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<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.59.37966" ID-GBIF-Dataset="f797b4b7-ee94-4078-b363-dee911623801" ID-PMC="PMC6811391" ID-Pensoft-Pub="1314-4049-59-1" ID-Pensoft-UUID="3C86DED6265A5354884EA6A3BE04608B" ID-PubMed="31662618" ModsDocID="1314-4049-59-1" checkinTime="1571298312510" checkinUser="pensoft" docAuthor="Jaklitsch, Walter M. &amp; Voglmayr, Hermann" docDate="2019" docId="663BB86E989B53ACB39321579EE9F1D8" docLanguage="en" docName="MycoKeys 59: 1-26" docOrigin="MycoKeys 59" docSource="http://dx.doi.org/10.3897/mycokeys.59.37966" docTitle="Dendrostoma castaneum Voglmayr &amp; Jaklitsch, comb. nov." docType="treatment" docVersion="4" id="3C86DED6265A5354884EA6A3BE04608B" lastPageNumber="1" masterDocId="3C86DED6265A5354884EA6A3BE04608B" masterDocTitle="European species of Dendrostoma (Diaporthales)" masterLastPageNumber="26" masterPageNumber="1" pageNumber="1" updateTime="1668136325702" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>European species of Dendrostoma (Diaporthales)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Jaklitsch, Walter M.</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Voglmayr, Hermann</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>MycoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2019</mods:date>
<mods:detail type="volume">
<mods:number>59</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>26</mods:end>
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<mods:url>http://dx.doi.org/10.3897/mycokeys.59.37966</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.59.37966</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-4049-59-1</mods:identifier>
<mods:identifier type="Pensoft-UUID">3C86DED6265A5354884EA6A3BE04608B</mods:identifier>
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<treatment ID-GBIF-Taxon="159745189" LSID="urn:lsid:plazi:treatment:663BB86E989B53ACB39321579EE9F1D8" httpUri="http://treatment.plazi.org/id/663BB86E989B53ACB39321579EE9F1D8" lastPageNumber="1" pageId="0" pageNumber="1">
<subSubSection pageId="0" pageNumber="1" type="nomenclature">
<paragraph pageId="0" pageNumber="1">
<taxonomicName LSID="663BB86E-989B-53AC-B393-21579EE9F1D8" authority="(Tul. &amp; C. Tul.) Voglmayr &amp; Jaklitsch" class="Sordariomycetes" family="Erythrogloeaceae" genus="Dendrostoma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dendrostoma castaneum" order="Diaporthales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="castaneum">Dendrostoma castaneum (Tul. &amp; C. Tul.) Voglmayr &amp; Jaklitsch</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="1">comb. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Dendrostoma castaneum. Sexual morph a-d ectostromatic discs and ostioles (in a ostioles breaking through covering layer) e pseudostroma in vertical section f pseudostroma in cross section g peridium in section (in 3 % KOH) h-k asci l-s ascospores a, c-g, j, k, s WU 37030 = D 230 b, n-r WU 37026 h, i, l, m WU 37028 = D 192. Scale bars: 500 mm (a, c, d, f), 200 µm (b, e), 20 µm (g), 5 µm (h-s)." figureDoi="10.3897/mycokeys.59.37966.figure5" httpUri="https://binary.pensoft.net/fig/347172" pageId="0" pageNumber="1" tableDoi="10.3897/mycokeys.59.37966.figure5">Figures 5</figureCitation>
,
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Dendrostoma castaneum (WU 37030 = D 230). Asexual morph a conidioma in face view b conidioma in cross section c, d conidiomata in vertical section e outer upper wall of fertile chamber f wall, short conidiophores and phialides (note violaceous tone) g, h phialides and hyphal conidiophores i-m conidia f-m In 3 % KOH. Scale bars: 300 µm (a-d), 10 µm (e-g), 5 µm (h, i), 3 µm (j-m)." figureDoi="10.3897/mycokeys.59.37966.figure6" httpUri="https://binary.pensoft.net/fig/347173" pageId="0" pageNumber="1" tableDoi="10.3897/mycokeys.59.37966.figure6">6</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="reference_group">
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Sordariomycetes" family="Erythrogloeaceae" genus="Valsa" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Valsa castanea" order="Diaporthales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="castanea">Valsa castanea</taxonomicName>
Tul. &amp; C. Tul., Select. fung. carpol. (Paris) 2: 202 (1863) (Basionym).
</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Sordariomycetes" family="Erythrogloeaceae" genus="Amphiporthe" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Amphiporthe castanea" order="Diaporthales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="castanea">Amphiporthe castanea</taxonomicName>
(Tul. &amp; C. Tul.) M.E. Barr, Mycol. Mem. 7: 142 (1978).
</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Sordariomycetes" family="Erythrogloeaceae" genus="Cryptodiaporthe" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Cryptodiaporthe castanea" order="Diaporthales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="castanea">Cryptodiaporthe castanea</taxonomicName>
(Tul. &amp; C. Tul.) Wehm., Trans. Br. mycol. Soc. 18(4): 284 (1934) [1933].
</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Sordariomycetes" family="Erythrogloeaceae" genus="Diaporthe" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Diaporthe castanea" order="Diaporthales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="castanea">Diaporthe castanea</taxonomicName>
(Tul. &amp; C. Tul.) Sacc., Syll. fung. (
<taxonomicName family="Erythrogloeaceae" higherTaxonomySource="treatment-meta" kingdom="Fungi" lsidName="" order="Diaporthales" pageId="0" pageNumber="1" rank="tribe" tribe="Abellini">Abellini</taxonomicName>
) 1: 624 (1882).
</paragraph>
<paragraph pageId="0" pageNumber="1">
=
<taxonomicName class="Sordariomycetes" family="Erythrogloeaceae" genus="Cryptospora" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Cryptospora leiphaemoides" order="Diaporthales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="leiphaemoides">Cryptospora leiphaemoides</taxonomicName>
Fuckel, Jb. nassau. Ver. Naturk. 25-26: 323 (1871).
</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Sordariomycetes" family="Erythrogloeaceae" genus="Diaporthe" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Diaporthe leiphaemoides" order="Diaporthales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="leiphaemoides">Diaporthe leiphaemoides</taxonomicName>
(Fuckel) Sacc., Syll. fung. (
<taxonomicName family="Erythrogloeaceae" higherTaxonomySource="treatment-meta" kingdom="Fungi" lsidName="" order="Diaporthales" pageId="0" pageNumber="1" rank="tribe" tribe="Abellini">Abellini</taxonomicName>
) 1: 624 (1882).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="diagnosis">
<paragraph pageId="0" pageNumber="1">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Sordariomycetes" genus="Dendrostoma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dendrostoma castaneum" order="Diaporthales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="castaneum">
<emphasis italics="true" pageId="0" pageNumber="1">Dendrostoma castaneum</emphasis>
</taxonomicName>
is recognized by KOH+ purple ostioles, slender ascospores with small drops and subfusiform conidia, and the presence of hyphal conidiophores.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">Description.</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis italics="true" pageId="0" pageNumber="1">Sexual morph</emphasis>
:
<emphasis italics="true" pageId="0" pageNumber="1">pseudostromata</emphasis>
0.8
<normalizedToken originalValue="3(">-3(-</normalizedToken>
5) mm in their widest dimension in cross section, very variable, flat subconical or lenticular, in outline circular, elliptic or elongate, scattered, gregarious or confluent, and forming elongate patches, lifting the periderm slightly and often becoming visible as a dark zone on the bark surface, causing bumps in bark, splitting the periderm.
<emphasis italics="true" pageId="0" pageNumber="1">Ectostromatic discs</emphasis>
0.3-2.7 mm in their widest dimension, often ill-defined and variable, cream, yellowish brown to dark brown, flat, surrounded by bark flaps, first present as a covering layer with ostiolar necks subsequently bursting through it, soon crumbling away.
<emphasis italics="true" pageId="0" pageNumber="1">Ostioles</emphasis>
1-25 per disc, usually arising eccentrically from the perithecial venter, (53
<normalizedToken originalValue=")71125(">-)71-125(-</normalizedToken>
180)
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis italics="true" pageId="0" pageNumber="1">n</emphasis>
= 51) in diameter, bluntly conical or cylindrical with black sides and red, yellowish, or greenish tip, often attenuated to a minute, ca 20-40
<normalizedToken originalValue="µm">µm</normalizedToken>
wide dark centre, in section rounded to angular, sometimes sulcate, variably arranged in the disc, projecting to 0.2 mm, periphysate; red colour of the ostiolar tip turning purple in 3% KOH and yellow in lactic acid.
<emphasis italics="true" pageId="0" pageNumber="1">Entostroma</emphasis>
yellowish to shades of brown, consisting of bark cells and hyaline to yellowish, 1.5-4.5 wide, thin-walled hyphae becoming thicker-walled and forming a pseudoparenchyma in the vicinity of perithecia.
<emphasis italics="true" pageId="0" pageNumber="1">Perithecia</emphasis>
tightly aggregated, (265
<normalizedToken originalValue=")305460(">-)305-460(-</normalizedToken>
600)
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis italics="true" pageId="0" pageNumber="1">n</emphasis>
= 47) in diameter, depressed subglobose to ellipsoid, collapsing upward;
<emphasis italics="true" pageId="0" pageNumber="1">peridium</emphasis>
ca 10-30
<normalizedToken originalValue="µm">µm</normalizedToken>
thick, hyaline, pale olivaceous to brown, in section outside of brown isodiametric to strongly compressed thick-walled cells, inside of compressed and elongated hyaline to brownish cells, in combination (3
<normalizedToken originalValue=")415(">-)4-15(-</normalizedToken>
28)
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis italics="true" pageId="0" pageNumber="1">n</emphasis>
= 57) in diameter.
<emphasis italics="true" pageId="0" pageNumber="1">Paraphyses</emphasis>
absent at maturity.
<emphasis italics="true" pageId="0" pageNumber="1">Asci</emphasis>
(49
<normalizedToken originalValue=")5363(">-)53-63(-</normalizedToken>
65)
<normalizedToken originalValue="×">x</normalizedToken>
(7.8
<normalizedToken originalValue=")8.510.5(">-)8.5-10.5(-</normalizedToken>
12)
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis italics="true" pageId="0" pageNumber="1">n</emphasis>
= 35), narrowly clavate to subfusoid or oblong, floating freely in the centre, thick-walled at the apex containing a minute refractive ring invisible in 3% KOH, containing 4-8 biseriate ascospores.
<emphasis italics="true" pageId="0" pageNumber="1">Ascospores</emphasis>
(11.5
<normalizedToken originalValue=")1418(">-)14-18(-</normalizedToken>
20)
<normalizedToken originalValue="×">x</normalizedToken>
(3
<normalizedToken originalValue=")3.54.5(">-)3.5-4.5(-</normalizedToken>
5.3)
<normalizedToken originalValue="µm">µm</normalizedToken>
, l/w (2.7
<normalizedToken originalValue=")3.54.6(">-)3.5-4.6(-</normalizedToken>
5.4) (
<emphasis italics="true" pageId="0" pageNumber="1">n</emphasis>
= 76), 2-celled, not or slightly constricted at the median or slightly eccentric septum, oblong to inequilaterally ellipsoid, straight to mostly curved, with the upper cell often slightly wider than the lower, broadly rounded at the ends, hyaline, with several minute drops (confluent to 2 larger drops per cell in mounts), smooth, with or without a hyaline, subconical to filiform appendage (2.2
<normalizedToken originalValue=")2.84.5(">-)2.8-4.5(-</normalizedToken>
5.5)
<normalizedToken originalValue="×">x</normalizedToken>
(1.1
<normalizedToken originalValue=")1.31.6(">-)1.3-1.6(-</normalizedToken>
1.8)
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis italics="true" pageId="0" pageNumber="1">n</emphasis>
= 88) at each end invisible in 3% KOH.
</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis italics="true" pageId="0" pageNumber="1">Asexual morph</emphasis>
co-occurring with the sexual morph, acervular, pulvinate, scattered to aggregated, 0.5-2.7 mm in diameter, appearing as superficial discs 0.3-2 mm in diameter, with undulate surface, cream to pale brown and becoming brittle in the centre and nearly black at the periphery and often also indicated as dark zone on the bark surface around the disc; inside consisting of a pale or yellowish brown, loose and brittle central column consisting of pale brown
<emphasis italics="true" pageId="0" pageNumber="1">t. prismatica</emphasis>
and a lateral ring-like, dense, white to distinctly yellow fertile part with even or undulating margin, the latter also raising above the column, outside surrounded by a partly undulating, ca 20-25
<normalizedToken originalValue="µm">µm</normalizedToken>
thick black wall consisting of dark brown
<emphasis italics="true" pageId="0" pageNumber="1">textura angularis</emphasis>
of cells 4-10
<normalizedToken originalValue="µm">µm</normalizedToken>
in diameter at apical and upper peripheral regions, becoming paler downward and being absent at the base and lower sides. Interior of the fertile chambers consisting of isodiametric to elongate hyaline supporting cells and richly and irregularly branched hyphal conidiophores bearing phialides and conidia. Wall, supporting cells and phialides turning dilute violaceous in 3% KOH.
<emphasis italics="true" pageId="0" pageNumber="1">Phialides</emphasis>
arranged on supporting cells in palisades along the walls and on conidiophores, (6
<normalizedToken originalValue=")8.212(">-)8.2-12(-</normalizedToken>
15.3)
<normalizedToken originalValue="×">x</normalizedToken>
(1.7
<normalizedToken originalValue=")2.53.5(">-)2.5-3.5(-</normalizedToken>
5)
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis italics="true" pageId="0" pageNumber="1">n</emphasis>
= 80), repetitive, mostly lageniform, often with long necks; conidia also formed on cylindrical pegs and denticles.
<emphasis italics="true" pageId="0" pageNumber="1">Conidia</emphasis>
(6
<normalizedToken originalValue=")6.78(">-)6.7-8(-</normalizedToken>
8.8)
<normalizedToken originalValue="×">x</normalizedToken>
(2.5
<normalizedToken originalValue=")33.5(">-)3-3.5(-</normalizedToken>
3.7)
<normalizedToken originalValue="µm">µm</normalizedToken>
, l/w (1.7
<normalizedToken originalValue=")2.12.6(">-)2.1-2.6(-</normalizedToken>
3.1) (
<emphasis italics="true" pageId="0" pageNumber="1">n</emphasis>
= 85), subfusiform, subclavate or ellipsoid, scar often distinct, smooth, with few minute drops.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">Culture characteristics.</paragraph>
<paragraph pageId="0" pageNumber="1">On CMD at 16 °C in the dark colony circular, dense, white, covered by white cottony aerial hyphae, partly turning pale apricot, reverse orange, not zonate.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="materials_examined">
<paragraph pageId="0" pageNumber="1">Specimens examined</paragraph>
<paragraph pageId="0" pageNumber="1">
(all on recently detached twigs of
<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Castanea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Castanea sativa" order="Fagales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="sativa">
<emphasis italics="true" pageId="0" pageNumber="1">Castanea sativa</emphasis>
</taxonomicName>
on ground). AUSTRIA, Burgenland, Forchtenstein, Kohlstatt, 13 Feb. 2016, H. Voglmayr (WU 37026); Steiermark, near highway A2 exit Steinberg, grid square 9057/1, 26 Oct. 2000, W. Jaklitsch W.J. 1651 (WU 37027); same locality, soc.
<taxonomicName class="Sordariomycetes" family="Valsaceae" genus="Cytospora" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Cytospora" order="Diaporthales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Cytospora</emphasis>
</taxonomicName>
sp., 3 Nov. 2015, W. Jaklitsch &amp; H. Voglmayr (WU 37028; culture CBS 145803 = D192). ITALY, Sicilia, Etna, above Zafferana Etnea, soc.
<taxonomicName class="Sordariomycetes" family="Valsaceae" genus="Cytospora" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Cytospora" order="Diaporthales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Cytospora</emphasis>
</taxonomicName>
sp. (
<taxonomicName class="Sordariomycetes" family="Valsaceae" genus="Valsa" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Valsa" order="Diaporthales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Valsa</emphasis>
</taxonomicName>
morph), 17 June 2016, H. Voglmayr &amp; W. Jaklitsch (WU 37029; culture D260); Veneto, Selva di Montello, 8 Apr. 2016, H. Voglmayr &amp; W. Jaklitsch (WU 37030; culture D230).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="notes">
<paragraph pageId="0" pageNumber="1">Notes.</paragraph>
<paragraph pageId="0" pageNumber="1">
Sizes of pseudostromata and acervuli strongly depend on twig thickness. Remarkably, red colour of the ostiolar tip, when present, turns purple in 3% KOH and yellow in lactic acid, a feature, which is typical of the
<taxonomicName lsidName="" order="Hypocreales" pageId="0" pageNumber="1" rank="order">Hypocreales</taxonomicName>
and within the
<taxonomicName lsidName="" order="Diaporthales" pageId="0" pageNumber="1" rank="order">Diaporthales</taxonomicName>
otherwise only found in the
<taxonomicName family="Cryphonectriaceae" lsidName="" pageId="0" pageNumber="1" rank="family">Cryphonectriaceae</taxonomicName>
.
</paragraph>
<paragraph pageId="0" pageNumber="1">
So far, confirmed records of
<taxonomicName lsidName="D. castaneum" pageId="0" pageNumber="1" rank="species" species="castaneum">
<emphasis italics="true" pageId="0" pageNumber="1">D. castaneum</emphasis>
</taxonomicName>
are only known from Europe where the species is widely co-occurring with its host,
<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Castanea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Castanea sativa" order="Fagales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="sativa">
<emphasis italics="true" pageId="0" pageNumber="1">Castanea sativa</emphasis>
</taxonomicName>
.
<bibRefCitation author="Kobayashi, T" journalOrPublisher="Bulletin of the Government Forest Experimental Station Meguro" pageId="0" pageNumber="1" pagination="1 - 242" refId="B13" refString="Kobayashi, T, 1970. Taxonomic studies of Japanese Diaporthaceae with special reference to their life-histories. Bulletin of the Government Forest Experimental Station Meguro 226: 1 - 242" title="Taxonomic studies of Japanese Diaporthaceae with special reference to their life-histories." volume="226" year="1970">Kobayashi (1970)</bibRefCitation>
reported and illustrated
<taxonomicName lsidName="D. castaneum" pageId="0" pageNumber="1" rank="species" species="castaneum">
<emphasis italics="true" pageId="0" pageNumber="1">D. castaneum</emphasis>
</taxonomicName>
(as
<taxonomicName class="Sordariomycetes" family="Gnomoniaceae" genus="Cryptodiaporthe" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Cryptodiaporthe castanea" order="Diaporthales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="castanea">
<emphasis italics="true" pageId="0" pageNumber="1">Cryptodiaporthe castanea</emphasis>
</taxonomicName>
) from
<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Castanea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Castanea crenata" order="Fagales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="crenata">
<emphasis italics="true" pageId="0" pageNumber="1">Castanea crenata</emphasis>
</taxonomicName>
and
<taxonomicName lsidName="C. mollissima" pageId="0" pageNumber="1" rank="species" species="mollissima">
<emphasis italics="true" pageId="0" pageNumber="1">C. mollissima</emphasis>
</taxonomicName>
in Japan. However, it is unlikely that these collections are conspecific with the European
<taxonomicName lsidName="D. castaneum" pageId="0" pageNumber="1" rank="species" species="castaneum">
<emphasis italics="true" pageId="0" pageNumber="1">D. castaneum</emphasis>
</taxonomicName>
, considering their different spore shape and hosts. The 1 or 2 large guttules per ascospore cell and the ascospore appendages illustrated in
<bibRefCitation author="Kobayashi, T" journalOrPublisher="Bulletin of the Government Forest Experimental Station Meguro" pageId="0" pageNumber="1" pagination="1 - 242" refId="B13" refString="Kobayashi, T, 1970. Taxonomic studies of Japanese Diaporthaceae with special reference to their life-histories. Bulletin of the Government Forest Experimental Station Meguro 226: 1 - 242" title="Taxonomic studies of Japanese Diaporthaceae with special reference to their life-histories." volume="226" year="1970">Kobayashi (1970</bibRefCitation>
: fig. 32) are similar to
<taxonomicName lsidName="D. atlanticum" pageId="0" pageNumber="1" rank="species" species="atlanticum">
<emphasis italics="true" pageId="0" pageNumber="1">D. atlanticum</emphasis>
</taxonomicName>
rather than to
<taxonomicName lsidName="D. castaneum" pageId="0" pageNumber="1" rank="species" species="castaneum">
<emphasis italics="true" pageId="0" pageNumber="1">D. castaneum</emphasis>
</taxonomicName>
. Remarkably, he also reported and illustrated dimorphic conidia for the Japanese collections, which we also observed in
<taxonomicName lsidName="D. atlanticum" pageId="0" pageNumber="1" rank="species" species="atlanticum">
<emphasis italics="true" pageId="0" pageNumber="1">D. atlanticum</emphasis>
</taxonomicName>
. Considering hosts and distribution, the Japanese collections likely represent one of the species described by
<bibRefCitation DOI="https://doi.org/10.3897/mycokeys.48.31715" author="Jiang, N" journalOrPublisher="MycoKeys" pageId="0" pageNumber="1" pagination="67 - 96" refId="B12" refString="Jiang, N, Fan, X-L, Crous, PW, Tian, C-M, 2019. Species of Dendrostoma (Erythrogloeaceae, Diaporthales) associated with chestnut and oak canker diseases in China. MycoKeys 48: 67 - 96" title="Species of Dendrostoma (Erythrogloeaceae, Diaporthales) associated with chestnut and oak canker diseases in China." url="https://doi.org/10.3897/mycokeys.48.31715" volume="48" year="2019">Jiang et al. (2019)</bibRefCitation>
or an undescribed species.
</paragraph>
<caption doi="10.3897/mycokeys.59.37966.figure5" httpUri="https://binary.pensoft.net/fig/347172" pageId="0" pageNumber="1" start="Figure 5" startId="F5">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 5.</emphasis>
<taxonomicName class="Sordariomycetes" genus="Dendrostoma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dendrostoma castaneum" order="Diaporthales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="castaneum">
<emphasis italics="true" pageId="0" pageNumber="1">Dendrostoma castaneum</emphasis>
</taxonomicName>
. Sexual morph
<emphasis bold="true" pageId="0" pageNumber="1">
<normalizedToken originalValue="ad">a-d</normalizedToken>
</emphasis>
ectostromatic discs and ostioles (in a ostioles breaking through covering layer)
<emphasis bold="true" pageId="0" pageNumber="1">e</emphasis>
pseudostroma in vertical section
<emphasis bold="true" pageId="0" pageNumber="1">f</emphasis>
pseudostroma in cross section
<emphasis bold="true" pageId="0" pageNumber="1">g</emphasis>
peridium in section (in 3% KOH)
<emphasis bold="true" pageId="0" pageNumber="1">
<normalizedToken originalValue="hk">h-k</normalizedToken>
</emphasis>
asci
<emphasis bold="true" pageId="0" pageNumber="1">
<normalizedToken originalValue="ls">l-s</normalizedToken>
</emphasis>
ascospores
<emphasis bold="true" pageId="0" pageNumber="1">
a,
<normalizedToken originalValue="cg">c-g</normalizedToken>
, j, k, s
</emphasis>
WU 37030 = D230
<emphasis bold="true" pageId="0" pageNumber="1">
b,
<normalizedToken originalValue="nr">n-r</normalizedToken>
</emphasis>
WU 37026
<emphasis bold="true" pageId="0" pageNumber="1">h, i, l, m</emphasis>
WU 37028 = D192. Scale bars: 500 mm (
<emphasis bold="true" pageId="0" pageNumber="1">a, c, d, f</emphasis>
), 200
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="1">b, e</emphasis>
), 20
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="1">g</emphasis>
), 5
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="1">
<normalizedToken originalValue="hs">h-s</normalizedToken>
</emphasis>
).
</paragraph>
</caption>
<caption doi="10.3897/mycokeys.59.37966.figure6" httpUri="https://binary.pensoft.net/fig/347173" pageId="0" pageNumber="1" start="Figure 6" startId="F6">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 6.</emphasis>
<taxonomicName class="Sordariomycetes" genus="Dendrostoma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Dendrostoma castaneum" order="Diaporthales" pageId="0" pageNumber="1" phylum="Ascomycota" rank="species" species="castaneum">
<emphasis italics="true" pageId="0" pageNumber="1">Dendrostoma castaneum</emphasis>
</taxonomicName>
(WU 37030 = D230). Asexual morph
<emphasis bold="true" pageId="0" pageNumber="1">a</emphasis>
conidioma in face view
<emphasis bold="true" pageId="0" pageNumber="1">b</emphasis>
conidioma in cross section
<emphasis bold="true" pageId="0" pageNumber="1">c, d</emphasis>
conidiomata in vertical section
<emphasis bold="true" pageId="0" pageNumber="1">e</emphasis>
outer upper wall of fertile chamber
<emphasis bold="true" pageId="0" pageNumber="1">f</emphasis>
wall, short conidiophores and phialides (note violaceous tone)
<emphasis bold="true" pageId="0" pageNumber="1">g, h</emphasis>
phialides and hyphal conidiophores
<emphasis bold="true" pageId="0" pageNumber="1">
<normalizedToken originalValue="im">i-m</normalizedToken>
</emphasis>
conidia
<emphasis bold="true" pageId="0" pageNumber="1">
<normalizedToken originalValue="fm">f-m</normalizedToken>
</emphasis>
In 3% KOH. Scale bars: 300
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="1">
<normalizedToken originalValue="ad">a-d</normalizedToken>
</emphasis>
), 10
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="1">
<normalizedToken originalValue="eg">e-g</normalizedToken>
</emphasis>
), 5
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="1">h, i</emphasis>
), 3
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="1">
<normalizedToken originalValue="jm">j-m</normalizedToken>
</emphasis>
).
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>