206 lines
18 KiB
XML
206 lines
18 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.42.27369" ID-GBIF-Dataset="c134b61d-fafe-41bc-81d8-f86fba9de099" ID-PMC="PMC6286385" ID-Pensoft-Pub="1314-4049-42-35" ID-PubMed="30564052" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1314-4049-42-35" ModsDocOrigin="MycoKeys 42" ModsDocTitle="Six new species and reports of Hydnum (Cantharellales) from eastern North America" checkinTime="1555333462136" checkinUser="pensoft" docAuthor="Swenie, Rachel A., Baroni, Timothy J. & Matheny, P. Brandon" docDate="2018" docId="4EF1852A0CA1260EEF0CC46D9E37A322" docLanguage="en" docName="MycoKeys 42: 35-72" docOrigin="MycoKeys 42" docSource="http://dx.doi.org/10.3897/mycokeys.42.27369" docTitle="Hydnum alboaurantiacum Swenie & Matheny, sp. nov." docType="treatment" docVersion="4" lastPageNumber="35" masterDocId="FE5CFFB8FFB1FFBD2D0BFFD8017CFF7A" masterDocTitle="Six new species and reports of Hydnum (Cantharellales) from eastern North America" masterLastPageNumber="72" masterPageNumber="35" pageNumber="35" updateTime="1668136097666" 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>Six new species and reports of Hydnum (Cantharellales) from eastern North America</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>Swenie, Rachel A.</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>Baroni, Timothy J.</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>Matheny, P. Brandon</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>2018</mods:date>
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<mods:detail type="volume">
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<mods:number>42</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>35</mods:start>
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<mods:end>72</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.42.27369</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.42.27369</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-42-35</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="156202186" LSID="urn:lsid:plazi:treatment:4EF1852A0CA1260EEF0CC46D9E37A322" httpUri="http://treatment.plazi.org/id/4EF1852A0CA1260EEF0CC46D9E37A322" lastPageNumber="35" pageId="0" pageNumber="35">
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<subSubSection pageId="0" pageNumber="35" type="nomenclature">
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<paragraph pageId="0" pageNumber="35">
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<taxonomicName authority="Swenie & Matheny" class="Agaricomycetes" family="Hydnaceae" genus="Hydnum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hydnum alboaurantiacum" order="Cantharellales" pageId="0" pageNumber="35" phylum="Basidiomycota" rank="species" species="alboaurantiacum">Hydnum alboaurantiacum Swenie & Matheny</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="35">sp. nov.</taxonomicNameLabel>
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Figs 3C, D, 6B
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="diagnosis">
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<paragraph pageId="0" pageNumber="35">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="35">
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Most similar to
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<taxonomicName class="Agaricomycetes" family="Cantharellaceae" genus="Hydnum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hydnum albidum" order="Cantharellales" pageId="0" pageNumber="35" phylum="Basidiomycota" rank="species" species="albidum">Hydnum albidum</taxonomicName>
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but differs from it by the slightly stouter basidiomes that stain bright orange within minutes of handling. Differs from
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<taxonomicName lsidName="H. subtilior" pageId="0" pageNumber="35" rank="species" species="subtilior">H. subtilior</taxonomicName>
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and
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<taxonomicName lsidName="H. vesterholtii" pageId="0" pageNumber="35" rank="species" species="vesterholtii">H. vesterholtii</taxonomicName>
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by smaller basidiospores.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="materials_examined">
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<paragraph pageId="0" pageNumber="35">Type.</paragraph>
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<paragraph pageId="0" pageNumber="35">
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UNITED STATES. North Carolina: Great Smoky Mountains National Park, Smokemont, Bradley Fork Trail (35.5634; -83.3092), scattered under
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Betula</taxonomicName>
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,
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Fagus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Fagus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Fagus</taxonomicName>
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, with
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<taxonomicName class="Pinopsida" family="Pinaceae" genus="Tsuga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tsuga" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Tsuga</taxonomicName>
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nearby, 28 Jul 2017, R.A. Swenie RAS186 (holotype: TENN 073053).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="etymology">
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<paragraph pageId="0" pageNumber="35">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="35">
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<taxonomicName lsidName="alboaurantiacum" pageId="0" pageNumber="35" rank="species" species="alboaurantiacum">alboaurantiacum</taxonomicName>
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(L.) white-orange, referring to the coloration of the basidiomes, which stain bright orange.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="description">
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<paragraph pageId="0" pageNumber="35">Description.</paragraph>
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<paragraph pageId="0" pageNumber="35">
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Pileus 20-70 mm wide, irregularly round, convex, becoming shallowly convex to depressed, occasionally umbilicate; margin thin, wavy to lobed, incurved becoming decurved; surface matt, glabrous, pale to cream white ("Pale Ochraceous Buff"), quickly bruising orange ("Zinc Orange" or "Xanthine Orange", 6A6-8). Spines 1-7 mm long, brittle in mass and breaking easily, adnate to subdecurrent, white to cream-orange ("Pale Ochraceous Buff" to "Light Ochraceous Buff", 4A2-5A3). Stipe 17-50
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<normalizedToken originalValue="×">x</normalizedToken>
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6-21 mm, central or eccentric, terete or clavate, concolorous with the pileus, easily bruising orange (5A2). Context thin, firm, cream white, staining orange ("Xanthine Orange" to "Mars Yellow", 6A8 to 5B6-B7), especially in young specimens at base of stipe within five minutes when cut in half. Odor mild or sweet and fruity. Taste mild.
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</paragraph>
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<paragraph pageId="0" pageNumber="35">
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Basidiospores 4
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<normalizedToken originalValue="–4.8–">-4.8-</normalizedToken>
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6(7)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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<normalizedToken originalValue="×">x</normalizedToken>
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3
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<normalizedToken originalValue="–3.9–">-3.9-</normalizedToken>
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5(6)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, Q=1.00
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<normalizedToken originalValue="–1.25–">-1.25-</normalizedToken>
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1.52(1.54) (n=44/6), globose to ellipsoid, smooth, hyaline in KOH. Basidia 36-42
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<normalizedToken originalValue="×">x</normalizedToken>
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4.5-7
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<normalizedToken originalValue="μm">μm</normalizedToken>
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with 5-7 sterigmata. Pileipellis an interwoven cutis, hyphae smooth, cylindrical, thin-walled, mostly 3-5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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wide. Clamp connections present.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="distribution">
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<paragraph pageId="0" pageNumber="35">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="35">Southeastern U.S. - North Carolina (type), Tennessee, and West Virginia (GenBank KU612600).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="ecology">
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<paragraph pageId="0" pageNumber="35">Ecology.</paragraph>
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<paragraph pageId="0" pageNumber="35">
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In mixed woods with
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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,
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<taxonomicName class="Pinopsida" family="Pinaceae" genus="Tsuga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tsuga" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Tsuga</taxonomicName>
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,
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<taxonomicName class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Pinus</taxonomicName>
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,
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Betula</taxonomicName>
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,
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<taxonomicName class="Magnoliopsida" family="Magnoliaceae" genus="Liriodendron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Liriodendron" order="Magnoliales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Liriodendron</taxonomicName>
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,
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Fagus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Fagus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Fagus</taxonomicName>
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. May to August.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="materials_examined">
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<paragraph pageId="0" pageNumber="35">Other specimens examined.</paragraph>
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<paragraph pageId="0" pageNumber="35">
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UNITED STATES. North Carolina: Great Smoky Mountains National Park, Deep Creek, Indian Creek, on soil in mixed woods, 610 m, 9 Jul 1974, J.H. Restivo JHR1459 (TENN 040599). Great Smoky Mountains National Park, Smokemont, Bradley Fork Trail, scattered under
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Betula</taxonomicName>
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,
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Fagus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Fagus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Fagus</taxonomicName>
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,
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<taxonomicName class="Pinopsida" family="Pinaceae" genus="Tsuga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tsuga" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Tsuga</taxonomicName>
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, 700 m, 28 Jul 2017, R.A. Swenie RAS186 (TENN 073053). Great Smoky Mountains National Park, Heintooga Round Bottom Road, scattered on embankment with
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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,
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Betula</taxonomicName>
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,
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<taxonomicName class="Pinopsida" family="Pinaceae" genus="Tsuga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tsuga" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Tsuga</taxonomicName>
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, 1525 m, 17 Aug 2017, R.A. Swenie RAS208 (TENN 071751). Macon County, vicinity of Highlands, Glen Falls Trail, 1100 m, 14 Jul 2000, E.B. Lickey TFB9833 (TENN 058812). Transylvania County, Pisgah National Forest, Yellow Gap Road, 310 m, 18 Jul 2000, R.H. Petersen TFB9764 (TENN 058665). Duke Forest, scattered in mixed duff with
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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,
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<taxonomicName class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Pinus</taxonomicName>
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, 150 m, 25 May 2016, B.P. Looney BPL876 (TENN 073003). Blue Ridge Parkway, near mile marker 342, side of road on embankment, deciduous woodlot, 1225 m, 19 Aug 2016, J. Schieb RAS104 (TENN 073014). Buncombe County, Bent Creek Experimental Forest, near Boyd Branch Road, mossy acidic forest with
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus alba" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="alba">Quercus alba</taxonomicName>
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,
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<taxonomicName lsidName="Q. rubra" pageId="0" pageNumber="35" rank="species" species="rubra">Q. rubra</taxonomicName>
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,
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<taxonomicName class="Magnoliopsida" family="Magnoliaceae" genus="Liriodendron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Liriodendron tulipifera" order="Magnoliales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="tulipifera">Liriodendron tulipifera</taxonomicName>
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,
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula lenta" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="lenta">Betula lenta</taxonomicName>
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,
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<taxonomicName class="Pinopsida" family="Pinaceae" genus="Tsuga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tsuga canadensis" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="canadensis">Tsuga canadensis</taxonomicName>
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, 670 m, 22 Aug 2016, M. Hopping MH16004 (TENN 073548). Tennessee: Great Smoky Mountains National Park, Cades Cove, Gregory Ridge Trail, 550 m, 18 Aug 2005, E.B. Lickey TFB12761 (TENN 061328). Great Smoky Mountains National Park, Maddron Bald Trail, on mossy soil with
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<taxonomicName class="Pinopsida" family="Pinaceae" genus="Tsuga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tsuga" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Tsuga</taxonomicName>
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,
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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,
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Fagus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Fagus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Fagus</taxonomicName>
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,
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<taxonomicName class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Pinus</taxonomicName>
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, 550 m, 4 Aug 2012, S.A. Trudell SAT1221712 (TENN 067355). Sevier County, University of Tennessee Biology Field Station, on mossy soil with
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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,
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<taxonomicName class="Pinopsida" family="Pinaceae" genus="Tsuga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tsuga" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Tsuga</taxonomicName>
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,
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<taxonomicName class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="genus">Pinus</taxonomicName>
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, 450 m, 27 Jul 2009, A.D. Wolfenbarger AW0119 (TENN 064272).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="35" type="discussion">
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<paragraph pageId="0" pageNumber="35">Discussion.</paragraph>
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<paragraph pageId="0" pageNumber="35">
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<taxonomicName class="Agaricomycetes" family="Cantharellaceae" genus="Hydnum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hydnum alboaurantiacum" order="Cantharellales" pageId="0" pageNumber="35" phylum="Basidiomycota" rank="species" species="alboaurantiacum">Hydnum alboaurantiacum</taxonomicName>
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has probably been mistaken for the closely related
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<taxonomicName lsidName="H. albidum" pageId="0" pageNumber="35" rank="species" species="albidum">H. albidum</taxonomicName>
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due to the initial pale white coloration and similar basidiospore size and shape. However,
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<taxonomicName lsidName="H. alboaurantiacum" pageId="0" pageNumber="35" rank="species" species="alboaurantiacum">H. alboaurantiacum</taxonomicName>
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quickly stains bright rusty orange on all parts of the basidiomes where handled, whereas
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<taxonomicName lsidName="H. albidum" pageId="0" pageNumber="35" rank="species" species="albidum">H. albidum</taxonomicName>
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slowly stains a lighter brown-orange hue. In addition,
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<taxonomicName lsidName="H. alboaurantiacum" pageId="0" pageNumber="35" rank="species" species="alboaurantiacum">H. alboaurantiacum</taxonomicName>
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often displays a larger and more stout stature than
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<taxonomicName lsidName="H. albidum" pageId="0" pageNumber="35" rank="species" species="albidum">H. albidum</taxonomicName>
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. The two species are readily distinguished as separate clades in Fig. 2.
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<taxonomicName class="Agaricomycetes" family="Cantharellaceae" genus="Hydnum" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hydnum alboaurantiacum" order="Cantharellales" pageId="0" pageNumber="35" phylum="Basidiomycota" rank="species" species="alboaurantiacum">Hydnum alboaurantiacum</taxonomicName>
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is known only from the southeastern US and appears derived from a grade of Central American taxa including the recently described
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<taxonomicName lsidName="H. zongolicense" pageId="0" pageNumber="35" rank="species" species="zongolicense">H. zongolicense</taxonomicName>
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(
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<bibRefCitation author="Niskanen, T" journalOrPublisher="New Zealand Journal of Botany" pageId="0" pageNumber="35" url="https://doi.org/10.1080/00275514.2018.1477004" year="2018">Niskanen et al. 2018</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |