163 lines
12 KiB
XML
163 lines
12 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.63.49054" ID-GBIF-Dataset="2eec87e8-e8cc-4585-84bb-ac5af39810d1" ID-PMC="PMC7062851" ID-Pensoft-Pub="1314-4049-63-69" ID-Pensoft-UUID="BC2096E6D63D5F5DA23CDFDDD3D63FA9" ID-PubMed="32189978" ModsDocID="1314-4049-63-69" checkinTime="1583231436794" checkinUser="pensoft" docAuthor="Jaklitsch, Walter M. & Voglmayr, Hermann" docDate="2020" docId="B5143FA8EACB57048D5AFBDFCB2A0DEE" docLanguage="en" docName="MycoKeys 63: 69-117" docOrigin="MycoKeys 63" docSource="http://dx.doi.org/10.3897/mycokeys.63.49054" docTitle="Melanconis groenlandica L. Lombard & Crous, in Lombard et al. Persoonia 36: 234 2016" docType="treatment" docVersion="4" id="BC2096E6D63D5F5DA23CDFDDD3D63FA9" lastPageNumber="69" masterDocId="BC2096E6D63D5F5DA23CDFDDD3D63FA9" masterDocTitle="The genus Melanconis (Diaporthales)" masterLastPageNumber="117" masterPageNumber="69" pageNumber="69" updateTime="1668136401704" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>The genus Melanconis (Diaporthales)</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>Jaklitsch, Walter M.</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>Voglmayr, Hermann</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>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>63</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>69</mods:start>
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<mods:end>117</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.63.49054</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.63.49054</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-63-69</mods:identifier>
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<mods:identifier type="Pensoft-UUID">BC2096E6D63D5F5DA23CDFDDD3D63FA9</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="162381283" LSID="urn:lsid:plazi:treatment:B5143FA8EACB57048D5AFBDFCB2A0DEE" httpUri="http://treatment.plazi.org/id/B5143FA8EACB57048D5AFBDFCB2A0DEE" lastPageNumber="69" pageId="0" pageNumber="69">
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<subSubSection pageId="0" pageNumber="69" type="nomenclature">
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<paragraph pageId="0" pageNumber="69">
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<taxonomicName LSID="B5143FA8-EACB-5704-8D5A-FBDFCB2A0DEE" authority="(M. Bohn) L. Lombard & Crous, in Lombard et al. Persoonia 36: 234 (2016)." authorityName="L. Lombard & Crous, in Lombard et al. Persoonia 36: 234" authorityYear="2016" baseAuthorityName="M. Bohn" class="Sordariomycetes" family="Melanconidaceae" genus="Melanconis" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Melanconis groenlandica" order="Diaporthales" pageId="0" pageNumber="69" phylum="Ascomycota" rank="species" species="groenlandica">Melanconis groenlandica (M. Bohn) L. Lombard & Crous, in Lombard et al. Persoonia 36: 234 (2016).</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="69" type="reference_group">
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<paragraph pageId="0" pageNumber="69">
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≡
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<taxonomicName authorityName="M. Bohn" authorityYear="1993" class="Sordariomycetes" family="Melanconidaceae" genus="Myrothecium" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Myrothecium groenlandicum" order="Diaporthales" pageId="0" pageNumber="69" phylum="Ascomycota" rank="species" species="groenlandicum">Myrothecium groenlandicum</taxonomicName>
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M. Bohn, Mycotaxon 46: 336 (1993) (Basionym).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="69" type="type material">
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<paragraph pageId="0" pageNumber="69">Type material.</paragraph>
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<paragraph pageId="0" pageNumber="69">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="69">Holotype</emphasis>
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(not examined): Greenland, Qaqortoq, (isolated from) twigs of
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula nana" order="Fagales" pageId="0" pageNumber="69" phylum="Tracheophyta" rank="species" species="nana">
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<emphasis italics="true" pageId="0" pageNumber="69">Betula nana</emphasis>
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</taxonomicName>
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, July 1991, M. Bohn (C; dried culture UPSC 3416; isotype in UPS; living cultures CBS 116450 = UPSC 3407, UPSC 3416).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="69" type="description">
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<paragraph pageId="0" pageNumber="69">Description</paragraph>
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<paragraph pageId="0" pageNumber="69">
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(after
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<bibRefCitation author="Bohn, M" journalOrPublisher="Mycotaxon" pageId="0" pageNumber="69" pagination="335 - 341" refId="B2" refString="Bohn, M, 1993. Myrothecium groenlandicum sp. nov., a presumed endophytic fungus of Betula nana. Mycotaxon 46: 335 - 341" title="Myrothecium groenlandicum sp. nov., a presumed endophytic fungus of Betula nana." volume="46" year="1993">Bohn 1993</bibRefCitation>
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): Colonies on PDA and MEA 30-33 mm after 10 d (52-62 mm after 20 d), appearing leathery, at first whitish to greyish, later becoming greyish-orange, particularly on MEA; margin superficial, entire on MEA but fimbriate to lobate on PDA; exudate and diffusible pigment absent; reverse greyish-orange, especially at the margin; brownish, thick-walled, chlamydospore-like swollen portions 6-18
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam. present.
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<emphasis italics="true" pageId="0" pageNumber="69">Conidiomata</emphasis>
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appearing after ca. 14 d as dark green pustules of various sizes, irregularly scattered over the colony surface, but sometimes arranged in concentric rings, particularly in old cultures, initially covered by mycelium but becoming almost black and shiny at later stages due to the mass of conidia; conidiomata sporodochial (acervular?), irregular, dark green, up to 2 mm diam., scattered, gregarious or coalescent, composed of a 50-70
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<normalizedToken originalValue="µm">µm</normalizedToken>
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high stroma of
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<emphasis italics="true" pageId="0" pageNumber="69">textura intricata</emphasis>
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and conidiophores. Marginal hyphae and setae absent.
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<emphasis italics="true" pageId="0" pageNumber="69">Conidiophores</emphasis>
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arising from the stroma, branched, septate, yellowish to brownish, ca. 40-75
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<normalizedToken originalValue="µm">µm</normalizedToken>
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<normalizedToken originalValue="×">x</normalizedToken>
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2-4
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<normalizedToken originalValue="µm">µm</normalizedToken>
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.
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<emphasis italics="true" pageId="0" pageNumber="69">Conidiogenous cells</emphasis>
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cylindrical to subulate, 15-25
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<normalizedToken originalValue="×">x</normalizedToken>
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2-3
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, arranged in verticils of 2-4 at the top of the conidiophore, sometimes also intercalary, provided with conspicuous, pigmented collarettes and producing conidia by percurrent growth.
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<emphasis italics="true" pageId="0" pageNumber="69">Conidia</emphasis>
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black and shiny in mass, olivaceous to brownish under the microscope, straight, cylindrical with rounded ends, sometimes slightly narrowing towards the base or apiculate, (9-)10-12(-15)
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<normalizedToken originalValue="×">x</normalizedToken>
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(5-)6(-7)
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, with smooth wall. Teleomorph not formed after 3 months incubation.
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</paragraph>
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<paragraph pageId="0" pageNumber="69">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="69">Culture</emphasis>
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(own observations): Colony on MEA circular, first hyaline, turning and long remaining whitish, with age forming narrow concentric zones with tooth-like margins and turning pale brownish. Odour indistinct to unpleasant.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="69" type="distribution">
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<paragraph pageId="0" pageNumber="69">Distribution and ecology.</paragraph>
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<paragraph pageId="0" pageNumber="69">
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<taxonomicName authorityName="L. Lombard & Crous, in Lombard et al. Persoonia 36: 234" authorityYear="2016" baseAuthorityName="M. Bohn" class="Sordariomycetes" family="Melanconidaceae" genus="Melanconis" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Melanconis groenlandica" order="Diaporthales" pageId="0" pageNumber="69" phylum="Ascomycota" rank="species" species="groenlandica">
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<emphasis italics="true" pageId="0" pageNumber="69">Melanconis groenlandica</emphasis>
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</taxonomicName>
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is known from North America (Greenland, USA) and Japan from
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<taxonomicName authorityName="Regel" authorityYear="1868" class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula maximowicziana" order="Fagales" pageId="0" pageNumber="69" phylum="Tracheophyta" rank="species" species="maximowicziana">
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<emphasis italics="true" pageId="0" pageNumber="69">Betula maximowicziana</emphasis>
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</taxonomicName>
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,
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<taxonomicName lsidName="B. nana" pageId="0" pageNumber="69" rank="species" species="nana">
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<emphasis italics="true" pageId="0" pageNumber="69">B. nana</emphasis>
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</taxonomicName>
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and
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<taxonomicName lsidName="B. papyrifera" pageId="0" pageNumber="69" rank="species" species="papyrifera">
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<emphasis italics="true" pageId="0" pageNumber="69">B. papyrifera</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="69" type="additional collections sequenced">
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<paragraph pageId="0" pageNumber="69">Additional collections sequenced.</paragraph>
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<paragraph pageId="0" pageNumber="69">
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Japan, Hokkaido, Sorachi, Furano, Hokkaido Experimental Forest of Univ. Tokyo, on
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<taxonomicName lsidName="B. maximowicziana" pageId="0" pageNumber="69" rank="species" species="maximowicziana">
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<emphasis italics="true" pageId="0" pageNumber="69">B. maximowicziana</emphasis>
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</taxonomicName>
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, 25 Sep 1964, T. Kobayashi (TFM FPH2478, culture MAFF 410219 = M4-2, ME1). USA: New Hampshire, close to the top of Mount Washington, on
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula" order="Fagales" pageId="0" pageNumber="69" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="69">Betula</emphasis>
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</taxonomicName>
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sp., 28 Jul 2006, L. Mejia (BPI 879597; culture CBS 133339 = LCM 02.02 = ME13); New York, Adirondack High Peaks Region, Marcy Dam, on
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula papyrifera" order="Fagales" pageId="0" pageNumber="69" phylum="Tracheophyta" rank="species" species="papyrifera">
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<emphasis italics="true" pageId="0" pageNumber="69">Betula papyrifera</emphasis>
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</taxonomicName>
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, 2 Jun 2007, L. Mejia (BPI 881485; culture CBS 133341 = LCM191.01 = ME10); ibidem, same host, 9 Jun 2007, L. Mejia (BPI 881515; culture CBS 133340 = LCM 185.01).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="69" type="notes">
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<paragraph pageId="0" pageNumber="69">Note.</paragraph>
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<paragraph pageId="0" pageNumber="69">
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This species was isolated as a putative endophyte from
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<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Betula" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Betula nana" order="Fagales" pageId="0" pageNumber="69" phylum="Tracheophyta" rank="species" species="nana">
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<emphasis italics="true" pageId="0" pageNumber="69">Betula nana</emphasis>
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</taxonomicName>
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and described from MEA and potato dextrose agar as a species of
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<taxonomicName authorityName="Tode" authorityYear="1790" class="Sordariomycetes" family="Melanconidaceae" genus="Myrothecium" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Myrothecium" order="Hypocreales" pageId="0" pageNumber="69" phylum="Ascomycota" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="69">Myrothecium</emphasis>
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</taxonomicName>
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. In our phylogenetic analyses, three isolates from North America and one from Japan grouped with the ex-type isolate of
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<taxonomicName lsidName="M. groenlandica" pageId="0" pageNumber="69" rank="species" species="groenlandica">
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<emphasis italics="true" pageId="0" pageNumber="69">M. groenlandica</emphasis>
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</taxonomicName>
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with high support.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |