173 lines
14 KiB
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173 lines
14 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.15.9587" ID-GBIF-Dataset="769a955d-d535-4402-86fb-884b3c123298" ID-GBIF-Taxon="127873127" ID-Pensoft-Pub="1314-4049-15-1" ModsDocAuthor="" ModsDocDate="2016" ModsDocID="1314-4049-15-1" ModsDocOrigin="MycoKeys 15" ModsDocTitle="New reports, phylogenetic analysis, and a key to Lactarius Pers. in the Greater Yellowstone Ecosystem informed by molecular data" checkinTime="1473366568713" checkinUser="pensoft" docAuthor="Barge, Edward G. & Cripps, Cathy L." docDate="2016" docId="D5B0B36F01971B1924F1651DFD272BF9" docLanguage="en" docName="MycoKeys 15: 1-58" docOrigin="MycoKeys 15" docSource="http://dx.doi.org/10.3897/mycokeys.15.9587" docTitle="Lactarius glyciosmus Fr." docType="treatment" docVersion="3" lastPageNumber="13" masterDocId="FFD1F118FFEC24262B7BCF2E5547923D" masterDocTitle="New reports, phylogenetic analysis, and a key to Lactarius Pers. in the Greater Yellowstone Ecosystem informed by molecular data" masterLastPageNumber="58" masterPageNumber="1" pageId="12" pageNumber="13" updateTime="1643499973714" 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>New reports, phylogenetic analysis, and a key to Lactarius Pers. in the Greater Yellowstone Ecosystem informed by molecular data</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>Barge, Edward G.</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>Cripps, Cathy L.</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>2016</mods:date>
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<mods:detail type="volume">
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<mods:number>15</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>58</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.15.9587</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.15.9587</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-15-1</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="127873127" LSID="urn:lsid:plazi:treatment:D5B0B36F01971B1924F1651DFD272BF9" httpUri="http://treatment.plazi.org/id/D5B0B36F01971B1924F1651DFD272BF9" lastPageNumber="13" pageId="12" pageNumber="13">
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<subSubSection pageId="12" pageNumber="13" type="multiple">
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<paragraph pageId="12" pageNumber="13">
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<pageBreakToken pageId="12" pageNumber="13" start="start">Taxon</pageBreakToken>
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classification Fungi Russulales Russulaceae
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</paragraph>
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</subSubSection>
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<subSubSection pageId="12" pageNumber="13" type="nomenclature">
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<paragraph pageId="12" pageNumber="13">
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3.
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<taxonomicName authority="(Fr.) Fr." class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius glyciosmus" order="Russulales" pageId="12" pageNumber="13" phylum="Basidiomycota" rank="species" species="glyciosmus">Lactarius glyciosmus (Fr.) Fr.</taxonomicName>
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Figure 5
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</paragraph>
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</subSubSection>
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<subSubSection pageId="12" pageNumber="13" type="reference_group">
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<paragraph pageId="12" pageNumber="13">
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius glyciosmus" order="Russulales" pageId="12" pageNumber="13" phylum="Basidiomycota" rank="species" species="glyciosmus">Lactarius glyciosmus</taxonomicName>
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The following morphological description includes data from Colorado specimens listed in
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<bibRefCitation author="Barge, EG" journalOrPublisher="Mycologia" pageId="49" pageNumber="50" pagination="414 - 440" title="Systematics of the ectomycorrhizal genus Lactarius in the Rocky Mountains alpine zone." url="10.3852/15-177" volume="108" year="2016">Barge et al. (2016)</bibRefCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="12" pageNumber="13" type="description">
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<paragraph pageId="12" pageNumber="13">Description.</paragraph>
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<paragraph pageId="12" pageNumber="13">
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Pileus 15-50 mm in diameter, broadly convex, later becoming plane with or without a depressed center and small papilla, smooth, dry, azonate to lightly zoned especially near the margin, pale gray-brown to violet-brown with a whitish glaucous coating when immature, fading in age; margin incurved when young and remaining so or becoming straight in age. Lamellae adnate to subdecurrent, subdistant to crowded, cream to pale pinkish to pale yellow-orange. Stipe 10-40
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<normalizedToken originalValue="×">x</normalizedToken>
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3-12 mm, equal to slightly clavate, central to eccentric, smooth, dry, buff or pale salmon with a faint glaucous coating at first as in pileus, stuffed, becoming hollow, often white-mycelioid toward the base. Context pale cream. Latex scarce to undetectable, watery, white, unchanging. Odor of coconut. Taste mild to slightly acrid.
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</paragraph>
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<paragraph pageId="12" pageNumber="13">
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Basidiospores 7-9
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<normalizedToken originalValue="×">x</normalizedToken>
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5-7
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, Q = 1.2-1.4, broadly ellipsoid to ellipsoid, ornamentation forming an incomplete to nearly complete reticulum. Pleuromacrocystidia 45.5-63.5
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<normalizedToken originalValue="×">x</normalizedToken>
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6.5-7.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, scarce to scattered, subclavate to lanceolate; apex rounded to mucronate. Cheilomacrocystidia 33-66
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<normalizedToken originalValue="×">x</normalizedToken>
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5-9
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, scattered to abundant, cylindrical to subclavate; apex rounded.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="12" pageNumber="13" type="ecology">
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<paragraph pageId="12" pageNumber="13">Ecology and distribution.</paragraph>
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<paragraph pageId="12" pageNumber="13">
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Widespread in the Northern Hemisphere in temperate, boreal, and arctic-alpine areas with
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula" order="Fagales" pageId="12" pageNumber="13" phylum="Tracheophyta" rank="genus">Betula</taxonomicName>
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. In the GYE and elsewhere in the Rocky Mountains, it occurs in subalpine and alpine areas with
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula glandulosa" order="Fagales" pageId="12" pageNumber="13" phylum="Tracheophyta" rank="species" species="glandulosa">Betula glandulosa</taxonomicName>
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and possibly other
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula" order="Fagales" pageId="12" pageNumber="13" phylum="Tracheophyta" rank="genus">Betula</taxonomicName>
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spp., late summer.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="12" pageNumber="13" type="materials_examined">
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<paragraph pageId="12" pageNumber="13">Specimens examined.</paragraph>
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<paragraph pageId="12" pageNumber="13">
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U.S.A. MONTANA: Carbon County, Beartooth Plateau, Birch Site, near
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula glandulosa" order="Fagales" pageId="12" pageNumber="13" phylum="Tracheophyta" rank="species" species="glandulosa">Betula glandulosa</taxonomicName>
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, 29 July 1997, CLC1134 = ZT6096 (MONT); 8 Aug 1998, CLC1217 (MONT); 10 Aug 1999, TWO269 (MONT); 19 Aug 1999, CLC1380 (MONT); 13 Aug 2007, ZT12723 (MONT); Carbon County, Hellroaring Plateau, Hellroaring Creek, near
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula glandulosa" order="Fagales" pageId="12" pageNumber="13" phylum="Tracheophyta" rank="species" species="glandulosa">Betula glandulosa</taxonomicName>
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, 9 Aug 2015, EB111-15 (MONT). WYOMING: Park County, Beartooth Plateau, Island Lake, near
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula glandulosa" order="Fagales" pageId="12" pageNumber="13" phylum="Tracheophyta" rank="species" species="glandulosa">Betula glandulosa</taxonomicName>
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, 6 Sept 2015, EB160-15 (MONT).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="12" pageNumber="13" type="discussion">
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<paragraph pageId="12" pageNumber="13">Discussion.</paragraph>
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<paragraph pageId="12" pageNumber="13">
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius glyciosmus" order="Russulales" pageId="12" pageNumber="13" phylum="Basidiomycota" rank="species" species="glyciosmus">Lactarius glyciosmus</taxonomicName>
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is very closely related to
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius mammosus" order="Russulales" pageId="12" pageNumber="13" phylum="Basidiomycota" rank="species" species="mammosus">Lactarius mammosus</taxonomicName>
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Fr. (Figure 2A), however, the latter has a browner pileus, stouter stature, and ecology with
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<taxonomicName class="Agaricomycetes" family="Pinaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius" order="Russulales" pageId="12" pageNumber="13" phylum="Basidiomycota" rank="family">Pinaceae</taxonomicName>
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(although it has been reported with
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula" order="Fagales" pageId="12" pageNumber="13" phylum="Tracheophyta" rank="genus">Betula</taxonomicName>
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) (
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<bibRefCitation author="Heilmann-Clausen, J" journalOrPublisher="Danish Mycological Society" pageId="50" pageNumber="51" pagination="1 - 287" title="The genus Lactarius" year="1998">Heilmann-Clausen et al. 1998</bibRefCitation>
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).
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius vietus" order="Russulales" pageId="12" pageNumber="13" phylum="Basidiomycota" rank="species" species="vietus">Lactarius vietus</taxonomicName>
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(Fr.) Fr. has a distinct pale zone near the stipe apex, latex that dries greenish gray, longer pleuromacrocystidia (50-90
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<normalizedToken originalValue="×">x</normalizedToken>
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7-12
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), a mild to slightly fruity odor, and a strongly acrid taste (
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<bibRefCitation author="Heilmann-Clausen, J" journalOrPublisher="Danish Mycological Society" pageId="50" pageNumber="51" pagination="1 - 287" title="The genus Lactarius" year="1998">Heilmann-Clausen et al. 1998</bibRefCitation>
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). The presence of
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius mammosus" order="Russulales" pageId="12" pageNumber="13" phylum="Basidiomycota" rank="species" species="mammosus">Lactarius mammosus</taxonomicName>
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and
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius vietus" order="Russulales" pageId="12" pageNumber="13" phylum="Basidiomycota" rank="species" species="vietus">Lactarius vietus</taxonomicName>
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in the Rocky Mountains is unclear.
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius trivialis" order="Russulales" pageId="12" pageNumber="13" phylum="Basidiomycota" rank="species" species="trivialis">Lactarius trivialis</taxonomicName>
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(Fr.) Fr., which has been reported from the GYE (
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<bibRefCitation author="McKnight, KH" journalOrPublisher="Grand Teton Library and Museum Association" pageId="50" pageNumber="51" pagination="1 - 21" title="Checklist of mushrooms and other fungi of Grand Teton and Yellowstone National Parks" year="1982">McKnight 1982</bibRefCitation>
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), but could not be confirmed, is typically larger with slightly larger basidiospores (7.3-10
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<normalizedToken originalValue="×">x</normalizedToken>
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5.9-7.8
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), more numerous pleuromacrocystidia, and a mild to acidic-fruity odor (
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<bibRefCitation author="Heilmann-Clausen, J" journalOrPublisher="Danish Mycological Society" pageId="50" pageNumber="51" pagination="1 - 287" title="The genus Lactarius" year="1998">Heilmann-Clausen et al. 1998</bibRefCitation>
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).
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius nanus" order="Russulales" pageId="12" pageNumber="13" phylum="Basidiomycota" rank="species" species="nanus">Lactarius nanus</taxonomicName>
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has larger basidiospores (7
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<normalizedToken originalValue="–10.5(–">-10.5(-</normalizedToken>
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12)
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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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), larger and differently shaped pleuromacrocystidia (53
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<normalizedToken originalValue="–96.5(–">-96.5(-</normalizedToken>
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114)
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<normalizedToken originalValue="×">x</normalizedToken>
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6.5-11.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), a mild odor, and associates with
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix" order="Aplousobranchia" pageId="12" pageNumber="13" phylum="Chordata" rank="genus">Salix</taxonomicName>
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.
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</paragraph>
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<caption pageId="12" pageNumber="13">
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<paragraph pageId="12" pageNumber="13">
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Figure 5.
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius glyciosmus" order="Russulales" pageId="12" pageNumber="13" phylum="Basidiomycota" rank="species" species="glyciosmus">Lactarius glyciosmus</taxonomicName>
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. Collection EB111-15 under
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula glandulosa" order="Fagales" pageId="12" pageNumber="13" phylum="Tracheophyta" rank="species" species="glandulosa">Betula glandulosa</taxonomicName>
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, Hellroaring Plateau, Montana, USA. Scale bar: 2 cm. Photo by E. Barge.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |