209 lines
15 KiB
XML
209 lines
15 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="DDB64A7AA074DBB935C11DDF2C7C1CE1" docLanguage="en" docName="MycoKeys 46: 1-54" docOrigin="MycoKeys 46" docSource="http://dx.doi.org/10.3897/mycokeys.46.32823" docTitle="Hebeloma hygrophilum Poumarat & Corriol, Fungi Europaei 14 (Lomazzo): 138 2016" docType="treatment" docVersion="4" lastPageNumber="38" masterDocId="AC18AA047D78FFBFD06BFFFDFF948577" masterDocTitle="The genus Hebeloma in the Rocky Mountain Alpine Zone" masterLastPageNumber="54" masterPageNumber="1" pageNumber="36" 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="156202102" LSID="urn:lsid:plazi:treatment:DDB64A7AA074DBB935C11DDF2C7C1CE1" httpUri="http://treatment.plazi.org/id/DDB64A7AA074DBB935C11DDF2C7C1CE1" lastPageId="37" lastPageNumber="38" pageId="35" pageNumber="36">
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<subSubSection pageId="35" pageNumber="36" type="nomenclature">
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<paragraph pageId="35" pageNumber="36">
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14.
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<taxonomicName authority="Poumarat & Corriol, Fungi Europaei 14 (Lomazzo): 138 (2016)" class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma hygrophilum" order="Agaricales" pageId="35" pageNumber="36" phylum="Basidiomycota" rank="species" species="hygrophilum">Hebeloma hygrophilum Poumarat & Corriol, Fungi Europaei 14 (Lomazzo): 138 (2016)</taxonomicName>
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Figures 6A, 20, 23 (14)
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</paragraph>
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</subSubSection>
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<subSubSection pageId="36" pageNumber="37" type="etymology">
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<paragraph pageId="36" pageNumber="37">
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<pageBreakToken pageId="36" pageNumber="37" start="start">Etymology</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="36" pageNumber="37">hygrophilus, because it is often found in moist, wet, boggy ground.</paragraph>
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</subSubSection>
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<subSubSection pageId="36" pageNumber="37" type="description">
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<paragraph pageId="36" pageNumber="37">Description.</paragraph>
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<paragraph pageId="36" pageNumber="37">
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Cortina present. Pileus 15-25 mm in diameter, convex to almost plane, smooth, greasy, center dark brown, reddish brown, lighter towards margin to buff; margin entire. Lamellae emarginate and strongly curved outwards, a bit distant, L = 24 plus lamellulae, pale buff becoming milk coffee color; edges lighter or darker. Stipe 25-35
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<normalizedToken originalValue="×">x</normalizedToken>
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1-2 mm, long and thin, undulating, dingy cream in top half, darkening to blackish at base, apex pruinose, below with longitudinal fibrils. Context dingy cream and brownish black in stipe base. Odor raphanoid. Exsiccate: small; pileus, two-toned, dark brown center, cream towards margin; stipe thin, whitish with a darker base.
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</paragraph>
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<paragraph pageId="36" pageNumber="37">
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Basidiospores slightly amygdaliform, a few with a snout, apiculate, not guttulate, finely verrucose (O2), distinctly dextrinoid (D2, D3), no perispore loosening observed (P0), 10-13
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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 11.4
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<normalizedToken originalValue="×">x</normalizedToken>
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6.8
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, Q = 1.67; a few spores larger -16
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<normalizedToken originalValue="×">x</normalizedToken>
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-7
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<normalizedToken originalValue="µm">µm</normalizedToken>
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present. Basidia clavate, 25-30
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<normalizedToken originalValue="×">x</normalizedToken>
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7-9
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, four-spored, possibly some two-spored because of larger spores present. Cheilocystidia lageniform, with subcapitate apex, long neck (sometimes wiggly), occasionally septate, with gradually swollen base, or almost cylindrical, length 35-70
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<normalizedToken originalValue="×">x</normalizedToken>
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4-6.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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or wider at apex, 4-6
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in middle, and up to 7-13
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<normalizedToken originalValue="µm">µm</normalizedToken>
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at base, no thickening noticed. Pleurocystidia absent. Epicutis thickness 100-130
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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="36" pageNumber="37">
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<paragraph pageId="36" pageNumber="37">
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Figure 20.
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<taxonomicName class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma hygrophilum" order="Agaricales" pageId="36" pageNumber="37" phylum="Basidiomycota" rank="species" species="hygrophilum">Hebeloma hygrophilum</taxonomicName>
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, DBG-F-021349 and CLC1462.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="36" pageNumber="37" type="rocky mountain ecology">
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<paragraph pageId="36" pageNumber="37">Rocky Mountain ecology.</paragraph>
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<paragraph pageId="36" pageNumber="37">
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Based on four collections from Colorado and Montana, in the alpine zone; all with
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix" order="Aplousobranchia" pageId="36" pageNumber="37" phylum="Chordata" rank="genus">Salix</taxonomicName>
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, and the presence of
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<taxonomicName class="Sphagnopsida" family="Sphagnaceae" genus="Sphagnum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sphagnum" order="Sphagnales" pageId="36" pageNumber="37" phylum="Bryophyta" rank="genus">Sphagnum</taxonomicName>
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is mentioned for one.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="37" lastPageNumber="38" pageId="36" pageNumber="37" type="materials_examined">
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<paragraph pageId="36" pageNumber="37">Rocky Mountain specimens examined.</paragraph>
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<paragraph lastPageId="37" lastPageNumber="38" pageId="36" pageNumber="37">
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U.S.A. COLORADO: Pitkin/Lake County, Sawatch Range, Independence Pass, 6 Aug 2000, under
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<taxonomicName lsidName="S. planifolia" pageId="36" pageNumber="37" rank="species" species="planifolia">S. planifolia</taxonomicName>
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, 3660 m, CLC1462
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<pageBreakToken pageId="37" pageNumber="38" start="start">(</pageBreakToken>
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MONT), C. Cripps; 7 Aug 2000,
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<taxonomicName class="Magnoliopsida" family="Salicaceae" genus="Salix" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Salix planifolia" order="Malpighiales" pageId="37" pageNumber="38" phylum="Tracheophyta" rank="species" species="planifolia">Salix planifolia</taxonomicName>
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, CLC1476 (MONT), 3660 m, C. Cripps. Summit County, near Summit Lake, with
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<taxonomicName class="Sphagnopsida" family="Sphagnaceae" genus="Sphagnum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sphagnum" order="Sphagnales" pageId="37" pageNumber="38" phylum="Bryophyta" rank="genus">Sphagnum</taxonomicName>
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sp. and
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix" order="Aplousobranchia" pageId="37" pageNumber="38" phylum="Chordata" rank="genus">Salix</taxonomicName>
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sp., 3658 m, 10 Aug 2003, DBG-F-021349, V.S. Evenson. MONTANA: Beartooth Plateau, Frozen Lakes, at 3200 m, near
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<taxonomicName lsidName="S. planifolia" pageId="37" pageNumber="38" rank="species" species="planifolia">S. planifolia</taxonomicName>
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, 29 Aug 2002, CLC1948 (MONT), C. Cripps.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="discussion">
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<paragraph pageId="37" pageNumber="38">Discussion.</paragraph>
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<paragraph pageId="37" pageNumber="38">
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Figure 6A supports
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<bibRefCitation pageId="37" pageNumber="38">Beker et al. (2016)</bibRefCitation>
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in that
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<taxonomicName lsidName="H. hygrophilum" pageId="37" pageNumber="38" rank="species" species="hygrophilum">H. hygrophilum</taxonomicName>
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is paraphyletic in relation to the other members of the
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<taxonomicName lsidName="H. mesophaeum" pageId="37" pageNumber="38" rank="species" species="mesophaeum">H. mesophaeum</taxonomicName>
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complex based on the ITS sequence, although some genotypes seem to be restricted to this species. The four
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<taxonomicName lsidName="H. hygrophilum" pageId="37" pageNumber="38" rank="species" species="hygrophilum">H. hygrophilum</taxonomicName>
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representatives from the Rocky Mountains differ by 2-20 [0-2] bp in their ITS, whereas the intraspecific variation of
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<taxonomicName lsidName="H. hygrophilum" pageId="37" pageNumber="38" rank="species" species="hygrophilum">H. hygrophilum</taxonomicName>
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within the sample is 1-22 [0-3] bp (14 sequences). Responsible for the high distance values is sample CLC1476 (HJB15297), which differs from all other conspecifics by 15-22 [0-1] bp and from all sequences of the ingroup by 14-22 [0-2] bp, while all other
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<taxonomicName lsidName="H. hygrophilum" pageId="37" pageNumber="38" rank="species" species="hygrophilum">H. hygrophilum</taxonomicName>
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samples differ by only 1-9 [0-2] bp from each other. The morphologically closest taxon occurring in the Rocky Mountains is
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<taxonomicName lsidName="H. nigellum" pageId="37" pageNumber="38" rank="species" species="nigellum">H. nigellum</taxonomicName>
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which differs by 3-10 [0-5] (14-21 [0-2]) bp. The values in round brackets are for CLC1476. An unusually high number of SNP positions in CLC1476 is responsible for the large total differences. However, sequences with numerous SNP positions occur occasionally in
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<taxonomicName class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma" order="Agaricales" pageId="37" pageNumber="38" phylum="Basidiomycota" rank="genus">Hebeloma</taxonomicName>
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and are normally reproducable (
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<bibRefCitation pageId="37" pageNumber="38">Beker et al. 2016</bibRefCitation>
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).
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</paragraph>
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<paragraph pageId="37" pageNumber="38">
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<taxonomicName class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma hygrophilum" order="Agaricales" pageId="37" pageNumber="38" phylum="Basidiomycota" rank="species" species="hygrophilum">Hebeloma hygrophilum</taxonomicName>
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was first described from the Pyrenees in non-alpine habitats above 1250 m (
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<bibRefCitation author="Poumarat, S" journalOrPublisher="Bulletin Semestrial Federation des Associations Mycologiques Mediterraneennes" pageId="44" pageNumber="45" pagination="3 - 14" title="Deux Hebeloma peux connus: H. hygrophilum ad. int. et H. pumilum recoltes dans les Pyrenees Orientales." volume="36" year="2009">Poumarat and Corriol 2009</bibRefCitation>
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) and it is known in boreal habitats from northern Europe (
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<bibRefCitation pageId="37" pageNumber="38">Beker et al. 2016</bibRefCitation>
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). Thus it is typically in subalpine or subarctic habitats. It appears to have been found mostly with
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix" order="Aplousobranchia" pageId="37" pageNumber="38" phylum="Chordata" rank="genus">Salix</taxonomicName>
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and usually in wet areas with moss, typically
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<taxonomicName class="Sphagnopsida" family="Sphagnaceae" genus="Sphagnum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sphagnum" order="Sphagnales" pageId="37" pageNumber="38" phylum="Bryophyta" rank="genus">Sphagnum</taxonomicName>
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. Here we report it for the first time in the alpine habitat (with
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<taxonomicName lsidName="S. planifolia" pageId="37" pageNumber="38" rank="species" species="planifolia">S. planifolia</taxonomicName>
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); at least one collection was found in
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<taxonomicName class="Sphagnopsida" family="Sphagnaceae" genus="Sphagnum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sphagnum" order="Sphagnales" pageId="37" pageNumber="38" phylum="Bryophyta" rank="genus">Sphagnum</taxonomicName>
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moss. It is molecularly close to
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<taxonomicName lsidName="H. clavulipes" pageId="37" pageNumber="38" rank="species" species="clavulipes">H. clavulipes</taxonomicName>
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,
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<taxonomicName lsidName="H. nigellum" pageId="37" pageNumber="38" rank="species" species="nigellum">H. nigellum</taxonomicName>
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and
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<taxonomicName lsidName="H. oreophilum" pageId="37" pageNumber="38" rank="species" species="oreophilum">H. oreophilum</taxonomicName>
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(see below). When found in the alpine, it could be confused with
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<taxonomicName lsidName="H. nigellum" pageId="37" pageNumber="38" rank="species" species="nigellum">H. nigellum</taxonomicName>
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, which is morphologically very similar. However, the spore width of
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<taxonomicName lsidName="H. nigellum" pageId="37" pageNumber="38" rank="species" species="nigellum">H. nigellum</taxonomicName>
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is reported typically with an average over 7
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, while that for
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<taxonomicName lsidName="H. hygrophilum" pageId="37" pageNumber="38" rank="species" species="hygrophilum">H. hygrophilum</taxonomicName>
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is reported with an average of less than 7
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<normalizedToken originalValue="µm">µm</normalizedToken>
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; to add confusion, both appear to have occasional very large spores likely from two-spored basidia.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |