224 lines
15 KiB
XML
224 lines
15 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="5A9F617F42DD53079A7E6AB986EAD76A" 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 pseudoauruntii 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:5A9F617F42DD53079A7E6AB986EAD76A" httpUri="http://treatment.plazi.org/id/5A9F617F42DD53079A7E6AB986EAD76A" 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="5A9F617F-42DD-5307-9A7E-6AB986EAD76A" authority="Pykälä & Myllys" authorityName="Pykaelae & Myllys" authorityYear="2023" class="Eurotiomycetes" family="Verrucariaceae" genus="Thelidium" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Thelidium pseudoauruntii" order="Verrucariales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="pseudoauruntii" status="sp. nov.">
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Thelidium pseudoauruntii
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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 2D</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">, 3D, E</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. auruntii" pageId="0" pageNumber="1" rank="species" species="auruntii">
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<emphasis italics="true" pageId="0" pageNumber="1">T. auruntii</emphasis>
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</taxonomicName>
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, but the spores are smaller and the perithecia tend to be less immersed.
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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, Kollismaa, Kuusamo, Oulanka National Park, Mataraniemi W, shore of Oulankajoki river, small dolomite rock outcrop, on SE-slope, 147 m a.s.l,
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<geoCoordinate degrees="66" direction="north" minutes="22" orientation="latitude" precision="925" value="66.36667">66°22'N</geoCoordinate>
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,
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<geoCoordinate degrees="29" direction="east" minutes="20" orientation="longitude" precision="925" value="29.333334">29°20'E</geoCoordinate>
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, 28 August 2011, J.
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<normalizedToken originalValue="Pykälä">Pykaelae</normalizedToken>
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45374 (H9220350, GenBank accession number: OP901877).
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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 pale greyish brown to medium brown, endolithic to rimose, algal cells c. 5-7
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, with one dark brown thalline line. Perithecia 0.18-0.36 mm in diam., 1/4-1/2-immersed, not leaving pits to leaving shallow pits; c. 50-140 perithecia / cm2. Ostiole dark, depressed, c. 20-50
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<normalizedToken originalValue="μm">μm</normalizedToken>
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wide. Involucrellum covering half of the exciple, c. 40-70
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick, appressed to clearly diverging from the exciple. Exciple c. 0.17-0.24 mm, wall pale brown to usually dark brown, c. 15-20
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick. Periphysoids c. 20-25
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<normalizedToken originalValue="×">x</normalizedToken>
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2
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<normalizedToken originalValue="μm">μm</normalizedToken>
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. Asci c. 64-83
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<normalizedToken originalValue="×">x</normalizedToken>
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22-32
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, 8-spored. Ascospores 0-1-septate, (21.3-)23.9-25.1-26.2(-26.6)
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<normalizedToken originalValue="×">x</normalizedToken>
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(8.6-)9.2-10.1-11.0(-12.2)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(n = 23), perispore 1
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick present in some 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">The species is only known from the type locality on small dolomite rock outcrop on the rivershore. The locality is likely to be under water during spring floods. Potentially suitable habitats for the species may be very rare in Finland.</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">
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The species resembles morphologically
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<taxonomicName lsidName="T. auruntii" pageId="0" pageNumber="1" rank="species" species="auruntii">
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<emphasis italics="true" pageId="0" pageNumber="1">T. auruntii</emphasis>
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</taxonomicName>
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and is also closely related to the species based on the ITS sequences.
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</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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The species is closely related to
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<taxonomicName lsidName="T. auruntii" pageId="0" pageNumber="1" rank="species" species="auruntii">
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<emphasis italics="true" pageId="0" pageNumber="1">T. auruntii</emphasis>
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</taxonomicName>
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and
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<taxonomicName lsidName="T. sallaense" pageId="0" pageNumber="1" rank="species" species="sallaense">
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<emphasis italics="true" pageId="0" pageNumber="1">T. sallaense</emphasis>
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</taxonomicName>
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. Only two specimens are known and from the same locality. We prefer to treat
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<taxonomicName lsidName="T. pseudoauruntii" pageId="0" pageNumber="1" rank="species" species="pseudoauruntii">
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<emphasis italics="true" pageId="0" pageNumber="1">T. pseudoauruntii</emphasis>
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</taxonomicName>
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as a species separate from
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<taxonomicName lsidName="T. auruntii" pageId="0" pageNumber="1" rank="species" species="auruntii">
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<emphasis italics="true" pageId="0" pageNumber="1">T. auruntii</emphasis>
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</taxonomicName>
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because of high support value (100%) in the ITS phylogeny. Furthermore, there is a clear barcoding gap (3%) between the species. The species have also different distribution areas.
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<taxonomicName authorityName="Pykaelae & Myllys" authorityYear="2023" class="Eurotiomycetes" family="Verrucariaceae" genus="Thelidium" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Thelidium pseudoauruntii" order="Verrucariales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="pseudoauruntii">
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<emphasis italics="true" pageId="0" pageNumber="1">Thelidium pseudoauruntii</emphasis>
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</taxonomicName>
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seems to be absent from the calcareous fells of NW Finland, i.e., from the main distribution area of
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<taxonomicName lsidName="T. auruntii" pageId="0" pageNumber="1" rank="species" species="auruntii">
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<emphasis italics="true" pageId="0" pageNumber="1">T. auruntii</emphasis>
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</taxonomicName>
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in Finland.
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<taxonomicName authorityName="Pykaelae & Myllys" authorityYear="2023" class="Eurotiomycetes" family="Verrucariaceae" genus="Thelidium" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Thelidium pseudoauruntii" order="Verrucariales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="pseudoauruntii">
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<emphasis italics="true" pageId="0" pageNumber="1">Thelidium pseudoauruntii</emphasis>
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</taxonomicName>
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may be an eastern species with the main distribution area in North America and/or Russia. The specimens of
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<taxonomicName lsidName="T. pseudoauruntii" pageId="0" pageNumber="1" rank="species" species="pseudoauruntii">
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<emphasis italics="true" pageId="0" pageNumber="1">T. pseudoauruntii</emphasis>
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</taxonomicName>
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have smaller spores than in
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<taxonomicName lsidName="T. auruntii" pageId="0" pageNumber="1" rank="species" species="auruntii">
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<emphasis italics="true" pageId="0" pageNumber="1">T. auruntii</emphasis>
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</taxonomicName>
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and
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<taxonomicName lsidName="T. sallaense" pageId="0" pageNumber="1" rank="species" species="sallaense">
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<emphasis italics="true" pageId="0" pageNumber="1">T. sallaense</emphasis>
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</taxonomicName>
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. Furthermore, the perithecia are less immersed. However, more material is needed to determine whether the species differs unambiguously morphologically from the related species.
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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="2011-08-28" collectorName="Mataraniemi W, J. Pykaelae" country="Finland" county="Oulankajoki river" elevation="145" latitude="66.36667" location="Koillismaa" longLatPrecision="997" longitude="29.333334" municipality="Oulanka National Park" specimenCount="1">
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<collectingCountry name="Finland">Finland</collectingCountry>
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,
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<location LSID="urn:lsid:plazi:treatment:5A9F617F42DD53079A7E6AB986EAD76A:0DD6C0DF8D549F458930A4A08DED323D" country="Finland" county="Oulankajoki river" latitude="66.36667" longLatPrecision="997" longitude="29.333334" municipality="Oulanka National Park" name="Koillismaa">Koillismaa</location>
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,
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<location LSID="urn:lsid:plazi:treatment:5A9F617F42DD53079A7E6AB986EAD76A:671EB166BBA3621C9F68CA26DA39EB9B" country="Finland" county="Oulankajoki river" latitude="66.36667" longLatPrecision="997" longitude="29.333334" municipality="Oulanka National Park" name="Kuusamo">Kuusamo</location>
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,
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<collectingMunicipality>Oulanka National Park</collectingMunicipality>
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,
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<collectorName>Mataraniemi W</collectorName>
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, shore of
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<collectingCounty>Oulankajoki river</collectingCounty>
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, small dolomite rock outcrop, on dolomite stones,
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<elevation metricMagnitude="2" metricUnit="m" metricValue="1.45" unit="m" value="145.0">
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<quantity metricMagnitude="2" metricUnit="m" metricValue="1.45" unit="m" value="145.0">145 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="22" orientation="latitude" precision="925" value="66.36667">66°22'N</geoCoordinate>
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,
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<geoCoordinate degrees="29" direction="east" minutes="20" orientation="longitude" precision="925" value="29.333334">29°20'E</geoCoordinate>
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,
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<collectingDate value="2011-08-28">28 August 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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45371 (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> |