234 lines
18 KiB
XML
234 lines
18 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.79.63363" ID-GBIF-Dataset="cec973b7-30eb-4570-afc1-159895cffa7c" ID-PMC="PMC8076164" ID-Pensoft-Pub="1314-4049-79-17" ID-Pensoft-UUID="CEDC3742C169540583072E7995018533" ID-PubMed="33958950" ModsDocID="1314-4049-79-17" checkinTime="1618878569608" checkinUser="pensoft" docAuthor="Eberhardt, Ursula, Beker, Henry J., Borgen, Torbjorn, Knudsen, Henning, Schuetz, Nicole & Elborne, Steen A." docDate="2021" docId="793409B2235C5E1A9E4F1FC7FF32FB3E" docLanguage="en" docName="MycoKeys 79: 17-118" docOrigin="MycoKeys 79" docPubDate="2021-04-19" docSource="http://dx.doi.org/10.3897/mycokeys.79.63363" docTitle="Hebeloma islandicum Beker & U. Eberh.; Beker, Eberhardt & Vesterholt, Fungi Europ. (Alassio) 14: 414 2016" docType="treatment" docVersion="4" id="CEDC3742C169540583072E7995018533" lastPageNumber="17" masterDocId="CEDC3742C169540583072E7995018533" masterDocTitle="A survey of Hebeloma (Hymenogastraceae) in Greenland" masterLastPageNumber="118" masterPageNumber="17" pageNumber="17" updateTime="1668136641203" 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>A survey of Hebeloma (Hymenogastraceae) in Greenland</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>Eberhardt, Ursula</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-1221-7074</mods:nameIdentifier>
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<mods:affiliation>Staatliches Museum fuer Naturkunde Stuttgart, Rosenstein 1, D- 70191 Stuttgart, Germany</mods:affiliation>
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<mods:nameIdentifier type="email">ursula.eberhardt@smns-bw.de</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>Beker, Henry J.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-9620-1701</mods:nameIdentifier>
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<mods:affiliation>Rue Pere de Deken 19, B- 1040 Bruxelles, Belgium & Royal Holloway College, University of London, Egham, UK & Plantentuin Meise, Nieuwelaan 38, B- 1860 Meise, Belgium</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>Borgen, Torbjorn</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-1174-9466</mods:nameIdentifier>
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<mods:affiliation>Sensommervej 142, 8600 Silkeborg, Denmark</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>Knudsen, Henning</mods:namePart>
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<mods:affiliation>Hauchsvej 15, 1825 Frederiksberg, Denmark</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>Schuetz, Nicole</mods:namePart>
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<mods:affiliation>Staatliches Museum fuer Naturkunde Stuttgart, Rosenstein 1, D- 70191 Stuttgart, Germany</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>Elborne, Steen A.</mods:namePart>
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<mods:affiliation>Frederik VII's Vej 29, 3450 Allerod, Denmark</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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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>2021</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2021-04-19</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>79</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>17</mods:start>
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<mods:end>118</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.79.63363</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.79.63363</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-79-17</mods:identifier>
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<mods:identifier type="Pensoft-UUID">CEDC3742C169540583072E7995018533</mods:identifier>
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</mods:mods>
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<subSection pageId="0" pageNumber="17" type="multiple">
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<treatment ID-GBIF-Taxon="181518927" LSID="urn:lsid:plazi:treatment:793409B2235C5E1A9E4F1FC7FF32FB3E" httpUri="http://treatment.plazi.org/id/793409B2235C5E1A9E4F1FC7FF32FB3E" lastPageNumber="17" pageId="0" pageNumber="17">
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<subSubSection pageId="0" pageNumber="17" type="nomenclature">
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<paragraph pageId="0" pageNumber="17">
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<taxonomicName LSID="793409B2-235C-5E1A-9E4F-1FC7FF32FB3E" authority="Beker & U. Eberh.; Beker, Eberhardt & Vesterholt, Fungi Europ. (Alassio) 14: 414, 2016." authorityName="Beker & U. Eberh.; Beker, Eberhardt & Vesterholt, Fungi Europ. (Alassio) 14: 414" authorityYear="2016" class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma islandicum" order="Agaricales" pageId="0" pageNumber="17" phylum="Ascomycota" rank="species" species="islandicum">Hebeloma islandicum Beker & U. Eberh.; Beker, Eberhardt & Vesterholt, Fungi Europ. (Alassio) 14: 414, 2016.</taxonomicName>
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<figureCitation captionStart="Figure 35" captionStartId="F35" captionText="Figure 35. Hebeloma islandicum A TB 19.81, photograph T. Borgen B distribution of cited collections; C spores x 1600 and D cheilocystidia x 1000 of TB 86.291 in Melzer's reagent. Scale bars: 5 µm; microphotographs H. K. J. Beker." figureDoi="10.3897/mycokeys.79.63363.figure35" httpUri="https://binary.pensoft.net/fig/533426" pageId="0" pageNumber="17">Fig. 35</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="17" type="description">
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<paragraph pageId="0" pageNumber="17">Macroscopic description.</paragraph>
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<paragraph pageId="0" pageNumber="17">
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Cap 2.0-4.0 cm in diameter, convex to umbonate, margin involute when young, smooth, tacky when moist, not hygrophanous, uniformly colored or bicolored, at center dark olive buff to yellowish brown, at margin cream, innately fibrillose, sometimes with remnants of universal veil. Lamellae initially pale clay, in age often brownish, emarginate, maximum depth 5 mm, number of lamellae {L} 40-50, droplets visible with naked eye, with white fimbriate edge. Stem 1.7-2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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0.4-0.6 {median}
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<normalizedToken originalValue="×">x</normalizedToken>
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0.5-0.7 {base} cm, stem Q 3.4-5.5, whitish pale, finely flocculose-tomentose in the entire length with clavate base. Context firm, stem interior stuffed, later hollow, flesh usually discoloring from base. Smell raphanoid. Taste mild or slightly bitter. Spore deposit not recorded.
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</paragraph>
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<caption doi="10.3897/mycokeys.79.63363.figure35" httpUri="https://binary.pensoft.net/fig/533426" pageId="0" pageNumber="17" start="Figure 35" startId="F35">
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<paragraph pageId="0" pageNumber="17">
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<emphasis bold="true" pageId="0" pageNumber="17">Figure 35.</emphasis>
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<taxonomicName authorityName="Beker & U. Eberh.; Beker, Eberhardt & Vesterholt, Fungi Europ. (Alassio) 14: 414" authorityYear="2016" class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma islandicum" order="Ostropales" pageId="0" pageNumber="17" phylum="Ascomycota" rank="species" species="islandicum">
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<emphasis italics="true" pageId="0" pageNumber="17">Hebeloma islandicum</emphasis>
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</taxonomicName>
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<emphasis bold="true" pageId="0" pageNumber="17">A</emphasis>
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TB19.81, photograph T. Borgen
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<emphasis bold="true" pageId="0" pageNumber="17">B</emphasis>
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distribution of cited collections;
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<emphasis bold="true" pageId="0" pageNumber="17">C</emphasis>
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spores
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<normalizedToken originalValue="×">x</normalizedToken>
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1600 and
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<emphasis bold="true" pageId="0" pageNumber="17">D</emphasis>
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cheilocystidia
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<normalizedToken originalValue="×">x</normalizedToken>
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1000 of TB86.291 in
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<normalizedToken originalValue="Melzer’s">Melzer's</normalizedToken>
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reagent. Scale bars: 5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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; microphotographs H.K.J. Beker.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="17" type="description">
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<paragraph pageId="0" pageNumber="17">Microscopic description.</paragraph>
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<paragraph pageId="0" pageNumber="17">
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Spores amygdaloid, often limoniform, papillate, on ave. 11.0-12.5
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<normalizedToken originalValue="×">x</normalizedToken>
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6.5-7.0
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, ave. Q = 1.7-1.8, yellow to yellow brown, guttulate, at most weakly ornamented ((O1) O2), perispore not or somewhat loosening (P0P1), weakly to rather strongly dextrinoid (D2D3). Basidia 28-40
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<normalizedToken originalValue="×">x</normalizedToken>
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6-9
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, ave. Q = 3.7-4.9, mostly four-spored. Cheilocystidia irregular, a mixture of clavate-stipitate, clavate-lageniform, ventricose and slenderly clavate, with occasional characters, geniculate, septate (sometimes clamped) or rostrate, on ave. 44-55
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<normalizedToken originalValue="×">x</normalizedToken>
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6.5-8.5 (apex)
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<normalizedToken originalValue="×">x</normalizedToken>
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4-5 (middle)
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<normalizedToken originalValue="×">x</normalizedToken>
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4-8 (base)
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, ratios A/M = 1.63-1.98, A/B = 1.04-1.85, B/M = 1.05-1.73. Epicutis an ixocutis, up to 120
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<normalizedToken originalValue="µm">µm</normalizedToken>
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thick (measured from exsiccata), maximum hyphae width 6
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, some encrusted, trama elements beneath subcutis ellipsoid, cylindrical, thick sausage-shaped up to 20
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<normalizedToken originalValue="µm">µm</normalizedToken>
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wide. Caulocystidia irregular like cheilocystidia up to 140
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<normalizedToken originalValue="µm">µm</normalizedToken>
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long.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="17" type="collections examined">
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<paragraph pageId="0" pageNumber="17">Collections examined.</paragraph>
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<paragraph pageId="0" pageNumber="17">
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<emphasis bold="true" pageId="0" pageNumber="17">S-Greenland</emphasis>
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: Paamiut, N of town,
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<geoCoordinate degrees="62.01" direction="north" orientation="latitude" precision="555" value="62.01">62.01°N</geoCoordinate>
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,
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<geoCoordinate degrees="49.4" direction="west" orientation="longitude" precision="5555" value="-49.4">49.4°W</geoCoordinate>
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, 5 Sep 1986, T. Borgen (TB86.291, C-F-103573), 10 m, with
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<taxonomicName class="Dicotyledoneae" family="Salicaceae" genus="Salix" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Salix herbacea" order="Salicales" pageId="0" pageNumber="17" phylum="Angiospermae" rank="species" species="herbacea">
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<emphasis italics="true" pageId="0" pageNumber="17">Salix herbacea</emphasis>
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</taxonomicName>
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in snowbed.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="17" type="distribution">
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<paragraph pageId="0" pageNumber="17">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="17">
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Only one record, from southern Greenland. Until recently only known from the type from the north-western, arctic part of Iceland. As discussed above, two more collections have been discovered from herbarium exsiccata at O; both, collected in Norway at above 60°N at altitudes of more than 1000 m (
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<bibRefCitation author="Eberhardt, U" journalOrPublisher="Plant Ecology and Evolution" pageId="0" pageNumber="17" refId="B15" refString="Eberhardt, U, Weholt, O, Pettersen, M, Schuetz, N, Beker, HJ, in press. Hebeloma of Norway. Agarica." title="Hebeloma of Norway. Agarica." year="in press">Eberhardt et al. in press</bibRefCitation>
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). The above record from Greenland is from an arctic area and extends the distribution to North America. It is seemingly a very rare species. Although T.B. investigated the area around Paamiut regularly for 20 years, he only collected it once.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="17" type="habitat">
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<paragraph pageId="0" pageNumber="17">Habitat and ecology.</paragraph>
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<paragraph pageId="0" pageNumber="17">
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All four known collections appear to have been associated with
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<taxonomicName class="Dicotyledoneae" family="Salicaceae" genus="Salix" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Salix herbacea" order="Salicales" pageId="0" pageNumber="17" phylum="Angiospermae" rank="species" species="herbacea">
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<emphasis italics="true" pageId="0" pageNumber="17">Salix herbacea</emphasis>
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</taxonomicName>
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in a wet snowbed.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="17" type="notes">
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<paragraph pageId="0" pageNumber="17">Notes.</paragraph>
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<paragraph pageId="0" pageNumber="17">
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<taxonomicName authorityName="Beker & U. Eberh.; Beker, Eberhardt & Vesterholt, Fungi Europ. (Alassio) 14: 414" authorityYear="2016" class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma islandicum" order="Ostropales" pageId="0" pageNumber="17" phylum="Ascomycota" rank="species" species="islandicum">
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<emphasis italics="true" pageId="0" pageNumber="17">Hebeloma islandicum</emphasis>
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</taxonomicName>
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was the only species recorded during the course of this study, which was not belonging to
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<taxonomicName class="Dicotyledoneae" family="Salicaceae" genus="H." higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="H." order="Salicales" pageId="0" pageNumber="17" phylum="Angiospermae" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="17">H.</emphasis>
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</taxonomicName>
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sects
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<taxonomicName class="Magnoliopsida" family="Cactaceae" genus="Denudata" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Denudata" order="Caryophyllales" pageId="0" pageNumber="17" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="17">Denudata</emphasis>
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</taxonomicName>
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,
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<taxonomicName class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma" order="Ostropales" pageId="0" pageNumber="17" phylum="Ascomycota" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="17">Hebeloma</emphasis>
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</taxonomicName>
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or
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<taxonomicName authorityName="Bruchet; Bull. Mens. Soc. Linn. Lyon 39 (6 (Suppl.)): 127" authorityYear="1970" class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="" order="Ostropales" pageId="0" pageNumber="17" phylum="Ascomycota" rank="section" section="Velutipes">
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<emphasis italics="true" pageId="0" pageNumber="17">Velutipes</emphasis>
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</taxonomicName>
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. This species was described in
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<bibRefCitation author="Beker, HJ" journalOrPublisher="Fungi Europaei Edizioni Tecnografica, Lomazzo" pageId="0" pageNumber="17" refId="B4" refString="Beker, HJ, Eberhardt, U, Vesterholt, J, 2016. Hebeloma (Fr.) P. Kumm. Fungi Europaei Edizioni Tecnografica, Lomazzo" title="Hebeloma (Fr.) P. Kumm." year="2016">Beker et al. (2016)</bibRefCitation>
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on the basis of a single, but distinctive, collection from Iceland. The authors placed it within
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<taxonomicName class="Dicotyledoneae" family="Salicaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="H. subsp. sect." order="Salicales" pageId="0" pageNumber="17" phylum="Angiospermae" rank="section" section="Naviculospora">H. sect. Naviculospora</taxonomicName>
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. However, the authors acknowledged that it did not sit comfortably within any of their accepted sections. Within this section, this is the only species known to associate with
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<taxonomicName class="Dicotyledoneae" family="Salicaceae" genus="Salix" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Salix" order="Salicales" pageId="0" pageNumber="17" phylum="Angiospermae" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="17">Salix</emphasis>
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</taxonomicName>
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. Since its publication, two further collections have been discovered in Norway (
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<bibRefCitation author="Eberhardt, U" journalOrPublisher="Plant Ecology and Evolution" pageId="0" pageNumber="17" refId="B15" refString="Eberhardt, U, Weholt, O, Pettersen, M, Schuetz, N, Beker, HJ, in press. Hebeloma of Norway. Agarica." title="Hebeloma of Norway. Agarica." year="in press">Eberhardt et al. in press</bibRefCitation>
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).
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</paragraph>
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<paragraph pageId="0" pageNumber="17">
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Molecularly, this species is unambiguous. The ITS of the collection presented here is almost identical with the ITS of the type (693/694 pos. identical, all positions are matching (one G/T in the type sequence matched by a clean G). Most similar, but always less than 98% similar, are
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<taxonomicName class="Dicotyledoneae" family="Salicaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="H. naviculosporum" order="Salicales" pageId="0" pageNumber="17" phylum="Angiospermae" rank="species" species="naviculosporum">
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<emphasis italics="true" pageId="0" pageNumber="17">H. naviculosporum</emphasis>
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</taxonomicName>
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and
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<taxonomicName class="Dicotyledoneae" family="Salicaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="H. nanum" order="Salicales" pageId="0" pageNumber="17" phylum="Angiospermae" rank="species" species="nanum">
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<emphasis italics="true" pageId="0" pageNumber="17">H. nanum</emphasis>
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</taxonomicName>
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(both
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<taxonomicName class="Dicotyledoneae" family="Salicaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="H. subsp. sect." order="Salicales" pageId="0" pageNumber="17" phylum="Angiospermae" rank="section" section="Naviculospora">H. sect. Naviculospora</taxonomicName>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</subSection>
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</document> |