193 lines
12 KiB
XML
193 lines
12 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.47.31130" ID-GBIF-Dataset="c1116709-9015-44c4-b306-4149c3f511ff" ID-PMC="PMC6405736" ID-Pensoft-Pub="1314-4049-47-97" ID-PubMed="30858753" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1314-4049-47-97" ModsDocOrigin="MycoKeys 47" ModsDocTitle="Phylogenetic and morphological studies in Xylodon (Hymenochaetales, Basidiomycota) with the addition of four new species" checkinTime="1555333420989" checkinUser="pensoft" docAuthor="Riebesehl, Janett, Yurchenko, Eugene, Nakasone, Karen K. & Langer, Ewald" docDate="2019" docId="37852A492D309FE57A837209E8E36A36" docLanguage="en" docName="MycoKeys 47: 97-137" docOrigin="MycoKeys 47" docSource="http://dx.doi.org/10.3897/mycokeys.47.31130" docTitle="Xylodon filicinus Yurchenko & Riebesehl, sp. nov." docType="treatment" docVersion="4" lastPageNumber="97" masterDocId="FFC93C6FD904FFF0FFD5FFDDFFC45F71" masterDocTitle="Phylogenetic and morphological studies in Xylodon (Hymenochaetales, Basidiomycota) with the addition of four new species" masterLastPageNumber="137" masterPageNumber="97" pageNumber="97" updateTime="1668136171551" 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>Phylogenetic and morphological studies in Xylodon (Hymenochaetales, Basidiomycota) with the addition of four new species</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>Riebesehl, Janett</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>Yurchenko, Eugene</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>Nakasone, Karen K.</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>Langer, Ewald</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>47</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>97</mods:start>
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<mods:end>137</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.47.31130</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.47.31130</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-47-97</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="156202048" LSID="urn:lsid:plazi:treatment:37852A492D309FE57A837209E8E36A36" httpUri="http://treatment.plazi.org/id/37852A492D309FE57A837209E8E36A36" lastPageNumber="97" pageId="0" pageNumber="97">
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<subSubSection pageId="0" pageNumber="97" type="nomenclature">
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<paragraph pageId="0" pageNumber="97">
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<taxonomicName LSID="MB827463" authority="Yurchenko & Riebesehl" class="Agaricomycetes" family="Schizoporaceae" genus="Xylodon" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Xylodon filicinus" order="Hymenochaetales" pageId="0" pageNumber="97" phylum="Basidiomycota" rank="species" species="filicinus">Xylodon filicinus Yurchenko & Riebesehl</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="97">sp. nov.</taxonomicNameLabel>
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Figs 3b, 5
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="97" type="holotype">
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<paragraph pageId="0" pageNumber="97">Holotype.</paragraph>
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<paragraph pageId="0" pageNumber="97">
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TAIWAN, Nantou Co., Xitou (Shitou) Forest Recreation Area, W slope of Phoenix Mt. Range, 1470 m a.s.l.,
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="23.666666">23°40'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="925" value="120.8">120°48'E</geoCoordinate>
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, old-growth sparse broadleaf forest, on dead detached rachis of
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<taxonomicName class="Polypodiopsida" family="Cyatheaceae" genus="Cyathea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cyathea" order="Cyatheales" pageId="0" pageNumber="97" phylum="Tracheophyta" rank="genus">Cyathea</taxonomicName>
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sp., leg. E. Yurchenko, 31 Jul 2011 (field No. 38; MSK-F 12869; isotype in KAS).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="97" type="description">
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<paragraph pageId="0" pageNumber="97">Description.</paragraph>
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<paragraph pageId="0" pageNumber="97">
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Basidiomata effused, white, 2-4 cm in extent, farinaceous or pruinose, very loose or discontinuous, odontioid, 30-55
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick between aculei. Margin thinning out. Aculei conical or subcylindrical, 40-80
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<normalizedToken originalValue="μm">μm</normalizedToken>
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long, 15-45
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<normalizedToken originalValue="μm">μm</normalizedToken>
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diam., peg-like, of loose texture, 8-14/mm. Hyphal system monomitic, hyphae colourless, clamped at all septa. Subicular hyphae in a loose tissue, rarely branched, 2-3
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<normalizedToken originalValue="μm">μm</normalizedToken>
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diam., thin- or slightly thick-walled, loosely encrusted, under the subhymenium with inflations 5-6.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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wide. The largest crystals in subiculum 6-8
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<normalizedToken originalValue="μm">μm</normalizedToken>
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across, aggregated in clusters 15-18
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<normalizedToken originalValue="μm">μm</normalizedToken>
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diam. Subhymenial hyphae moderately branched, partly short-celled and slightly inflated, 2
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<normalizedToken originalValue="–3.5(–">-3.5(-</normalizedToken>
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4)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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diam., lightly encrusted. Projecting hyphae in aculei richly encrusted, 20-45
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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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in encrusted part, with clamped and simple septa, basally thick-walled, then becoming thin-walled, obtuse, sometimes subacute at apex. Cystidia in hymenium thin-walled, lightly encrusted, of three types: (1) subcylindrical, often slightly tapered to apex, numerous, 20-35
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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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; (2) capitate, rare, 26-32
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<normalizedToken originalValue="μm">μm</normalizedToken>
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long, 3-5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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wide at base, 2.5-3
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<normalizedToken originalValue="μm">μm</normalizedToken>
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wide at apex; (3) hyphoid to narrowly ventricose, about 30
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<normalizedToken originalValue="×">x</normalizedToken>
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4.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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. Basidioles ellipsoid, ovoid, clavate, 7.5-18
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<normalizedToken originalValue="×">x</normalizedToken>
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4.5-7.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, more or less encrusted. Basidia utriform, (14
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<normalizedToken originalValue="–)16–">-)16-</normalizedToken>
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20
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<normalizedToken originalValue="×">x</normalizedToken>
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(3.5
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<normalizedToken originalValue="–)4.5–">-)4.5-</normalizedToken>
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5.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, thin-walled, smooth or sparsely encrusted, with four sterigmata 2-6.5
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<normalizedToken originalValue="×">x</normalizedToken>
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1-1.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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. Spores globose to subglobose, 4
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<normalizedToken originalValue="–5(–">-5(-</normalizedToken>
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5.5)
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<normalizedToken originalValue="×">x</normalizedToken>
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(3.7
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<normalizedToken originalValue="–)4–">-)4-</normalizedToken>
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4.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, holotype L = 4.7
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, W = 4.1
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, Q = 1.1-1.2, thin-walled, often with one large oil-like globule, negative in Mz, weakly cyanophilous, with minute apiculus.
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</paragraph>
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<caption pageId="0" pageNumber="97">
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<paragraph pageId="0" pageNumber="97">
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Figure 5. Micromorphology of
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<taxonomicName class="Agaricomycetes" family="Schizoporaceae" genus="Xylodon" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Xylodon filicinus" order="Hymenochaetales" pageId="0" pageNumber="97" phylum="Basidiomycota" rank="species" species="filicinus">Xylodon filicinus</taxonomicName>
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(MSK-F 12369, holotype): A vertical section through basidioma B subicular hyphae C inflations on hyphae in lower subhymenium D crystals from subiculum E portions of hymenium and subhymenium F bundle of encrusted projecting hyphae G separate projecting hyphae H subcylindrical cystidia J capitate cystidia K hyphoid cystidium L basidioles M basidia N basidiospores. Scale bars: 100
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(A); 10
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<normalizedToken originalValue="B–M">B-M</normalizedToken>
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); 5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(N).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="97" type="distribution">
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<paragraph pageId="0" pageNumber="97">Distribution and ecology.</paragraph>
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<paragraph pageId="0" pageNumber="97">From the lower mountainous belt in Taiwan, on dead fern rachises.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="97" type="etymology">
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<paragraph pageId="0" pageNumber="97">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="97">from Latin filix ‒ fern, refers to the occurrence on dead fern rachises.</paragraph>
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<paragraph pageId="0" pageNumber="97">Additional specimen examined. TAIWAN, the same locality and the same substrate as holotype, leg. E. Yurchenko, 31 Jul 2011 (field No. 18; MSK-F 12870; dup. in KAS).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="97" type="remarks">
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<paragraph pageId="0" pageNumber="97">Remarks.</paragraph>
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<paragraph pageId="0" pageNumber="97">
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The distinctive features of this species are the pruinose, minutely odontioid basidiomata, fascicles of richly encrusted projecting hyphae in aculei and the three types of cystidia.
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<taxonomicName class="Agaricomycetes" family="Schizoporaceae" genus="Xylodon" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Xylodon filicinus" order="Hymenochaetales" pageId="0" pageNumber="97" phylum="Basidiomycota" rank="species" species="filicinus">Xylodon filicinus</taxonomicName>
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is morphologically similar to
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<taxonomicName lsidName="X. hyphodontinus" pageId="0" pageNumber="97" rank="species" species="hyphodontinus">X. hyphodontinus</taxonomicName>
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, which differs in having projecting hyphae in the aculei that are straighter with more septa, a denser subhymenium composed of short-celled hyphae, short, ventricose cystidioles and spore walls that are slightly thickened at maturity (see Fig. 6).
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</paragraph>
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<caption pageId="0" pageNumber="97">
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<paragraph pageId="0" pageNumber="97">
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Figure 6. Micromorphology of
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<taxonomicName class="Agaricomycetes" family="Schizoporaceae" genus="Xylodon" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Xylodon hyphodontinus" order="Hymenochaetales" pageId="0" pageNumber="97" phylum="Basidiomycota" rank="species" species="hyphodontinus">Xylodon hyphodontinus</taxonomicName>
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. LIP GG-MAR 15-127: A vertical section through basidioma B subicular hyphae C excerpt of tramal hyphae to hymenium and projecting hyphae D bundle of encrusted aculeal hyphae E encrustation on projecting hypha in water F encrustation on projecting hyphae in 3% KOHG naked projecting hyphal end H variously shaped hyphal ends J capitate cystidia K portion of hymenium and subhymenium L basidioles and cystidioles M basidiospores. LIP GG-MAR 12-238: N basidia. Scale bars: 100
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(A); 10
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<normalizedToken originalValue="B–L">B-L</normalizedToken>
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, N); 5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(M).
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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> |