192 lines
16 KiB
XML
192 lines
16 KiB
XML
<document id="BD8371DA34D0C98680F5E9AD669BFCDF" 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="5" 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="1732478795134" updateUser="ExternalLinkService">
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<mods:title id="A03FB0AE6E0268D2897B5E6E35F0DE0C">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:namePart id="757632D5C48A15398EC411C1541C8BD5">Svantesson, Sten</mods:namePart>
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<mods:namePart id="20937AE6DD446737F29E94D632C36715">Larsson, Karl-Henrik</mods:namePart>
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<mods:namePart id="B56E283EDE68B20F541B3FF060480776">Koljalg, Urmas</mods:namePart>
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<mods:namePart id="3293D28EF9E8B65C18CCA70B217B3139">W. May, Tom</mods:namePart>
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<mods:namePart id="E8A2189F5BD9C2AD712CC9A564F971F0">Patrik Cangren,</mods:namePart>
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<mods:namePart id="D42357D97A4F04B57844473358681283">Henrik Nilsson, R.</mods:namePart>
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<mods:namePart id="292E9F80686BFC3EE772169E9A2822CD">Larsson, Ellen</mods:namePart>
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<mods:title id="F6784E41D626934B9E0D62F50370B343">MycoKeys</mods:title>
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<mods:date id="E8E04CAD3D53B6A2320AAEDDD02D5471">2019</mods:date>
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<mods:number id="69C4B40B2153F96E87800BE15D02358D">50</mods:number>
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<mods:start id="F25BDD8306B9B0CED2DB316F3E76089B">1</mods:start>
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<mods:url id="30DB959F9060A018CA750603B165AC53">http://dx.doi.org/10.3897/mycokeys.50.32432</mods:url>
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<mods:classification id="742347E7A398B6EEB0959298D9609DD6">journal article</mods:classification>
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<mods:identifier id="0AE1C498DC858A1825F79EC3223B55F5" type="DOI">http://dx.doi.org/10.3897/mycokeys.50.32432</mods:identifier>
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<mods:identifier id="4CF59228B6C69467C395A1067C01A984" type="Pensoft-Pub">1314-4049-50-1</mods:identifier>
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<treatment id="7C5A07011388C35BD38E2765133706A0" 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" scope_order="Thelephorales" scope_phylum="Basidiomycota">
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<subSubSection id="CB90F4A939C7AC3EB3B67B7B182250B0" pageId="52" pageNumber="53" type="nomenclature">
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<paragraph id="C34C8527DB26B8AB392E786FE4AC395C" pageId="52" pageNumber="53">
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<taxonomicName id="D9F4DAA38B3C42E54A4ABAB35072D5CB" 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 id="A06744CF05B67E16EB058E2EBB5F54D1" pageId="52" pageNumber="53" type="materials_examined">
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<paragraph id="E77B101E58C64C68B24DE41041BE64C4" pageId="52" pageNumber="53">Type.</paragraph>
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<paragraph id="98DE5FC90434C1A14330F9266A52DB31" 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 id="E5E0243574B7C96C4461F52A4A60423D" lastPageId="54" lastPageNumber="55" pageId="52" pageNumber="53" type="description">
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<paragraph id="90AD36FB8520FDF0E2E436AC82BA788D" pageId="52" pageNumber="53">Description.</paragraph>
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<paragraph id="189CBA988BFA720F68CB7C3AB46B229B" 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 id="DE98024D4E7CD3203A82E83CB1356E10" 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 id="6E977739D5D2A71907B8F48304DF8C04" pageId="53" pageNumber="54">
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<paragraph id="5B272F9E63B3AC2E3CD1AA90B45B8738" pageId="53" pageNumber="54">
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Figure 21. Micromorphological features of
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<taxonomicName id="58132D6503579EE601F7B58C4FC05B47" 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 id="52DEC6C25C07B538BFF579764DF8528D" pageId="53" pageNumber="54">Hyphal cords lacking, but loose bundles of subicular hyphae sometimes present.</paragraph>
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<paragraph id="644AD89A779CBC2C1D3621153012B361" pageId="53" pageNumber="54">
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Hyphal system monomitic, clamp connections and reaction in
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<normalizedToken id="A1BC9F70B99DE28EBBA1EE61C6B59F91" 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 id="851B617A40F2D48FCEE2C05BD69D1793" 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 id="021A04A06B2E069C360747AEDD65C99B" originalValue="μm">μm</normalizedToken>
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wide, with a mean width of 6.5
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<normalizedToken id="5C9FEFECB2F3BE032178E12780E06E26" originalValue="μm">μm</normalizedToken>
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;
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<pageBreakToken id="522632DE18254FC92E103B1AF24DF1DD" 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 id="6E18ED0FBA8640CB8920C8424FFD06C1" 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 id="AFF020A671EAE7A7A16EA57B4E15A5EE" originalValue="μm">μm</normalizedToken>
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wide, with a mean width of 4.7
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<normalizedToken id="B97E6E1860CB76F16F996897BF5363FF" 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 id="E8B8EB3A4A2629C56364C57D953FBF50" 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 id="3A3EB3C596C1BD47375EE17D94CD09EF" 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 id="B0EC04DD322D892496244A6047C6E460" originalValue="×">x</normalizedToken>
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(8.8-) 8.9-10.1 (-11.2)
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<normalizedToken id="2E02ECAED74F5704E64FA8A45AC00679" originalValue="μm">μm</normalizedToken>
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; mean dimensions: 94
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<normalizedToken id="8A46C09DEA5D73E49F80BE4661D40376" originalValue="×">x</normalizedToken>
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9.6
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<normalizedToken id="94B9E4408D9F225E84D72350AA0F4238" originalValue="μm">μm</normalizedToken>
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. Sterigmata (8.5-) 9.5-12.1 (-12.5)
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<normalizedToken id="881DBEADEBEBCB3AF207F7472011429D" originalValue="μm">μm</normalizedToken>
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long, with a mean length of 10.9
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<normalizedToken id="B95E16DF3C5EBA05AF475BD2EAF5CFDE" 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 id="FFBB61D7A4ED77E28897B1F8D7C92E0C" pageId="54" pageNumber="55">Cystidial organs lacking.</paragraph>
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<paragraph id="E596BD0FB0A8173752080A5E38D237C3" 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 id="3C728105B3B0E0A99550FA7D5FACD5AD" originalValue="×">x</normalizedToken>
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(7.7-) 7.8-8.9 (-9.0)
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<normalizedToken id="6623C82ACDF77D8F98C72AD26C891333" originalValue="μm">μm</normalizedToken>
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; mean dimensions: 8.3
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<normalizedToken id="90DF05102AACCAC5C065157342240703" originalValue="×">x</normalizedToken>
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8.3
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<normalizedToken id="26D94A93BB15016C3B7DCE161617CA39" 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 id="2F254A1598E83440F5501FE7484AC027" originalValue="μm">μm</normalizedToken>
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long, with a mean length of 1.3
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<normalizedToken id="2DA222C30737A6BEC86BECB5509AD9EC" 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 id="CDFDC23956662B01D6F1560119865FBF" originalValue="×">x</normalizedToken>
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(5.4-) 5.9-6.8 (-7.0)
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<normalizedToken id="1016E34BD8404E20E64EFBF4DE34D5E1" originalValue="μm">μm</normalizedToken>
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; mean dimensions: 8.5
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<normalizedToken id="96AC506E75D016F3396353A2F610E8C1" originalValue="×">x</normalizedToken>
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6.3
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<normalizedToken id="8BFB92411AA2F14D0EA6C5CBBB69966F" 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 id="6D20F477283833761E10A844ADEDE085" pageId="54" pageNumber="55">Chlamydospores lacking.</paragraph>
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</subSubSection>
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<subSubSection id="7A3B319F5C5C8059550A0A7C9E41199D" pageId="54" pageNumber="55" type="habitat">
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<paragraph id="D60E78FCE2D47A908F6D87E860A99DC0" pageId="54" pageNumber="55">Habitat.</paragraph>
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<paragraph id="13D98C6BE839869CF885FAFEC0162E80" pageId="54" pageNumber="55">
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The only specimen of
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<taxonomicName id="84D5C4F3EE32C6280EC09700A2CD62BB" 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 id="945E3D285697883345D8D65BD1E4761D" pageId="54" pageNumber="55" type="distribution">
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<paragraph id="3DF38FFFCAD76529862F309EE1D9D93B" pageId="54" pageNumber="55">Distribution.</paragraph>
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<paragraph id="EFB713BE68D6B753118C4BF2B6E3634C" pageId="54" pageNumber="55">Basidiome encountered in: the United States.</paragraph>
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</subSubSection>
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<subSubSection id="E299326082AA6E797DB963607734054F" pageId="54" pageNumber="55" type="remarks">
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<paragraph id="A2E0CEED4FEF2582F5E5D2F7CA0CA93E" pageId="54" pageNumber="55">Remarks.</paragraph>
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<paragraph id="D0A84CDCA28C5F68BB8C2EA2A993BC17" pageId="54" pageNumber="55">
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The hymenium of
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<taxonomicName id="447B6BA0ACE0279CF9FAFFBA9C8695E0" 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 id="8E6C57F9B29644B963BCEE69D448456D" 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 id="06E5FCCC048B02C3783435678BC580E1" 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 id="06B8546A7050625E7DB9E8F83E2FED43" pageId="54" pageNumber="55">
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Within the
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<taxonomicName id="1C62E506FE632F16234319495978721B" 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 id="BBE4C9ABFCC8BA2B5982B66B26037688" 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> |