269 lines
19 KiB
XML
269 lines
19 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.19.11174" ID-GBIF-Dataset="597e66bb-9991-4125-a460-5c17b80f33c8" ID-GBIF-Taxon="127892651" ID-Pensoft-Pub="1314-4049-19-31" ModsDocAuthor="" ModsDocDate="2017" ModsDocID="1314-4049-19-31" ModsDocOrigin="MycoKeys 19" ModsDocTitle="Two new species of Strigula (lichenised Dothideomycetes, Ascomycota) from China, with a key to the Chinese foliicolous species" checkinTime="1485645449582" checkinUser="pensoft" docAuthor="Jiang, Shu-Hua, Wei, Xin-Li & Wei, Jiang-Chun" docDate="2017" docId="5148E7A7214842ED252B7F2E34022BF5" docLanguage="en" docName="MycoKeys 19: 31-42" docOrigin="MycoKeys 19" docSource="http://dx.doi.org/10.3897/mycokeys.19.11174" docTitle="Strigula guangxiensis S. H. Jiang, X. L. Wei & J. C. Wei, sp. nov." docType="treatment" docVersion="3" lastPageId="6" lastPageNumber="37" masterDocId="8B2EAA5CC93A98029154774E10590724" masterDocTitle="Two new species of Strigula (lichenised Dothideomycetes, Ascomycota) from China, with a key to the Chinese foliicolous species" masterLastPageNumber="42" masterPageNumber="31" pageId="4" pageNumber="35" updateTime="1643487431222" 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>Two new species of Strigula (lichenised Dothideomycetes, Ascomycota) from China, with a key to the Chinese foliicolous species</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, Shu-Hua</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>Wei, Xin-Li</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>Wei, Jiang-Chun</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>2017</mods:date>
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<mods:detail type="volume">
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<mods:number>19</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>31</mods:start>
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<mods:end>42</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.19.11174</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.19.11174</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-19-31</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="127892651" LSID="urn:lsid:plazi:treatment:5148E7A7214842ED252B7F2E34022BF5" httpUri="http://treatment.plazi.org/id/5148E7A7214842ED252B7F2E34022BF5" lastPageId="6" lastPageNumber="37" pageId="4" pageNumber="35">
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<subSubSection pageId="4" pageNumber="35" type="nomenclature">
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<paragraph pageId="4" pageNumber="35">
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<taxonomicName LSID="http://fungalinfo.im.ac.cn/fungalname/fungalexample.html?fn=570329" authority="S. H. Jiang, X. L. Wei & J. C. Wei" class="Dothideomycetes" family="Strigulaceae" genus="Strigula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Strigula guangxiensis" order="Strigulales" pageId="4" pageNumber="35" phylum="Ascomycota" rank="species" species="guangxiensis">Strigula guangxiensis S.H.Jiang, X.L.Wei & J.C.Wei</taxonomicName>
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<taxonomicNameLabel pageId="4" pageNumber="35">sp. nov.</taxonomicNameLabel>
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Figure 3
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="36" type="diagnosis">
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<paragraph pageId="5" pageNumber="36">
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<pageBreakToken pageId="5" pageNumber="36" start="start">Diagnosis</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="5" pageNumber="36">
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Characterized by the thin thallus (30-45
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick), long asci (45-65
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<normalizedToken originalValue="×">x</normalizedToken>
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10-12.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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), aggregated pycnidia, large ascospores (15-25
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<normalizedToken originalValue="×">x</normalizedToken>
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2.5-5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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), and 1-septate macroconidia (12.5-17.5
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<normalizedToken originalValue="×">x</normalizedToken>
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2.5-5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="36" type="materials_examined">
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<paragraph pageId="5" pageNumber="36">Type.</paragraph>
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<paragraph pageId="5" pageNumber="36">
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CHINA. Guangxi: Nanning,
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<normalizedToken originalValue="Long’an">Long'an</normalizedToken>
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County, Longhu mountain natural reserve.
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="22.961668">22°57'42"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="107.62778">107°37'40"E</geoCoordinate>
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, 150 m alt., on living leaves, 1 Dec 2015, S.H.Jiang GX201511127 (
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<normalizedToken originalValue="HMAS–L">HMAS-L</normalizedToken>
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0138040 - holotype).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="36" type="description">
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<paragraph pageId="5" pageNumber="36">Description.</paragraph>
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<paragraph pageId="5" pageNumber="36">
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Thallus subcuticular, dispersed into rounded to irregular, partly confluent patches, 1-2 mm across, a few to 3 mm, 30-45
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick, margins entire to crenulate, bright green to pale green, sometimes white in the centre, surface smooth. Photobiont
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<taxonomicName class="Ulvophyceae" family="Trentepohliaceae" genus="Cephaleuros" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cephaleuros" order="Trentepohliales" pageId="5" pageNumber="36" phylum="Chlorophyta" rank="genus">Cephaleuros</taxonomicName>
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, cells 5-12
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<normalizedToken originalValue="×">x</normalizedToken>
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4-9
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<normalizedToken originalValue="μm">μm</normalizedToken>
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. Perithecia hemispherical, rarely found in specimens with aggregated pycnidia, small, scattered, round individuals with one or two perithecia occur in pure populations, basal part immersed in the thallus, 0.5-0.7 mm diam and 90-120
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<normalizedToken originalValue="μm">μm</normalizedToken>
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tall, black. Exciple prosoplectenchymatous, 7.5-12.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick, brown. Involucrellum carbonaceous, black, 20-90
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick. Interascal filaments unbranched, c. 1-2
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick. Asci obclavate, 45-65
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<normalizedToken originalValue="×">x</normalizedToken>
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10-12.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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. Ascospores 8 per ascus, biseriate, fusiform, 1-septate, distinctly constricted at the septum, distal cell slightly enlarged, 15-25
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<normalizedToken originalValue="×">x</normalizedToken>
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2.5-5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, 4-5 times as long as broad. Pycnidia producing abundant macroconidia, few on thalli producing perithecia and overgrowing them, single or most frequently aggregated in groups of 3-10, semi-immersed, wart-shaped, those producing macroconidia 0.07-0.15 mm diam, those producing microconidia 0.05-0.1 mm diam, black. Macroconidia bacillar, 1-septate, 12.5-17.5
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<normalizedToken originalValue="×">x</normalizedToken>
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2.5-5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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. Microconidia fusiform, non-septate, 4-5
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<normalizedToken originalValue="×">x</normalizedToken>
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1.5-2
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<normalizedToken originalValue="μm">μm</normalizedToken>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="36" type="chemistry">
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<paragraph pageId="5" pageNumber="36">Chemistry.</paragraph>
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<paragraph pageId="5" pageNumber="36">No substances detected by TLC.</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="36" type="habitat">
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<paragraph pageId="5" pageNumber="36">Habitat and distribution.</paragraph>
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<paragraph pageId="5" pageNumber="36">On the surface of living leaves in humid, semi-exposed forests of south China.</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="36" type="etymology">
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<paragraph pageId="5" pageNumber="36">Etymology.</paragraph>
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<paragraph pageId="5" pageNumber="36">
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The epithet "
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<taxonomicName lsidName="guangxiensis" pageId="5" pageNumber="36" rank="species" species="guangxiensis">guangxiensis</taxonomicName>
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" is the name of the province including the type locality of the new species.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="6" lastPageNumber="37" pageId="5" pageNumber="36" type="materials_examined">
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<paragraph pageId="5" pageNumber="36">Other specimens examined.</paragraph>
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<paragraph lastPageId="6" lastPageNumber="37" pageId="5" pageNumber="36">
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CHINA. Guangxi: Nanning,
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<normalizedToken originalValue="Long’an">Long'an</normalizedToken>
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County, Longhu mountain natural reserve.
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="22.961668">22°57'42"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="107.62778">107°37'40"E</geoCoordinate>
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, 150 m alt., on living
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<pageBreakToken pageId="6" pageNumber="37" start="start">leaves</pageBreakToken>
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, 1 Dec 2015, S.H.Jiang GX201511078 (
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<normalizedToken originalValue="HMAS–L">HMAS-L</normalizedToken>
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0138044), GX201511087 (
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<normalizedToken originalValue="HMAS–L">HMAS-L</normalizedToken>
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0138041), GX201511071 (
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<normalizedToken originalValue="HMAS–L">HMAS-L</normalizedToken>
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0138065), GX201511107 (
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<normalizedToken originalValue="HMAS–L">HMAS-L</normalizedToken>
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0138043), GX201511130 (
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<normalizedToken originalValue="HMAS–L">HMAS-L</normalizedToken>
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0138042).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="37" type="remarks">
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<paragraph pageId="6" pageNumber="37">Remarks.</paragraph>
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<paragraph pageId="6" pageNumber="37">
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<taxonomicName class="Dothideomycetes" family="Strigulaceae" genus="Strigula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Strigula guangxiensis" order="Strigulales" pageId="6" pageNumber="37" phylum="Ascomycota" rank="species" species="guangxiensis">Strigula guangxiensis</taxonomicName>
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is most similar to
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<taxonomicName class="Dothideomycetes" family="Strigulaceae" genus="Strigula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Strigula subelegans" order="Strigulales" pageId="6" pageNumber="37" phylum="Ascomycota" rank="species" species="subelegans">Strigula subelegans</taxonomicName>
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, having essentially the same ascospore dimensions, but differs in the smaller and thinner thallus (5-15 mm across and 30-70
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick in
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<taxonomicName class="Dothideomycetes" family="Strigulaceae" genus="Strigula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Strigula subelegans" order="Strigulales" pageId="6" pageNumber="37" phylum="Ascomycota" rank="species" species="subelegans">Strigula subelegans</taxonomicName>
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;
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<bibRefCitation author="Lu ̈ cking, R" journalOrPublisher="New York Botanical Garden Press, New York" pageId="9" pageNumber="40" title="Foliicolous Lichenized Fungi (Flora Neotropica Vol. 103)." year="2008">Lücking 2008</bibRefCitation>
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). In addition, the perithecia and pycnidia are usually separated on different thallus patches and the pycnidia are often aggregated (dispersed in
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<taxonomicName class="Dothideomycetes" family="Strigulaceae" genus="Strigula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Strigula subelegans" order="Strigulales" pageId="6" pageNumber="37" phylum="Ascomycota" rank="species" species="subelegans">Strigula subelegans</taxonomicName>
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) (
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<bibRefCitation author="Lu ̈ cking, R" journalOrPublisher="New York Botanical Garden Press, New York" pageId="9" pageNumber="40" title="Foliicolous Lichenized Fungi (Flora Neotropica Vol. 103)." year="2008">Lücking 2008</bibRefCitation>
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).
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<taxonomicName class="Dothideomycetes" family="Strigulaceae" genus="Strigula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Strigula wandae" order="Strigulales" pageId="6" pageNumber="37" phylum="Ascomycota" rank="species" species="wandae">Strigula wandae</taxonomicName>
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M.
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<normalizedToken originalValue="Cáceres">Caceres</normalizedToken>
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&
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<normalizedToken originalValue="Lücking">Luecking</normalizedToken>
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is also similar in appearance, but distinguished by the oblong-ellipsoid ascospores, with cells of equal size, solitary pycnidia, and smaller macroconidia (12-15
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<normalizedToken originalValue="×">x</normalizedToken>
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2.5-3
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<normalizedToken originalValue="μm">μm</normalizedToken>
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) (
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<bibRefCitation author="Lu ̈ cking, R" journalOrPublisher="Global Ecology & Biogeography" pageId="9" pageNumber="40" pagination="21 - 36" title="Foliicolous lichens from valdivian temperate rain forest of Chile and Argentina: evidence of an austral element, with the description of seven new taxa." url="https://doi.org/10.1046/j.1466-822x.2003.00319.x" volume="12" year="2003">Lücking et al. 2003</bibRefCitation>
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,
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<bibRefCitation author="Lu ̈ cking, R" journalOrPublisher="New York Botanical Garden Press, New York" pageId="9" pageNumber="40" title="Foliicolous Lichenized Fungi (Flora Neotropica Vol. 103)." year="2008">Lücking 2008</bibRefCitation>
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).
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</paragraph>
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<paragraph pageId="6" pageNumber="37">
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With respect to aggregated pycnidia, four other species of
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<taxonomicName class="Dothideomycetes" family="Strigulaceae" genus="Strigula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Strigula" order="Strigulales" pageId="6" pageNumber="37" phylum="Ascomycota" rank="genus">Strigula</taxonomicName>
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have aggregated pycnidia developing as in similarly with
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<taxonomicName class="Dothideomycetes" family="Strigulaceae" genus="Strigula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Strigula guangxiensis" order="Strigulales" pageId="6" pageNumber="37" phylum="Ascomycota" rank="species" species="guangxiensis">Strigula guangxiensis</taxonomicName>
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:
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<taxonomicName class="Dothideomycetes" family="Strigulaceae" genus="Strigula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Strigula schizospora" order="Strigulales" pageId="6" pageNumber="37" phylum="Ascomycota" rank="species" species="schizospora">Strigula schizospora</taxonomicName>
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, which can be distinguished by the smaller ascospores (8-12
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<normalizedToken originalValue="×">x</normalizedToken>
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2-2.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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), usually breaking into parts while still within the asci, and the smaller macroconidia (4-6
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<normalizedToken originalValue="×">x</normalizedToken>
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1.5-2
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<normalizedToken originalValue="μm">μm</normalizedToken>
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) (
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<bibRefCitation author="Santesson, R" journalOrPublisher="Symbolae Botanicae Upsalienses" pageId="9" pageNumber="40" pagination="1 - 590" title="Foliicolous lichens I. A revision of the taxonomy of the obligately foliicolous, lichenized fungi." volume="12" year="1952">Santesson 1952</bibRefCitation>
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);
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<taxonomicName class="Dothideomycetes" family="Strigulaceae" genus="Strigula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Strigula lacericola" order="Strigulales" pageId="6" pageNumber="37" phylum="Ascomycota" rank="species" species="lacericola">Strigula lacericola</taxonomicName>
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P.M. McCarthy, has smaller, narrow ascospores (10-14
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<normalizedToken originalValue="×">x</normalizedToken>
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1.5-2.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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), with cells of equal size and smaller, and non-septate macroconidia (6-8
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<normalizedToken originalValue="×">x</normalizedToken>
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1-2
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<normalizedToken originalValue="μm">μm</normalizedToken>
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) (
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<bibRefCitation author="McCarthy, PM" journalOrPublisher="Flora of Australia" pageId="9" pageNumber="40" pagination="570 - 601" title="Strigulaceae." volume="57" year="2009">McCarthy 2009</bibRefCitation>
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);
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<taxonomicName class="Dothideomycetes" family="Strigulaceae" genus="Strigula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Strigula novae-zelandiae" order="Strigulales" pageId="6" pageNumber="37" phylum="Ascomycota" rank="species" species="novae-zelandiae">Strigula novae-zelandiae</taxonomicName>
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(Nag Raj)
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<normalizedToken originalValue="Sérus">Serus</normalizedToken>
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., characterised by the circular thalli with a crenulate to deeply digitate margin and especially the pycnidia producing polarilocular macroconidia (
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<bibRefCitation author="Serusiaux, E" journalOrPublisher="Bryologist" pageId="9" pageNumber="40" pagination="147 - 152" title="Further observations on the lichen genus Strigula in New Zealand." url="https://doi.org/10.1639/0007-2745(1998)101[147:footlg]2.0.co;2" volume="101" year="1998">
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<normalizedToken originalValue="Sérusiaux">Serusiaux</normalizedToken>
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1998
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</bibRefCitation>
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); and
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<taxonomicName class="Dothideomycetes" family="Strigulaceae" genus="Strigula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Strigula antillarum" order="Strigulales" pageId="6" pageNumber="37" phylum="Ascomycota" rank="species" species="antillarum">Strigula antillarum</taxonomicName>
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, which has a thinner thallus (20-30
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick) and longer asci (60-70
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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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) (
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<bibRefCitation author="Lu ̈ cking, R" journalOrPublisher="New York Botanical Garden Press, New York" pageId="9" pageNumber="40" title="Foliicolous Lichenized Fungi (Flora Neotropica Vol. 103)." year="2008">Lücking 2008</bibRefCitation>
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). According to our phylogenetic analyses, even though the differences in morphology are subtle, the species are readily separated in the molecular phylograms (Figure 1).
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</paragraph>
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<caption pageId="6" pageNumber="37">
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<paragraph pageId="6" pageNumber="37">
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Figure 3. The new species
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<taxonomicName class="Dothideomycetes" family="Strigulaceae" genus="Strigula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Strigula guangxiensis" order="Strigulales" pageId="6" pageNumber="37" phylum="Ascomycota" rank="species" species="guangxiensis">Strigula guangxiensis</taxonomicName>
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(holotype,
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<normalizedToken originalValue="HMAS–L">HMAS-L</normalizedToken>
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0138040). a Thallus with perithecia b Thallus with pycnidia c, d Perithecia e Asci with eight biseriate ascospores f Ascospores, with distal cell slightly enlarged g Macroconidia; h Microconidia. Scale bars: a, b = 100
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<normalizedToken originalValue="μm">μm</normalizedToken>
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; c, d = 50
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<normalizedToken originalValue="μm">μm</normalizedToken>
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; e, f, g, h = 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> |