224 lines
17 KiB
XML
224 lines
17 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.46.32823" ID-GBIF-Dataset="e546c2a6-4668-4253-b2e2-b462f23dab8c" ID-PMC="PMC6379322" ID-Pensoft-Pub="1314-4049-46-1" ID-PubMed="30787668" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1314-4049-46-1" ModsDocOrigin="MycoKeys 46" ModsDocTitle="The genus Hebeloma in the Rocky Mountain Alpine Zone" checkinTime="1555333436509" checkinUser="pensoft" docAuthor="Cripps, Cathy L., Eberhardt, Ursula, Schuetz, Nicole, Beker, Henry J., Vera S. Evenson, & Horak, Egon" docDate="2019" docId="75324A3602B25592F4E313FE6BC3059B" docLanguage="en" docName="MycoKeys 46: 1-54" docOrigin="MycoKeys 46" docSource="http://dx.doi.org/10.3897/mycokeys.46.32823" docTitle="Hebeloma aurantioumbrinum Beker, Vesterh. & U. Eberh., Persoonia 35: 116 2015" docType="treatment" docVersion="4" lastPageNumber="17" masterDocId="AC18AA047D78FFBFD06BFFFDFF948577" masterDocTitle="The genus Hebeloma in the Rocky Mountain Alpine Zone" masterLastPageNumber="54" masterPageNumber="1" pageNumber="14" updateTime="1668136151891" 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>The genus Hebeloma in the Rocky Mountain Alpine Zone</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>Cripps, Cathy L.</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>Eberhardt, Ursula</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>Schuetz, Nicole</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>Beker, Henry 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>Vera S. Evenson,</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>Horak, Egon</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>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>46</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>54</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.46.32823</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.46.32823</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-46-1</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="156202107" LSID="urn:lsid:plazi:treatment:75324A3602B25592F4E313FE6BC3059B" httpUri="http://treatment.plazi.org/id/75324A3602B25592F4E313FE6BC3059B" lastPageId="16" lastPageNumber="17" pageId="13" pageNumber="14">
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<subSubSection pageId="13" pageNumber="14" type="nomenclature">
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<paragraph pageId="13" pageNumber="14">
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2.
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<taxonomicName authority="Beker, Vesterh. & U. Eberh., Persoonia 35: 116 (2015)" class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma aurantioumbrinum" order="Agaricales" pageId="13" pageNumber="14" phylum="Basidiomycota" rank="species" species="aurantioumbrinum">Hebeloma aurantioumbrinum Beker, Vesterh. & U. Eberh., Persoonia 35: 116 (2015)</taxonomicName>
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Figures 4C, 8, 23 (2)
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</paragraph>
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</subSubSection>
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<subSubSection pageId="14" pageNumber="15" type="etymology">
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<paragraph pageId="14" pageNumber="15">
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<pageBreakToken pageId="14" pageNumber="15" start="start">Etymology</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="14" pageNumber="15">From aurantius, orange and umbrinus, umber.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="15" lastPageNumber="16" pageId="14" pageNumber="15" type="description">
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<paragraph pageId="14" pageNumber="15">Description.</paragraph>
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<paragraph pageId="14" pageNumber="15">
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Cortina absent. Pileus small, 10-20 mm in diameter, convex, slightly conic-convex, appearing smooth, greasy, not hygrophanous, cream, then buff, pinkish buff, orange brown, can be lighter towards margin but not clearly two-toned, somewhat hoary; margin weakly involute, possibly crenate with a white rim. Lamellae deeply indented, deeply sinuate-arcuate, rather distant, L = 25-40 plus lamellulae, cream, then buff, pinkish buff, milk coffee; edges fimbriate, white but graying, drops visible. Stipe 15-28
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<normalizedToken originalValue="×">x</normalizedToken>
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2-3 mm, equal, bit curved, dingy whitish cream but darkening at base to watery brown (in CLC3093), floccose/pruinose for top third and smooth-fibrous below. Context dingy whitish. Odor faint or raphanoid. Exsiccate: pileus buff, lamellae brown; stipe very thin, whitish.
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</paragraph>
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<paragraph lastPageId="15" lastPageNumber="16" pageId="14" pageNumber="15">
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Basidiospores yellowish brown, slightly amygdaliform, with almost obtuse ends, with tiny apiculus, with slight ornamentation (O2), no loosening perispore (P0, P1), slightly dextrinoid (D1, D2), 10
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<normalizedToken originalValue="–13(–">-13(-</normalizedToken>
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14)
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<normalizedToken originalValue="×">x</normalizedToken>
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6-7.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, on average 11.5
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<normalizedToken originalValue="×">x</normalizedToken>
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6.7
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, Q = 1.72. Basidia 30-35
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<normalizedToken originalValue="×">x</normalizedToken>
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8-10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, clavate, two- and four-spored. Cheilocystidia long
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<pageBreakToken pageId="15" pageNumber="16" start="start">with</pageBreakToken>
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swollen apex, clavate-stiptate, occasionally clavate-lageniform, 40-70
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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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at apex, 3-5.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in middle, and 3-6.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in base. Pleurocystidia absent. Epicutis thickness 70-100
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, with some encrusted hyphae.
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</paragraph>
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<caption pageId="15" pageNumber="16">
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<paragraph pageId="15" pageNumber="16">
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Figure 8.
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<taxonomicName class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma aurantioumbrinum" order="Agaricales" pageId="15" pageNumber="16" phylum="Basidiomycota" rank="species" species="aurantioumbrinum">Hebeloma aurantioumbrinum</taxonomicName>
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, CLC3093 and CLC1822.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="15" pageNumber="16" type="rocky mountain ecology">
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<paragraph pageId="15" pageNumber="16">Rocky Mountain ecology.</paragraph>
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<paragraph pageId="15" pageNumber="16">
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In the alpine with willows
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<taxonomicName class="Magnoliopsida" family="Salicaceae" genus="Salix" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Salix glauca" order="Malpighiales" pageId="15" pageNumber="16" phylum="Tracheophyta" rank="species" species="glauca">Salix glauca</taxonomicName>
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,
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<taxonomicName class="Magnoliopsida" family="Salicaceae" genus="Salix" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Salix planifolia" order="Malpighiales" pageId="15" pageNumber="16" phylum="Tracheophyta" rank="species" species="planifolia">Salix planifolia</taxonomicName>
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, and
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<taxonomicName lsidName="S. arctica" pageId="15" pageNumber="16" rank="species" species="arctica">S. arctica</taxonomicName>
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, reported from Colorado, Montana and Wyoming.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="15" pageNumber="16" type="materials_examined">
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<paragraph pageId="15" pageNumber="16">Rocky Mountain specimens examined.</paragraph>
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<paragraph pageId="15" pageNumber="16">
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U.S.A. COLORADO: San Juan/Hinsdale County, San Juan Mountains, Stony Pass, with
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<taxonomicName class="Magnoliopsida" family="Salicaceae" genus="Salix" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Salix arctica" order="Malpighiales" pageId="15" pageNumber="16" phylum="Tracheophyta" rank="species" species="arctica">Salix arctica</taxonomicName>
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, 28 July 2002, CLC1822 (MONT), C. Cripps. WYOMING: Park County, Beartooth Plateau. Frozen Lakes with
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<taxonomicName lsidName="S. planifolia" pageId="15" pageNumber="16" rank="species" species="planifolia">S. planifolia</taxonomicName>
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, 14 Aug 2014, CLC3093 (MONT), C. Cripps; WY/MT stateline with
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<taxonomicName lsidName="S. planifolia" pageId="15" pageNumber="16" rank="species" species="planifolia">S. planifolia</taxonomicName>
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, 14 July 2001, CLC1565 (MONT), C. Cripps. Wyoming Creek 6 Aug 2008 with
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<taxonomicName lsidName="S. arctica" pageId="15" pageNumber="16" rank="species" species="arctica">S. arctica</taxonomicName>
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and
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<taxonomicName lsidName="S. glauca" pageId="15" pageNumber="16" rank="species" species="glauca">S. glauca</taxonomicName>
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, HJB12445, C. Cripps & H.J. Beker; HJB12446, C. Cripps; HJB12447, C. Cripps; HJB12448, H.J. Beker; HJB12450, HJB12452, HJB12453, H.J. Beker; HJB12451 with
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<taxonomicName lsidName="S. planifolia" pageId="15" pageNumber="16" rank="species" species="planifolia">S. planifolia</taxonomicName>
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, H. Knudsen; HJB12454, E. Horak. Upper Wyoming Creek, with
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<taxonomicName class="Magnoliopsida" family="Salicaceae" genus="Salix" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Salix arctica" order="Malpighiales" pageId="15" pageNumber="16" phylum="Tracheophyta" rank="species" species="arctica">Salix arctica</taxonomicName>
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, 8 Aug 2008, HJB12456, J. Antibus. Hell-Roaring Plateau, with
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix" order="Aplousobranchia" pageId="15" pageNumber="16" phylum="Chordata" rank="genus">Salix</taxonomicName>
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sp., 14 Aug 2007, ZT12730 (ETH), ZT12731 (ETH), E. Horak.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="16" lastPageNumber="17" pageId="15" pageNumber="16" type="discussion">
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<paragraph pageId="15" pageNumber="16">Discussion.</paragraph>
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<paragraph lastPageId="16" lastPageNumber="17" pageId="15" pageNumber="16">
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Beker and co-workers (
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<bibRefCitation pageId="15" pageNumber="16">Beker et al. 2016</bibRefCitation>
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;
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<bibRefCitation author="Eberhardt, U" journalOrPublisher="Persoonia" pageId="43" pageNumber="44" pagination="101 - 137" title="Decrypting the Hebelomacrustuliniforme complex: European species of HebelomasectionDenudata subsection Denudata (Agaricales)." url="https://doi.org/10.3767/003158515X687704" volume="35" year="2015 a">Eberhardt et al. 2015a</bibRefCitation>
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) showed that
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<taxonomicName lsidName="H. aurantioumbrinum" pageId="15" pageNumber="16" rank="species" species="aurantioumbrinum">H. aurantioumbrinum</taxonomicName>
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cannot be distinguished from the non-arctic-alpine
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<taxonomicName lsidName="H. helodes" pageId="15" pageNumber="16" rank="species" species="helodes">H. helodes</taxonomicName>
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J. Favre based on ITS sequencing, but it can be separated from all other members of
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<taxonomicName infraspecific-rank="sect." lsidName="H." pageId="15" pageNumber="16" rank="section" section="Denudata">H. sect. Denudata</taxonomicName>
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. An ITS tree is given in
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<bibRefCitation author="Eberhardt, U" journalOrPublisher="Persoonia" pageId="43" pageNumber="44" pagination="101 - 137" title="Decrypting the Hebelomacrustuliniforme complex: European species of HebelomasectionDenudata subsection Denudata (Agaricales)." url="https://doi.org/10.3767/003158515X687704" volume="35" year="2015 a">Eberhardt et al. (2015a)</bibRefCitation>
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. The RM dataset includes more collections of
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<taxonomicName lsidName="H. aurantioumbrinum" pageId="15" pageNumber="16" rank="species" species="aurantioumbrinum">H. aurantioumbrinum</taxonomicName>
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(15) than the FE dataset (7). Therefore, it is not surprising that the molecular diversity of the RM sequences is higher than that of the FE dataset (Fig. 4C). There are 0-6 [0] bp differences among the FE sequences of
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<taxonomicName lsidName="H. aurantioumbrinum" pageId="15" pageNumber="16" rank="species" species="aurantioumbrinum">H. aurantioumbrinum</taxonomicName>
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, 0-9 [0-3] bp differences among the sequences of RM
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<taxonomicName lsidName="H. aurantioumbrinum" pageId="15" pageNumber="16" rank="species" species="aurantioumbrinum">H. aurantioumbrinum</taxonomicName>
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and 2-11 [0-3] bp differences between
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<taxonomicName lsidName="H. aurantioumbrinum" pageId="15" pageNumber="16" rank="species" species="aurantioumbrinum">H. aurantioumbrinum</taxonomicName>
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and
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<taxonomicName lsidName="H. helodes" pageId="15" pageNumber="16" rank="species" species="helodes">H. helodes</taxonomicName>
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. Morphologically,
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<taxonomicName lsidName="H. aurantioumbrinum" pageId="15" pageNumber="16" rank="species" species="aurantioumbrinum">H. aurantioumbrinum</taxonomicName>
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and
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<taxonomicName lsidName="H. helodes" pageId="15" pageNumber="16" rank="species" species="helodes">H. helodes</taxonomicName>
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are quite different and can be easily separated, for example
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<taxonomicName lsidName="H. helodes" pageId="15" pageNumber="16" rank="species" species="helodes">H. helodes</taxonomicName>
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always has a distinct thickening of the cheilocystidium wall at the apex, a feature that is absent
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<pageBreakToken pageId="16" pageNumber="17" start="start">in</pageBreakToken>
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<taxonomicName lsidName="H. aurantioumbrinum" pageId="16" pageNumber="17" rank="species" species="aurantioumbrinum">H. aurantioumbrinum</taxonomicName>
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. Further, they occur in very different habitats;
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<taxonomicName lsidName="H. helodes" pageId="16" pageNumber="17" rank="species" species="helodes">H. helodes</taxonomicName>
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has never, to our knowledge, been confirmed in arctic-alpine habitats.
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</paragraph>
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<paragraph pageId="16" pageNumber="17">
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<taxonomicName class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma aurantioumbrinum" order="Agaricales" pageId="16" pageNumber="17" phylum="Basidiomycota" rank="species" species="aurantioumbrinum">Hebeloma aurantioumbrinum</taxonomicName>
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may have been confused with
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<taxonomicName lsidName="H. pusillum" pageId="16" pageNumber="17" rank="species" species="pusillum">H. pusillum</taxonomicName>
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J.E. Lange, although
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<taxonomicName lsidName="H. pusillum" pageId="16" pageNumber="17" rank="species" species="pusillum">H. pusillum</taxonomicName>
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has much more slender basidiomes that are distinctly two-toned.
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<taxonomicName class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma aurantioumbrinum" order="Agaricales" pageId="16" pageNumber="17" phylum="Basidiomycota" rank="species" species="aurantioumbrinum">Hebeloma aurantioumbrinum</taxonomicName>
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is squatter and rarely two-toned. Additionally, we are not aware of any confirmed records of
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<taxonomicName lsidName="H. pusillum" pageId="16" pageNumber="17" rank="species" species="pusillum">H. pusillum</taxonomicName>
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in arctic-alpine habitats. Both these species, without any veil (beyond the primordial stage) and with clavate-stiptate cheilocystidia, belong to the
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<taxonomicName lsidName="" pageId="16" pageNumber="17" rank="subsection" subsection="Crustuliniformia">Crustuliniformia</taxonomicName>
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subsection of section
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<taxonomicName lsidName="" pageId="16" pageNumber="17" rank="section" section="Denudata">Denudata</taxonomicName>
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. This subsection contains many small species that are arctic-alpine specialists that occur with
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix" order="Aplousobranchia" pageId="16" pageNumber="17" phylum="Chordata" rank="genus">Salix</taxonomicName>
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, and these species have only recently been split out and described (
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<bibRefCitation author="Eberhardt, U" journalOrPublisher="Persoonia" pageId="43" pageNumber="44" pagination="101 - 137" title="Decrypting the Hebelomacrustuliniforme complex: European species of HebelomasectionDenudata subsection Denudata (Agaricales)." url="https://doi.org/10.3767/003158515X687704" volume="35" year="2015 a">Eberhardt et al. 2015a</bibRefCitation>
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). Collections of
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<taxonomicName lsidName="H. aurantioumbrinum" pageId="16" pageNumber="17" rank="species" species="aurantioumbrinum">H. aurantioumbrinum</taxonomicName>
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have been confirmed from a number of arctic and alpine habitats, including Greenland, Iceland, Scandinavia, and Svalbard (
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<bibRefCitation pageId="16" pageNumber="17">Beker et al. 2016</bibRefCitation>
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). In the Rockies, this species can be recognized by its alpine habitat, association with willows (primarily
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<taxonomicName lsidName="S. planifolia" pageId="16" pageNumber="17" rank="species" species="planifolia">S. planifolia</taxonomicName>
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), small size, lack of veil, and pinkish buff to orange brown uniformly colored pileus often with a white, crenate margin.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |