageId="16" pageNumber="83">Description.</paragraph>
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<paragraph lastPageId="17" lastPageNumber="84" pageId="16" pageNumber="83">
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Sexual morph: Pseudostromata erumpent, consisting of an inconspicuous ectostromatic disc, semi-immersed to superficial, causing a pustulate bark surface, 1000-1500
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam. Ectostromatic disc flat or concave, pale brown to brown, sometimes concealed by ostioles, surrounded by bark flaps, 400-800
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam.; central column yellowish to brownish. Stromatic zones lacking. Perithecia conspicuous, umber to fuscous black, 350-500
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam. Ostioles 5-8 per disc, flat in the disc or sometimes slightly projecting, cylindrical, covered by an orange, umber to fuscous black crust, 60-80
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam. Paraphyses slightly deliquescent. Asci fusoid to slightly fusiform, 8-spored, ascospores regularly disposed, with an apical ring, 55-65
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<normalizedToken originalValue="×">x</normalizedToken>
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8-11
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<normalizedToken originalValue="µm">µm</normalizedToken>
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. Ascospores hyaline, fusoid to cylindrical, smooth, often containing one guttule per cell to multiguttulate, symmetrical to asymmetrical, straight curved, bicellular, (13.4
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<normalizedToken originalValue="–)13.8–15.6(–">-)13.8-15.6(-</normalizedToken>
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16.6)
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<normalizedToken originalValue="×">x</normalizedToken>
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(5.1
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<normalizedToken originalValue="–)5.3–5.8(–">-)5.3-5.8(-</normalizedToken>
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5.9)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, l/w = (2.4
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<normalizedToken originalValue="–)2.5–2.8(–">-)2.5-2.8(-</normalizedToken>
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2.9) (n = 50). Asexual morph: Conidiomata pycnidial, conical, occurring separately, pale yellow, semi-immersed in bark, 700-1000
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<normalizedToken originalValue="μm">μm</normalizedToken>
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high, 700-950
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<normalizedToken originalValue="μm">μm</normalizedToken>
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diam.; wall of several layers of pale yellow textura angularis; central column beneath the disc conical, yellow. Conidiophores reduced to conidiogenous cells. Conidiogenous cells lining the inner walls of the cavity, hyaline,
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<pageBreakToken pageId="17" pageNumber="84" start="start">smooth</pageBreakToken>
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, subcylindrical to ampulliform, 4.5-9
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<normalizedToken originalValue="×">x</normalizedToken>
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2-4
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<normalizedToken originalValue="μm">μm</normalizedToken>
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. Conidia hyaline, aseptate, smooth, multiguttulate, thin-walled, dimorphic, type one (> 99%) ellipsoid to fusoid, straight to curved, (11
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<normalizedToken originalValue="–)13.3–16.1(–">-)13.3-16.1(-</normalizedToken>
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16.9)
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<normalizedToken originalValue="×">x</normalizedToken>
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(3.4
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<normalizedToken originalValue="–)3.5–4.2(–">-)3.5-4.2(-</normalizedToken>
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4.5)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, l/w = (2.6
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<normalizedToken originalValue="–)3.3–4.4(–">-)3.3-4.4(-</normalizedToken>
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4.9) (n = 50); type two (<1%) fusoid, apex acutely rounded, 13-16
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<normalizedToken originalValue="×">x</normalizedToken>
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4-6
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<normalizedToken originalValue="μm">μm</normalizedToken>
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.
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</paragraph>
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<caption pageId="17" pageNumber="84">
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<paragraph pageId="17" pageNumber="84">
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Figure 10. Morphology of
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<taxonomicName class="Sordariomycetes" genus="Dendrostoma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dendrostoma quercus" order="Diaporthales" pageId="17" pageNumber="84" phylum="Ascomycota" rank="species" species="quercus">Dendrostoma quercus</taxonomicName>
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from
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="17" pageNumber="84" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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sp. (BJFC-S1547).
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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Habit of psedostromata on branches D Transverse section of pseudostroma E, H Habit of conidiomata on branches F Transverse section of conidioma G Longitudinal section through conidioma I Conidiogenous cells producing dimorphic conidia J Secondary conidia K Asci and ascospores L Ascospores M Primary conidia. Scale bars: 1 mm (A, H); 0.5 mm (
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<normalizedToken originalValue="B–G">B-G</normalizedToken>
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); 10
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(I,
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<normalizedToken originalValue="K–M">K-M</normalizedToken>
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); 5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(J).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="18" pageNumber="85" type="description">
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<paragraph pageId="18" pageNumber="85">
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<pageBreakToken pageId="18" pageNumber="85" start="start">Culture</pageBreakToken>
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characters.
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</paragraph>
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<paragraph pageId="18" pageNumber="85">On PDA, cultures are initially white, becoming dark grey after 2 weeks. The colonies are flat with irregular edge; texture uniform, producing concentric circles with sparse conidiomata irregularly distributed within 1 month at 25 °C in the dark.</paragraph>
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</subSubSection>
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<subSubSection pageId="18" pageNumber="85" type="materials_examined">
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<paragraph pageId="18" pageNumber="85">Additional specimens examined.</paragraph>
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<paragraph pageId="18" pageNumber="85">
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CHINA. Hebei Province: Qinhuangdao City, Zu Mountain,
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="40.236946">40°14'13"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="119.72444">119°43'28"E</geoCoordinate>
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, 1125 m a.s.l., on branches of
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="18" pageNumber="85" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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sp., 2 May 2018, N. Jiang & C.M. Tian, living culture CFCC 52734 (BJFC-S1548); Hebei Province: Qinhuangdao City, Zu Mountain,
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="40.236946">40°14'13"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="119.72444">119°43'28"E</geoCoordinate>
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, 1125 m a.s.l., on branches of
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="18" pageNumber="85" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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sp., 2 May 2018, N. Jiang & C.M. Tian, living culture CFCC 52735 (BJFC-S1541); Hebei Province: Qinhuangdao City, Zu Mountain,
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="40.236946">40°14'13"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="119.72444">119°43'28"E</geoCoordinate>
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, 1125 m a.s.l., on branches of
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="18" pageNumber="85" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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sp., 2 May 2018, N. Jiang & C.M. Tian, living culture CFCC 52736 (BJFC-S1542); Hebei Province: Qinhuangdao City, Zu Mountain,
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="40.236946">40°14'13"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="119.72444">119°43'28"E</geoCoordinate>
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, 1125 m a.s.l., on branches of
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="18" pageNumber="85" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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sp., 2 May 2018, N. Jiang & C.M. Tian, living culture CFCC 52737 (BJFC-S1543); Hebei Province: Qinhuangdao City, Zu Mountain,
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="40.236946">40°14'13"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="119.72444">119°43'28"E</geoCoordinate>
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, 1125 m a.s.l., on branches of
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="18" pageNumber="85" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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sp., 2 May 2018, N. Jiang & C.M. Tian, living culture CFCC 52738 (BJFC-S1544); Hebei Province: Qinhuangdao City, Zu Mountain,
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="40.236946">40°14'13"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="119.72444">119°43'28"E</geoCoordinate>
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, 1125 m a.s.l., on branches of
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="18" pageNumber="85" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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sp., 2 May 2018, N. Jiang & C.M. Tian, living culture CFCC 52740 (BJFC-S1545).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="18" pageNumber="85" type="notes">
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<paragraph pageId="18" pageNumber="85">Notes.</paragraph>
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<paragraph pageId="18" pageNumber="85">
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<taxonomicName class="Sordariomycetes" genus="Dendrostoma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dendrostoma quercus" order="Diaporthales" pageId="18" pageNumber="85" phylum="Ascomycota" rank="species" species="quercus">Dendrostoma quercus</taxonomicName>
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is associated with oak branch cankers and forms both sexual and asexual fruiting structures beneath cankered bark. Within the genus,
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<taxonomicName lsidName="D. quercus" pageId="18" pageNumber="85" rank="species" species="quercus">D. quercus</taxonomicName>
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produces the second largest conidia, smaller only than those of
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<taxonomicName lsidName="D. qinlingense" pageId="18" pageNumber="85" rank="species" species="qinlingense">D. qinlingense</taxonomicName>
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(Table 2). The presence of dimorphic conidia in
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<taxonomicName class="Sordariomycetes" genus="Dendrostoma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dendrostoma" order="Diaporthales" pageId="18" pageNumber="85" phylum="Ascomycota" rank="genus">Dendrostoma</taxonomicName>
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, however, is a feature unique to
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<taxonomicName lsidName="D. quercus" pageId="18" pageNumber="85" rank="species" species="quercus">D. quercus</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |