249 lines
16 KiB
XML
249 lines
16 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.96.98738" ID-Pensoft-Pub="1314-4049-96-1" ID-Pensoft-UUID="91B81AFDAEAA5CAF9143A0D6623406B3" ModsDocID="1314-4049-96-1" checkinTime="1678295813948" checkinUser="pensoft" docAuthor="Pykaelae, Juha, Kantelinen, Annina & Myllys, Leena" docDate="2023" docId="0449FAF0386F5C6EA73D8586B299C1DB" docLanguage="en" docName="MycoKeys 96: 1-23" docOrigin="MycoKeys 96" docPubDate="2023-03-08" docSource="http://dx.doi.org/10.3897/mycokeys.96.98738" docTitle="Thelidium mendax Pykaelae & Myllys 2023, sp. nov." docType="treatment" docVersion="1" id="91B81AFDAEAA5CAF9143A0D6623406B3" lastPageNumber="1" masterDocId="91B81AFDAEAA5CAF9143A0D6623406B3" masterDocTitle="Taxonomy of Thelidium auruntii and T. incavatum complexes (lichenized Ascomycota, Verrucariales) in Finland" masterLastPageNumber="23" masterPageNumber="1" pageNumber="1" updateTime="1678295813948" updateUser="pensoft">
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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 of Thelidium auruntii and T. incavatum complexes (lichenized Ascomycota, Verrucariales) in Finland</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>Pykaelae, Juha</mods:namePart>
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<mods:affiliation>Nature solutions, Finnish Environment Institute, Latokartanonkaari 11, 00790, Helsinki, Finland</mods:affiliation>
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<mods:nameIdentifier type="email">juha.pykala@syke.fi</mods:nameIdentifier>
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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>Kantelinen, Annina</mods:namePart>
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<mods:affiliation>Botany Unit, Finnish Museum of Natural History, P. O. Box 7, FI- 00014, University of Helsinki, Helsinki, Finland</mods:affiliation>
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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>Myllys, Leena</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-9566-9473</mods:nameIdentifier>
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<mods:affiliation>Botany Unit, Finnish Museum of Natural History, P. O. Box 7, FI- 00014, University of Helsinki, Helsinki, Finland</mods:affiliation>
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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>2023</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2023-03-08</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>96</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>23</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.96.98738</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.96.98738</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-96-1</mods:identifier>
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<mods:identifier type="Pensoft-UUID">91B81AFDAEAA5CAF9143A0D6623406B3</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:0449FAF0386F5C6EA73D8586B299C1DB" httpUri="http://treatment.plazi.org/id/0449FAF0386F5C6EA73D8586B299C1DB" lastPageNumber="1" pageId="0" pageNumber="1">
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<subSubSection pageId="0" pageNumber="1" type="nomenclature">
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName LSID="0449FAF0-386F-5C6E-A73D-8586B299C1DB" authority="Pykälä & Myllys" authorityName="Pykaelae & Myllys" authorityYear="2023" class="Eurotiomycetes" family="Verrucariaceae" genus="Thelidium" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Thelidium mendax" order="Verrucariales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="mendax" status="sp. nov.">
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Thelidium mendax
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<normalizedToken originalValue="Pykälä">Pykaelae</normalizedToken>
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& Myllys
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</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. A Thelidium declivum (holotype) B T. huuskonenii (holotype) C T. mendax (holotype) D T. pseudoauruntii (holotype) E T. sallaense (holotype) F T. toskalharjiense (holotype). Scale bars: 1 mm (A-C, E, F); 0.5 mm (D)." figureDoi="10.3897/mycokeys.96.98738.figure2" httpUri="https://binary.pensoft.net/fig/821125" pageId="0" pageNumber="1">Figs 2C</figureCitation>
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Drawn anatomical features of the newly described Thelidium species. Represented perithecial features are similar between T. huuskonenii and T. toskalharjiense, as well as between T. declivum and T. mendax; therefore, they are shown combined. Spores are represented as intermediate size for all species A perithecia of T. huuskonenii and T. toskalharjiense combined B spores of T. huuskonenii C spores of T. toskalharjiense D perithecium of T. pseudoauruntii E spores of T. pseudoauruntii F perithecium of T. sallaense G spores of T. sallaense H perithecia of T. declivum and T. mendax combined I spores of T. declivum J spores of T. mendax. Scale bars for perithecia are 100 μm, and for spores 20 μm. Illustration: A. Kantelinen" figureDoi="10.3897/mycokeys.96.98738.figure3" httpUri="https://binary.pensoft.net/fig/821126" pageId="0" pageNumber="1">, 3H, J</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="diagnosis">
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<paragraph pageId="0" pageNumber="1">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Species morphologically rather similar to
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<taxonomicName lsidName="T. declivum" pageId="0" pageNumber="1" rank="species" species="declivum">
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<emphasis italics="true" pageId="0" pageNumber="1">T. declivum</emphasis>
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</taxonomicName>
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and
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<taxonomicName lsidName="T. incavatum" pageId="0" pageNumber="1" rank="species" species="incavatum">
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<emphasis italics="true" pageId="0" pageNumber="1">T. incavatum</emphasis>
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</taxonomicName>
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, but the involucrellum is on average longer.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="type material">
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<paragraph pageId="0" pageNumber="1">Type material.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">
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<emphasis italics="true" pageId="0" pageNumber="1">Holotype</emphasis>
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.
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</emphasis>
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Finland, Koillismaa, Salla, Oulanka National Park,
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<normalizedToken originalValue="Pikkuköngäs">Pikkukoengaes</normalizedToken>
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, shore of river Oulankajoki, high cliff, calciferous (dolomite) schistose rock outcrop, W-facing wall, on dolomite patch, 180 m a.s.l,
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<geoCoordinate degrees="66" direction="north" minutes="25" orientation="latitude" precision="925" value="66.416664">66°25'N</geoCoordinate>
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,
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<geoCoordinate degrees="29" direction="east" minutes="08" orientation="longitude" precision="925" value="29.133333">29°08'E</geoCoordinate>
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, 4 August 2010, J.
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<normalizedToken originalValue="Pykälä">Pykaelae</normalizedToken>
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39179 (H-9206536, GenBank accession number: OP901872).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">Description.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Prothallus not visible. Thallus white to pale brown, endolithic to weakly rimose, algal cells, c. 4-7
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<normalizedToken originalValue="μm">μm</normalizedToken>
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. Perithecia 0.18-0.38 mm in diam., 1/2-1-immersed, often surrounded by thalline collar, leaving shallow to deep pits; c. 20-60 perithecia / cm2. Ostiole pale to dark, plane, c. 20-60
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<normalizedToken originalValue="μm">μm</normalizedToken>
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wide. Involucrellum apical to exceeding half of the exciple, c. 40-80
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick, appressed to the exciple or clearly diverging from it. Exciple 0.18-0.36 mm, wall dark brown to black, rarely pale, c. 20-30
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick. Periphysoids c. 40-60
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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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. Asci c. 90-128
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<normalizedToken originalValue="×">x</normalizedToken>
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31-43
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, 8-spored. Ascospores 3-septate, (34.8-)36.1-40.1-44.1(-51.0)
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<normalizedToken originalValue="×">x</normalizedToken>
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(11.8-)12.8-13.4-14.0(-14.9)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(n = 48), perispore 1-1.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick in few spores.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="habitat">
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<paragraph pageId="0" pageNumber="1">Habitat and distribution.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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The species is known from three localities, two in NE Finland, in the parishes Kuusamo and Salla, and one in Juuka in central eastern Finland.
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<taxonomicName authorityName="Pykaelae & Myllys" authorityYear="2023" class="Eurotiomycetes" family="Verrucariaceae" genus="Thelidium" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Thelidium mendax" order="Verrucariales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="mendax">
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<emphasis italics="true" pageId="0" pageNumber="1">Thelidium mendax</emphasis>
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</taxonomicName>
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grows on calcareous rocks and calciferous (dolomite) schistose rocks. Two collection sites are affected by spring flooding and may periodically be submerged.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="etymology">
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<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="1">The species is easily misidentified.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="notes">
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<paragraph pageId="0" pageNumber="1">Notes.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Based on the ITS phylogeny, this species is closely related to
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<taxonomicName lsidName="T. declivum" pageId="0" pageNumber="1" rank="species" species="declivum">
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<emphasis italics="true" pageId="0" pageNumber="1">T. declivum</emphasis>
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</taxonomicName>
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. It is also morphologically difficult to separate from that species.
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<taxonomicName authorityName="Pykaelae & Myllys" authorityYear="2023" class="Eurotiomycetes" family="Verrucariaceae" genus="Thelidium" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Thelidium mendax" order="Verrucariales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="mendax">
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<emphasis italics="true" pageId="0" pageNumber="1">Thelidium mendax</emphasis>
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</taxonomicName>
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has, on average, longer involucrellum than in
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<taxonomicName lsidName="T. declivum" pageId="0" pageNumber="1" rank="species" species="declivum">
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<emphasis italics="true" pageId="0" pageNumber="1">T. declivum</emphasis>
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</taxonomicName>
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.
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<taxonomicName authorityName="Pykaelae & Myllys" authorityYear="2023" class="Eurotiomycetes" family="Verrucariaceae" genus="Thelidium" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Thelidium mendax" order="Verrucariales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="mendax">
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<emphasis italics="true" pageId="0" pageNumber="1">Thelidium mendax</emphasis>
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</taxonomicName>
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is here kept separated from
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<taxonomicName lsidName="T. declivum" pageId="0" pageNumber="1" rank="species" species="declivum">
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<emphasis italics="true" pageId="0" pageNumber="1">T. declivum</emphasis>
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</taxonomicName>
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because this solution received high support value in the ITS phylogeny (99%). Within the species
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<taxonomicName lsidName="T. declivum" pageId="0" pageNumber="1" rank="species" species="declivum">
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<emphasis italics="true" pageId="0" pageNumber="1">T. declivum</emphasis>
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</taxonomicName>
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and
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<taxonomicName lsidName="T. mendax" pageId="0" pageNumber="1" rank="species" species="mendax">
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<emphasis italics="true" pageId="0" pageNumber="1">T. mendax</emphasis>
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</taxonomicName>
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have identical ITS sequences and the species have a clear barcoding gap (3% difference).
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</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName class="Eurotiomycetes" family="Verrucariaceae" genus="Polyblastia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Polyblastia torrentis" order="Verrucariales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="torrentis">
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<emphasis italics="true" pageId="0" pageNumber="1">Polyblastia torrentis</emphasis>
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</taxonomicName>
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(Sweden. Torne Lappmark:
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<normalizedToken originalValue="Jukkasjärvi">Jukkasjaervi</normalizedToken>
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par., Abisko, Regio subalpina by the torrent, alt. 400 m, 29 July 1921, A.H.Magnusson (UPS!, syntype)) differs in less immersed perithecia (1/4-1/2-immersed) and thinner involucrellum (c. 30-40
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="materials_examined">
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<paragraph pageId="0" pageNumber="1">Other specimens examined.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<materialsCitation collectingDate="2010-08-16" collectingDateMax="2011-07-13" collectingDateMin="2010-08-16" collectorName="J. Pykaelae, Riihilahti S" country="Finland" county="Koillismaa" elevation="200" latitude="63.15" location="Juuma" longLatPrecision="1015" longitude="28.966667" municipality="Kuusamo" specimenCount="1" stateProvince="Pohjois-Karjala">
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<collectingCountry name="Finland">Finland</collectingCountry>
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,
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<collectingCounty>Koillismaa</collectingCounty>
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,
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<collectingMunicipality>Kuusamo</collectingMunicipality>
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,
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<location LSID="urn:lsid:plazi:treatment:0449FAF0386F5C6EA73D8586B299C1DB:5F23928CF2D5A37BD782AD52F6BBDF67" country="Finland" county="Koillismaa" latitude="63.15" longLatPrecision="1015" longitude="28.966667" municipality="Kuusamo" name="Juuma" stateProvince="Pohjois-Karjala">Juuma</location>
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,
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<location LSID="urn:lsid:plazi:treatment:0449FAF0386F5C6EA73D8586B299C1DB:D97DC0898B4E205D6F68B7A5EBE76554" country="Finland" county="Koillismaa" latitude="63.15" longLatPrecision="1015" longitude="28.966667" municipality="Kuusamo" name="Oulanka National Park" stateProvince="Pohjois-Karjala">Oulanka National Park</location>
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,
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<normalizedToken originalValue="Jäkälävuoma">
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<location LSID="urn:lsid:plazi:treatment:0449FAF0386F5C6EA73D8586B299C1DB:7CCF5C7C4F7BD8328C6AE1014B4C9476" country="Finland" county="Koillismaa" latitude="63.15" longLatPrecision="1015" longitude="28.966667" municipality="Kuusamo" name="Jaekaelaevuoma" stateProvince="Pohjois-Karjala">Jaekaelaevuoma</location>
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</normalizedToken>
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, gorge, calciferous (dolomite) schistose rock outcrop, on bottom, shore of a pond, on dolomite coated stone,
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<elevation metricMagnitude="2" metricUnit="m" metricValue="2.0" unit="m" value="200.0">
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<quantity metricMagnitude="2" metricUnit="m" metricValue="2.0" unit="m" value="200.0">200 m</quantity>
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a.s.l.
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</elevation>
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,
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<geoCoordinate degrees="66" direction="north" minutes="15" orientation="latitude" precision="925" value="66.25">66°15'N</geoCoordinate>
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,
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<geoCoordinate degrees="29" direction="east" minutes="26" orientation="longitude" precision="925" value="29.433332">29°26'E</geoCoordinate>
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,
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<collectingDate value="2010-08-16">16 August 2010</collectingDate>
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,
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<collectorName>
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J.
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<normalizedToken originalValue="Pykälä">Pykaelae</normalizedToken>
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</collectorName>
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40152 (H);
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<collectingRegion country="Finland" name="Pohjois-Karjala">Pohjois-Karjala</collectingRegion>
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, Juuka, Petrovaara,
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<collectorName>Riihilahti S</collectorName>
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, calcareous rock outcrop, on W-facing wall,
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<quantity metricMagnitude="2" metricUnit="m" metricValue="1.9" unit="m" value="190.0">
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<elevation metricMagnitude="2" metricUnit="m" metricValue="1.9" unit="m" value="190.0">190 m</elevation>
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</quantity>
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a.s.l,
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<geoCoordinate degrees="63" direction="north" minutes="09" orientation="latitude" precision="925" value="63.15">63°09'N</geoCoordinate>
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,
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<geoCoordinate degrees="28" direction="east" minutes="58" orientation="longitude" precision="925" value="28.966667">28°58'E</geoCoordinate>
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,
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<collectingDate value="2011-07-13">13 July 2011</collectingDate>
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,
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<collectorName>
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J.
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<normalizedToken originalValue="Pykälä">Pykaelae</normalizedToken>
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</collectorName>
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42502 (H), 42503 (H)
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |