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<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.81.67785" ID-GBIF-Dataset="c2ed1993-fbdc-4b34-974c-fcc1bcdc8c80" ID-PMC="PMC8213683" ID-Pensoft-Pub="1314-4049-81-1" ID-Pensoft-UUID="D672632A0F1A525A81CADAD8623D67FF" ID-PubMed="34163305" ModsDocID="1314-4049-81-1" checkinTime="1623443205026" checkinUser="pensoft" docAuthor="Reblova, Martina, Nekvindova, Jana &amp; Miller, Andrew N." docDate="2021" docId="1E102A3867F95A338F5D5470F29B2518" docLanguage="en" docName="MycoKeys 81: 1-44" docOrigin="MycoKeys 81" docPubDate="2021-06-11" docSource="http://dx.doi.org/10.3897/mycokeys.81.67785" docTitle="Fuscocatenula Réblová &amp; A. N. Mill. 2021, gen. nov." docType="treatment" docVersion="4" id="D672632A0F1A525A81CADAD8623D67FF" lastPageNumber="1" masterDocId="D672632A0F1A525A81CADAD8623D67FF" masterDocTitle="Phylogeny and taxonomy of Catenularia and similar fungi with catenate conidia" masterLastPageNumber="44" masterPageNumber="1" pageNumber="1" updateTime="1668137208642" updateUser="ExternalLinkService">
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<mods:title>Phylogeny and taxonomy of Catenularia and similar fungi with catenate conidia</mods:title>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Reblova, Martina</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5229-1709</mods:nameIdentifier>
<mods:affiliation>Czech Academy of Sciences, Institute of Botany, Pruhonice 252 43, Czech Republic</mods:affiliation>
<mods:nameIdentifier type="email">martina.reblova@ibot.cas.cz</mods:nameIdentifier>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Nekvindova, Jana</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-2861-5483</mods:nameIdentifier>
<mods:affiliation>Department of Clinical Biochemistry and Diagnostics, University Hospital Hradec Kralove, Hradec Kralove 500 05, Czech Republic</mods:affiliation>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Miller, Andrew N.</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-7300-0069</mods:nameIdentifier>
<mods:affiliation>Illinois Natural History Survey, University of Illinois Urbana-Champaign, Champaign, Illinois 61820, USA</mods:affiliation>
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<mods:date>2021</mods:date>
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<mods:number>2021-06-11</mods:number>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.81.67785</mods:identifier>
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<treatment ID-GBIF-Taxon="182654393" LSID="urn:lsid:plazi:treatment:1E102A3867F95A338F5D5470F29B2518" httpUri="http://treatment.plazi.org/id/1E102A3867F95A338F5D5470F29B2518" lastPageNumber="1" pageId="0" pageNumber="1">
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<taxonomicName LSID="1E102A38-67F9-5A33-8F5D-5470F29B2518" authority="Réblová &amp; A. N. Mill." authorityName="Réblová &amp; A. N. Mill." authorityYear="2021" class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Fuscocatenula" higherTaxonomySource="GBIF" kingdom="Fungi" lsidName="Fuscocatenula" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus" status="gen. nov.">
Fuscocatenula
<normalizedToken originalValue="Réblová">Reblova</normalizedToken>
&amp; A.N. Mill.
</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="1">gen. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="etymology">
<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName authorityName="Distant" authorityYear="1884" class="Insecta" family="Miridae" genus="Fuscus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="Fuscus" order="Hemiptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Fuscus</emphasis>
</taxonomicName>
(L) dark, brown, dusky,
<emphasis italics="true" pageId="0" pageNumber="1">catenula</emphasis>
(L), a little chain, referring to pigmented conidia in chains.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="type species">
<paragraph pageId="0" pageNumber="1">Type species.</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName authorityName="Reblova &amp; A. N. Mill." authorityYear="2021" baseAuthorityName="Z. L. Luo, K. D. Hyde &amp; H. Y. Su" baseAuthorityYear="2021" class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Fuscocatenula" higherTaxonomySource="GBIF" kingdom="Fungi" lsidName="Fuscocatenula submersa" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="submersa">
<emphasis italics="true" pageId="0" pageNumber="1">Fuscocatenula submersa</emphasis>
</taxonomicName>
(Z.L. Luo, K.D. Hyde &amp; H.Y. Su)
<normalizedToken originalValue="Réblová">Reblova</normalizedToken>
&amp; A.N. Mill.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">Description.</paragraph>
<paragraph pageId="0" pageNumber="1">
Colonies effuse, hairy, brown, mycelium partly immersed, partly superficial.
<emphasis bold="true" pageId="0" pageNumber="1">
<emphasis italics="true" pageId="0" pageNumber="1">Anamorph</emphasis>
.
</emphasis>
Conidiophores macronematous, mononematous, solitary, erect, unbranched, brown to dark brown, thick-walled, paler and thinner-walled towards the apex. Conidiogenous cells integrated, terminal, monophialidic, extending percurrently, cylindrical to lageniform, brown; collarettes funnel-shaped, brown. Conidia cuneiform to obovoid, broadly rounded apically, truncate at the base, aseptate, hyaline when young, pale brown at maturity, with protracted maturation, smooth, formed in a basipetal chain.
<emphasis bold="true" pageId="0" pageNumber="1">
<emphasis italics="true" pageId="0" pageNumber="1">Teleomorph</emphasis>
.
</emphasis>
Unknown. (Description partly adapted from
<bibRefCitation DOI="https://doi.org/10.5248/132.621" author="Li, HH" journalOrPublisher="Mycotaxon" pageId="0" pageNumber="1" pagination="621 - 634" refId="B44" refString="Li, HH, Zhang, K, Xia, JW, Wang, JY, Yang, CL, Zhang, XG, 2017. Catenularia variegata sp. nov. from southern China, and a first Chinese record of Xylocladium clautriavii. Mycotaxon 132: 621 - 634, DOI: https://doi.org/10.5248/132.621" title="Catenularia variegata sp. nov. from southern China, and a first Chinese record of Xylocladium clautriavii." url="https://doi.org/10.5248/132.621" volume="132" year="2017">Li et al. 2017</bibRefCitation>
;
<bibRefCitation DOI="https://doi.org/10.1007/s13225-019-00438-1" author="Luo, ZL" journalOrPublisher="Fungal Diversity" pageId="0" pageNumber="1" pagination="451 - 660" refId="B50" refString="Luo, ZL, Hyde, KD, Liu, J-K, Maharachchikumbura, SSN, Rajesh, J, Bao, D-F, Bhat, DJ, Lin, C-G, Li, W-L, Yang, J, Liu, N-G, Lu, Y-Z, Jayawardena, RS, Li, J-F, Su, H-Y, 2019. Freshwater Sordariomycetes. Fungal Diversity 99: 451 - 660, DOI: https://doi.org/10.1007/s13225-019-00438-1" title="Freshwater Sordariomycetes." url="https://doi.org/10.1007/s13225-019-00438-1" volume="99" year="2019">Luo et al. 2019</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="habitat">
<paragraph pageId="0" pageNumber="1">Habitat and geographical distribution.</paragraph>
<paragraph pageId="0" pageNumber="1">Members of the genus are saprobes on decaying plant matter in terrestrial and freshwater environments, known only in Asia in China.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="notes">
<paragraph pageId="0" pageNumber="1">Notes.</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Fuscocatenula" higherTaxonomySource="GBIF" kingdom="Fungi" lsidName="Fuscocatenula" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Fuscocatenula</emphasis>
</taxonomicName>
is proposed as a segregate genus for fungi distantly related from
<taxonomicName class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Catenularia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Catenularia" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Catenularia</emphasis>
</taxonomicName>
(Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. A Phylogenetic analysis of the combined ITS and 28 S sequences of members of the Chaetosphaeriaceae. Species names given in bold are taxonomic novelties; T, E, I, N and P indicate ex-type, ex-epitype, ex-isotype, ex-neotype and ex-paratype strains; * holotype of Chaetosphaeria trianguloconidia; Catenularia cubensis fide Luo et al. (2019). Thickened branches indicate branch support with ML BS = 100 %, PP values = 1.0. Branch support of nodes ≥ 75 % ML BS and ≥ 0.95 PP is indicated above and below branches B phylogenetic analysis of ITS and 28 S of the Chaetosphaeriaceae (continued). For legend refer to (A). Abbreviation: p. p. after a genus name (pro parte)." figureDoi="10.3897/mycokeys.81.67785.figure2" httpUri="https://binary.pensoft.net/fig/554151" pageId="0" pageNumber="1">2</figureCitation>
), although morphologically similar. Conidia of
<taxonomicName class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Fuscocatenula" higherTaxonomySource="GBIF" kingdom="Fungi" lsidName="Fuscocatenula" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Fuscocatenula</emphasis>
</taxonomicName>
are obovoid with a truncate base, lack an angular outline and small, circular, thin-walled pale areas in corners that are present in
<taxonomicName class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Catenularia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Catenularia" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Catenularia</emphasis>
</taxonomicName>
. Conidia have a protracted maturation; at first they are hyaline and only later become pale brown, while still attached in a chain. Sometimes the chain consists of hyaline conidia with only one or a few mature pigmented conidia (
<bibRefCitation DOI="https://doi.org/10.5248/132.621" author="Li, HH" journalOrPublisher="Mycotaxon" pageId="0" pageNumber="1" pagination="621 - 634" refId="B44" refString="Li, HH, Zhang, K, Xia, JW, Wang, JY, Yang, CL, Zhang, XG, 2017. Catenularia variegata sp. nov. from southern China, and a first Chinese record of Xylocladium clautriavii. Mycotaxon 132: 621 - 634, DOI: https://doi.org/10.5248/132.621" title="Catenularia variegata sp. nov. from southern China, and a first Chinese record of Xylocladium clautriavii." url="https://doi.org/10.5248/132.621" volume="132" year="2017">Li et al. 2017</bibRefCitation>
: fig. 1;
<bibRefCitation DOI="https://doi.org/10.1007/s13225-019-00438-1" author="Luo, ZL" journalOrPublisher="Fungal Diversity" pageId="0" pageNumber="1" pagination="451 - 660" refId="B50" refString="Luo, ZL, Hyde, KD, Liu, J-K, Maharachchikumbura, SSN, Rajesh, J, Bao, D-F, Bhat, DJ, Lin, C-G, Li, W-L, Yang, J, Liu, N-G, Lu, Y-Z, Jayawardena, RS, Li, J-F, Su, H-Y, 2019. Freshwater Sordariomycetes. Fungal Diversity 99: 451 - 660, DOI: https://doi.org/10.1007/s13225-019-00438-1" title="Freshwater Sordariomycetes." url="https://doi.org/10.1007/s13225-019-00438-1" volume="99" year="2019">Luo et al. 2019</bibRefCitation>
: fig. 52). In
<taxonomicName class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Catenularia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Catenularia" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Catenularia</emphasis>
</taxonomicName>
, conidia are also hyaline when young but mature soon and when released from the conidiogenous locus they are usually pigmented. Since
<taxonomicName class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Catenularia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Catenularia" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Catenularia</emphasis>
</taxonomicName>
also includes species lacking capitate hyphae, this character alone is not reliable in the distinction of
<taxonomicName class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Fuscocatenula" higherTaxonomySource="GBIF" kingdom="Fungi" lsidName="Fuscocatenula" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Fuscocatenula</emphasis>
</taxonomicName>
from
<taxonomicName class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Catenularia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Catenularia" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Catenularia</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph pageId="0" pageNumber="1">
Two species are accepted in the genus.
<bibRefCitation DOI="https://doi.org/10.5248/132.621" author="Li, HH" journalOrPublisher="Mycotaxon" pageId="0" pageNumber="1" pagination="621 - 634" refId="B44" refString="Li, HH, Zhang, K, Xia, JW, Wang, JY, Yang, CL, Zhang, XG, 2017. Catenularia variegata sp. nov. from southern China, and a first Chinese record of Xylocladium clautriavii. Mycotaxon 132: 621 - 634, DOI: https://doi.org/10.5248/132.621" title="Catenularia variegata sp. nov. from southern China, and a first Chinese record of Xylocladium clautriavii." url="https://doi.org/10.5248/132.621" volume="132" year="2017">Li et al. (2017)</bibRefCitation>
introduced
<taxonomicName authorityName="Réblová &amp; Nekvindová &amp; Miller" authorityYear="2021" baseAuthorityName="Réblová &amp; Nekvindová &amp; Miller" baseAuthorityYear="2021" class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Catenularia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Catenularia variegata" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="variegata">
<emphasis italics="true" pageId="0" pageNumber="1">Catenularia variegata</emphasis>
</taxonomicName>
for a foliicolous species from China and
<bibRefCitation DOI="https://doi.org/10.1007/s13225-019-00438-1" author="Luo, ZL" journalOrPublisher="Fungal Diversity" pageId="0" pageNumber="1" pagination="451 - 660" refId="B50" refString="Luo, ZL, Hyde, KD, Liu, J-K, Maharachchikumbura, SSN, Rajesh, J, Bao, D-F, Bhat, DJ, Lin, C-G, Li, W-L, Yang, J, Liu, N-G, Lu, Y-Z, Jayawardena, RS, Li, J-F, Su, H-Y, 2019. Freshwater Sordariomycetes. Fungal Diversity 99: 451 - 660, DOI: https://doi.org/10.1007/s13225-019-00438-1" title="Freshwater Sordariomycetes." url="https://doi.org/10.1007/s13225-019-00438-1" volume="99" year="2019">Luo et al. (2019)</bibRefCitation>
described
<taxonomicName authorityName="Réblová &amp; Nekvindová &amp; Miller" authorityYear="2021" baseAuthorityName="Réblová &amp; Nekvindová &amp; Miller" baseAuthorityYear="2021" class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Chaetosphaeria" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Chaetosphaeria submersa" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="submersa">
<emphasis italics="true" pageId="0" pageNumber="1">Chaetosphaeria submersa</emphasis>
</taxonomicName>
for a dematiaceous hyphomycete from submerged wood in Thailand. Both species are similar and reminiscent of
<taxonomicName class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Catenularia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Catenularia" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Catenularia</emphasis>
</taxonomicName>
. In the phylogenetic analysis based on ITS-28S sequences, relationship of
<taxonomicName class="Sordariomycetes" family="Chaetosphaeriaceae" higherTaxonomySource="GBIF" kingdom="Fungi" lsidName="Ch. submersa" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="submersa">
<emphasis italics="true" pageId="0" pageNumber="1">Ch. submersa</emphasis>
</taxonomicName>
and
<taxonomicName class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Catenularia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Catenularia" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Catenularia</emphasis>
</taxonomicName>
was not supported. Molecular data of
<taxonomicName lsidName="C. variegata" pageId="0" pageNumber="1" rank="species" species="variegata">
<emphasis italics="true" pageId="0" pageNumber="1">C. variegata</emphasis>
</taxonomicName>
are not available. Based on a detailed comparison of original descriptions and illustrations of both species we conclude that
<taxonomicName lsidName="C. variegata" pageId="0" pageNumber="1" rank="species" species="variegata">
<emphasis italics="true" pageId="0" pageNumber="1">C. variegata</emphasis>
</taxonomicName>
is congeneric with
<taxonomicName class="Sordariomycetes" family="Chaetosphaeriaceae" higherTaxonomySource="GBIF" kingdom="Fungi" lsidName="Ch. submersa" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="submersa">
<emphasis italics="true" pageId="0" pageNumber="1">Ch. submersa</emphasis>
</taxonomicName>
. Therefore,
<taxonomicName lsidName="C. variegata" pageId="0" pageNumber="1" rank="species" species="variegata">
<emphasis italics="true" pageId="0" pageNumber="1">C. variegata</emphasis>
</taxonomicName>
is excluded from
<taxonomicName class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Catenularia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Catenularia" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Catenularia</emphasis>
</taxonomicName>
and both species are transferred to the new genus
<taxonomicName class="Sordariomycetes" family="Chaetosphaeriaceae" genus="Fuscocatenula" higherTaxonomySource="GBIF" kingdom="Fungi" lsidName="Fuscocatenula" order="Chaetosphaeriales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Fuscocatenula</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
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<mods:date>2018</mods:date>
<mods:detail type="volume">
<mods:number>43</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>21</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/mycokeys.43.25090</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.43.25090</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-4049-43-1</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="156202169" LSID="urn:lsid:plazi:treatment:1E1073E900FBCEEF94DD172404D9F733" httpUri="http://treatment.plazi.org/id/1E1073E900FBCEEF94DD172404D9F733" lastPageId="12" lastPageNumber="13" pageId="11" pageNumber="12">
<subSubSection pageId="11" pageNumber="12" type="nomenclature">
<paragraph pageId="11" pageNumber="12">
<taxonomicName authority="Sydow, Ann. Mycol. 10, p. 440, Monograph. Ured. 3, p. 234" class="Pucciniomycetes" family="Raveneliaceae" genus="Ravenelia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Ravenelia evansii" order="Pucciniales" pageId="11" pageNumber="12" phylum="Basidiomycota" rank="species" species="evansii">Ravenelia evansii Sydow, Ann. Mycol. 10, p. 440, Monograph. Ured. 3, p. 234</taxonomicName>
Figure 4J
</paragraph>
</subSubSection>
<subSubSection pageId="11" pageNumber="12" type="reference_group">
<paragraph pageId="11" pageNumber="12">
<taxonomicName class="Pucciniomycetes" family="Raveneliaceae" genus="Ravenelia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Ravenelia evansii" order="Pucciniales" pageId="11" pageNumber="12" phylum="Basidiomycota" rank="species" species="evansii">Ravenelia evansii</taxonomicName>
Sydow, Ann. Mycol. 10, p. 440, Monograph. Ured. 3, p. 234 On
<taxonomicName class="Magnoliopsida" family="Raveneliaceae" genus="Vachellia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Vachellia borleae" order="Pucciniales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="species" species="borleae">Vachellia borleae</taxonomicName>
(Burtt Davy) Kyal. &amp; Boatwr.,
<taxonomicName family="Raveneliaceae" higherTaxonomySource="treatment-meta" kingdom="Fungi" lsidName="V. davyi" order="Pucciniales" pageId="11" pageNumber="12" rank="species" species="davyi">V. davyi</taxonomicName>
(N.E.Br.) Kyal. &amp; Boatwr.,
<taxonomicName family="Raveneliaceae" higherTaxonomySource="treatment-meta" kingdom="Fungi" lsidName="V. exuvialis" order="Pucciniales" pageId="11" pageNumber="12" rank="species" species="exuvialis">V. exuvialis</taxonomicName>
(I. Verd.) Kyal. &amp; Boatwr.,
<taxonomicName family="Raveneliaceae" higherTaxonomySource="treatment-meta" kingdom="Fungi" lsidName="V. hebeclada" order="Pucciniales" pageId="11" pageNumber="12" rank="species" species="hebeclada">V. hebeclada</taxonomicName>
(DC.) Kyal. &amp; Boatwr.,
<taxonomicName family="Raveneliaceae" higherTaxonomySource="treatment-meta" infraspecific-rank="var." kingdom="Fungi" lsidName="V. luederitzii var. retinens" order="Pucciniales" pageId="11" pageNumber="12" rank="variety" species="luederitzii" variety="retinens">V. luederitzii var. retinens</taxonomicName>
(Sim.) (JH Ross &amp; Brenan) Kyal. &amp; Boatwr. and
<taxonomicName family="Raveneliaceae" higherTaxonomySource="treatment-meta" kingdom="Fungi" lsidName="V. swazica" order="Pucciniales" pageId="11" pageNumber="12" rank="species" species="swazica">V. swazica</taxonomicName>
(Burtt Davy) Kyal. &amp; Boatwr. (
<taxonomicName family="Fabaceae" higherTaxonomySource="treatment-meta" kingdom="Fungi" lsidName="Mimosoideae" order="Pucciniales" pageId="11" pageNumber="12" rank="family">Fabaceae</taxonomicName>
:
<taxonomicName family="Raveneliaceae" higherTaxonomySource="treatment-meta" kingdom="Fungi" lsidName="Mimosoideae" order="Pucciniales" pageId="11" pageNumber="12" rank="subfamily" subfamily="Mimosoideae">Mimosoideae</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection pageId="11" pageNumber="12" type="description">
<paragraph pageId="11" pageNumber="12">Emended description.</paragraph>
<paragraph pageId="11" pageNumber="12">
Telia subepidermally erumpent, dark brown to blackish, scattered or in loose groups on the abaxial side of leaflets, sori on the comparatively large leaflets of
<taxonomicName infraspecific-rank="ssp." lsidName="V. robusta" pageId="11" pageNumber="12" rank="subspecies" species="robusta" subspecies="robusta">V. robusta ssp. robusta</taxonomicName>
often forming concentric rings of 2.2-3.3 mm in diameter, single sori (120)230-500(710)
<normalizedToken originalValue="μm">μm</normalizedToken>
in diameter with the largest telia appearing to develop in concentric arranged groups, subcircular to elongated; paraphyses lacking; teliospores circular to subcircular from topview, topside convex to almost hemispherical from lateral view, chestnut brown, (47)74-103(124)
<normalizedToken originalValue="μm">μm</normalizedToken>
in diameter with (3)5-7(8) probasidial cells in a cross-section; single probasidial cells mostly single-layered, sometimes central cells and in rare events single cells two-layered, (16)23-30(39)
<normalizedToken originalValue="μm">μm</normalizedToken>
from lateral view and (11)18-25(34)
<normalizedToken originalValue="μm">μm</normalizedToken>
from top view; each probasidial cell with 3-5(8) spines; cysts hyaline and smooth, uniseriate and each cyst appears to be divided by a faint constriction, of the same number as peripheral probasidial cells, swelling in water but only slightly in lactophenol, pedicels compound, not persisting.
</paragraph>
</subSubSection>
<subSubSection pageId="11" pageNumber="12" type="materials_examined">
<paragraph pageId="11" pageNumber="12">Specimens examined.</paragraph>
<paragraph pageId="11" pageNumber="12">
All specimens examined for the emended species description of
<taxonomicName lsidName="R. evansii" pageId="11" pageNumber="12" rank="species" species="evansii">R. evansii</taxonomicName>
representing new host associations are given in Table 1.
</paragraph>
</subSubSection>
<subSubSection lastPageId="12" lastPageNumber="13" pageId="11" pageNumber="12" type="notes">
<paragraph pageId="11" pageNumber="12">Notes.</paragraph>
<paragraph pageId="11" pageNumber="12">
Rust infections on specimens of
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Vachellia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Vachellia borleae" order="Fabales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="species" species="borleae">Vachellia borleae</taxonomicName>
(ME384, PREM61869),
<taxonomicName lsidName="V. davyi" pageId="11" pageNumber="12" rank="species" species="davyi">V. davyi</taxonomicName>
(PREM61845, PREM61005),
<taxonomicName lsidName="V. exuvialis" pageId="11" pageNumber="12" rank="species" species="exuvialis">V. exuvialis</taxonomicName>
(PREM61876, PREM61868),
<taxonomicName lsidName="V. hebeclada" pageId="11" pageNumber="12" rank="species" species="hebeclada">V. hebeclada</taxonomicName>
(PREM61227),
<taxonomicName infraspecific-rank="var." lsidName="V. luederitzii var. retinens" pageId="11" pageNumber="12" rank="variety" species="luederitzii" variety="retinens">V. luederitzii var. retinens</taxonomicName>
(PREM61846) and
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Vachellia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Vachellia swazica" order="Fabales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="species" species="swazica">Vachellia swazica</taxonomicName>
.(PREM61002, PREM61028, PREM61008) were identified using morphological characters of the teliospores. These generally matched those of
<taxonomicName lsidName="R. evansii" pageId="11" pageNumber="12" rank="species" species="evansii">R. evansii</taxonomicName>
Syd. &amp; P. Syd. given in
<bibRefCitation author="Doidge, E" journalOrPublisher="Bothalia" pageId="13" pageNumber="14" pagination="1 - 228" title="A preliminary study of the South African rust fungi." volume="2" year="1927">Doidge (1927)</bibRefCitation>
and
<bibRefCitation pageId="11" pageNumber="12">Shivas et al. (2013)</bibRefCitation>
and were supported by molecular phylogenetic analyses of nrITS and nrLSU sequence data. These
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Vachellia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Vachellia" order="Fabales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="genus">Vachellia</taxonomicName>
species are reported as new hosts for
<taxonomicName class="Pucciniomycetes" family="Raveneliaceae" genus="Ravenelia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Ravenelia evansii" order="Pucciniales" pageId="11" pageNumber="12" phylum="Basidiomycota" rank="species" species="evansii">Ravenelia evansii</taxonomicName>
. Despite major congruence of teliospore characters, the range of the teliospore diameter observed by our examinations exceeded the size range of 50-80
<normalizedToken originalValue="μm">μm</normalizedToken>
and 63-90
<normalizedToken originalValue="μm">μm</normalizedToken>
given in
<bibRefCitation author="Doidge, E" journalOrPublisher="Bothalia" pageId="13" pageNumber="14" pagination="1 - 228" title="A preliminary study of the South African rust fungi." volume="2" year="1927">Doidge (1927)</bibRefCitation>
and
<bibRefCitation pageId="11" pageNumber="12">Shivas et al. (2013)</bibRefCitation>
, respectively. Furthermore, the occurrence of two-layered probasidial cells is reported here for the first time Figure 4J). Therefore, we present an emended description of the telial stage of
<taxonomicName lsidName="R. evansii" pageId="11" pageNumber="12" rank="species" species="evansii">R. evansii</taxonomicName>
Syd. &amp; P. Syd. emend. Ebinghaus, W. Maier and Begerow.
</paragraph>
<caption pageId="12" pageNumber="13">
<paragraph pageId="12" pageNumber="13">
<pageBreakToken pageId="12" pageNumber="13" start="start">Table</pageBreakToken>
3. Summary of morphological characters and spore sizes of
<taxonomicName class="Pucciniomycetes" family="Raveneliaceae" genus="Ravenelia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Ravenelia evansii" order="Pucciniales" pageId="12" pageNumber="13" phylum="Basidiomycota" rank="species" species="evansii">Ravenelia evansii</taxonomicName>
,
<taxonomicName lsidName="R. macowaniana" pageId="12" pageNumber="13" rank="species" species="macowaniana">R. macowaniana</taxonomicName>
and
<taxonomicName lsidName="R. xanthophloeae" pageId="12" pageNumber="13" rank="species" species="xanthophloeae">R. xanthophloeae</taxonomicName>
. All size measurements are given in
<normalizedToken originalValue="μm">μm</normalizedToken>
, minimum and maximum values in parentheses. †Measurements and observations according to
<bibRefCitation author="Doidge, E" journalOrPublisher="Bothalia" pageId="13" pageNumber="14" pagination="487 - 512" title="South African rust fungi III." url="https://doi.org/10.4102/abc.v3i4.1757" volume="3" year="1939">Doidge (1939)</bibRefCitation>
.
</paragraph>
</caption>
<paragraph pageId="12" pageNumber="13">
<table pageId="12" pageNumber="13">
<tr pageId="12" pageNumber="13">
<th colspan="4" pageId="12" pageNumber="13" rowspan="1">Teliospores</th>
</tr>
<tr pageId="12" pageNumber="13">
<th colspan="1" pageId="12" pageNumber="13" rowspan="1">Diameter</th>
<th colspan="1" pageId="12" pageNumber="13" rowspan="1">Probasidial cell size</th>
<th colspan="1" pageId="12" pageNumber="13" rowspan="1">Ornamentation</th>
<th colspan="1" pageId="12" pageNumber="13" rowspan="1">No. of Cells in diameter</th>
</tr>
<tr pageId="12" pageNumber="13">
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">
<taxonomicName lsidName="R. evansii" pageId="12" pageNumber="13" rank="species" species="evansii">R. evansii</taxonomicName>
</td>
</tr>
<tr pageId="12" pageNumber="13">
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">
<taxonomicName lsidName="R. macowaniana" pageId="12" pageNumber="13" rank="species" species="macowaniana">R. macowaniana</taxonomicName>
</td>
</tr>
<tr pageId="12" pageNumber="13">
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">
<taxonomicName lsidName="R. xanthophloeae" pageId="12" pageNumber="13" rank="species" species="xanthophloeae">R. xanthophloeae</taxonomicName>
</td>
</tr>
<tr pageId="12" pageNumber="13">
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">Aeciospores</td>
<td colspan="3" pageId="12" pageNumber="13" rowspan="1">Urediniospores</td>
</tr>
<tr pageId="12" pageNumber="13">
<td colspan="1" pageId="12" pageNumber="13" rowspan="2">Size</td>
<td colspan="1" pageId="12" pageNumber="13" rowspan="2">Size</td>
<td colspan="2" pageId="12" pageNumber="13" rowspan="1">Germ pores</td>
</tr>
<tr pageId="12" pageNumber="13">
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">Number</td>
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">Arrangement</td>
</tr>
<tr pageId="12" pageNumber="13">
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">
<taxonomicName lsidName="R. evansii" pageId="12" pageNumber="13" rank="species" species="evansii">R. evansii</taxonomicName>
</td>
<td colspan="1" pageId="12" pageNumber="13" rowspan="1"></td>
<td colspan="1" pageId="12" pageNumber="13" rowspan="1"></td>
<td colspan="1" pageId="12" pageNumber="13" rowspan="1"></td>
<td colspan="1" pageId="12" pageNumber="13" rowspan="1"></td>
</tr>
<tr pageId="12" pageNumber="13">
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">
<taxonomicName lsidName="R. macowaniana" pageId="12" pageNumber="13" rank="species" species="macowaniana">R. macowaniana</taxonomicName>
</td>
<td colspan="1" pageId="12" pageNumber="13" rowspan="1"></td>
<td colspan="1" pageId="12" pageNumber="13" rowspan="1"></td>
<td colspan="1" pageId="12" pageNumber="13" rowspan="1"></td>
<td colspan="1" pageId="12" pageNumber="13" rowspan="1"></td>
</tr>
<tr pageId="12" pageNumber="13">
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">
<taxonomicName lsidName="R. xanthophloeae" pageId="12" pageNumber="13" rank="species" species="xanthophloeae">R. xanthophloeae</taxonomicName>
</td>
</tr>
</table>
</paragraph>
</subSubSection>
</treatment>
</document>