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<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.90.78880" ID-Pensoft-Pub="1314-4049-90-119" ID-Pensoft-UUID="7EFCA49326145D6BB656E2D26B6820F0" ModsDocID="1314-4049-90-119" checkinTime="1655551537581" checkinUser="pensoft" docAuthor="Na, Qin, Liu, Zewei, Zeng, Hui, Ke, Binrong, Song, Zhizhong, Cheng, Xianhao &amp; Ge, Yupeng" docDate="2022" docId="093C3F71C5A25D7BB263957A8A293E23" docLanguage="en" docName="MycoKeys 90: 119-145" docOrigin="MycoKeys 90" docPubDate="2022-06-17" docSource="http://dx.doi.org/10.3897/mycokeys.90.78880" docTitle="Mycena caeruleomarginata Q. Na &amp; Y. P. Ge 2022, sp. nov." docType="treatment" docVersion="2" id="7EFCA49326145D6BB656E2D26B6820F0" lastPageNumber="119" masterDocId="7EFCA49326145D6BB656E2D26B6820F0" masterDocTitle="Taxonomic studies of bluish Mycena (Mycenaceae, Agaricales) with two new species from northern China" masterLastPageNumber="145" masterPageNumber="119" pageNumber="119" updateTime="1655551839012" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Taxonomic studies of bluish Mycena (Mycenaceae, Agaricales) with two new species from northern China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Na, Qin</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-8406-6389</mods:nameIdentifier>
<mods:affiliation>Shandong Key Laboratory of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai 264025, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Liu, Zewei</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-2700-0831</mods:nameIdentifier>
<mods:affiliation>Shandong Key Laboratory of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai 264025, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zeng, Hui</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-2025-844X</mods:nameIdentifier>
<mods:affiliation>Institute of Edible Mushroom, Fujian Academy of Agricultural Sciences, Fuzhou 350011, China &amp; National and Local Joint Engineering Research Center for Breeding and Cultivation of Featured Edible Mushroom, Fuzhou 350011, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ke, Binrong</mods:namePart>
<mods:affiliation>Institute of Edible Mushroom, Fujian Academy of Agricultural Sciences, Fuzhou 350011, China &amp; National and Local Joint Engineering Research Center for Breeding and Cultivation of Featured Edible Mushroom, Fuzhou 350011, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Song, Zhizhong</mods:namePart>
<mods:affiliation>Shandong Key Laboratory of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai 264025, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Cheng, Xianhao</mods:namePart>
<mods:affiliation>Shandong Key Laboratory of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai 264025, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ge, Yupeng</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5754-201X</mods:nameIdentifier>
<mods:affiliation>Shandong Key Laboratory of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai 264025, China</mods:affiliation>
<mods:nameIdentifier type="email">gaiyupeng@126.com</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>MycoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-06-17</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>90</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>119</mods:start>
<mods:end>145</mods:end>
</mods:extent>
</mods:part>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/mycokeys.90.78880</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.90.78880</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-4049-90-119</mods:identifier>
<mods:identifier type="Pensoft-UUID">7EFCA49326145D6BB656E2D26B6820F0</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:093C3F71C5A25D7BB263957A8A293E23" httpUri="http://treatment.plazi.org/id/093C3F71C5A25D7BB263957A8A293E23" lastPageNumber="119" pageId="0" pageNumber="119">
<subSubSection pageId="0" pageNumber="119" type="nomenclature">
<paragraph pageId="0" pageNumber="119">
<taxonomicName LSID="093C3F71-C5A2-5D7B-B263-957A8A293E23" authority="Q. Na &amp; Y. P. Ge" authorityName="Q. Na &amp; Y. P. Ge" authorityYear="2022" class="Agaricomycetes" family="Mycenaceae" genus="Mycena" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Mycena caeruleomarginata" order="Agaricales" pageId="0" pageNumber="119" phylum="Basidiomycota" rank="species" species="caeruleomarginata" status="sp. nov.">Mycena caeruleomarginata Q. Na &amp; Y.P. Ge</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="119">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="description">
<paragraph pageId="0" pageNumber="119">
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Fresh basidiomata of Mycena caeruleomarginata a-f M. caeruleomarginata (FFAAS 0357, holotype) g-j M. caeruleomarginata (FFAAS 0358) a, f stipe with a bluish base c, d, i pileus with blue margin e, h densely white, pruinose to pubescent stipe. Scale bars: 10 mm (a, b, e, f, g, h); 5 mm (c, d); 2 mm (i, j). Photographs by Qin Na (a-f) and Yupeng Ge (g-j)." figureDoi="10.3897/mycokeys.90.78880.figure7" httpUri="https://binary.pensoft.net/fig/702809" pageId="0" pageNumber="119">Figs 7</figureCitation>
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Morphological features of Mycena caeruleomarginata (FFAAS 0357, holotype) a basidiomata b basidia c basidiospores d cheilocystidia e stipitipellis and caulocystidia f pileipellis. Scale bars: 10 mm (a); 10 μm (b-f). Drawings by Qin Na and Yupeng Ge." figureDoi="10.3897/mycokeys.90.78880.figure8" httpUri="https://binary.pensoft.net/fig/702810" pageId="0" pageNumber="119">, 8</figureCitation>
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Microscopic features of Mycena caeruleomarginata (FFAAS 0357, holotype) a-d basidiospores e-g cheilocystidia h-j pileipellis j stipitipellis and caulocystidia. Scale bars: 5 μm (a-d); 10 μm (e-j). Structures were stained with Congo Red medium before photographing." figureDoi="10.3897/mycokeys.90.78880.figure9" httpUri="https://binary.pensoft.net/fig/702811" pageId="0" pageNumber="119">, 9</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="diagnosis">
<paragraph pageId="0" pageNumber="119">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="119">
This species is characterised by dark brown pileus with a blue margin and the stipe densely pruinose, entirely covered with puberulous hairs and stipe basal disc and acanathocysts of pileipellis absent.
<taxonomicName class="Agaricomycetes" family="Mycenaceae" genus="Mycena" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Mycena subcaerulea" order="Agaricales" pageId="0" pageNumber="119" phylum="Basidiomycota" rank="species" species="subcaerulea">
<emphasis italics="true" pageId="0" pageNumber="119">Mycena subcaerulea</emphasis>
</taxonomicName>
differs from
<taxonomicName genus="M." lsidName="M. caeruleogrisea" pageId="0" pageNumber="119" rank="species" species="caeruleogrisea">
<emphasis italics="true" pageId="0" pageNumber="119">M. caeruleogrisea</emphasis>
</taxonomicName>
in having a pileus that is distinctly greyish-brown with a blue centre and margin, turning yellow with age, a stipe tinged greenish-blue and globose to subglobose basidiospores.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="holotype">
<paragraph pageId="0" pageNumber="119">Holotype.</paragraph>
<paragraph pageId="0" pageNumber="119">
China. Jilin Province: Chixi Protection Station, Erdaobaihe Town, Antu County, Yanbian Korean Autonomous Prefecture,
<geoCoordinate degrees="42" direction="north" minutes="46" orientation="latitude" precision="15" seconds="35" value="42.77639">42°46'35&quot;N</geoCoordinate>
,
<geoCoordinate degrees="128" direction="east" minutes="15" orientation="longitude" precision="15" seconds="04" value="128.25111">128°15'04&quot;E</geoCoordinate>
, 3 July 2021, Qin Na, Yupeng Ge, Binrong Ke and Chi Yang,
<emphasis italics="true" pageId="0" pageNumber="119">FFAAS 0357</emphasis>
(collection number MY0337).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="etymology">
<paragraph pageId="0" pageNumber="119">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="119">Refers to the pileus, which is blue at the margin.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="description">
<paragraph pageId="0" pageNumber="119">Description.</paragraph>
<paragraph pageId="0" pageNumber="119">
Pileus 3.5-13 mm in diameter, parabolic, obtusely conical when young, hemispherical, campanulate with age, with an umbo at the centre, shallowly sulcate, translucently striate, smooth, slightly gelatinous, the margin infrequently out of flatness, dark brown (6F5-6F7), disc brown (6E6-6E7), becoming greyish-blue (23B5) to blue (23B7) towards the margin (Fig.
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Fresh basidiomata of Mycena caeruleomarginata a-f M. caeruleomarginata (FFAAS 0357, holotype) g-j M. caeruleomarginata (FFAAS 0358) a, f stipe with a bluish base c, d, i pileus with blue margin e, h densely white, pruinose to pubescent stipe. Scale bars: 10 mm (a, b, e, f, g, h); 5 mm (c, d); 2 mm (i, j). Photographs by Qin Na (a-f) and Yupeng Ge (g-j)." figureDoi="10.3897/mycokeys.90.78880.figure7" httpUri="https://binary.pensoft.net/fig/702809" pageId="0" pageNumber="119">7c, d, i</figureCitation>
), margin grey (23B1) (Fig.
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Fresh basidiomata of Mycena caeruleomarginata a-f M. caeruleomarginata (FFAAS 0357, holotype) g-j M. caeruleomarginata (FFAAS 0358) a, f stipe with a bluish base c, d, i pileus with blue margin e, h densely white, pruinose to pubescent stipe. Scale bars: 10 mm (a, b, e, f, g, h); 5 mm (c, d); 2 mm (i, j). Photographs by Qin Na (a-f) and Yupeng Ge (g-j)." figureDoi="10.3897/mycokeys.90.78880.figure7" httpUri="https://binary.pensoft.net/fig/702809" pageId="0" pageNumber="119">7c, d, i</figureCitation>
), covered by a separable, viscid pellicle. Context white, fragile, thin. Lamellae 14-25 reaching the stem, adnate to slightly adnexed with a short tooth, white, inconspicuously intervenose, edges concolorous with the face. Stipe 32-46
<normalizedToken originalValue="×">x</normalizedToken>
1.0-2.0 mm, equal, base sometimes slightly broadened, fragile, hollow, pruinose, entirely puberulous when young (Fig.
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Fresh basidiomata of Mycena caeruleomarginata a-f M. caeruleomarginata (FFAAS 0357, holotype) g-j M. caeruleomarginata (FFAAS 0358) a, f stipe with a bluish base c, d, i pileus with blue margin e, h densely white, pruinose to pubescent stipe. Scale bars: 10 mm (a, b, e, f, g, h); 5 mm (c, d); 2 mm (i, j). Photographs by Qin Na (a-f) and Yupeng Ge (g-j)." figureDoi="10.3897/mycokeys.90.78880.figure7" httpUri="https://binary.pensoft.net/fig/702809" pageId="0" pageNumber="119">7h</figureCitation>
), becoming sparingly so, especially in the middle part, when old (Fig.
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Fresh basidiomata of Mycena caeruleomarginata a-f M. caeruleomarginata (FFAAS 0357, holotype) g-j M. caeruleomarginata (FFAAS 0358) a, f stipe with a bluish base c, d, i pileus with blue margin e, h densely white, pruinose to pubescent stipe. Scale bars: 10 mm (a, b, e, f, g, h); 5 mm (c, d); 2 mm (i, j). Photographs by Qin Na (a-f) and Yupeng Ge (g-j)." figureDoi="10.3897/mycokeys.90.78880.figure7" httpUri="https://binary.pensoft.net/fig/702809" pageId="0" pageNumber="119">7e</figureCitation>
), greyish-brown (5E3) to brown (5E4), base with an greyish-blue (23B5) tinge (Fig.
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Fresh basidiomata of Mycena caeruleomarginata a-f M. caeruleomarginata (FFAAS 0357, holotype) g-j M. caeruleomarginata (FFAAS 0358) a, f stipe with a bluish base c, d, i pileus with blue margin e, h densely white, pruinose to pubescent stipe. Scale bars: 10 mm (a, b, e, f, g, h); 5 mm (c, d); 2 mm (i, j). Photographs by Qin Na (a-f) and Yupeng Ge (g-j)." figureDoi="10.3897/mycokeys.90.78880.figure7" httpUri="https://binary.pensoft.net/fig/702809" pageId="0" pageNumber="119">7a, f</figureCitation>
), sparsely covered with white fibrils, a basal disc absent. Odour and taste indistinctive.
</paragraph>
<caption doi="10.3897/mycokeys.90.78880.figure7" httpUri="https://binary.pensoft.net/fig/702809" pageId="0" pageNumber="119" start="Figure 7" startId="F7">
<paragraph pageId="0" pageNumber="119">
<emphasis bold="true" pageId="0" pageNumber="119">Figure 7.</emphasis>
Fresh basidiomata of
<taxonomicName authorityName="Q. Na &amp; Y. P. Ge" authorityYear="2022" class="Agaricomycetes" family="Mycenaceae" genus="Mycena" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Mycena caeruleomarginata" order="Agaricales" pageId="0" pageNumber="119" phylum="Basidiomycota" rank="species" species="caeruleomarginata">
<emphasis italics="true" pageId="0" pageNumber="119">Mycena caeruleomarginata</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="119">a-f</emphasis>
<taxonomicName genus="M." lsidName="M. caeruleomarginata" pageId="0" pageNumber="119" rank="species" species="caeruleomarginata">
<emphasis italics="true" pageId="0" pageNumber="119">M. caeruleomarginata</emphasis>
</taxonomicName>
(
<emphasis italics="true" pageId="0" pageNumber="119">FFAAS 0357</emphasis>
, holotype)
<emphasis bold="true" pageId="0" pageNumber="119">g-j</emphasis>
<taxonomicName genus="M." lsidName="M. caeruleomarginata" pageId="0" pageNumber="119" rank="species" species="caeruleomarginata">
<emphasis italics="true" pageId="0" pageNumber="119">M. caeruleomarginata</emphasis>
</taxonomicName>
(
<emphasis italics="true" pageId="0" pageNumber="119">FFAAS 0358</emphasis>
)
<emphasis bold="true" pageId="0" pageNumber="119">a, f</emphasis>
stipe with a bluish base
<emphasis bold="true" pageId="0" pageNumber="119">c, d, i</emphasis>
pileus with blue margin
<emphasis bold="true" pageId="0" pageNumber="119">e, h</emphasis>
densely white, pruinose to pubescent stipe. Scale bars: 10 mm (
<emphasis bold="true" pageId="0" pageNumber="119">a, b, e, f, g, h</emphasis>
); 5 mm (
<emphasis bold="true" pageId="0" pageNumber="119">c, d</emphasis>
); 2 mm (
<emphasis bold="true" pageId="0" pageNumber="119">i, j</emphasis>
). Photographs by Qin Na (
<emphasis bold="true" pageId="0" pageNumber="119">a-f</emphasis>
) and Yupeng Ge (
<emphasis bold="true" pageId="0" pageNumber="119">g-j</emphasis>
).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="119">
Basidiospores [60/3/2] (6.2) 6.4-
<emphasis bold="true" pageId="0" pageNumber="119">7.1</emphasis>
-7.7 (7.9)
<normalizedToken originalValue="×">x</normalizedToken>
(4.4) 4.7-
<emphasis bold="true" pageId="0" pageNumber="119">5.2</emphasis>
-5.8 (6.0)
<normalizedToken originalValue="μm">μm</normalizedToken>
[
<emphasis italics="true" pageId="0" pageNumber="119">Q</emphasis>
= 1.23-1.54,
<emphasis bold="true" pageId="0" pageNumber="119">Q</emphasis>
=
<emphasis bold="true" italics="true" pageId="0" pageNumber="119">1.36</emphasis>
<normalizedToken originalValue="±">+/-</normalizedToken>
0.071] [holotype [40/2/1] (6.4) 6.6-
<emphasis bold="true" pageId="0" pageNumber="119">7.2</emphasis>
-7.7 (7.8)
<normalizedToken originalValue="×">x</normalizedToken>
(4.7) 4.9-
<emphasis bold="true" pageId="0" pageNumber="119">5.2</emphasis>
-5.3 (5.7)
<normalizedToken originalValue="μm">μm</normalizedToken>
,
<emphasis italics="true" pageId="0" pageNumber="119">Q</emphasis>
= 1.26-1.53,
<emphasis bold="true" pageId="0" pageNumber="119">Q</emphasis>
=
<emphasis bold="true" italics="true" pageId="0" pageNumber="119">1.39</emphasis>
<normalizedToken originalValue="±">+/-</normalizedToken>
0.070], broadly ellipsoid to ellipsoid, hyaline in 5% KOH, guttulate, smooth, thin-walled, amyloid. Basidia 26-35
<normalizedToken originalValue="×">x</normalizedToken>
6-12
<normalizedToken originalValue="μm">μm</normalizedToken>
, 4- or 2-spored, clavate. Cheilocystidia 32-48
<normalizedToken originalValue="×">x</normalizedToken>
4-6
<normalizedToken originalValue="μm">μm</normalizedToken>
, abundant, clustered, cylindrical or elongated clavate, apically broadly rounded, thin-walled, hyaline, forming a sterile lamellae edge. Pleurocystidia absent. Pileipellis an ixocutis with 2-4
<normalizedToken originalValue="μm">μm</normalizedToken>
wide hyphae, simple, cylindrical excrescences, 2-6
<normalizedToken originalValue="×">x</normalizedToken>
1-2
<normalizedToken originalValue="μm">μm</normalizedToken>
, embedded in gelatinous matter; acanathocysts absent. Hypodermium undifferentiated. Hyphae of the stipitipellis 3-6
<normalizedToken originalValue="μm">μm</normalizedToken>
in diameter, smooth, hyaline; caulocystidia smooth, transparent, of two shapes: (1) fusiform or cylindrical, 19-40
<normalizedToken originalValue="×">x</normalizedToken>
4-8
<normalizedToken originalValue="μm">μm</normalizedToken>
; (2) extremely long cylindrical, sometimes with a narrow apex, 115-178
<normalizedToken originalValue="×">x</normalizedToken>
5-9
<normalizedToken originalValue="μm">μm</normalizedToken>
. All tissues dextrinoid. Clamps present in all tissues.
</paragraph>
<caption doi="10.3897/mycokeys.90.78880.figure8" httpUri="https://binary.pensoft.net/fig/702810" pageId="0" pageNumber="119" start="Figure 8" startId="F8">
<paragraph pageId="0" pageNumber="119">
<emphasis bold="true" pageId="0" pageNumber="119">Figure 8.</emphasis>
Morphological features of
<taxonomicName authorityName="Q. Na &amp; Y. P. Ge" authorityYear="2022" class="Agaricomycetes" family="Mycenaceae" genus="Mycena" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Mycena caeruleomarginata" order="Agaricales" pageId="0" pageNumber="119" phylum="Basidiomycota" rank="species" species="caeruleomarginata">
<emphasis italics="true" pageId="0" pageNumber="119">Mycena caeruleomarginata</emphasis>
</taxonomicName>
(
<emphasis italics="true" pageId="0" pageNumber="119">FFAAS 0357</emphasis>
, holotype)
<emphasis bold="true" pageId="0" pageNumber="119">a</emphasis>
basidiomata
<emphasis bold="true" pageId="0" pageNumber="119">b</emphasis>
basidia
<emphasis bold="true" pageId="0" pageNumber="119">c</emphasis>
basidiospores
<emphasis bold="true" pageId="0" pageNumber="119">d</emphasis>
cheilocystidia
<emphasis bold="true" pageId="0" pageNumber="119">e</emphasis>
stipitipellis and caulocystidia
<emphasis bold="true" pageId="0" pageNumber="119">f</emphasis>
pileipellis. Scale bars: 10 mm (
<emphasis bold="true" pageId="0" pageNumber="119">a</emphasis>
); 10
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="119">b-f</emphasis>
). Drawings by Qin Na and Yupeng Ge.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="habit and habitat">
<paragraph pageId="0" pageNumber="119">Habit and habitat.</paragraph>
<paragraph pageId="0" pageNumber="119">
Scattered on rotten wood in
<taxonomicName class="Pinopsida" family="Pinaceae" genus="Picea" kingdom="Plantae" lsidName="Picea" order="Pinales" pageId="0" pageNumber="119" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="119">Picea</emphasis>
</taxonomicName>
,
<taxonomicName class="Pinopsida" family="Pinaceae" genus="Pinus" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="119" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="119">Pinus</emphasis>
</taxonomicName>
,
<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="119" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="119">Quercus</emphasis>
</taxonomicName>
,
<taxonomicName authorityName="Pankov, Webster, Blasco-Costa, Gibson, Littlewood, Balbuena &amp; Kostadinova" authorityYear="2006" class="Magnoliopsida" family="Fabaceae" genus="Robinia" kingdom="Plantae" lsidName="Robinia" order="Fabales" pageId="0" pageNumber="119" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="119">Robinia</emphasis>
</taxonomicName>
and
<taxonomicName class="Magnoliopsida" family="Malvaceae" genus="Tilia" kingdom="Plantae" lsidName="Tilia" order="Malvales" pageId="0" pageNumber="119" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="119">Tilia</emphasis>
</taxonomicName>
mixed forests.
</paragraph>
<caption doi="10.3897/mycokeys.90.78880.figure9" httpUri="https://binary.pensoft.net/fig/702811" pageId="0" pageNumber="119" start="Figure 9" startId="F9">
<paragraph pageId="0" pageNumber="119">
<emphasis bold="true" pageId="0" pageNumber="119">Figure 9.</emphasis>
Microscopic features of
<taxonomicName authorityName="Q. Na &amp; Y. P. Ge" authorityYear="2022" class="Agaricomycetes" family="Mycenaceae" genus="Mycena" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Mycena caeruleomarginata" order="Agaricales" pageId="0" pageNumber="119" phylum="Basidiomycota" rank="species" species="caeruleomarginata">
<emphasis italics="true" pageId="0" pageNumber="119">Mycena caeruleomarginata</emphasis>
</taxonomicName>
(
<emphasis italics="true" pageId="0" pageNumber="119">FFAAS 0357</emphasis>
, holotype)
<emphasis bold="true" pageId="0" pageNumber="119">a-d</emphasis>
basidiospores
<emphasis bold="true" pageId="0" pageNumber="119">e-g</emphasis>
cheilocystidia
<emphasis bold="true" pageId="0" pageNumber="119">h-j</emphasis>
pileipellis
<emphasis bold="true" pageId="0" pageNumber="119">j</emphasis>
stipitipellis and caulocystidia. Scale bars: 5
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="119">a-d)</emphasis>
; 10
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="119">e-j</emphasis>
). Structures were stained with Congo Red medium before photographing.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="distribution">
<paragraph pageId="0" pageNumber="119">Known distribution.</paragraph>
<paragraph pageId="0" pageNumber="119">Jilin Province, China.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="materials_examined">
<paragraph pageId="0" pageNumber="119">Additional material examined.</paragraph>
<paragraph pageId="0" pageNumber="119">
<materialsCitation collectingDate="2021-07-04" county="Antu County" latitude="42.776665" location="Jilin Province" longLatPrecision="19" longitude="128.25111" municipality="Yanbian Korean Autonomous Prefecture" specimenCount="1">
<location LSID="urn:lsid:plazi:treatment:093C3F71C5A25D7BB263957A8A293E23:204C065CF97BAE3E49E23F717353392F" county="Antu County" latitude="42.776665" longLatPrecision="19" longitude="128.25111" municipality="Yanbian Korean Autonomous Prefecture" name="Jilin Province">Jilin Province</location>
:
<location LSID="urn:lsid:plazi:treatment:093C3F71C5A25D7BB263957A8A293E23:2FC5EB6A499AD90DEB7F405484A0C7C2" county="Antu County" latitude="42.776665" longLatPrecision="19" longitude="128.25111" municipality="Yanbian Korean Autonomous Prefecture" name="Hancongling">Hancongling</location>
,
<location LSID="urn:lsid:plazi:treatment:093C3F71C5A25D7BB263957A8A293E23:2BF36AF39D5FD6EDFD9F8C4D9257B06B" county="Antu County" latitude="42.776665" longLatPrecision="19" longitude="128.25111" municipality="Yanbian Korean Autonomous Prefecture" name="Erdaobaihe Town">Erdaobaihe Town</location>
,
<collectingCounty>Antu County</collectingCounty>
,
<collectingMunicipality>Yanbian Korean Autonomous Prefecture</collectingMunicipality>
,
<geoCoordinate degrees="42" direction="north" minutes="46" orientation="latitude" precision="15" seconds="36" value="42.776665">42°46'36&quot;N</geoCoordinate>
,
<geoCoordinate degrees="128" direction="east" minutes="15" orientation="longitude" precision="15" seconds="04" value="128.25111">128°15'04&quot;E</geoCoordinate>
,
<collectingDate value="2021-07-04">4 July 2021</collectingDate>
, Qin Na, Yupeng Ge, Binrong Ke and Chi Yang,
<emphasis italics="true" pageId="0" pageNumber="119">FFAAS 0358</emphasis>
(collection number MY0343)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="remarks">
<paragraph pageId="0" pageNumber="119">Remarks.</paragraph>
<paragraph pageId="0" pageNumber="119">
The diagnostic features of
<taxonomicName genus="M." lsidName="M. caeruleomarginata" pageId="0" pageNumber="119" rank="species" species="caeruleomarginata">
<emphasis italics="true" pageId="0" pageNumber="119">M. caeruleomarginata</emphasis>
</taxonomicName>
can be used to distinguish this new taxon from the closely-related bluish species
<taxonomicName genus="M." lsidName="M. subcaerulea" pageId="0" pageNumber="119" rank="species" species="subcaerulea">
<emphasis italics="true" pageId="0" pageNumber="119">M. subcaerulea</emphasis>
</taxonomicName>
,
<taxonomicName genus="M." lsidName="M. cyanorhiza" pageId="0" pageNumber="119" rank="species" species="cyanorhiza">
<emphasis italics="true" pageId="0" pageNumber="119">M. cyanorhiza</emphasis>
</taxonomicName>
,
<taxonomicName genus="M." lsidName="M. amicta" pageId="0" pageNumber="119" rank="species" species="amicta">
<emphasis italics="true" pageId="0" pageNumber="119">M. amicta</emphasis>
</taxonomicName>
and
<taxonomicName genus="M." lsidName="M. interrupta" pageId="0" pageNumber="119" rank="species" species="interrupta">
<emphasis italics="true" pageId="0" pageNumber="119">M. interrupta</emphasis>
</taxonomicName>
(Table
<tableCitation captionStart="Table 2" captionStartId="T2" captionText="Table 2. Morphological comparison of Mycena caeruleogrisea, M. caeruleomarginata, and related species." httpUri="http://table.plazi.org/id/F4B1A5A10A5A3B243385E0E4F2285C1B" pageId="0" pageNumber="119" tableUuid="F4B1A5A10A5A3B243385E0E4F2285C1B">2</tableCitation>
).
<taxonomicName class="Agaricomycetes" family="Mycenaceae" genus="Mycena" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Mycena subcaerulea" order="Agaricales" pageId="0" pageNumber="119" phylum="Basidiomycota" rank="species" species="subcaerulea">
<emphasis italics="true" pageId="0" pageNumber="119">Mycena subcaerulea</emphasis>
</taxonomicName>
, the species most similar to
<taxonomicName genus="M." lsidName="M. caeruleomarginata" pageId="0" pageNumber="119" rank="species" species="caeruleomarginata">
<emphasis italics="true" pageId="0" pageNumber="119">M. caeruleomarginata</emphasis>
</taxonomicName>
, differs in having a pileus that is distinctly greyish-brown with a blue centre and margin, turning yellow with age, a stipe tinged greenish-blue and globose to subglobose basidiospores (
<emphasis italics="true" pageId="0" pageNumber="119">Q</emphasis>
= 1.01-1.14) according to the original description and our observations (
<bibRefCitation author="Saccardo, PA" journalOrPublisher="Sylloge Fungorum, Berlin" pageId="0" pageNumber="119" refId="B47" refString="Saccardo, PA, 1887. Sylloge Hymenomycetum, Vol. I. Agaricineae (in Latin). Sylloge Fungorum, Berlin" title="Sylloge Hymenomycetum, Vol. I. Agaricineae (in Latin)." year="1887">Saccardo 1887</bibRefCitation>
;
<bibRefCitation author="Smith, AH" journalOrPublisher="University of Michigan Press, Ann Arbor, Michigan" pageId="0" pageNumber="119" refId="B51" refString="Smith, AH, 1947. North American species of Mycena. University of Michigan Press, Ann Arbor, Michigan" title="North American species of Mycena." year="1947">Smith 1947</bibRefCitation>
) (Figs
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Microscopic features of Mycena subcaerulea a, b basidiospores (TENN-F- 057919) c basidiospores (CUP-A- 002382) d basidiospores (CUP-A- 015138) e-g cheilocystidia (TENN-F- 057919) h, i pileipellis (TENN-F- 057919) j stipitipellis and caulocystidia (TENN-F- 057919). Scale bars: 5 μm (a-d); 10 μm (e-j). Structures were stained with Congo Red medium before photographing." figureDoi="10.3897/mycokeys.90.78880.figure5" httpUri="https://binary.pensoft.net/fig/702807" pageId="0" pageNumber="119">5</figureCitation>
,
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Morphological features of Mycena subcaerulea a basidiospores b basidia c stipitipellis and caulocystidia d cheilocystidia e pileipellis. Scale bars: 10 μm (a-e). Drawings by Qin Na and Yupeng Ge." figureDoi="10.3897/mycokeys.90.78880.figure6" httpUri="https://binary.pensoft.net/fig/702808" pageId="0" pageNumber="119">6</figureCitation>
; Table
<tableCitation captionStart="Table 2" captionStartId="T2" captionText="Table 2. Morphological comparison of Mycena caeruleogrisea, M. caeruleomarginata, and related species." httpUri="http://table.plazi.org/id/F4B1A5A10A5A3B243385E0E4F2285C1B" pageId="0" pageNumber="119" tableUuid="F4B1A5A10A5A3B243385E0E4F2285C1B">2</tableCitation>
). Similar to
<taxonomicName genus="M." lsidName="M. caeruleomarginata" pageId="0" pageNumber="119" rank="species" species="caeruleomarginata">
<emphasis italics="true" pageId="0" pageNumber="119">M. caeruleomarginata</emphasis>
</taxonomicName>
,
<taxonomicName genus="M." lsidName="M. cyanorhiza" pageId="0" pageNumber="119" rank="species" species="cyanorhiza">
<emphasis italics="true" pageId="0" pageNumber="119">M. cyanorhiza</emphasis>
</taxonomicName>
has an entirely puberulous, pruinose stipe with a sky blue base and possesses a gelatinous pileus; however, the pileus of
<taxonomicName genus="M." lsidName="M. cyanorhiza" pageId="0" pageNumber="119" rank="species" species="cyanorhiza">
<emphasis italics="true" pageId="0" pageNumber="119">M. cyanorhiza</emphasis>
</taxonomicName>
is pale brown, grey to almost white, without a bluish tinge and this species has elongated ellipsoid basidiospores (
<emphasis italics="true" pageId="0" pageNumber="119">Q</emphasis>
&gt; 1.6) and lacks smooth cheilocystidia and caulocystidia (
<bibRefCitation author="Aronsen, A" journalOrPublisher="Narayana Press, Gylling, Denmark" pageId="0" pageNumber="119" refId="B5" refString="Aronsen, A, Laessoe, T, 2016. The Genus Mycena s.l. Fungi of Northern Europe Vol. 5. Narayana Press, Gylling, Denmark" title="The Genus Mycena s. l. Fungi of Northern Europe Vol. 5." year="2016">
Aronsen and
<normalizedToken originalValue="Læssøe">Laessoe</normalizedToken>
2016
</bibRefCitation>
;
<bibRefCitation DOI="https://doi.org/10.17348/jbrit.v14.i2.1000" author="Perry, BA" journalOrPublisher="Journal of the Botanical Research Institute of Texas" pageId="0" pageNumber="119" pagination="167 - 185" refId="B38" refString="Perry, BA, Keller, HW, Forrester, ED, Stone, BG, 2020. A new corticolous species of Mycena sect. Viscipelles (Basidiomycota: Agaricales) from the bark of a Living American elm tree in Texas, U.S.A. Journal of the Botanical Research Institute of Texas 14 (2): 167 - 185, DOI: https://doi.org/10.17348/jbrit.v14.i2.1000" title="A new corticolous species of Mycena sect. Viscipelles (Basidiomycota: Agaricales) from the bark of a Living American elm tree in Texas, U. S. A." url="https://doi.org/10.17348/jbrit.v14.i2.1000" volume="14" year="2020">Perry et al. 2020</bibRefCitation>
). In addition,
<taxonomicName genus="M." lsidName="M. amicta" pageId="0" pageNumber="119" rank="species" species="amicta">
<emphasis italics="true" pageId="0" pageNumber="119">M. amicta</emphasis>
</taxonomicName>
resembles
<taxonomicName genus="M." lsidName="M. caeruleomarginata" pageId="0" pageNumber="119" rank="species" species="caeruleomarginata">
<emphasis italics="true" pageId="0" pageNumber="119">M. caeruleomarginata</emphasis>
</taxonomicName>
in its bluish pileus, pruinose stipe and pileipellis embedded in a layer of gelatinous matter, but the former differs in having a pale grey-brown pileus that is sometimes ochraceous yellow and greenish when young and bluish when old, a raphanoid odour and elongated ellipsoid basidiospores (7.5-10.7
<normalizedToken originalValue="×">x</normalizedToken>
4.5-6.0
<normalizedToken originalValue="µm">µm</normalizedToken>
) (
<bibRefCitation author="Robich, G" journalOrPublisher="Associazione Micologica Bresadola, Trento" pageId="0" pageNumber="119" refId="B44" refString="Robich, G, 2003. Mycena d'Europa. Associazione Micologica Bresadola, Trento" title="Mycena d'Europa." year="2003">Robich 2003</bibRefCitation>
;
<bibRefCitation author="Aronsen, A" journalOrPublisher="Narayana Press, Gylling, Denmark" pageId="0" pageNumber="119" refId="B5" refString="Aronsen, A, Laessoe, T, 2016. The Genus Mycena s.l. Fungi of Northern Europe Vol. 5. Narayana Press, Gylling, Denmark" title="The Genus Mycena s. l. Fungi of Northern Europe Vol. 5." year="2016">
Aronsen and
<normalizedToken originalValue="Læssøe">Laessoe</normalizedToken>
2016
</bibRefCitation>
). The Southern Hemisphere species
<taxonomicName genus="M." lsidName="M. interrupta" pageId="0" pageNumber="119" rank="species" species="interrupta">
<emphasis italics="true" pageId="0" pageNumber="119">M. interrupta</emphasis>
</taxonomicName>
is well characterised by its blue pileus at maturity, a translucent stipe with a basal disc and cheilocystidia with excrescences (
<bibRefCitation author="Grgurinovic, CA" journalOrPublisher="Journal of Biogeography" pageId="0" pageNumber="119" refId="B11" refString="Grgurinovic, CA, 2003. The genus Mycena in south-eastern Australia. Fungal Diversity Press, 329 pp." title="The genus Mycena in south-eastern Australia. Fungal Diversity Press, 329 pp." year="2003">Grgurinovic 2003</bibRefCitation>
). Furthermore, two new species with bluish basidiomata reported from East Asia,
<taxonomicName genus="M." lsidName="M. lazulina" pageId="0" pageNumber="119" rank="species" species="lazulina">
<emphasis italics="true" pageId="0" pageNumber="119">M. lazulina</emphasis>
</taxonomicName>
and
<taxonomicName genus="M." lsidName="M. indigotica" pageId="0" pageNumber="119" rank="species" species="indigotica">
<emphasis italics="true" pageId="0" pageNumber="119">M. indigotica</emphasis>
</taxonomicName>
, can be easily distinguished from the new species in their whitish pileus or tubes similar to
<taxonomicName class="Agaricomycetes" family="Boletaceae" genus="Boletus" kingdom="Fungi" lsidName="Boletus" order="Boletales" pageId="0" pageNumber="119" phylum="Basidiomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="119">Boletus</emphasis>
</taxonomicName>
;
<taxonomicName genus="M." lsidName="M. lazulina" pageId="0" pageNumber="119" rank="species" species="lazulina">
<emphasis italics="true" pageId="0" pageNumber="119">M. lazulina</emphasis>
</taxonomicName>
having cheilocystidia with numerous excrescences and
<taxonomicName genus="M." lsidName="M. indigotica" pageId="0" pageNumber="119" rank="species" species="indigotica">
<emphasis italics="true" pageId="0" pageNumber="119">M. indigotica</emphasis>
</taxonomicName>
possesses globose basidiospores (
<bibRefCitation author="Terashima, Y" journalOrPublisher="Tokai University Press, Kanagawa, Tokyo" pageId="0" pageNumber="119" refId="B53" refString="Terashima, Y, Takahashi, H, Taneyama, Y, 2016. The fungal flora in southwestern Japan, Agarics and boletes. Tokai University Press, Kanagawa, Tokyo" title="The fungal flora in southwestern Japan, Agarics and boletes." year="2016">Terashima et al. 2016</bibRefCitation>
;
<bibRefCitation DOI="https://doi.org/10.1016/j.myc.2018.06.001" author="Wei, CL" journalOrPublisher="Mycoscience" pageId="0" pageNumber="119" pagination="10 - 13" refId="B57" refString="Wei, CL, Kirschner, R, 2019. A new Mycena species with blue basidiomata and porioid hymenophore from Taiwan. Mycoscience 60 (1): 10 - 13, DOI: https://doi.org/10.1016/j.myc.2018.06.001" title="A new Mycena species with blue basidiomata and porioid hymenophore from Taiwan." url="https://doi.org/10.1016/j.myc.2018.06.001" volume="60" year="2019">Wei and Kirschner 2019</bibRefCitation>
).
<taxonomicName authorityName="Q. Na, Y. P. Ge &amp; H. Zeng" authorityYear="2022" class="Agaricomycetes" family="Mycenaceae" genus="Mycena" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Mycena caeruleogrisea" order="Agaricales" pageId="0" pageNumber="119" phylum="Basidiomycota" rank="species" species="caeruleogrisea">
<emphasis italics="true" pageId="0" pageNumber="119">Mycena caeruleogrisea</emphasis>
</taxonomicName>
and
<taxonomicName genus="M." lsidName="M. caeruleomarginata" pageId="0" pageNumber="119" rank="species" species="caeruleomarginata">
<emphasis italics="true" pageId="0" pageNumber="119">M. caeruleomarginata</emphasis>
</taxonomicName>
share the same bluish pileus and stipe base, smooth and cylindrical cheilocystidia and pileipellis embedded in a layer of gelatinous matter.
<taxonomicName authorityName="Q. Na &amp; Y. P. Ge" authorityYear="2022" class="Agaricomycetes" family="Mycenaceae" genus="Mycena" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Mycena caeruleomarginata" order="Agaricales" pageId="0" pageNumber="119" phylum="Basidiomycota" rank="species" species="caeruleomarginata">
<emphasis italics="true" pageId="0" pageNumber="119">Mycena caeruleomarginata</emphasis>
</taxonomicName>
can be readily distinguished, however, based on the dark brown colour of the pileus with a blue margin, yellowish-brown to light brown stipe, broadly ellipsoid to ellipsoid spores and caulocystidia of two shapes.
</paragraph>
</subSubSection>
</treatment>
</document>