185 lines
13 KiB
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185 lines
13 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="01893E3AACF94F86E6C5F1C9ADDD8103" docLanguage="en" docName="MycoKeys 46: 1-54" docOrigin="MycoKeys 46" docSource="http://dx.doi.org/10.3897/mycokeys.46.32823" docTitle="Hebeloma avellaneum Kauffman, Papers of the Michigan Academy of Sciences 17: 171 1933" docType="treatment" docVersion="4" lastPageNumber="20" masterDocId="AC18AA047D78FFBFD06BFFFDFF948577" masterDocTitle="The genus Hebeloma in the Rocky Mountain Alpine Zone" masterLastPageNumber="54" masterPageNumber="1" pageNumber="20" 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="156202115" LSID="urn:lsid:plazi:treatment:01893E3AACF94F86E6C5F1C9ADDD8103" httpUri="http://treatment.plazi.org/id/01893E3AACF94F86E6C5F1C9ADDD8103" lastPageId="20" lastPageNumber="20" pageId="19" pageNumber="20">
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<subSubSection pageId="19" pageNumber="20" type="nomenclature">
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<paragraph pageId="19" pageNumber="20">
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5.
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<taxonomicName authority="Kauffman, Papers of the Michigan Academy of Sciences 17: 171 (1933)" class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma avellaneum" order="Agaricales" pageId="19" pageNumber="20" phylum="Basidiomycota" rank="species" species="avellaneum">Hebeloma avellaneum Kauffman, Papers of the Michigan Academy of Sciences 17: 171 (1933)</taxonomicName>
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Figures 3, 11, 23 (5)
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</paragraph>
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</subSubSection>
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<subSubSection pageId="19" pageNumber="20" type="etymology">
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<paragraph pageId="19" pageNumber="20">Etymology.</paragraph>
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<paragraph pageId="19" pageNumber="20">
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For the color of hazelnuts, such as
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Corylus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Corylus avellana" order="Fagales" pageId="19" pageNumber="20" phylum="Tracheophyta" rank="species" species="avellana">Corylus avellana</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="19" pageNumber="20" type="description">
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<paragraph pageId="19" pageNumber="20">Description.</paragraph>
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<paragraph pageId="19" pageNumber="20">
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Cortina absent. Pileus 20-40 mm across, hemispherical, convex, can be domed, glabrous-viscid, rich Sayal brown, ochraceous to orange brown, cinnamon brown, with frosty canescence; margin turned down, or rolled in, remaining light colored, downy. Lamellae adnate to subdecurrent, narrow, L = 90 plus lamellulae, pale avellaneous, pale cinnamon, not dark at maturity; edges floccose, beaded. Stipe 25-35 mm
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<normalizedToken originalValue="×">x</normalizedToken>
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8-10 mm, equal to clavate, sturdy, white to cream, pruinose at apex, scurfy scales below. Context thick over pileus area, whitish, watery, not changing, or browning a bit in stipe but not from base up. Odor fruity or herbal tones. Exsiccate: medium-sized, cespitose in one group, hemispherical with margin inrolled, evenly colored, ochraceous, smooth to aereolate; stipe white, sturdy.
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</paragraph>
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<paragraph pageId="19" pageNumber="20">
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Basidiospores yellowish brown, amygdaliform, with a small apiculus, weakly ornamented (O1, O2), loosening perispore observed in a few spores (P0, P1), distinctly dextrinoid (D3), 8-11
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<normalizedToken originalValue="×">x</normalizedToken>
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5-6
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, on average 9.5
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<normalizedToken originalValue="×">x</normalizedToken>
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5.4
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, Q = 1.76. Basidia 25-34
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<normalizedToken originalValue="×">x</normalizedToken>
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6.5-8.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, two- and four-spored. Cheilocystidia variable, many cylindrical, but also gently clavate, capitate and capitate-stipitate as well as clavate-lageniform, 30-80
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<normalizedToken originalValue="×">x</normalizedToken>
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4
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<normalizedToken originalValue="–13(–">-13(-</normalizedToken>
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15)
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<normalizedToken originalValue="µm">µm</normalizedToken>
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at apex, 3.5-6.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in middle, and 4
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<normalizedToken originalValue="–8(–">-8(-</normalizedToken>
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9)
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<normalizedToken originalValue="µm">µm</normalizedToken>
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at base. Pleurocystidia absent. Epicutis thickness 80-130
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, no encrusted hyphae recorded.
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</paragraph>
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<caption pageId="19" pageNumber="20">
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<paragraph pageId="19" pageNumber="20">
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Figure 11.
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<taxonomicName class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma avellaneum" order="Agaricales" pageId="19" pageNumber="20" phylum="Basidiomycota" rank="species" species="avellaneum">Hebeloma avellaneum</taxonomicName>
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, DBG-F-019533 and UMICH 10722 (holotype).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="19" pageNumber="20" type="rocky mountain ecology">
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<paragraph pageId="19" pageNumber="20">Rocky Mountain ecology.</paragraph>
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<paragraph pageId="19" pageNumber="20">Cespitose, or clustered, in low alpine krummholz with conifers and willows. Both collections we have studied are from Colorado.</paragraph>
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</subSubSection>
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<subSubSection pageId="19" pageNumber="20" type="materials_examined">
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<paragraph pageId="19" pageNumber="20">Rocky Mountain specimens examined.</paragraph>
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<paragraph pageId="19" pageNumber="20">
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U.S.A. COLORADO: Summit County, Loveland Pass Lake, 4000 m, under willows, 20 Aug 1999, DBG-F-020434, no conifers mentioned but present in the general area, O.K. Miller Jr; Boulder County, above Mountain Research Station, 3200 m, with small willows (
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<taxonomicName class="Magnoliopsida" family="Salicaceae" genus="Salix" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Salix planifolia" order="Malpighiales" pageId="19" pageNumber="20" phylum="Tracheophyta" rank="species" species="planifolia">Salix planifolia</taxonomicName>
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) and one spruce within 2 m, 1 Aug 1998, DBG-F-019533, V.S. Evenson.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="19" pageNumber="20" type="materials_examined">
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<paragraph pageId="19" pageNumber="20">Other American specimens examined.</paragraph>
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<paragraph pageId="19" pageNumber="20">U.S.A. WASHINGTON: Grays Harbor County, Lake Quinault, Olympic National Park, at 75 m, on mossy edge of forest clearing, 8 Nov 1925, MICH 10722, C.H. Kauffman (holotype). CANADA. NEWFOUNDLAND AND LABRADOR: Pinware River at 15 m, under conifers, 7 Sep 2005, HJB14320, leg. J. May.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="20" lastPageNumber="21" pageId="19" pageNumber="20" type="discussion">
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<paragraph pageId="19" pageNumber="20">Discussion.</paragraph>
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<paragraph pageId="19" pageNumber="20">
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Based on ITS data,
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<taxonomicName lsidName="H. avellaneum" pageId="19" pageNumber="20" rank="species" species="avellaneum">H. avellaneum</taxonomicName>
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is monophyletic, but unsupported by bootstrap values (Fig. 3). In terms of phylogeny, its closest relative is
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<taxonomicName lsidName="H. catalaunicum" pageId="19" pageNumber="20" rank="species" species="catalaunicum">H. catalaunicum</taxonomicName>
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Beker, U. Eberh., Grilli & Vila, a Mediterranean species. It is also close to
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<taxonomicName lsidName="H. naviculosporum" pageId="19" pageNumber="20" rank="species" species="naviculosporum">H. naviculosporum</taxonomicName>
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Heykoop, G. Moreno & Esteve-Rav. and
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<taxonomicName lsidName="H. nanum" pageId="19" pageNumber="20" rank="species" species="nanum">H. nanum</taxonomicName>
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Velen. All three species appear to associate with
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<taxonomicName genus="Pinaceae" lsidName="Pinaceae" pageId="19" pageNumber="20" rank="genus">Pinaceae</taxonomicName>
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(
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<bibRefCitation pageId="19" pageNumber="20">Beker et al. 2016</bibRefCitation>
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). The identification of
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<taxonomicName lsidName="H. avellaneum" pageId="19" pageNumber="20" rank="species" species="avellaneum">H. avellaneum</taxonomicName>
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is supported by type studies. The fourth collection used in Fig. 3 is from Canada (Newfoundland) and has been presented by
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<bibRefCitation author="Voitk, A" journalOrPublisher="Omphalina" pageId="45" pageNumber="46" pagination="6 - 33" title="NL Hebeloma." volume="7" year="2016">Voitk et al. (2016)</bibRefCitation>
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as "
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<taxonomicName authority="sp." class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" infraspecific-rank="sect." kingdom="Fungi" lsidName="Hebeloma" order="Agaricales" pageId="19" pageNumber="20" phylum="Basidiomycota" rank="section" section="Naviculospora">Hebeloma sp. sect. Naviculospora</taxonomicName>
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".
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</paragraph>
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<paragraph lastPageId="20" lastPageNumber="21" pageId="19" pageNumber="20">
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Based on our studies of this taxon and of the habitats where it has been collected, we strongly suspect that this species is typically associated with conifers in temperate to subalpine or subarctic habitats. The holotype was collected in a temperate rainforest within the Olympic Peninsula in western Washington state. The often pruinose pileus with distinctive orange tones is indicative of
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<taxonomicName infraspecific-rank="sect." lsidName="H." pageId="19" pageNumber="20" rank="section" section="Naviculospora">H. sect. Naviculospora</taxonomicName>
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. These specimens were found in the low alpine where conifers are possible, and indeed
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<taxonomicName class="Pinopsida" family="Pinaceae" genus="Picea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Picea" order="Pinales" pageId="19" pageNumber="20" phylum="Tracheophyta" rank="genus">Picea</taxonomicName>
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was noted for one collection, but only willows for the other. In the low alpine of the Rocky
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<pageBreakToken pageId="20" pageNumber="21" start="start">Mountains</pageBreakToken>
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, the species might be confused with
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<taxonomicName lsidName="H. alpinum" pageId="20" pageNumber="21" rank="species" species="alpinum">H. alpinum</taxonomicName>
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,
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<taxonomicName lsidName="H. velutipes" pageId="20" pageNumber="21" rank="species" species="velutipes">H. velutipes</taxonomicName>
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, or
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<taxonomicName lsidName="H. hiemale" pageId="20" pageNumber="21" rank="species" species="hiemale">H. hiemale</taxonomicName>
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because of its robust habit and lack of veil, however there are more orange color tones of the pileus; the spores are smaller and more dextrinoid than one would expect for
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<taxonomicName lsidName="H. alpinum" pageId="20" pageNumber="21" rank="species" species="alpinum">H. alpinum</taxonomicName>
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and
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<taxonomicName lsidName="H. hiemale" pageId="20" pageNumber="21" rank="species" species="hiemale">H. hiemale</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |