210 lines
14 KiB
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210 lines
14 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="9149531A7D139375A1F5BAE48A8B043E" docLanguage="en" docName="MycoKeys 46: 1-54" docOrigin="MycoKeys 46" docSource="http://dx.doi.org/10.3897/mycokeys.46.32823" docTitle="Hebeloma mesophaeum Quel., Mem. Soc. Emul. Montbeliard, ser. 2, 5: 128 1872" docType="treatment" docVersion="4" lastPageNumber="32" masterDocId="AC18AA047D78FFBFD06BFFFDFF948577" masterDocTitle="The genus Hebeloma in the Rocky Mountain Alpine Zone" masterLastPageNumber="54" masterPageNumber="1" pageNumber="32" 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="156202103" LSID="urn:lsid:plazi:treatment:9149531A7D139375A1F5BAE48A8B043E" httpUri="http://treatment.plazi.org/id/9149531A7D139375A1F5BAE48A8B043E" lastPageNumber="32" pageId="31" pageNumber="32">
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<subSubSection pageId="31" pageNumber="32" type="nomenclature">
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<paragraph pageId="31" pageNumber="32">
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11.
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<taxonomicName authority="Pers.) Quel., Mem. Soc. Emul. Montbeliard, ser. 2, 5: 128 (1872" authorityYear="1872" class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma mesophaeum" order="Agaricales" pageId="31" pageNumber="32" phylum="Basidiomycota" rank="species" species="mesophaeum">
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Hebeloma mesophaeum (Pers.)
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<normalizedToken originalValue="Quél">Quel</normalizedToken>
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.,
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<normalizedToken originalValue="Mém">Mem</normalizedToken>
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. Soc.
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<normalizedToken originalValue="Émul">Emul</normalizedToken>
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.
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<normalizedToken originalValue="Montbéliard">Montbeliard</normalizedToken>
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,
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<normalizedToken originalValue="sér">ser</normalizedToken>
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. 2, 5: 128 (1872)
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</taxonomicName>
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Figures 6B, 17, 23 (11)
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</paragraph>
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</subSubSection>
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<subSubSection pageId="31" pageNumber="32" type="etymology">
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<paragraph pageId="31" pageNumber="32">Etymology.</paragraph>
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<paragraph pageId="31" pageNumber="32">From Greek meso, in the middle, and phaeus, dark-colored. Persoon (1872) particularly mentioned the peculiar reddish brown pileus center "disco rufo-fusco peculiaris" which is characteristic of this taxon.</paragraph>
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</subSubSection>
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<subSubSection pageId="31" pageNumber="32" type="description">
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<paragraph pageId="31" pageNumber="32">Description.</paragraph>
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<paragraph pageId="31" pageNumber="32">
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Cortina present. Pileus 10-20 mm in diameter, convex with low indistinct umbo, or conic-convex, smooth, shiny, greasy, yellowish brown in center, outwards lightening to pale ocher, at margin buff, two-toned, non-translucent; margin entire, turned in when young, covered with veil or not. Lamellae attached, adnate, L = 38-40, pale buff, pinkish buff, then pinkish brown; edges fimbriate. Stipe: 30-45
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<normalizedToken originalValue="×">x</normalizedToken>
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3
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<normalizedToken originalValue="–5(–">-5(-</normalizedToken>
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8 at base), very gradually larger at base, white, pruinose at apex, and fibrillose and darker below to ocher yellow and then blackish at very base. Context pale, dark in base of stipe. Odor raphanoid. Exsiccate: pileus pale brown, stipe with yellow sheen and darker at base.
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</paragraph>
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<paragraph pageId="31" pageNumber="32">
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Basidiospores yellow brown, elliptical, a few slightly ovoid, no big apiculus, not guttulate, looks almost smooth even under high magnification (O1), not or only very slightly dextrinoid (D0, D1), and no perispore loosening (P0), 8
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<normalizedToken originalValue="–10.5(–">-10.5(-</normalizedToken>
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11)
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<normalizedToken originalValue="×">x</normalizedToken>
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5-6.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, on average 9.7
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<normalizedToken originalValue="×">x</normalizedToken>
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5.8
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, Q = 1.66. Basidia 20-30
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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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, clavate, four-spored mostly. Pleurocystidia absent. Cheilocystidia cylindrical in the upper part and slightly swollen to more swollen at the base, rarely fully cylindrical, 30-55
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<normalizedToken originalValue="µm">µm</normalizedToken>
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long
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<normalizedToken originalValue="×">x</normalizedToken>
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4-7
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<normalizedToken originalValue="µm">µm</normalizedToken>
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at apex, 4-7
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in middle, and 6
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<normalizedToken originalValue="–9.5(–">-9.5(-</normalizedToken>
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10.5)
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<normalizedToken originalValue="µm">µm</normalizedToken>
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wide at base, with occasional thickening of the apical wall, some septate. Epicutis thickness 60-350
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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="31" pageNumber="32">
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<paragraph pageId="31" pageNumber="32">
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Figure 17.
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<taxonomicName class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma mesophaeum" order="Agaricales" pageId="31" pageNumber="32" phylum="Basidiomycota" rank="species" species="mesophaeum">Hebeloma mesophaeum</taxonomicName>
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, CLC1245 and ZT8082.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="31" pageNumber="32" type="rocky mountain ecology">
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<paragraph pageId="31" pageNumber="32">Rocky Mountain ecology.</paragraph>
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<paragraph pageId="31" pageNumber="32">
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Known so far only from the Colorado alpine with
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix glauca." order="Aplousobranchia" pageId="31" pageNumber="32" phylum="Chordata" rank="species" species="glauca.">Salix glauca.</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="31" pageNumber="32" type="materials_examined">
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<paragraph pageId="31" pageNumber="32">Rocky Mountain specimens examined.</paragraph>
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<paragraph pageId="31" pageNumber="32">
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U.S.A. COLORADO: Sawatch Range, Independence Pass, 3760 m, with
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<taxonomicName class="Magnoliopsida" family="Salicaceae" genus="Salix" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Salix glauca" order="Malpighiales" pageId="31" pageNumber="32" phylum="Tracheophyta" rank="species" species="glauca">Salix glauca</taxonomicName>
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, 8 Aug 1998, CLC1245 (MONT), C. Cripps; Front Range, Loveland Pass, 7 Aug 1999 with
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix" order="Aplousobranchia" pageId="31" pageNumber="32" phylum="Chordata" rank="genus">Salix</taxonomicName>
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sp., ZT8082 (ETH), E. Horak.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="31" pageNumber="32" type="discussion">
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<paragraph pageId="31" pageNumber="32">Discussion.</paragraph>
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<paragraph pageId="31" pageNumber="32">
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Only two collections from the RM dataset turned out to be
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<taxonomicName lsidName="H. mesophaeum" pageId="31" pageNumber="32" rank="species" species="mesophaeum">H. mesophaeum</taxonomicName>
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that differ in their ITS region by 7 [2] bp (Fig. 6B). The sequence variation among all
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<taxonomicName lsidName="H. mesophaeum" pageId="31" pageNumber="32" rank="species" species="mesophaeum">H. mesophaeum</taxonomicName>
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sequences (12) of the sample is 1-11 [0-4] bp.
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<bibRefCitation pageId="31" pageNumber="32">Beker et al. (2016)</bibRefCitation>
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did not manage to delimit
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<taxonomicName lsidName="H. mesophaeum" pageId="31" pageNumber="32" rank="species" species="mesophaeum">H. mesophaeum</taxonomicName>
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based on several loci. They suspected that there might be several species hidden within the sample assigned to
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<taxonomicName lsidName="H. mesophaeum" pageId="31" pageNumber="32" rank="species" species="mesophaeum">H. mesophaeum</taxonomicName>
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. It appears likely that
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<taxonomicName lsidName="H. excedens" pageId="31" pageNumber="32" rank="species" species="excedens">H. excedens</taxonomicName>
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and
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<taxonomicName lsidName="H. alpinicola" pageId="31" pageNumber="32" rank="species" species="alpinicola">H. alpinicola</taxonomicName>
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are among these
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<normalizedToken originalValue="‘cryptic’">'cryptic'</normalizedToken>
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taxa. We made sure that the 10 selected sequences from the FE dataset belong to
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<taxonomicName lsidName="H. mesophaeum" pageId="31" pageNumber="32" rank="species" species="mesophaeum">H. mesophaeum</taxonomicName>
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in the strict sense. Among the
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<taxonomicName lsidName="H. mesophaeum" pageId="31" pageNumber="32" rank="species" species="mesophaeum">H. mesophaeum</taxonomicName>
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representatives of the RM dataset, there is one collection that is reminiscent of
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<taxonomicName lsidName="H. pubescens" pageId="31" pageNumber="32" rank="species" species="pubescens">H. pubescens</taxonomicName>
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. However, because of its ambiguous morphology we decided to keep it in
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<taxonomicName lsidName="H. mesophaeum" pageId="31" pageNumber="32" rank="species" species="mesophaeum">H. mesophaeum</taxonomicName>
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. The respective collection (CLC1245) differs by 2-4 [1-2] bp from the available
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<taxonomicName lsidName="H. pubescens" pageId="31" pageNumber="32" rank="species" species="pubescens">H. pubescens</taxonomicName>
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data (3 sequences).
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</paragraph>
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<paragraph pageId="31" pageNumber="32">
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Previously
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<taxonomicName class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma bruchetii" order="Agaricales" pageId="31" pageNumber="32" phylum="Basidiomycota" rank="species" species="bruchetii">Hebeloma bruchetii</taxonomicName>
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Bon was one of the most commonly reported species from arctic and alpine areas, but it has now been synonymized with and folded into
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<taxonomicName lsidName="H. mesophaeum" pageId="31" pageNumber="32" rank="species" species="mesophaeum">H. mesophaeum</taxonomicName>
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(
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<bibRefCitation pageId="31" pageNumber="32">Beker et al. 2016</bibRefCitation>
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).
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<taxonomicName class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma mesophaeum" order="Agaricales" pageId="31" pageNumber="32" phylum="Basidiomycota" rank="species" species="mesophaeum">Hebeloma mesophaeum</taxonomicName>
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has relatively small elliptical spores that are smooth to slightly rough and not dextrinoid.
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<taxonomicName class="Agaricomycetes" family="Hymenogastraceae" genus="Hebeloma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hebeloma mesophaeum" order="Agaricales" pageId="31" pageNumber="32" phylum="Basidiomycota" rank="species" species="mesophaeum">Hebeloma mesophaeum</taxonomicName>
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is a widespread species reported in almost all arctic and alpine habitats, as well as from subalpine, boreal, and lower elevation habitats with a wide variety of hosts (
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<bibRefCitation pageId="31" pageNumber="32">Beker et al. 2016</bibRefCitation>
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). Also, many varieties have been described in North America (
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<bibRefCitation author="Smith, AH" journalOrPublisher="University of Michigan Press, Ann Arbor" pageId="45" pageNumber="46" title="Veiled Species of Hebeloma in the Western United States." year="1983">Smith et al. 1983</bibRefCitation>
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) and in Europe (
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<bibRefCitation author="Vesterholt, J" journalOrPublisher="Svampetryk, Tilst, Denmark" pageId="45" pageNumber="46" title="The genus Hebeloma. Fungi of Northern Europe - Vol. 3." year="2005">Vesterholt 2005</bibRefCitation>
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). Some of the European taxa have been synonymized by the authors (
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<bibRefCitation pageId="31" pageNumber="32">Beker et al. 2016</bibRefCitation>
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) and it remains to check the 12 North American varieties delineated by
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<bibRefCitation author="Smith, AH" journalOrPublisher="University of Michigan Press, Ann Arbor" pageId="45" pageNumber="46" title="Veiled Species of Hebeloma in the Western United States." year="1983">Smith et al. (1983)</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> |