192 lines
12 KiB
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192 lines
12 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.50.32432" ID-GBIF-Dataset="059c89da-7ae5-4dbb-b876-bd1617110873" ID-PMC="PMC6477855" ID-Pensoft-Pub="1314-4049-50-1" ID-PubMed="31043855" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1314-4049-50-1" ModsDocOrigin="MycoKeys 50" ModsDocTitle="Solving the taxonomic identity of Pseudotomentellatristis s.l. (Thelephorales, Basidiomycota) – a multi-gene phylogeny and taxonomic review, integrating ecological and geographical data" checkinTime="1555333405629" checkinUser="pensoft" docAuthor="Svantesson, Sten, Larsson, Karl-Henrik, Koljalg, Urmas, W. May, Tom, Patrik Cangren,, Henrik Nilsson, R. & Larsson, Ellen" docDate="2019" docId="7C5A07011388C35BD38E2765133706A0" docLanguage="en" docName="MycoKeys 50: 1-77" docOrigin="MycoKeys 50" docSource="http://dx.doi.org/10.3897/mycokeys.50.32432" docTitle="Hypochnus rhacodium Berk. & M. A. Curtis ex Burt, Ann. Missouri Bot. Gard. 13 (3): 322 1926" docType="treatment" docVersion="4" lastPageNumber="55" masterDocId="BF413468CD59FFA53A5DFFC1FF9F272E" masterDocTitle="Solving the taxonomic identity of Pseudotomentellatristis s. l. (Thelephorales, Basidiomycota) - a multi-gene phylogeny and taxonomic review, integrating ecological and geographical data" masterLastPageNumber="77" masterPageNumber="1" pageNumber="53" updateTime="1668136202651" 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>Solving the taxonomic identity of Pseudotomentellatristis s. l. (Thelephorales, Basidiomycota) - a multi-gene phylogeny and taxonomic review, integrating ecological and geographical 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>Svantesson, Sten</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>Larsson, Karl-Henrik</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>Koljalg, Urmas</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>W. May, Tom</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>Patrik Cangren,</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>Henrik Nilsson, R.</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>Larsson, Ellen</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>50</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>77</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.50.32432</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.50.32432</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-50-1</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="156201973" LSID="urn:lsid:plazi:treatment:7C5A07011388C35BD38E2765133706A0" httpUri="http://treatment.plazi.org/id/7C5A07011388C35BD38E2765133706A0" lastPageId="54" lastPageNumber="55" pageId="52" pageNumber="53">
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<subSubSection pageId="52" pageNumber="53" type="nomenclature">
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<paragraph pageId="52" pageNumber="53">
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<taxonomicName authority="Berk. & M. A. Curtis ex Burt, Ann. Missouri Bot. Gard. 13 (3): 322 (1926)." class="Agaricomycetes" family="Thelephoraceae" genus="Hypochnus" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Hypochnus rhacodium" order="Thelephorales" pageId="52" pageNumber="53" phylum="Basidiomycota" rank="species" species="rhacodium">Hypochnus rhacodium Berk. & M.A.Curtis ex Burt, Ann. Missouri Bot. Gard. 13(3): 322 (1926).</taxonomicName>
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Fig. 21
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</paragraph>
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</subSubSection>
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<subSubSection pageId="52" pageNumber="53" type="materials_examined">
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<paragraph pageId="52" pageNumber="53">Type.</paragraph>
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<paragraph pageId="52" pageNumber="53">UNITED STATES OF AMERICA. Pennsylvania: on underside of decaying logs of apparently a frondose species, E. Michener 1435 (syntypes: Mo. Bot. Gard. Herb. 5095 [BPI US0291002]!; FH Curtis Herb. 4061; K Curtis Herb. 4061, designated by E.A. Burt in Ann. Missouri Bot. Gard. 13: 322 (1926)).</paragraph>
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</subSubSection>
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<subSubSection lastPageId="54" lastPageNumber="55" pageId="52" pageNumber="53" type="description">
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<paragraph pageId="52" pageNumber="53">Description.</paragraph>
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<paragraph lastPageId="53" lastPageNumber="54" pageId="52" pageNumber="53">
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Basidiome annual, resupinate, membranaceous, effused. Mature parts continuous, with a hard and rather brittle texture. Hymenium smooth; pale
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<pageBreakToken pageId="53" pageNumber="54" start="start">brown</pageBreakToken>
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to brown with a pink hue. Subiculum loose, fibrous and dark brown with an orange hue. All characters recorded in dried state.
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</paragraph>
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<caption pageId="53" pageNumber="54">
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<paragraph pageId="53" pageNumber="54">
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Figure 21. Micromorphological features of
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<taxonomicName lsidName="H. rhacodium" pageId="53" pageNumber="54" rank="species" species="rhacodium">H. rhacodium</taxonomicName>
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in KOH. Syntype: A, B basidiospores in frontal face C, D in lateral face E subicular hyphae with granulation and F without.
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</paragraph>
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</caption>
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<paragraph pageId="53" pageNumber="54">Hyphal cords lacking, but loose bundles of subicular hyphae sometimes present.</paragraph>
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<paragraph pageId="53" pageNumber="54">
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Hyphal system monomitic, clamp connections and reaction in
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<normalizedToken originalValue="Melzer’s">Melzer's</normalizedToken>
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reagent absent from all hyphae.
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</paragraph>
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<paragraph lastPageId="54" lastPageNumber="55" pageId="53" pageNumber="54">
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Subicular hyphae noticeably long and straight, thick-walled; forming a loose tissue. Individual hyphae (5.6-) 5.7-7.3 (-8.0)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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wide, with a mean width of 6.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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;
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<pageBreakToken pageId="54" pageNumber="55" start="start">pale</pageBreakToken>
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to dark orange brown in both KOH and water, sometimes with granular contents which turn blue green in the presence of air.
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</paragraph>
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<paragraph pageId="54" pageNumber="55">
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Subhymenial hyphae often somewhat sinuous, thin to thick-walled; forming a rather dense tissue. Individual hyphae (3.7-) 3.8-5.3 (-6.1)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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wide, with a mean width of 4.7
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<normalizedToken originalValue="μm">μm</normalizedToken>
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; brown to pale orange brown or pale green in KOH (but not with the blue green reaction present in other species); orange brown to brown in water, with strongly granular contents.
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</paragraph>
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<paragraph pageId="54" pageNumber="55">Encrustation granular, probably amyloid (hard to observe due to the colour); brownish-black in KOH, dark blue green in the presence of air; brownish-black in water; scattered in occurrence on the subicular hyphae.</paragraph>
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<paragraph pageId="54" pageNumber="55">
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Basidia with four slightly curved sterigmata, occasionally two-sterigmate; narrowly clavate or sometimes narrowly clavopedunculate, thin-walled, with one-three slight constrictions. Dimensions: 73-105 (-109)
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<normalizedToken originalValue="×">x</normalizedToken>
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(8.8-) 8.9-10.1 (-11.2)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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; mean dimensions: 94
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<normalizedToken originalValue="×">x</normalizedToken>
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9.6
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<normalizedToken originalValue="μm">μm</normalizedToken>
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. Sterigmata (8.5-) 9.5-12.1 (-12.5)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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long, with a mean length of 10.9
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<normalizedToken originalValue="μm">μm</normalizedToken>
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. Colours and reactions the same as for the subhymenial hyphae.
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</paragraph>
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<paragraph pageId="54" pageNumber="55">Cystidial organs lacking.</paragraph>
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<paragraph pageId="54" pageNumber="55">
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Basidiospores in frontal face generally with a subcircular basic shape and an angular to nodulose or sometimes cross-shaped outline, covered in bi- or trifurcate, sometimes singularly attached, echinuli. Nearly all spores with three-five distinct, rounded to square lobes; abnormally large spores originating from two-sterigmate basidia infrequently occurring. Frontal dimensions: (7.8-) 8.0-9.1 (-9.3)
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<normalizedToken originalValue="×">x</normalizedToken>
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(7.7-) 7.8-8.9 (-9.0)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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; mean dimensions: 8.3
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<normalizedToken originalValue="×">x</normalizedToken>
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8.3
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<normalizedToken originalValue="μm">μm</normalizedToken>
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; Q-value: 0.9-1.1; mean Q-value: 1.0. Echinuli (0.9-) 1.0-1.6 (-1.7)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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long, with a mean length of 1.3
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<normalizedToken originalValue="μm">μm</normalizedToken>
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. Lateral face ellipsoid to ovoid or sometimes subcylindrical, usually with angular edges, sometimes with one-three lobes. Lateral dimensions: (7.9-) 8.2-8.9
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<normalizedToken originalValue="×">x</normalizedToken>
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(5.4-) 5.9-6.8 (-7.0)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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; mean dimensions: 8.5
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<normalizedToken originalValue="×">x</normalizedToken>
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6.3
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<normalizedToken originalValue="μm">μm</normalizedToken>
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; Q-value: 1.2-1.4 (-1.6); mean Q-value: 1.3. Colour in KOH brown to orange brown, in the presence of air with a blue green reaction; in water greenish-orange to orange brown; inamyloid.
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</paragraph>
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<paragraph pageId="54" pageNumber="55">Chlamydospores lacking.</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="habitat">
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<paragraph pageId="54" pageNumber="55">Habitat.</paragraph>
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<paragraph pageId="54" pageNumber="55">
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The only specimen of
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<taxonomicName lsidName="H. rhacodium" pageId="54" pageNumber="55" rank="species" species="rhacodium">H. rhacodium</taxonomicName>
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recorded to date is the type collection, which was collected in Pennsylvania, United States. No further information on habitat or any further locality description is available.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="distribution">
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<paragraph pageId="54" pageNumber="55">Distribution.</paragraph>
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<paragraph pageId="54" pageNumber="55">Basidiome encountered in: the United States.</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="remarks">
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<paragraph pageId="54" pageNumber="55">Remarks.</paragraph>
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<paragraph pageId="54" pageNumber="55">
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The hymenium of
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<taxonomicName lsidName="H. rhacodium" pageId="54" pageNumber="55" rank="species" species="rhacodium">H. rhacodium</taxonomicName>
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is very thick and dense in comparison to all other
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<taxonomicName class="Agaricomycetes" family="Thelephoraceae" genus="Pseudotomentella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Pseudotomentella" order="Thelephorales" pageId="54" pageNumber="55" phylum="Basidiomycota" rank="genus">Pseudotomentella</taxonomicName>
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species. It consists of tightly packed basidia, which are overlapping in length and have a total thickness equalling four-six basidial lengths. All other morphological characters fit well within the
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<taxonomicName lsidName="P. tristis" pageId="54" pageNumber="55" rank="species" species="tristis">P. tristis</taxonomicName>
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group, thus suggesting an abnormal basidiome.
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</paragraph>
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<paragraph pageId="54" pageNumber="55">
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Within the
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<taxonomicName lsidName="P. tristis" pageId="54" pageNumber="55" rank="species" species="tristis">P. tristis</taxonomicName>
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group, the basidiome of
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<taxonomicName lsidName="H. rhacodium" pageId="54" pageNumber="55" rank="species" species="rhacodium">H. rhacodium</taxonomicName>
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can be recognised by its lack of hyphal cords and skeletal hyphae and its hard and brittle texture after drying. This feature makes it unique within the group and the risk for confusion with any other described species should hence be small.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |