treatments-xml/data/E6/B1/88/E6B18864029753FF9F4DF17204446312.xml

<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.89.79864" ID-Pensoft-Pub="1314-4049-89-87" ID-Pensoft-UUID="D5F94EF4E6C15B23831D92461DFAA1CA" ModsDocID="1314-4049-89-87" checkinTime="1651307109851" checkinUser="pensoft" docAuthor="Na, Qin, Hu, Yaping, Zeng, Hui, Song, Zhizhong, Ding, Hui, Cheng, Xianhao &amp; Ge, Yupeng" docDate="2022" docId="E6B18864029753FF9F4DF17204446312" docLanguage="en" docName="MycoKeys 89: 87-120" docOrigin="MycoKeys 89" docPubDate="2022-04-29" docSource="http://dx.doi.org/10.3897/mycokeys.89.79864" docTitle="Gerronema microcarpum Q. Na, H. Zeng &amp; Y. P. Ge 2022, sp. nov." docType="treatment" docVersion="1" id="D5F94EF4E6C15B23831D92461DFAA1CA" lastPageNumber="87" masterDocId="D5F94EF4E6C15B23831D92461DFAA1CA" masterDocTitle="Updated taxonomy on Gerronema (Porotheleaceae, Agaricales) with three new taxa and one new record from China" masterLastPageNumber="120" masterPageNumber="87" pageId="0" pageNumber="87" updateTime="1651307411357" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Updated taxonomy on Gerronema (Porotheleaceae, Agaricales) with three new taxa and one new record from 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>Hu, Yaping</mods:namePart>
<mods:affiliation>Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, State Environmental Protection Scientific Observation and Research Station for Ecological Environment of Wuyi Mountains, 8 Jiangwangmiao street, Nanjing 210042, 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 Fungi, Fujian Academy of Agricultural Sciences; National and Local Joint Engineering Research Center for Breeding &amp; Cultivation of Features Edible Fungi, Fuzhou 350014, 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>Ding, Hui</mods:namePart>
<mods:affiliation>Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, State Environmental Protection Scientific Observation and Research Station for Ecological Environment of Wuyi Mountains, 8 Jiangwangmiao street, Nanjing 210042, 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>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>MycoKeys</mods:title>
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<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-04-29</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>89</mods:number>
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<mods:extent unit="page">
<mods:start>87</mods:start>
<mods:end>120</mods:end>
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<mods:url>http://dx.doi.org/10.3897/mycokeys.89.79864</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.89.79864</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-4049-89-87</mods:identifier>
<mods:identifier type="Pensoft-UUID">D5F94EF4E6C15B23831D92461DFAA1CA</mods:identifier>
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<treatment LSID="urn:lsid:plazi:treatment:E6B18864029753FF9F4DF17204446312" httpUri="http://treatment.plazi.org/id/E6B18864029753FF9F4DF17204446312" lastPageNumber="87" pageId="0" pageNumber="87">
<subSubSection pageId="0" pageNumber="87" type="nomenclature">
<paragraph pageId="0" pageNumber="87">
<taxonomicName LSID="E6B18864-0297-53FF-9F4D-F17204446312" authority="Q. Na, H. Zeng &amp; Y. P. Ge" authorityName="Q. Na, H. Zeng &amp; Y. P. Ge" authorityYear="2022" class="Basidiomycetes" family="Porotheleaceae" genus="Gerronema" higherTaxonomySource="treatment-meta" kingdom="Fungi" lsidName="Gerronema microcarpum" order="Agaricales" pageId="0" pageNumber="87" phylum="Basidiomycota" rank="species" species="microcarpum" status="sp. nov.">Gerronema microcarpum Q. Na, H. Zeng &amp; Y.P. Ge</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="87">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="87" type="description">
<paragraph pageId="0" pageNumber="87">
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Fresh basidiomata of Gerronema microcarpum Q. Na, H. Zeng &amp; Y. P. Ge. a FFAAS 0365 b FFAAS 0372 c-d FFAAS 0375 e FFAAS 0373 (Holotype) f-g FFAAS 0374 h-i FFAAS 0371. Scale bars: 10 mm (a-i). Photographs a, e-i by Yupeng Ge; b by Junqing Yan; c-d by Qin Na." figureDoi="10.3897/mycokeys.89.79864.figure5" httpUri="https://binary.pensoft.net/fig/678680" pageId="0" pageNumber="87">Figs 5</figureCitation>
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Microscopic features of Gerronema microcarpum Q. Na, H. Zeng &amp; Y. P. Ge. (FFAAS 0373, Holotype) a-e basidiospores f basidia g-i cheilocystidia j lamellar trama k pileipellis l stipitipellis and caulocystidia. Scale bars: 5 μm (a-e); 10 μm (f-l)." figureDoi="10.3897/mycokeys.89.79864.figure6" httpUri="https://binary.pensoft.net/fig/678681" pageId="0" pageNumber="87">, 6</figureCitation>
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Morphological features of Gerronema microcarpum Q. Na, H. Zeng &amp; Y. P. Ge. (FFAAS 0373, Holotype) a basidiomata b basidia c basidiospores d cheilocystidia e stipitipellis and caulocystidia f pileipellis. Scale bars: 10 mm (a); 10 μm (b, d-f); 5 μm (c). Drawing by Qin Na and Yupeng Ge." figureDoi="10.3897/mycokeys.89.79864.figure7" httpUri="https://binary.pensoft.net/fig/678682" pageId="0" pageNumber="87">, 7</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="87" type="diagnosis">
<paragraph pageId="0" pageNumber="87">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="87">Basidiomata distinctly small. A pileus a bit slimy when moist. Stipe light yellow, base turning to light brown with age. Cheilocystidia common in clavate with rounded apex, rarely fusiform. Pileipellis occasionally with coarse excrescences.</paragraph>
<caption doi="10.3897/mycokeys.89.79864.figure5" httpUri="https://binary.pensoft.net/fig/678680" pageId="0" pageNumber="87" start="Figure 5" startId="F5">
<paragraph pageId="0" pageNumber="87">
<emphasis bold="true" pageId="0" pageNumber="87">Figure 5.</emphasis>
Fresh basidiomata of 
<taxonomicName authorityName="Q. Na, H. Zeng &amp; Y. P. Ge" authorityYear="2022" class="Basidiomycetes" family="Porotheleaceae" genus="Gerronema" kingdom="Fungi" lsidName="Gerronema microcarpum" order="Agaricales" pageId="0" pageNumber="87" phylum="Basidiomycota" rank="species" species="microcarpum">
<emphasis italics="true" pageId="0" pageNumber="87">Gerronema microcarpum</emphasis>
</taxonomicName>
Q. Na, H. Zeng &amp; Y.P. Ge. 
<emphasis bold="true" pageId="0" pageNumber="87">a</emphasis>
<emphasis italics="true" pageId="0" pageNumber="87">FFAAS0365</emphasis>
<emphasis bold="true" pageId="0" pageNumber="87">b</emphasis>
<emphasis italics="true" pageId="0" pageNumber="87">FFAAS0372</emphasis>
<emphasis bold="true" pageId="0" pageNumber="87">c-d</emphasis>
<emphasis italics="true" pageId="0" pageNumber="87">FFAAS0375</emphasis>
<emphasis bold="true" pageId="0" pageNumber="87">e</emphasis>
<emphasis italics="true" pageId="0" pageNumber="87">FFAAS0373</emphasis>
(Holotype) 
<emphasis bold="true" pageId="0" pageNumber="87">f-g</emphasis>
<emphasis italics="true" pageId="0" pageNumber="87">FFAAS0374</emphasis>
<emphasis bold="true" pageId="0" pageNumber="87">h-i</emphasis>
<emphasis italics="true" pageId="0" pageNumber="87">FFAAS0371</emphasis>
. Scale bars: 10 mm (
<emphasis bold="true" pageId="0" pageNumber="87">a-i</emphasis>
). Photographs 
<emphasis bold="true" pageId="0" pageNumber="87">a, e-i</emphasis>
by Yupeng Ge; 
<emphasis bold="true" pageId="0" pageNumber="87">b</emphasis>
by Junqing Yan; 
<emphasis bold="true" pageId="0" pageNumber="87">c-d</emphasis>
by Qin Na.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="87" type="holotype">
<paragraph pageId="0" pageNumber="87">Holotype.</paragraph>
<paragraph pageId="0" pageNumber="87">
China. Zhejiang Province, Lishui City, Qingtian County, Shigu Lake, 6 Aug 2021, Qin Na, Yupeng Ge, Junqing Yan, Zewei Liu, and Yulan Sun, 
<emphasis italics="true" pageId="0" pageNumber="87">FFAAS0373</emphasis>
(collection no. MY0526).
</paragraph>
<caption doi="10.3897/mycokeys.89.79864.figure6" httpUri="https://binary.pensoft.net/fig/678681" pageId="0" pageNumber="87" start="Figure 6" startId="F6">
<paragraph pageId="0" pageNumber="87">
<emphasis bold="true" pageId="0" pageNumber="87">Figure 6.</emphasis>
Microscopic features of 
<taxonomicName authorityName="Q. Na, H. Zeng &amp; Y. P. Ge" authorityYear="2022" class="Basidiomycetes" family="Porotheleaceae" genus="Gerronema" kingdom="Fungi" lsidName="Gerronema microcarpum" order="Agaricales" pageId="0" pageNumber="87" phylum="Basidiomycota" rank="species" species="microcarpum">
<emphasis italics="true" pageId="0" pageNumber="87">Gerronema microcarpum</emphasis>
</taxonomicName>
Q. Na, H. Zeng &amp; Y.P. Ge. (
<emphasis italics="true" pageId="0" pageNumber="87">FFAAS0373</emphasis>
, Holotype) 
<emphasis bold="true" pageId="0" pageNumber="87">a-e</emphasis>
basidiospores 
<emphasis bold="true" pageId="0" pageNumber="87">f</emphasis>
basidia 
<emphasis bold="true" pageId="0" pageNumber="87">g-i</emphasis>
cheilocystidia 
<emphasis bold="true" pageId="0" pageNumber="87">j</emphasis>
lamellar trama 
<emphasis bold="true" pageId="0" pageNumber="87">k</emphasis>
pileipellis 
<emphasis bold="true" pageId="0" pageNumber="87">l</emphasis>
stipitipellis and caulocystidia. Scale bars: 5 
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="87">a-e</emphasis>
); 10 
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="87">f-l</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="87" type="etymology">
<paragraph pageId="0" pageNumber="87">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="87">Refers to the small basidiomata.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="87" type="description">
<paragraph pageId="0" pageNumber="87">Description.</paragraph>
<paragraph pageId="0" pageNumber="87">
Pileus 1.5-9.0 mm in diam., at first convex, later applanate in the marginal zone, infundibuliform or deeply umbilicate in the center when old, grayish yellow (2B2) to shallow yellowish brown (2C4), shallowly sulcate, translucent-striate, smooth, a bit slimy when moist, but not hygrophanous. Context yellowish white (2A2), thin. Lamellae close to moderately close, shortly decurrent when young, whitish yellow (1A2), decurrent to deeply decurrent when old, concolorous with the sides. Stipe 5.0-18.0 
<normalizedToken originalValue="×">x</normalizedToken>
1.0-2.0 mm, hollow or soon becoming hollow, generally central, equal or with slightly broader base, light yellow (2A2), becoming light brown (5C6) towards the base, pruinose, glabrescent when old, base covered with a few white fibrils. Odor and taste indistinctive.
</paragraph>
<caption doi="10.3897/mycokeys.89.79864.figure7" httpUri="https://binary.pensoft.net/fig/678682" pageId="0" pageNumber="87" start="Figure 7" startId="F7">
<paragraph pageId="0" pageNumber="87">
<emphasis bold="true" pageId="0" pageNumber="87">Figure 7.</emphasis>
Morphological features of 
<taxonomicName authorityName="Q. Na, H. Zeng &amp; Y. P. Ge" authorityYear="2022" class="Basidiomycetes" family="Porotheleaceae" genus="Gerronema" kingdom="Fungi" lsidName="Gerronema microcarpum" order="Agaricales" pageId="0" pageNumber="87" phylum="Basidiomycota" rank="species" species="microcarpum">
<emphasis italics="true" pageId="0" pageNumber="87">Gerronema microcarpum</emphasis>
</taxonomicName>
Q. Na, H. Zeng &amp; Y.P. Ge. (
<emphasis italics="true" pageId="0" pageNumber="87">FFAAS0373</emphasis>
, Holotype) 
<emphasis bold="true" pageId="0" pageNumber="87">a</emphasis>
basidiomata 
<emphasis bold="true" pageId="0" pageNumber="87">b</emphasis>
basidia 
<emphasis bold="true" pageId="0" pageNumber="87">c</emphasis>
basidiospores 
<emphasis bold="true" pageId="0" pageNumber="87">d</emphasis>
cheilocystidia 
<emphasis bold="true" pageId="0" pageNumber="87">e</emphasis>
stipitipellis and caulocystidia 
<emphasis bold="true" pageId="0" pageNumber="87">f</emphasis>
pileipellis. Scale bars: 10 mm (
<emphasis bold="true" pageId="0" pageNumber="87">a</emphasis>
); 10 
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="87">b, d-f</emphasis>
); 5 
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="87">c</emphasis>
). Drawing by Qin Na and Yupeng Ge.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="87">
Basidiospores [140/7/6] (6.1) 6.3-6.8-7.2 (7.5) 
<normalizedToken originalValue="×">x</normalizedToken>
(3.3) 3.5-3.8-4.1 (4.3) 
<normalizedToken originalValue="μm">μm</normalizedToken>
[
<emphasis italics="true" pageId="0" pageNumber="87">Q</emphasis>
= 1.64-1.95, 
<emphasis italics="true" pageId="0" pageNumber="87">Q</emphasis>
= 1.80 
<normalizedToken originalValue="±">+/-</normalizedToken>
0.059] [holotype [40/2/1] (6.1) 6.2-6.7-7.3 (7.5) 
<normalizedToken originalValue="×">x</normalizedToken>
3.4-3.7-4.1 (4.3) 
<normalizedToken originalValue="μm">μm</normalizedToken>
, 
<emphasis italics="true" pageId="0" pageNumber="87">Q</emphasis>
= 1.64-1.95, 
<emphasis italics="true" pageId="0" pageNumber="87">Q</emphasis>
= 1.81 
<normalizedToken originalValue="±">+/-</normalizedToken>
0.066], narrowly ellipsoid to cylindrical, hyaline in water and 5% KOH, inamyloid, smooth. Basidia 25-33 
<normalizedToken originalValue="×">x</normalizedToken>
6-8 
<normalizedToken originalValue="μm">μm</normalizedToken>
, 4-spored, clavate, hyaline. Cheilocystidia common in clavate with rounded apex, 31-35 
<normalizedToken originalValue="×">x</normalizedToken>
5-8 
<normalizedToken originalValue="μm">μm</normalizedToken>
, rarely fusiform, thin-walled and hyaline. Pleurocystidia not seen. Lamellar trama subregular; hyphae 2-5 
<normalizedToken originalValue="μm">μm</normalizedToken>
wide, thin-walled, hyaline, inamyloid. Pileus trama subregular, sarcodimitic. Pileipellis a cutis, hyphae 3-6 
<normalizedToken originalValue="μm">μm</normalizedToken>
wide, light yellow (2B2); terminal elements clavate, utriform, occasionally with coarse excrescences, 19-43 
<normalizedToken originalValue="×">x</normalizedToken>
4-6 
<normalizedToken originalValue="μm">μm</normalizedToken>
, light yellowish brown (2C4) to yellowish brown (2D4) pigment in KOH; true pileocystidia absent. Hyphae of the stipitipellis 2-6 
<normalizedToken originalValue="μm">μm</normalizedToken>
wide, hyaline, smooth; caulocystidia long cylindrical or clavate, 26-65 
<normalizedToken originalValue="×">x</normalizedToken>
4-9 
<normalizedToken originalValue="μm">μm</normalizedToken>
, hyaline, thin-walled. All tissues nonreactive in iodine. Clamps present in all tissues.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="87" type="habit and habitat">
<paragraph pageId="0" pageNumber="87">Habit and habitat.</paragraph>
<paragraph pageId="0" pageNumber="87">
Scattered on rotten wood and twigs in mixed evergreenbroadleaf forests consisting of species of 
<taxonomicName authorityName="Singer" authorityYear="1951" class="Basidiomycetes" family="Fagaceae" genus="Gerronema" kingdom="Fungi" lsidName="" order="Agaricales" pageId="0" pageNumber="87" phylum="Basidiomycota" rank="family">Fagaceae</taxonomicName>
, 
<taxonomicName authorityName="Singer" authorityYear="1951" class="Basidiomycetes" family="Lauraceae" genus="Gerronema" kingdom="Fungi" lsidName="" order="Agaricales" pageId="0" pageNumber="87" phylum="Basidiomycota" rank="family">Lauraceae</taxonomicName>
, 
<taxonomicName authorityName="Singer" authorityYear="1951" class="Basidiomycetes" family="Theaceae" genus="Gerronema" kingdom="Fungi" lsidName="" order="Agaricales" pageId="0" pageNumber="87" phylum="Basidiomycota" rank="family">Theaceae</taxonomicName>
, 
<taxonomicName authorityName="Singer" authorityYear="1951" class="Basidiomycetes" family="Ericaceae" genus="Gerronema" kingdom="Fungi" lsidName="" order="Agaricales" pageId="0" pageNumber="87" phylum="Basidiomycota" rank="family">Ericaceae</taxonomicName>
, 
<taxonomicName authorityName="Singer" authorityYear="1951" class="Basidiomycetes" family="Symplocaceae" genus="Gerronema" kingdom="Fungi" lsidName="" order="Agaricales" pageId="0" pageNumber="87" phylum="Basidiomycota" rank="family">Symplocaceae</taxonomicName>
, 
<taxonomicName authorityName="Singer" authorityYear="1951" class="Basidiomycetes" family="Pinaceae" genus="Gerronema" kingdom="Fungi" lsidName="" order="Agaricales" pageId="0" pageNumber="87" phylum="Basidiomycota" rank="family">Pinaceae</taxonomicName>
, etc. Subtropical monsoon climate or subtropical humid climate.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="87" type="materials_examined">
<paragraph pageId="0" pageNumber="87">Other specimens examined.</paragraph>
<paragraph pageId="0" pageNumber="87">
Anhui Province, Chizhou City, Shitai County, Dayan Village, Guniujiang National Natural Reserve, 
<date value="2019-08-31">31 Aug 2019</date>
, Qin Na, Yupeng Ge, Hui Zeng, Liangliang Qi, and Junqing Yan, 
<emphasis italics="true" pageId="0" pageNumber="87">FFAAS0365</emphasis>
(collection no. MY0259); Fujian Province, Nanping City, Wuyi Mountain, 
<date value="2020-07-25">25 Jul 2020</date>
, Qin Na, Yupeng Ge, Yaping Hu, Hui Zeng, and Zewei Liu, 
<emphasis italics="true" pageId="0" pageNumber="87">FFAAS0375</emphasis>
(collection no. MY0544); Zhejiang Province, Hangzhou City, Tianmu Mountain, 
<date value="2021-07-30">30 Jul 2021</date>
, Qin Na, Yupeng Ge, Zewei Liu, and Yulan Sun, 
<emphasis italics="true" pageId="0" pageNumber="87">FFAAS0371</emphasis>
(collection no. MY0424); Lishui City, Liandu District, Baiyun National Forest Park, 
<date value="2021-08-02">2 Aug 2021</date>
, Qin Na, Yupeng Ge, Zewei Liu, and Yulan Sun, 
<emphasis italics="true" pageId="0" pageNumber="87">FFAAS0372</emphasis>
(collection no. MY0478), Qingtian County, Shigu Lake, 
<date value="2021-08-06">6 Aug 2021</date>
, Qin Na, Yupeng Ge, Junqing Yan, Zewei Liu, and Yulan Sun, 
<emphasis italics="true" pageId="0" pageNumber="87">FFAAS0374</emphasis>
(collection no. MY0527).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="87" type="remarks">
<paragraph pageId="0" pageNumber="87">Remarks.</paragraph>
<paragraph pageId="0" pageNumber="87">
Characteristics such as tiny omphalinoid basidiomata, decurrent lamellae, inamyloid and narrowly ellipsoid to cylindrical basidiospores, sarcodimitic tramal tissues, a pileipellis with pigmented terminal elements, and long cylindrical or clavate caulocystidia support the placement of this species in 
<taxonomicName authorityName="Singer" authorityYear="1951" class="Basidiomycetes" family="Porotheleaceae" genus="Gerronema" kingdom="Fungi" lsidName="Gerronema" order="Agaricales" pageId="0" pageNumber="87" phylum="Basidiomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="87">Gerronema</emphasis>
</taxonomicName>
(
<bibRefCitation author="Singer, R" journalOrPublisher="Flora Neotropica" pageId="0" pageNumber="87" pagination="1 - 84" publicationUrl="http://www.jstor.org/stable/4393664" refId="B56" refString="Singer, R, 1970. Omphalinae (Clitocybeae - Tricholomataceae, Basidiomycetes). Flora Neotropica 3: 1 - 84, http://www.jstor.org/stable/4393664" title="Omphalinae (Clitocybeae - Tricholomataceae, Basidiomycetes)." url="http://www.jstor.org/stable/4393664" volume="3" year="1970">Singer 1970</bibRefCitation>
, 
<bibRefCitation author="Singer, R" journalOrPublisher="Koeltz Scientific Books, Koenigstein" pageId="0" pageNumber="87" refId="B58" refString="Singer, R, 1986. The Agaricales in modern taxonomy, 4th edn. Koeltz Scientific Books, Koenigstein" title="The Agaricales in modern taxonomy, 4 th edn." year="1986">1986</bibRefCitation>
; 
<bibRefCitation author="Norvell, L" journalOrPublisher="Mycotaxon" pageId="0" pageNumber="87" pagination="379 - 407" refId="B44" refString="Norvell, L, Redhead, S, Ammirati, J, 1994. Omphalina sensu lato in North America 1-2. 1: Omphalina wynniae and the genus Chrysomphalina. 2: Omphalina sensu Bigelow. Mycotaxon 50: 379 - 407" title="Omphalina sensu lato in North America 1 - 2. 1: Omphalina wynniae and the genus Chrysomphalina. 2: Omphalina sensu Bigelow." volume="50" year="1994">Norvell et al. 1994</bibRefCitation>
). Because of its small basidiomata, decurrent lamellae, and subregular pileus trama, 
<taxonomicName genus="G." kingdom="Fungi" lsidName="G. kuruvense" pageId="0" pageNumber="87" rank="species" species="kuruvense">
<emphasis italics="true" pageId="0" pageNumber="87">G. kuruvense</emphasis>
</taxonomicName>
is difficult to distinguish from 
<taxonomicName genus="G." kingdom="Fungi" lsidName="G. microcarpum" pageId="0" pageNumber="87" rank="species" species="microcarpum">
<emphasis italics="true" pageId="0" pageNumber="87">G. microcarpum</emphasis>
</taxonomicName>
, but its pileus is orange yellow all over, no cheilocystidia or pleurocystidia are present, and its pileocystidia and caulocystidia are somewhat thick-walled (
<bibRefCitation DOI="https://doi.org/10.11646/phytotaxa.364.1.5" author="Latha, KPD" journalOrPublisher="Phytotaxa" pageId="0" pageNumber="87" pagination="081 - 091" refId="B30" refString="Latha, KPD, Nanu, S, Sharafudheen, SA, Manimohan, P, 2018. Two new species of Gerronema (Agaricales, Basidiomycota) from Kerala State, India. Phytotaxa 364 (1): 081 - 091, DOI: https://doi.org/10.11646/phytotaxa.364.1.5" title="Two new species of Gerronema (Agaricales, Basidiomycota) from Kerala State, India." url="https://doi.org/10.11646/phytotaxa.364.1.5" volume="364" year="2018">Latha et al. 2018</bibRefCitation>
). 
<taxonomicName class="Basidiomycetes" family="Porotheleaceae" genus="Gerronema" kingdom="Fungi" lsidName="Gerronema nemorale" order="Agaricales" pageId="0" pageNumber="87" phylum="Basidiomycota" rank="species" species="nemorale">
<emphasis italics="true" pageId="0" pageNumber="87">Gerronema nemorale</emphasis>
</taxonomicName>
has certain morphological similarities to 
<taxonomicName genus="G." kingdom="Fungi" lsidName="G. microcarpum" pageId="0" pageNumber="87" rank="species" species="microcarpum">
<emphasis italics="true" pageId="0" pageNumber="87">G. microcarpum</emphasis>
</taxonomicName>
, namely, the presence of tiny yellowish basidiomata, decurrent lamellae, and cylindrical basidiospores (
<bibRefCitation DOI="https://doi.org/10.33585/cmy.60204" author="Antonin, V" journalOrPublisher="Czech Mycology" pageId="0" pageNumber="87" pagination="197 - 212" refId="B1" refString="Antonin, V, Ryoo, R, Shin, HD, 2008. Gerronema nemorale (Basidiomycota, Agaricomycetes): Anatomic-morphological, cultivational, enzymatic and molecular characteristics and its first records in the Republic of Korea. Czech Mycology 60 (2): 197 - 212, DOI: https://doi.org/10.33585/cmy.60204" title="Gerronema nemorale (Basidiomycota, Agaricomycetes): Anatomic-morphological, cultivational, enzymatic and molecular characteristics and its first records in the Republic of Korea." url="https://doi.org/10.33585/cmy.60204" volume="60" year="2008">
<normalizedToken originalValue="Antonín">Antonin</normalizedToken>
et al. 2008
</bibRefCitation>
, 
<bibRefCitation DOI="https://doi.org/10.33585/cmy.63101" author="Antonin, V" journalOrPublisher="Czech Mycology" pageId="0" pageNumber="87" pagination="1 - 11" refId="B2" refString="Antonin, V, Beran, M, Borovicka, J, Dvorak, D, Holec, J, 2011. Clitocybula familia (Fungi, Agaricales) - taxonomy, distribution, ecology and first records in the Czech Republic and Slovakia. Czech Mycology 63 (1): 1 - 11, DOI: https://doi.org/10.33585/cmy.63101" title="Clitocybula familia (Fungi, Agaricales) - taxonomy, distribution, ecology and first records in the Czech Republic and Slovakia." url="https://doi.org/10.33585/cmy.63101" volume="63" year="2011">2011</bibRefCitation>
; 
<bibRefCitation DOI="https://doi.org/10.1111/j.1744-697X.2009.00170.x" author="Takashi, O" journalOrPublisher="Japanese Society of Grassland Science" pageId="0" pageNumber="87" pagination="31 - 36" refId="B61" refString="Takashi, O, 2009. Decomposition of grass leaves by ligninolytic litter-decomposing fungi. Japanese Society of Grassland Science 56: 31 - 36, DOI: https://doi.org/10.1111/j.1744-697X.2009.00170.x" title="Decomposition of grass leaves by ligninolytic litter-decomposing fungi." url="https://doi.org/10.1111/j.1744-697X.2009.00170.x" volume="56" year="2009">Takashi 2009</bibRefCitation>
). However, 
<taxonomicName genus="G." kingdom="Fungi" lsidName="G. nemorale" pageId="0" pageNumber="87" rank="species" species="nemorale">
<emphasis italics="true" pageId="0" pageNumber="87">G. nemorale</emphasis>
</taxonomicName>
differs in having a pileus with an olive tint, a longer stipe with conspicuous white mycelioid bristles, and larger terminal elements of the pileipellis (up to 150 
<normalizedToken originalValue="μm">μm</normalizedToken>
) (
<bibRefCitation DOI="https://doi.org/10.33585/cmy.60204" author="Antonin, V" journalOrPublisher="Czech Mycology" pageId="0" pageNumber="87" pagination="197 - 212" refId="B1" refString="Antonin, V, Ryoo, R, Shin, HD, 2008. Gerronema nemorale (Basidiomycota, Agaricomycetes): Anatomic-morphological, cultivational, enzymatic and molecular characteristics and its first records in the Republic of Korea. Czech Mycology 60 (2): 197 - 212, DOI: https://doi.org/10.33585/cmy.60204" title="Gerronema nemorale (Basidiomycota, Agaricomycetes): Anatomic-morphological, cultivational, enzymatic and molecular characteristics and its first records in the Republic of Korea." url="https://doi.org/10.33585/cmy.60204" volume="60" year="2008">
<normalizedToken originalValue="Antonín">Antonin</normalizedToken>
et al. 2008
</bibRefCitation>
, 
<bibRefCitation DOI="https://doi.org/10.33585/cmy.63101" author="Antonin, V" journalOrPublisher="Czech Mycology" pageId="0" pageNumber="87" pagination="1 - 11" refId="B2" refString="Antonin, V, Beran, M, Borovicka, J, Dvorak, D, Holec, J, 2011. Clitocybula familia (Fungi, Agaricales) - taxonomy, distribution, ecology and first records in the Czech Republic and Slovakia. Czech Mycology 63 (1): 1 - 11, DOI: https://doi.org/10.33585/cmy.63101" title="Clitocybula familia (Fungi, Agaricales) - taxonomy, distribution, ecology and first records in the Czech Republic and Slovakia." url="https://doi.org/10.33585/cmy.63101" volume="63" year="2011">2011</bibRefCitation>
; 
<bibRefCitation DOI="https://doi.org/10.1111/j.1744-697X.2009.00170.x" author="Takashi, O" journalOrPublisher="Japanese Society of Grassland Science" pageId="0" pageNumber="87" pagination="31 - 36" refId="B61" refString="Takashi, O, 2009. Decomposition of grass leaves by ligninolytic litter-decomposing fungi. Japanese Society of Grassland Science 56: 31 - 36, DOI: https://doi.org/10.1111/j.1744-697X.2009.00170.x" title="Decomposition of grass leaves by ligninolytic litter-decomposing fungi." url="https://doi.org/10.1111/j.1744-697X.2009.00170.x" volume="56" year="2009">Takashi 2009</bibRefCitation>
). Compared with 
<taxonomicName genus="G." kingdom="Fungi" lsidName="G. microcarpum" pageId="0" pageNumber="87" rank="species" species="microcarpum">
<emphasis italics="true" pageId="0" pageNumber="87">G. microcarpum</emphasis>
</taxonomicName>
, 
<taxonomicName genus="G." kingdom="Fungi" lsidName="G. subchrysophyllum" pageId="0" pageNumber="87" rank="species" species="subchrysophyllum">
<emphasis italics="true" pageId="0" pageNumber="87">G. subchrysophyllum</emphasis>
</taxonomicName>
(Murrill) Singer has an olive-umber pileus fading to grayish when old, larger and ellipsoid basidiospores (4.3-8.5 
<normalizedToken originalValue="×">x</normalizedToken>
2.5-6.3 
<normalizedToken originalValue="μm">μm</normalizedToken>
), and sometimes basidiole-like cheilocystidia (
<bibRefCitation author="Singer, R" journalOrPublisher="Flora Neotropica" pageId="0" pageNumber="87" pagination="1 - 84" publicationUrl="http://www.jstor.org/stable/4393664" refId="B56" refString="Singer, R, 1970. Omphalinae (Clitocybeae - Tricholomataceae, Basidiomycetes). Flora Neotropica 3: 1 - 84, http://www.jstor.org/stable/4393664" title="Omphalinae (Clitocybeae - Tricholomataceae, Basidiomycetes)." url="http://www.jstor.org/stable/4393664" volume="3" year="1970">Singer 1970</bibRefCitation>
). 
<taxonomicName class="Basidiomycetes" family="Porotheleaceae" genus="Gerronema" kingdom="Fungi" lsidName="Gerronema keralense" order="Agaricales" pageId="0" pageNumber="87" phylum="Basidiomycota" rank="species" species="keralense">
<emphasis italics="true" pageId="0" pageNumber="87">Gerronema keralense</emphasis>
</taxonomicName>
and 
<taxonomicName genus="G." kingdom="Fungi" lsidName="G. strombodes" pageId="0" pageNumber="87" rank="species" species="strombodes">
<emphasis italics="true" pageId="0" pageNumber="87">G. strombodes</emphasis>
</taxonomicName>
are easily mistaken for 
<taxonomicName genus="G." kingdom="Fungi" lsidName="G. microcarpum" pageId="0" pageNumber="87" rank="species" species="microcarpum">
<emphasis italics="true" pageId="0" pageNumber="87">G. microcarpum</emphasis>
</taxonomicName>
, but both the two closely related species are distinguishable by their absence of cheilocystidia or their partially thick-walled pileipellis and stipitipellis (
<bibRefCitation author="Singer, R" journalOrPublisher="Flora Neotropica" pageId="0" pageNumber="87" pagination="1 - 84" publicationUrl="http://www.jstor.org/stable/4393664" refId="B56" refString="Singer, R, 1970. Omphalinae (Clitocybeae - Tricholomataceae, Basidiomycetes). Flora Neotropica 3: 1 - 84, http://www.jstor.org/stable/4393664" title="Omphalinae (Clitocybeae - Tricholomataceae, Basidiomycetes)." url="http://www.jstor.org/stable/4393664" volume="3" year="1970">Singer 1970</bibRefCitation>
; 
<bibRefCitation DOI="https://doi.org/10.33585/cmy.60204" author="Antonin, V" journalOrPublisher="Czech Mycology" pageId="0" pageNumber="87" pagination="197 - 212" refId="B1" refString="Antonin, V, Ryoo, R, Shin, HD, 2008. Gerronema nemorale (Basidiomycota, Agaricomycetes): Anatomic-morphological, cultivational, enzymatic and molecular characteristics and its first records in the Republic of Korea. Czech Mycology 60 (2): 197 - 212, DOI: https://doi.org/10.33585/cmy.60204" title="Gerronema nemorale (Basidiomycota, Agaricomycetes): Anatomic-morphological, cultivational, enzymatic and molecular characteristics and its first records in the Republic of Korea." url="https://doi.org/10.33585/cmy.60204" volume="60" year="2008">
<normalizedToken originalValue="Antonín">Antonin</normalizedToken>
et al. 2008
</bibRefCitation>
; 
<bibRefCitation DOI="https://doi.org/10.11646/phytotaxa.364.1.5" author="Latha, KPD" journalOrPublisher="Phytotaxa" pageId="0" pageNumber="87" pagination="081 - 091" refId="B30" refString="Latha, KPD, Nanu, S, Sharafudheen, SA, Manimohan, P, 2018. Two new species of Gerronema (Agaricales, Basidiomycota) from Kerala State, India. Phytotaxa 364 (1): 081 - 091, DOI: https://doi.org/10.11646/phytotaxa.364.1.5" title="Two new species of Gerronema (Agaricales, Basidiomycota) from Kerala State, India." url="https://doi.org/10.11646/phytotaxa.364.1.5" volume="364" year="2018">Latha et al. 2018</bibRefCitation>
; 
<bibRefCitation DOI="https://doi.org/10.5941/MYCO.2014.42.1.22" author="Kim, CS" journalOrPublisher="Mycobiology" pageId="0" pageNumber="87" pagination="22 - 26" refId="B24" refString="Kim, CS, Jo, JW, Kwag, YN, Han, JG, Shrestha, B, Sung, GH, Han, SK, 2014. Taxonomic Re-evaluation of Megacollybia Species in Korea. Mycobiology 42 (1): 22 - 26, DOI: https://doi.org/10.5941/MYCO.2014.42.1.22" title="Taxonomic Re-evaluation of Megacollybia Species in Korea." url="https://doi.org/10.5941/MYCO.2014.42.1.22" volume="42" year="2014">Kim et al. 2014</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>