177 lines
16 KiB
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177 lines
16 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="127873143" 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="38C33A185C7717E5972FFCCD21082371" docLanguage="en" docName="MycoKeys 15: 1-58" docOrigin="MycoKeys 15" docSource="http://dx.doi.org/10.3897/mycokeys.15.9587" docTitle="Lactarius pallidomarginatus Barge & C. L. Cripps" docType="treatment" docVersion="3" lastPageId="18" lastPageNumber="19" 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="15" pageNumber="16" 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="127873143" LSID="urn:lsid:plazi:treatment:38C33A185C7717E5972FFCCD21082371" httpUri="http://treatment.plazi.org/id/38C33A185C7717E5972FFCCD21082371" lastPageId="18" lastPageNumber="19" pageId="15" pageNumber="16">
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<subSubSection pageId="15" pageNumber="16" type="multiple">
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<paragraph pageId="15" pageNumber="16">Taxon classification Fungi Russulales Russulaceae</paragraph>
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</subSubSection>
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<subSubSection pageId="15" pageNumber="16" type="nomenclature">
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<paragraph pageId="15" pageNumber="16">
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6.
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<taxonomicName authority="Barge & C. L. Cripps" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius pallidomarginatus" order="Russulales" pageId="15" pageNumber="16" phylum="Basidiomycota" rank="species" species="pallidomarginatus">Lactarius pallidomarginatus Barge & C.L. Cripps</taxonomicName>
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Figure 8
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</paragraph>
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</subSubSection>
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<subSubSection pageId="16" pageNumber="17" type="reference_group">
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<paragraph pageId="16" pageNumber="17">
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius pallidomarginatus" order="Russulales" pageId="16" pageNumber="17" phylum="Basidiomycota" rank="species" species="pallidomarginatus">
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<pageBreakToken pageId="16" pageNumber="17" start="start">Lactarius</pageBreakToken>
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pallidomarginatus
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</taxonomicName>
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The following morphological description is from Colorado material which includes the holotype and all are 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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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="17" lastPageNumber="18" pageId="16" pageNumber="17" type="description">
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<paragraph pageId="16" pageNumber="17">Description.</paragraph>
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<paragraph lastPageId="17" lastPageNumber="18" pageId="16" pageNumber="17">
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Pileus 20-50 mm in diameter, convex to broadly convex to plane with or without a depressed center, smooth, subviscid to dry, azonate, blotchy light tan to light brown, developing violet stains, lighter (to cream) toward margin; margin in
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<pageBreakToken pageId="17" pageNumber="18" start="start">curved</pageBreakToken>
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when young, remaining so or becoming nearly straight in age. Lamellae adnate to subdecurrent, subdistant to slightly crowded, white to pale yellow-cream, staining violet where damaged. Stipe 10-40
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<normalizedToken originalValue="×">x</normalizedToken>
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5-10 mm, equal to slightly clavate, smooth, dry, white to cream, staining violet where damaged, hollow. Context white to cream, staining violet where damaged. Latex scarce to undetectable, watery, white, staining tissue violet. Odor mild. Taste mild.
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</paragraph>
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<paragraph pageId="17" pageNumber="18">
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Basidiospores 8-10
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<normalizedToken originalValue="×">x</normalizedToken>
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6.5-8
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, Q = 1.1-1.4, broadly ellipsoid to ellipsoid; ornamentation forming an incomplete to dense reticulum. Pleuromacrocystidia 81.5-112
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<normalizedToken originalValue="×">x</normalizedToken>
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9-10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, scarce to scattered, cylindrical to lanceolate; apex acute to moniliform. Cheilomacrocystidia 48-101.5
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<normalizedToken originalValue="×">x</normalizedToken>
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7.5-13
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, scattered, cylindrical to lanceolate; apex acute to moniliform.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="17" pageNumber="18" type="ecology">
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<paragraph pageId="17" pageNumber="18">Ecology and distribution.</paragraph>
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<paragraph pageId="17" pageNumber="18">
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Known from only a few alpine localities in the central and southern Rocky Mountains with
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix planifolia" order="Aplousobranchia" pageId="17" pageNumber="18" phylum="Chordata" rank="species" species="planifolia">Salix planifolia</taxonomicName>
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and possibly also
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix glauca" order="Aplousobranchia" pageId="17" pageNumber="18" phylum="Chordata" rank="species" species="glauca">Salix glauca</taxonomicName>
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, late summer.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="17" pageNumber="18" type="materials_examined">
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<paragraph pageId="17" pageNumber="18">Specimens examined.</paragraph>
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<paragraph pageId="17" pageNumber="18">
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U.S.A. WYOMING: Sublette County, Wind River Range, Union Peak, near
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix glauca" order="Aplousobranchia" pageId="17" pageNumber="18" phylum="Chordata" rank="species" species="glauca">Salix glauca</taxonomicName>
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, 22 Aug 1994, ZT5229 (MONT).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="18" lastPageNumber="19" pageId="17" pageNumber="18" type="discussion">
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<paragraph pageId="17" pageNumber="18">Discussion.</paragraph>
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<paragraph lastPageId="18" lastPageNumber="19" pageId="17" pageNumber="18">
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This species was recently described (
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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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) from the alpine zone in Southern Colorado with
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix" order="Aplousobranchia" pageId="17" pageNumber="18" phylum="Chordata" rank="genus">Salix</taxonomicName>
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. It is tentatively included here because a collection morphologically matching the type was made by Dr Egon Horak from the Wind
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<pageBreakToken pageId="18" pageNumber="19" start="start">River</pageBreakToken>
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Range of Wyoming (technically in the southern GYE) with
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix glauca" order="Aplousobranchia" pageId="18" pageNumber="19" phylum="Chordata" rank="species" species="glauca">Salix glauca</taxonomicName>
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. Interestingly, out of all of the species examined thus far,
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius pallidomarginatus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="pallidomarginatus">Lactarius pallidomarginatus</taxonomicName>
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appears most closely related to the bright yellow, violet-staining
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix" order="Aplousobranchia" pageId="18" pageNumber="19" phylum="Chordata" rank="genus">Salix</taxonomicName>
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associate
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius aspideus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="aspideus">Lactarius aspideus</taxonomicName>
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(Figure 2A), to which it bares little resemblance.
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</paragraph>
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<paragraph pageId="18" pageNumber="19">
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In the Rocky Mountains,
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius pallidomarginatus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="pallidomarginatus">Lactarius pallidomarginatus</taxonomicName>
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is most easily confused with
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius nanus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="nanus">Lactarius nanus</taxonomicName>
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,
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius glyciosmus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="glyciosmus">Lactarius glyciosmus</taxonomicName>
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,
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius montanus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="montanus">Lactarius montanus</taxonomicName>
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, and
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius brunneoviolaceus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="brunneoviolaceus">Lactarius aff. brunneoviolaceus</taxonomicName>
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. The basidiomes of
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius nanus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="nanus">Lactarius nanus</taxonomicName>
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do not stain violet where damaged and it produces basidiospores with thicker, more jagged ridges, and macrocystidia with more rounded apices (see
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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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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius glyciosmus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="glyciosmus">Lactarius glyciosmus</taxonomicName>
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also does not stain violet where damaged, it has an odor of coconut, slightly smaller 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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), and smaller 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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). The closely related violet-staining
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius montanus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="montanus">Lactarius montanus</taxonomicName>
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produces basidiomes which are typically much more robust and stain green on the stipe and pileus surface with KOH.
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius montanus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="montanus">Lactarius montanus</taxonomicName>
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also has a strongly resinous odor and taste, and is mainly subalpine with conifers. See comments under
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius brunneoviolaceus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="brunneoviolaceus">Lactarius aff. brunneoviolaceus</taxonomicName>
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for features differentiating
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius pallidomarginatus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="pallidomarginatus">Lactarius pallidomarginatus</taxonomicName>
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from that taxon. See
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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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for features differentiating
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius pallidomarginatus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="pallidomarginatus">Lactarius pallidomarginatus</taxonomicName>
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from the European taxon
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius pseudouvidus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="pseudouvidus">Lactarius pseudouvidus</taxonomicName>
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<normalizedToken originalValue="Kühner">Kuehner</normalizedToken>
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.
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</paragraph>
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<caption pageId="18" pageNumber="19">
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<paragraph pageId="18" pageNumber="19">
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Figure 8.
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius pallidomarginatus" order="Russulales" pageId="18" pageNumber="19" phylum="Basidiomycota" rank="species" species="pallidomarginatus">Lactarius pallidomarginatus</taxonomicName>
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. Collection EB0041 under
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix planifolia" order="Aplousobranchia" pageId="18" pageNumber="19" phylum="Chordata" rank="species" species="planifolia">Salix planifolia</taxonomicName>
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, San Juan Mountains, Colorado, 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> |