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<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.63.49054" ID-GBIF-Dataset="2eec87e8-e8cc-4585-84bb-ac5af39810d1" ID-PMC="PMC7062851" ID-Pensoft-Pub="1314-4049-63-69" ID-Pensoft-UUID="BC2096E6D63D5F5DA23CDFDDD3D63FA9" ID-PubMed="32189978" ModsDocID="1314-4049-63-69" checkinTime="1583231436794" checkinUser="pensoft" docAuthor="Jaklitsch, Walter M. &amp; Voglmayr, Hermann" docDate="2020" docId="A68202E17A055A20949B1D27F9B9545F" docLanguage="en" docName="MycoKeys 63: 69-117" docOrigin="MycoKeys 63" docSource="http://dx.doi.org/10.3897/mycokeys.63.49054" docTitle="Melanconis marginalis subsp. tirolensis Jaklitsch &amp; Voglmayr 2020, subsp. nov." docType="treatment" docVersion="4" id="BC2096E6D63D5F5DA23CDFDDD3D63FA9" lastPageNumber="69" masterDocId="BC2096E6D63D5F5DA23CDFDDD3D63FA9" masterDocTitle="The genus Melanconis (Diaporthales)" masterLastPageNumber="117" masterPageNumber="69" pageNumber="69" updateTime="1668136401704" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>The genus Melanconis (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>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>MycoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2020</mods:date>
<mods:detail type="volume">
<mods:number>63</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>69</mods:start>
<mods:end>117</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/mycokeys.63.49054</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.63.49054</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-4049-63-69</mods:identifier>
<mods:identifier type="Pensoft-UUID">BC2096E6D63D5F5DA23CDFDDD3D63FA9</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="162381284" LSID="urn:lsid:plazi:treatment:A68202E17A055A20949B1D27F9B9545F" httpUri="http://treatment.plazi.org/id/A68202E17A055A20949B1D27F9B9545F" lastPageNumber="69" pageId="0" pageNumber="69">
<subSubSection pageId="0" pageNumber="69" type="nomenclature">
<paragraph pageId="0" pageNumber="69">
<taxonomicName LSID="A68202E1-7A05-5A20-949B-1D27F9B9545F" authority="Jaklitsch &amp; Voglmayr" authorityName="Jaklitsch &amp; Voglmayr" authorityYear="2020" class="Sordariomycetes" family="Melanconidaceae" genus="Melanconis" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Melanconis marginalis subsp. tirolensis" order="Diaporthales" pageId="0" pageNumber="69" phylum="Ascomycota" rank="subSpecies" species="marginalis" status="subsp. nov." subSpecies="tirolensis">Melanconis marginalis subsp. tirolensis Jaklitsch &amp; Voglmayr</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="69">subsp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Melanconis marginalis subsp. tirolensis. Sexual morph a, b pseudostromata with ectostromatic discs c conical ostioles d vertical section showing central column and two perithecia e ectostromatic disc with subglobose ostiolar tips f cross section showing central column, marginal ostioles and upper parts of perithecia g-j asci (compressed in j) k-p ascospores; i, j, o, p in aqueous Congo Red a, c, k-p holotype BPI 872035 b, d-j isotype WU 31892. Scale bars: 500 µm (a, b, d, f), 150 µm (c), 300 µm (e), 10 µm (g-p)." figureDoi="10.3897/mycokeys.63.49054.figure10" httpUri="https://binary.pensoft.net/fig/384820" pageId="0" pageNumber="69">Figures 10</figureCitation>
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Melanconis marginalis subsp. tirolensis (isotype WU 31892). Asexual morph a, b conidiomata showing covering discs in face view c, d conidiomata in cross section (c with β-conidia d with α-conidia) e conidioma with α-conidia in vertical section f-l conidiophores and conidiogenous cells (k, l producing β-conidia) m-r α-conidia s-y β-conidia f-y in 3 % KOH. Scale bars: 500 µm (a-e), 15 µm (f), 10 µm (g-l), 5 µm (m-y)." figureDoi="10.3897/mycokeys.63.49054.figure11" httpUri="https://binary.pensoft.net/fig/384821" pageId="0" pageNumber="69">, 11</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="69" type="diagnosis">
<paragraph pageId="0" pageNumber="69">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="69">
This subspecies differs from
<taxonomicName authorityName="Jaklitsch &amp; Voglmayr" authorityYear="2020" class="Sordariomycetes" family="Melanconidaceae" genus="Melanconis" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Melanconis marginalis subsp. europaea" order="Diaporthales" pageId="0" pageNumber="69" phylum="Ascomycota" rank="subSpecies" species="marginalis" subSpecies="europaea">Melanconis marginalis subsp. europaea</taxonomicName>
and subsp.
<taxonomicName authorityName="subsp. marginalis (Peck) Wehm., Pap. Michigan Acad. I. 6: 382" authorityYear="1926" class="Sordariomycetes" family="Melanconidaceae" genus="Melanconis" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="subsp. marginalis" order="Diaporthales" pageId="0" pageNumber="69" phylum="Ascomycota" rank="subSpecies" species="marginalis" subSpecies="marginalis">marginalis</taxonomicName>
phylogenetically and by slightly larger
<normalizedToken originalValue="α-conidia">α-conidia</normalizedToken>
, asci, ascospores and ascospore appendages.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="69" type="type material">
<paragraph pageId="0" pageNumber="69">Type material.</paragraph>
<paragraph pageId="0" pageNumber="69">
<emphasis bold="true" italics="true" pageId="0" pageNumber="69">Holotype</emphasis>
: Austria, Tirol, Osttirol,
<normalizedToken originalValue="Prägraten">Praegraten</normalizedToken>
am
<normalizedToken originalValue="Großvenediger">Grossvenediger</normalizedToken>
,
<normalizedToken originalValue="Umbalfälle">Umbalfaelle</normalizedToken>
, grid square 8939/4, on
<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Alnus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Alnus alnobetula" order="Fagales" pageId="0" pageNumber="69" phylum="Tracheophyta" rank="species" species="alnobetula">
<emphasis italics="true" pageId="0" pageNumber="69">Alnus alnobetula</emphasis>
</taxonomicName>
, 10 Sep 2001, W. Jaklitsch W.J. 1796 (BPI 872035; ex-type culture CBS 122310 = A.R. 3748 = ME4; part preserved as isotype WU 31892, asexual morph only present in the latter).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="69" type="etymology">
<paragraph pageId="0" pageNumber="69">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="69">Named after its occurrence in Tirol, Austria.</paragraph>
<caption doi="10.3897/mycokeys.63.49054.figure10" httpUri="https://binary.pensoft.net/fig/384820" pageId="0" pageNumber="69" start="Figure 10" startId="F10">
<paragraph pageId="0" pageNumber="69">
<emphasis bold="true" pageId="0" pageNumber="69">Figure 10.</emphasis>
<taxonomicName authorityName="Jaklitsch &amp; Voglmayr" authorityYear="2020" class="Sordariomycetes" family="Melanconidaceae" genus="Melanconis" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Melanconis marginalis subsp. tirolensis" order="Diaporthales" pageId="0" pageNumber="69" phylum="Ascomycota" rank="subSpecies" species="marginalis" subSpecies="tirolensis">Melanconis marginalis subsp. tirolensis</taxonomicName>
. Sexual morph
<emphasis bold="true" pageId="0" pageNumber="69">a, b</emphasis>
pseudostromata with ectostromatic discs
<emphasis bold="true" pageId="0" pageNumber="69">c</emphasis>
conical ostioles
<emphasis bold="true" pageId="0" pageNumber="69">d</emphasis>
vertical section showing central column and two perithecia
<emphasis bold="true" pageId="0" pageNumber="69">e</emphasis>
ectostromatic disc with subglobose ostiolar tips
<emphasis bold="true" pageId="0" pageNumber="69">f</emphasis>
cross section showing central column, marginal ostioles and upper parts of perithecia
<emphasis bold="true" pageId="0" pageNumber="69">g-j</emphasis>
asci (compressed in
<emphasis bold="true" pageId="0" pageNumber="69">j</emphasis>
)
<emphasis bold="true" pageId="0" pageNumber="69">k-p</emphasis>
ascospores;
<emphasis bold="true" pageId="0" pageNumber="69">i, j, o, p</emphasis>
in aqueous Congo Red
<emphasis bold="true" pageId="0" pageNumber="69">a, c, k-p</emphasis>
holotype BPI 872035
<emphasis bold="true" pageId="0" pageNumber="69">b, d-j</emphasis>
isotype WU 31892. Scale bars: 500
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="69">a, b, d, f</emphasis>
), 150
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="69">c</emphasis>
), 300
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="69">e</emphasis>
), 10
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="69">g-p</emphasis>
).
</paragraph>
</caption>
<caption doi="10.3897/mycokeys.63.49054.figure11" httpUri="https://binary.pensoft.net/fig/384821" pageId="0" pageNumber="69" start="Figure 11" startId="F11">
<paragraph pageId="0" pageNumber="69">
<emphasis bold="true" pageId="0" pageNumber="69">Figure 11.</emphasis>
<taxonomicName authorityName="Jaklitsch &amp; Voglmayr" authorityYear="2020" class="Sordariomycetes" family="Melanconidaceae" genus="Melanconis" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Melanconis marginalis subsp. tirolensis" order="Diaporthales" pageId="0" pageNumber="69" phylum="Ascomycota" rank="subSpecies" species="marginalis" subSpecies="tirolensis">Melanconis marginalis subsp. tirolensis</taxonomicName>
(isotype WU 31892). Asexual morph
<emphasis bold="true" pageId="0" pageNumber="69">a, b</emphasis>
conidiomata showing covering discs in face view
<emphasis bold="true" pageId="0" pageNumber="69">c, d</emphasis>
conidiomata in cross section (
<emphasis bold="true" pageId="0" pageNumber="69">c</emphasis>
with
<normalizedToken originalValue="β-conidia">β-conidia</normalizedToken>
<emphasis bold="true" pageId="0" pageNumber="69">d</emphasis>
with
<normalizedToken originalValue="α-conidia">α-conidia</normalizedToken>
)
<emphasis bold="true" pageId="0" pageNumber="69">e</emphasis>
conidioma with
<normalizedToken originalValue="α-conidia">α-conidia</normalizedToken>
in vertical section
<emphasis bold="true" pageId="0" pageNumber="69">f-l</emphasis>
conidiophores and conidiogenous cells (
<emphasis bold="true" pageId="0" pageNumber="69">k, l</emphasis>
producing
<normalizedToken originalValue="β-conidia">β-conidia</normalizedToken>
)
<emphasis bold="true" pageId="0" pageNumber="69">m-r</emphasis>
<normalizedToken originalValue="α-conidia">α-conidia</normalizedToken>
<emphasis bold="true" pageId="0" pageNumber="69">s-y</emphasis>
<normalizedToken originalValue="β-conidia">β-conidia</normalizedToken>
<emphasis bold="true" pageId="0" pageNumber="69">f-y</emphasis>
in 3% KOH. Scale bars: 500
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="69">a-e</emphasis>
), 15
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="69">f</emphasis>
), 10
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="69">g-l</emphasis>
), 5
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="69">m-y</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="69" type="description">
<paragraph pageId="0" pageNumber="69">Description.</paragraph>
<paragraph pageId="0" pageNumber="69">
<emphasis bold="true" italics="true" pageId="0" pageNumber="69">Sexual morph</emphasis>
:
<emphasis italics="true" pageId="0" pageNumber="69">Pseudostromata</emphasis>
1.3-5.5 mm diam., conspicuous and numerous, scattered to aggregated, pulvinate, circular to elliptical in outline, elevated beyond bark surface forming pustules; consisting of an ectostromatic disc and perithecia embedded in an entostroma around a central column.
<emphasis italics="true" pageId="0" pageNumber="69">Ectostromatic discs</emphasis>
0.35-1.55 mm (n = 43) diam. or long, bright white to yellowish, turning brownish with age, mostly fusoid, also elliptic or circular in outline, mostly flat, crumbly, distinctly projecting up to 1.3 mm, including projecting part of the pseudostroma; central column beneath disc white to yellowish, consisting of hyaline hyphae and colourless crystals.
<emphasis italics="true" pageId="0" pageNumber="69">Ostiolar necks</emphasis>
cylindrical, laterally or centrally attached on perithecia, convergent in the disc margin or crowded at the ends of fusoid discs, 1-15 per disc. Visible part of the ostiolar necks (53-)85-180(-240)
<normalizedToken originalValue="µm">µm</normalizedToken>
(n = 56) diam., black, often with olivaceous tips, frequently conical to bristle-like and projecting to 0.4 mm, but also papillate, resembling minute perithecia or discoid with depressed centre.
<emphasis italics="true" pageId="0" pageNumber="69">Entostroma</emphasis>
bark coloured, not or only slightly paler than the surrounding bark, consisting of bark cells and some light-coloured hyphae.
<emphasis italics="true" pageId="0" pageNumber="69">Perithecia</emphasis>
(510-)570-780(-900)
<normalizedToken originalValue="µm">µm</normalizedToken>
(n = 36) diam., arranged in valsoid configuration around and below central column, globose to subglobose, collapsing up- or laterally inwards upon drying. Peridium pseudoparenchymatous, consisting of a dark brown small-celled outer and a hyaline to brownish, large-celled inner layer.
<emphasis italics="true" pageId="0" pageNumber="69">Hamathecium</emphasis>
absent at maturity.
<emphasis italics="true" pageId="0" pageNumber="69">Asci</emphasis>
floating free at maturity, (74-)86-102(-115)
<normalizedToken originalValue="×">x</normalizedToken>
(11.3-)13-20(-25)
<normalizedToken originalValue="µm">µm</normalizedToken>
(n = 61), fusoid to oblong or clavate, short-stipitate prior to full maturation, with an apical ring distinct in water and staining in Congo Red, but invisible or indistinct in 3% KOH, containing 8 biseriate or obliquely uniseriate ascospores.
<emphasis italics="true" pageId="0" pageNumber="69">Ascospores</emphasis>
(15.8-)17.8-21.2(-24)
<normalizedToken originalValue="×">x</normalizedToken>
(4.5-)5.5-7(-8)
<normalizedToken originalValue="µm">µm</normalizedToken>
, l/w (2.5-)2.8-3.5(-4) (n = 123), hyaline, turning pale brown with age, oblong to ellipsoid, symmetric to slightly inequilateral with nearly equal cells, slightly or strongly constricted at the median septum, multiguttulate or with 1-2 large and several small guttules when fresh, with a short and broad, rounded, parabolic or vesicular, sometimes tapering but typically terminally broadly truncate appendage (2-)3.8-6.2(-9.5)
<normalizedToken originalValue="×">x</normalizedToken>
(3-)4-5.7(-7.2)
<normalizedToken originalValue="µm">µm</normalizedToken>
, l/w (0.4-)0.8-1.4(-2) (n = 104) at each end, after release becoming invisible in 3% KOH, but partly persistent in Congo Red.
</paragraph>
<paragraph pageId="0" pageNumber="69">
<emphasis bold="true" italics="true" pageId="0" pageNumber="69">Asexual morph</emphasis>
acervular, intermingled with pseudostromata of the sexual morph or developing separately, inconspicuous. First white to yellowish tissue (central column) forming within the bark, becoming visible by slightly pustulate bark and narrow whitish to yellowish discs emerging through bark cracks, usually first followed by the production of
<normalizedToken originalValue="β-conidia">β-conidia</normalizedToken>
in olivaceous chambers and later
<normalizedToken originalValue="α-conidia">α-conidia</normalizedToken>
or both more or less simultaneously on the same or similar conidiophores, chambers fusing into a single locule, turning brown and dark conidial patches 0.5-1.5 mm diam. or perithecia of the sexual morph forming.
<emphasis italics="true" pageId="0" pageNumber="69">Conidiomata</emphasis>
1.2-3.2 mm diam., pulvinate, more or less circular in outline, scattered or crowded.
<emphasis italics="true" pageId="0" pageNumber="69">Covering discs</emphasis>
0.2-1.5 mm (n = 14) diam. or long, narrowly fusoid or longish to circular, flat to convex, whitish, yellowish to brownish; discs and pulvinate or conical columns beneath consisting of compact
<emphasis italics="true" pageId="0" pageNumber="69">textura intricata</emphasis>
of hyaline hyphae and numerous colourless crystals, becoming brittle with age.
<emphasis italics="true" pageId="0" pageNumber="69">Conidiophores</emphasis>
emerging around the central column in dense palisades, up to ca. 65
<normalizedToken originalValue="µm">µm</normalizedToken>
long, filiform, branched near the base and usually 1-3 fold asymmetrically at higher levels, first hyaline, turning brown from their tips; terminal conidiogenous cells (9-)15-25(-28)
<normalizedToken originalValue="×">x</normalizedToken>
(1.7-)2.3-3.2(-3.7)
<normalizedToken originalValue="µm">µm</normalizedToken>
(n = 63), cylindrical and often widened towards base, even wider at the funnel-shaped tips, with up to 3 annellations, proliferating and producing
<normalizedToken originalValue="α-">α-</normalizedToken>
or
<normalizedToken originalValue="β-conidia">β-conidia</normalizedToken>
.
<emphasis italics="true" pageId="0" pageNumber="69">Conidia</emphasis>
dimorphic,
<normalizedToken originalValue="α-conidia">α-conidia</normalizedToken>
(10-)11.5-16.3(-21.8)
<normalizedToken originalValue="×">x</normalizedToken>
(2.5-)4.5-6.3(-7.5)
<normalizedToken originalValue="µm">µm</normalizedToken>
, l/w (1.8-)2.1-3.2(-5.3) (n = 70), first hyaline, soon turning light to medium brown, mostly fusoid, also oblong, oval or ellipsoid, straight or slightly curved, upper end usually subacute and sometimes elongated, lower end narrowly truncate, containing several guttules, smooth;
<normalizedToken originalValue="β-conidia">β-conidia</normalizedToken>
(7.3-)8.8-12(-16.5)
<normalizedToken originalValue="×">x</normalizedToken>
(2-)2.2-2.7(-3.4)
<normalizedToken originalValue="µm">µm</normalizedToken>
, l/w (2.6-)3.3-5.3(-8.9) (n = 104), hyaline, dilute brownish with age, sometimes turning rosy in 3% KOH, oblong to cylindrical, straight or curved or sigmoid, thick-walled in water, smooth, with truncate basal scar and minute guttules to eguttulate.
</paragraph>
<paragraph pageId="0" pageNumber="69">
<emphasis bold="true" italics="true" pageId="0" pageNumber="69">Culture</emphasis>
: Colony on MEA dense, first hyaline to white, with restricted growth, forming brown radial portions mostly submerged in the agar. Odour unpleasant.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="69" type="distribution">
<paragraph pageId="0" pageNumber="69">Distribution and ecology.</paragraph>
<paragraph pageId="0" pageNumber="69">
Co-occurring with
<taxonomicName authorityName="Jaklitsch &amp; Voglmayr" authorityYear="2020" class="Sordariomycetes" family="Melanconidaceae" genus="Melanconis" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Melanconis marginalis subsp. europaea" order="Diaporthales" pageId="0" pageNumber="69" phylum="Ascomycota" rank="subSpecies" species="marginalis" subSpecies="europaea">Melanconis marginalis subsp. europaea</taxonomicName>
in a subalpine area of eastern Tyrol, Austria, Europe, on
<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Alnus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Alnus alnobetula" order="Fagales" pageId="0" pageNumber="69" phylum="Tracheophyta" rank="species" species="alnobetula">
<emphasis italics="true" pageId="0" pageNumber="69">Alnus alnobetula</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="69" type="materials_examined">
<paragraph pageId="0" pageNumber="69">Additional material examined.</paragraph>
<paragraph pageId="0" pageNumber="69">
Austria, Tirol, Osttirol, Virgental,
<normalizedToken originalValue="Prägraten">Praegraten</normalizedToken>
am
<normalizedToken originalValue="Großvenediger">Grossvenediger</normalizedToken>
,
<normalizedToken originalValue="Lasörling">Lasoerling</normalizedToken>
, Zopatnitzen on path between Wetterkreuz and Berger See, 2100 m a.s.l., on
<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Alnus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Alnus alnobetula" order="Fagales" pageId="0" pageNumber="69" phylum="Tracheophyta" rank="species" species="alnobetula">
<emphasis italics="true" pageId="0" pageNumber="69">Alnus alnobetula</emphasis>
</taxonomicName>
, 26 Oct 2019, H. Voglmayr &amp; C.M. Botoaca (WU 37851; culture D322a (from
<normalizedToken originalValue="α-conidia">α-conidia</normalizedToken>
)).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="69" type="notes">
<paragraph pageId="0" pageNumber="69">Notes.</paragraph>
<paragraph pageId="0" pageNumber="69">
As this subspecies differs morphologically only subtly from the other varieties of
<taxonomicName lsidName="M. marginalis" pageId="0" pageNumber="69" rank="species" species="marginalis">
<emphasis italics="true" pageId="0" pageNumber="69">M. marginalis</emphasis>
</taxonomicName>
, we prefer to classify it as a subspecies rather than a separate species. While the ITS sequences of
<taxonomicName authorityName="Jaklitsch &amp; Voglmayr" authorityYear="2020" class="Sordariomycetes" family="Melanconidaceae" genus="Melanconis" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Melanconis marginalis subsp. tirolensis" order="Diaporthales" pageId="0" pageNumber="69" phylum="Ascomycota" rank="subSpecies" species="marginalis" subSpecies="tirolensis">Melanconis marginalis subsp. tirolensis</taxonomicName>
differs from
<taxonomicName authorityName="Jaklitsch &amp; Voglmayr" authorityYear="2020" class="Sordariomycetes" family="Melanconidaceae" genus="Melanconis" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Melanconis marginalis subsp. europaea" order="Diaporthales" pageId="0" pageNumber="69" phylum="Ascomycota" rank="subSpecies" species="marginalis" subSpecies="europaea">Melanconis marginalis subsp. europaea</taxonomicName>
in only a single base pair, the differences are substantial in all other markers included, particularly
<emphasis italics="true" pageId="0" pageNumber="69">tef1</emphasis>
and
<emphasis italics="true" pageId="0" pageNumber="69">tub2</emphasis>
.
</paragraph>
</subSubSection>
</treatment>
</document>