181 lines
15 KiB
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181 lines
15 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="127873147" 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="0FA1BBD27AE78E782523F4F0E7F9CE2C" docLanguage="en" docName="MycoKeys 15: 1-58" docOrigin="MycoKeys 15" docSource="http://dx.doi.org/10.3897/mycokeys.15.9587" docTitle="Lactarius zonarius var. riparius Hesler & A. H. Sm." docType="treatment" docVersion="3" lastPageId="30" lastPageNumber="31" 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="28" pageNumber="29" 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="127873147" LSID="urn:lsid:plazi:treatment:0FA1BBD27AE78E782523F4F0E7F9CE2C" httpUri="http://treatment.plazi.org/id/0FA1BBD27AE78E782523F4F0E7F9CE2C" lastPageId="30" lastPageNumber="31" pageId="28" pageNumber="29">
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<subSubSection pageId="28" pageNumber="29" type="multiple">
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<paragraph pageId="28" pageNumber="29">Taxon classification Fungi Russulales Russulaceae</paragraph>
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</subSubSection>
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<subSubSection pageId="28" pageNumber="29" type="nomenclature">
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<paragraph pageId="28" pageNumber="29">
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14.
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<taxonomicName authority="Hesler & A. H. Sm." class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" infraspecific-rank="v." kingdom="Fungi" lsidName="Lactarius zonarius var. riparius" order="Russulales" pageId="28" pageNumber="29" phylum="Basidiomycota" rank="variety" species="zonarius" variety="riparius">Lactarius zonarius v. riparius Hesler & A.H. Sm.</taxonomicName>
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Figure 16
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="30" lastPageNumber="31" pageId="29" pageNumber="30" type="description">
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<paragraph pageId="29" pageNumber="30">
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<pageBreakToken pageId="29" pageNumber="30" start="start">Description</pageBreakToken>
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.
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</paragraph>
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<paragraph lastPageId="30" lastPageNumber="31" pageId="29" pageNumber="30">
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Pileus 50-80 mm in diameter,
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<normalizedToken originalValue="depressed–convex">depressed-convex</normalizedToken>
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to broadly infundibuliform, viscid to dry, smooth to
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<normalizedToken originalValue="±">+/-</normalizedToken>
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<normalizedToken originalValue="matted–tomentose">matted-tomentose</normalizedToken>
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toward the margin, zonate to faintly zonate,
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<normalizedToken originalValue="yellow–brown">yellow-brown</normalizedToken>
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to
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<normalizedToken originalValue="orange–brown">orange-brown</normalizedToken>
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,
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<normalizedToken originalValue="±">+/-</normalizedToken>
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lighter toward the margin; margin incurved and
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<normalizedToken originalValue="matted–tomentose">matted-tomentose</normalizedToken>
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to
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<normalizedToken originalValue="cottony–tomentose">cottony-tomentose</normalizedToken>
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when young, becoming straight and glabrous in age. Lamellae subdecurrent to decurrent, crowded, cream, staining brownish where damaged. Stipe 20-40
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<normalizedToken originalValue="×">x</normalizedToken>
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15-25 mm, equal to tapering toward the base, smooth,
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<pageBreakToken pageId="30" pageNumber="31" start="start">dry</pageBreakToken>
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, cream,
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<normalizedToken originalValue="±">+/-</normalizedToken>
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with small pale brown scrobicules. Context very firm, cream. Latex white, unchanging, staining lamellae brownish. Odor sweet, fruity. Taste slowly acrid.
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</paragraph>
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<paragraph pageId="30" pageNumber="31">
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Basidiospores 7-9
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<normalizedToken originalValue="×">x</normalizedToken>
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5.5-7.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, Q = 1.2-1.4, broadly ellipsoid to ellipsoid; ornamentation forming a highly broken reticulum. Pleuromacrocystidia 40-66
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<normalizedToken originalValue="×">x</normalizedToken>
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4.5-7.4
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, scarce to scattered, narrowly subfusiform to fusiform; apex acute to moniliform. Cheilomacrocystidia 25-49
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<normalizedToken originalValue="×">x</normalizedToken>
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4.5-5.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, numerous, narrowly subfusiform to fusiform; apex acute to moniliform.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="30" pageNumber="31" type="ecology">
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<paragraph pageId="30" pageNumber="31">Ecology and distribution.</paragraph>
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<paragraph pageId="30" pageNumber="31">
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Originally described and reported from rich wet humus along small streams in hardwood forests in Michigan. There are very few subsequent reports. In the GYE, it occurs in rich, moist riparian areas with
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<taxonomicName class="Magnoliopsida" family="Salicaceae" genus="Populus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Populus trichocarpa" order="Malpighiales" pageId="30" pageNumber="31" phylum="Tracheophyta" rank="species" species="trichocarpa">Populus trichocarpa</taxonomicName>
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, summer to fall.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="30" pageNumber="31" type="materials_examined">
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<paragraph pageId="30" pageNumber="31">Specimens examined.</paragraph>
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<paragraph pageId="30" pageNumber="31">
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U.S.A. MONTANA: Gallatin County, Bozeman, along Sourdough Creek, under
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<taxonomicName class="Magnoliopsida" family="Salicaceae" genus="Populus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Populus trichocarpa" order="Malpighiales" pageId="30" pageNumber="31" phylum="Tracheophyta" rank="species" species="trichocarpa">Populus trichocarpa</taxonomicName>
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, 2013, CLC2933 (MONT).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="30" pageNumber="31" type="discussion">
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<paragraph pageId="30" pageNumber="31">Discussion.</paragraph>
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<paragraph pageId="30" pageNumber="31">
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Molecularly, this taxon is very close to the European
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius evosmus" order="Russulales" pageId="30" pageNumber="31" phylum="Basidiomycota" rank="species" species="evosmus">Lactarius evosmus</taxonomicName>
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<normalizedToken originalValue="Kühner">Kuehner</normalizedToken>
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& Romagn. (Figure 2B), which also associates with
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<taxonomicName class="Magnoliopsida" family="Salicaceae" genus="Populus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Populus" order="Malpighiales" pageId="30" pageNumber="31" phylum="Tracheophyta" rank="genus">Populus</taxonomicName>
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, as well as
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="30" pageNumber="31" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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, and occasionally
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<taxonomicName class="Ascidiacea" family="Polycitoridae" genus="Salix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Salix" order="Aplousobranchia" pageId="30" pageNumber="31" phylum="Chordata" rank="genus">Salix</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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). It is also close to but distinct from the European
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius zonarius" order="Russulales" pageId="30" pageNumber="31" phylum="Basidiomycota" rank="species" species="zonarius">Lactarius zonarius</taxonomicName>
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(Figure 2B). Neither
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius evosmus" order="Russulales" pageId="30" pageNumber="31" phylum="Basidiomycota" rank="species" species="evosmus">Lactarius evosmus</taxonomicName>
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or
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius zonarius" order="Russulales" pageId="30" pageNumber="31" phylum="Basidiomycota" rank="species" species="zonarius">Lactarius zonarius</taxonomicName>
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feature a bearded pileus margin at any point in sporocarp development.
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" infraspecific-rank="v." kingdom="Fungi" lsidName="Lactarius zonarius var. riparius" order="Russulales" pageId="30" pageNumber="31" phylum="Basidiomycota" rank="variety" species="zonarius" variety="riparius">Lactarius zonarius v. riparius</taxonomicName>
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will likely need to be given species level status and a new name, although this hinges on examination of type material.
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</paragraph>
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<paragraph pageId="30" pageNumber="31">
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Similar taxa in western North America include
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius sanmiguelensis" order="Russulales" pageId="30" pageNumber="31" phylum="Basidiomycota" rank="species" species="sanmiguelensis">Lactarius sanmiguelensis</taxonomicName>
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Hesler & A.H. Sm., described from under cottonwood in southwestern Colorado that has a pileus with
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<normalizedToken originalValue="cinnamon–buff">cinnamon-buff</normalizedToken>
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zones on a pinkish buff ground color, the role of felt along the margin is pinkish buff, it does not have a distinctive odor, it is instantly and very strongly acrid, the lamellae are strongly anastomosed, pinkish buff, and do not discolor where injured, and the stipe is longer and pale pinkish buff (
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<bibRefCitation author="Hesler, LR" journalOrPublisher="University of Michigan Press" pageId="50" pageNumber="51" pagination="1 - 841" title="North American species of Lactarius" year="1979">Hesler and Smith 1979</bibRefCitation>
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).
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<bibRefCitation author="Bessette, AE" journalOrPublisher="Syracuse University Press" pageId="49" pageNumber="50" pagination="1 - 297" title="Milk mushrooms of North America: A field identification guide to the genus Lactarius" year="2009">Bessette et al. (2009)</bibRefCitation>
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synonymize
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius sanmiguelensis" order="Russulales" pageId="30" pageNumber="31" phylum="Basidiomycota" rank="species" species="sanmiguelensis">Lactarius sanmiguelensis</taxonomicName>
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and
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius subvillosus" order="Russulales" pageId="30" pageNumber="31" phylum="Basidiomycota" rank="species" species="subvillosus">Lactarius subvillosus</taxonomicName>
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Hesler & A.H. Sm., the latter being undoubtedly different from the species described here.
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius pseudodelicatus" order="Russulales" pageId="30" pageNumber="31" phylum="Basidiomycota" rank="species" species="pseudodelicatus">Lactarius pseudodelicatus</taxonomicName>
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is somewhat similar but it has a longer stipe, smaller basidiospores (6-8
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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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), and much larger pleuromacrocystidia (60-100
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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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).
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius psammicola" order="Russulales" pageId="30" pageNumber="31" phylum="Basidiomycota" rank="species" species="psammicola">Lactarius psammicola</taxonomicName>
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A.H. Sm. and
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactarius yazooensis" order="Russulales" pageId="30" pageNumber="31" phylum="Basidiomycota" rank="species" species="yazooensis">Lactarius yazooensis</taxonomicName>
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Hesler & A.H. Sm. are similar species with a more Eastern North American distribution in
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="30" pageNumber="31" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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forests (
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<bibRefCitation author="Hesler, LR" journalOrPublisher="University of Michigan Press" pageId="50" pageNumber="51" pagination="1 - 841" title="North American species of Lactarius" year="1979">Hesler and Smith 1979</bibRefCitation>
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).
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</paragraph>
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<caption pageId="30" pageNumber="31">
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<paragraph pageId="30" pageNumber="31">
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Figure 16.
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactarius" higherTaxonomySource="CoL" infraspecific-rank="v." kingdom="Fungi" lsidName="Lactarius zonarius var. riparius" order="Russulales" pageId="30" pageNumber="31" phylum="Basidiomycota" rank="variety" species="zonarius" variety="riparius">Lactarius zonarius v. riparius</taxonomicName>
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. Collection CLC2933 under
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<taxonomicName class="Magnoliopsida" family="Salicaceae" genus="Populus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Populus trichocarpa" order="Malpighiales" pageId="30" pageNumber="31" phylum="Tracheophyta" rank="species" species="trichocarpa">Populus trichocarpa</taxonomicName>
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, Bozeman, 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> |