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<document id="51ECDC586E2B6B4D4109B5D6449FB6B1" ID-DOI="10.11646/phytotaxa.202.3.2" ID-ISSN="1179-3163" ID-Zenodo-Dep="13641598" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725347199346" checkinUser="felipe" docAuthor="Wang, Zhuo-Ren, Callac, Philippe, Zhou, Jun-Liang, Fu, Wen-Jin, Dui, San-Han &amp; Zhao, Rui-Lin" docDate="2015" docId="270BE26D5467775AFF0BA64637FE6EA3" docLanguage="en" docName="phytotaxa.202.3.2.pdf" docOrigin="Phytotaxa 202 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.202.3.2" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Agaricus desjardinii Z. R. Wang, K. D. Hyde &amp; R. L. Zhao 2015, spec. nov." docType="treatment" docVersion="2" lastPageNumber="191" masterDocId="DB329A155464775CFF83A00936706C76" masterDocTitle="Edible species of Agaricus (Agaricaceae) from Xinjiang Province (Western China)" masterLastPageNumber="197" masterPageNumber="185" pageNumber="188" updateTime="1725353205208" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="50B778293F45065926A43D291F7F8F87">Edible species of Agaricus (Agaricaceae) from Xinjiang Province (Western China)</mods:title>
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<mods:namePart id="6FA9AAB10CC26FE4B7669948118A8EC9">Wang, Zhuo-Ren</mods:namePart>
<mods:affiliation id="9B471CDEB16EF22118E12C71B79CDE54">College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei Province 430070, China &amp; Avda. Padre Claret 7, 5 º G, 09400 Aranda de Duero, Burgos, Spain</mods:affiliation>
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<mods:namePart id="0586CCF86974BF7AB50A7315D25F58C2">Callac, Philippe</mods:namePart>
<mods:affiliation id="0B82EA961179350C609F135DB9D670E4">INRA, UR 1264, MycSA, CS 20032, BP 81, F- 33882 Villenave dOrnon, France</mods:affiliation>
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<mods:namePart id="C413F5FE3A50944934225B61A7A2EB08">Zhou, Jun-Liang</mods:namePart>
<mods:affiliation id="0DE325888C289EBB166D2A0F7AE69668">The State Key Lab of Mycology, Institute of Microbiology, Chinese Academic of Science, Beijing 100101, China &amp; Institute of Microbiology, Beijing Forestry University, Beijing 100083, China</mods:affiliation>
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<mods:namePart id="04FAD7CF23301D2F8CB27C6EB4C98FEA">Fu, Wen-Jin</mods:namePart>
<mods:affiliation id="A85AA5B155506B2810E7B34E90474D8F">Institute of Agricultural Science, Agricultural Division 5 of Xinjiang Production and Construction Corps, Bortala, Xinjiang Province, China</mods:affiliation>
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<mods:namePart id="BF25FB1E217507770D05DE8693C27F0A">Dui, San-Han</mods:namePart>
<mods:affiliation id="FF5FD091F86DA231F3A72EC6894C39E9">Institute of Agricultural Science, Agricultural Division 5 of Xinjiang Production and Construction Corps, Bortala, Xinjiang Province, China &amp; School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand &amp; Institute of Excellence in Fungal Research, and School of Science, Mae Fah Luang &amp; Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 1145, Saudi Arabia</mods:affiliation>
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<mods:namePart id="8CF02D22E14B83A1B8360DB4A8492009">Zhao, Rui-Lin</mods:namePart>
<mods:affiliation id="5A91918E67D4BCB1116ECB59FDE943BD">The State Key Lab of Mycology, Institute of Microbiology, Chinese Academic of Science, Beijing 100101, China</mods:affiliation>
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<mods:title id="A4AC7B36B592D731AF265942E57A4D91">Phytotaxa</mods:title>
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<mods:date id="AC47C62DE5B73763415C2DE5A1CC79DF">2015</mods:date>
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<treatment id="270BE26D5467775AFF0BA64637FE6EA3" LSID="urn:lsid:plazi:treatment:270BE26D5467775AFF0BA64637FE6EA3" httpUri="http://treatment.plazi.org/id/270BE26D5467775AFF0BA64637FE6EA3" lastPageId="6" lastPageNumber="191" pageId="3" pageNumber="188">
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<paragraph id="AF1D537B5467775FFF0BA64632C26A1F" blockId="3.[136,1202,1614,1641]" box="[136,1202,1614,1641]" pageId="3" pageNumber="188">
<heading id="F455E4175467775FFF0BA64632C26A1F" box="[136,1202,1614,1641]" fontSize="11" level="2" pageId="3" pageNumber="188" reason="3">
<taxonomicName id="68A228F85467775FFF0BA64635636A1F" ID-CoL="65NCC" authority="Z.R. Wang, K.D. Hyde &amp; R.L. Zhao" authorityName="Z. R. Wang, K. D. Hyde &amp; R. L. Zhao" authorityYear="2015" box="[136,787,1614,1641]" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="3" pageNumber="188" phylum="Basidiomycota" rank="species" species="desjardinii" status="sp. nov.">
<emphasis id="9DD68F695467775FFF0BA64637026A1F" bold="true" box="[136,370,1614,1641]" italics="true" pageId="3" pageNumber="188">Agaricus desjardinii</emphasis>
Z.R. Wang, K.D. Hyde &amp; R.L. Zhao
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,
<emphasis id="9DD68F695467775FFC9DA65935FC6A1F" box="[798,908,1616,1641]" italics="true" pageId="3" pageNumber="188">
<taxonomicNameLabel id="86E532125467775FFC9DA65935FC6A1F" box="[798,908,1616,1641]" pageId="3" pageNumber="188" rank="species">spec. nov.</taxonomicNameLabel>
</emphasis>
(Figure 2: AC; Figure 3)
</heading>
</paragraph>
<paragraph id="AF1D537B5467775FFF0BA67D37EA6AFB" blockId="3.[136,410,1652,1677]" box="[136,410,1652,1677]" pageId="3" pageNumber="188">MycoBank: MB 810517</paragraph>
</subSubSection>
<subSubSection id="E7B800F05467775AFF0BA6BD37FE6EA3" lastPageId="6" lastPageNumber="191" pageId="3" pageNumber="188" type="description">
<paragraph id="AF1D537B5467775FFF0BA6BD37B56A9B" blockId="3.[136,1451,1716,1773]" pageId="3" pageNumber="188">
Typus:—
<collectingCountry id="D7B513EB5467775FFF62A6BD37406ABF" box="[225,304,1716,1737]" name="China" pageId="3" pageNumber="188">CHINA</collectingCountry>
,
<collectingRegion id="6D669D995467775FFEBFA6BD37806ABF" box="[316,496,1716,1737]" country="China" name="Xinjiang Uygur" pageId="3" pageNumber="188">Xinjiang Province</collectingRegion>
, Bortala, Ebinur Lake,
<date id="DB1C75BB5467775FFD59A6BD35116ABF" box="[730,865,1716,1737]" pageId="3" pageNumber="188" value="2012-05-10">10 May 2012</date>
,
<emphasis id="9DD68F695467775FFCEDA6BD32776ABF" box="[878,1031,1716,1737]" italics="true" pageId="3" pageNumber="188">WZR2012 8212</emphasis>
, collected by Zhuo-Ren Wang, (
<typeStatus id="7019EDD95467775FFAC8A6BD33DB6ABF" box="[1355,1451,1716,1737]" pageId="3" pageNumber="188" type="holotype">holotypus</typeStatus>
HMAS!,
<typeStatus id="7019EDD95467775FFE94A6D137176A9B" box="[279,359,1752,1773]" pageId="3" pageNumber="188" type="isotype">isotypus</typeStatus>
SWFC!).
</paragraph>
<paragraph id="AF1D537B54677758FF0BA71E37646CAB" blockId="3.[136,1452,1815,2092]" lastBlockId="4.[136,1452,160,221]" lastPageId="4" lastPageNumber="189" pageId="3" pageNumber="188">
Pileus 3050(80) mm in diameter, usually pulvinate (cushion-like) or parabolic when young, plane to slightly depressed at the center with inrolled margin; surface covered by thick, large, triangular scales, erect or recurved, white, light brown, and quickly discolouring, reddish-brown, brown, or dark brown on bruising or dehydration. Lamellae free, crowded, narrow, up to
<quantity id="685AFE9E5467775FFE51A78A34646BEA" box="[466,532,1923,1948]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="3" pageNumber="188" unit="mm" value="5.0">5 mm</quantity>
wide, edge entire, concolorous with lamellae sides. Lamellulae in several series. Stipe 4060 ×
<quantity id="685AFE9E5467775FFEACA7AE37DB6BB6" box="[303,427,1959,1984]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="3" pageNumber="188" unit="mm" value="25.0" valueMax="30.0" valueMin="20.0">2030 mm</quantity>
, cylindrical, or ventricose fusiform, straight or curved, with tapering base, stuffed; surface below the annulus covered by scales which are similar to those of pileus, recurved, white, but soon becoming reddish-brown to brown on touching, surface above the annulus glabrous, white. Annulus intermediate, persistent, single, thick and narrow (band-like), fibrillose, up to
<quantity id="685AFE9E5467775FFDC8A81A34FC645A" box="[587,652,2067,2092]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="3" pageNumber="188" unit="mm" value="4.0">4 mm</quantity>
broad, smooth at the upper side and floccose at the lower side. Context firm, white to light greyish-white, discolouring reddish-brown, especially in the pileus and the stipe base. Odour mushroomy.
</paragraph>
<caption id="FBDD03F354607758FF0BA77A350B646C" ID-DOI="http://doi.org/10.5281/zenodo.13641602" ID-Zenodo-Dep="13641602" httpUri="https://zenodo.org/record/13641602/files/figure.png" pageId="4" pageNumber="189" startId="4.[136,229,1907,1928]" targetBox="[169,1427,230,1893]" targetPageId="4" targetType="figure">
<paragraph id="AF1D537B54607758FF0BA77A350B646C" blockId="4.[136,1452,1907,2074]" pageId="4" pageNumber="189">
<emphasis id="9DD68F6954607758FF0BA77A36956BFE" bold="true" box="[136,229,1907,1928]" pageId="4" pageNumber="189">FIGURE</emphasis>
2. Macrocharacters. AC.
<taxonomicName id="68A228F854607758FE6BA77A341A6BFE" authorityName="Wang &amp; Callac &amp; Zhou &amp; Fu &amp; Dui &amp; Zhao" authorityYear="2015" box="[488,618,1907,1928]" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="4" pageNumber="189" phylum="Basidiomycota" rank="species" species="desjardinii" status="sp. nov.">
<emphasis id="9DD68F6954607758FE6BA77A341A6BFE" box="[488,618,1907,1928]" italics="true" pageId="4" pageNumber="189">A. desjardinii</emphasis>
</taxonomicName>
<taxonomicNameLabel id="86E5321254607758FDF3A77A34CB6BFE" box="[624,699,1907,1928]" pageId="4" pageNumber="189" rank="species">sp. nov.</taxonomicNameLabel>
AB specimen WZR20128212, Holotype, note the scaly pileus and surface of stipe; C specimen WZR2012907, note the reddish-brown discolouration on cutting. DH.
<taxonomicName id="68A228F854607758FC6BA79932246BD3" box="[1000,1108,1936,1957]" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="4" pageNumber="189" phylum="Basidiomycota" rank="species" species="padanus">
<emphasis id="9DD68F6954607758FC6BA79932246BD3" box="[1000,1108,1936,1957]" italics="true" pageId="4" pageNumber="189">A. padanus</emphasis>
</taxonomicName>
. D, E, G specimen WZR20128213; F specimen WZRXinjiang2 and H specimen WZR2012904. Note the pileal surface in D, annulus in E, remnants of the sheath on the stipe in E and F, the universal veil in G; the reddish-brown discolouration on cutting in H). IL.
<taxonomicName id="68A228F854607758FBB2A7C232A46B96" authorityName="Wang &amp; Callac &amp; Zhou &amp; Fu &amp; Dui &amp; Zhao" authorityYear="2015" box="[1073,1236,1995,2016]" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="4" pageNumber="189" phylum="Basidiomycota" rank="species" species="sinodeliciosus" status="sp. nov.">
<emphasis id="9DD68F6954607758FBB2A7C232A46B96" box="[1073,1236,1995,2016]" italics="true" pageId="4" pageNumber="189">A. sinodeliciosus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="86E5321254607758FB58A7C233576B96" box="[1243,1319,1995,2016]" pageId="4" pageNumber="189" rank="species">sp. nov.</taxonomicNameLabel>
IJ specimen WZR2012822, note the reddish-brown discolouration in the exposed context; K specimen WZR2012824, mature basidiome and median annulus; and L specimen WZRXinjiang1, note the stipe surface. Bar = 10 mm.
</paragraph>
</caption>
<caption id="FBDD03F354617759FF0BA57837A769DC" ID-DOI="http://doi.org/10.5281/zenodo.13641604" ID-Zenodo-Dep="13641604" httpUri="https://zenodo.org/record/13641604/files/figure.png" pageId="5" pageNumber="190" startId="5.[136,229,1393,1414]" targetBox="[313,1308,221,1365]" targetPageId="5" targetType="figure">
<paragraph id="AF1D537B54617759FF0BA57837A769DC" blockId="5.[136,1451,1393,1450]" pageId="5" pageNumber="190">
<emphasis id="9DD68F6954617759FF0BA578369569F0" bold="true" box="[136,229,1393,1414]" pageId="5" pageNumber="190">FIGURE</emphasis>
3. Microcharacters of
<taxonomicName id="68A228F854617759FE42A578343369F0" authorityName="Wang &amp; Callac &amp; Zhou &amp; Fu &amp; Dui &amp; Zhao" authorityYear="2015" box="[449,579,1393,1414]" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="5" pageNumber="190" phylum="Basidiomycota" rank="species" species="desjardinii" status="sp. nov.">
<emphasis id="9DD68F6954617759FE42A578343369F0" box="[449,579,1393,1414]" italics="true" pageId="5" pageNumber="190">A. desjardinii</emphasis>
</taxonomicName>
<taxonomicNameLabel id="86E5321254617759FDC9A57834E569F0" box="[586,661,1393,1414]" pageId="5" pageNumber="190" rank="species">sp. nov.</taxonomicNameLabel>
A. Basidiospores. B. Basidia. C. Pileipellis hyphae. Bars: A = 2 μm; B = 4 μm; C = 10 μm. (Drawing by R.L. Zhao).
</paragraph>
</caption>
<paragraph id="AF1D537B54617759FF3EA5D235B56982" blockId="5.[136,1452,1499,2064]" box="[189,965,1499,1524]" pageId="5" pageNumber="190">Macrochemical reactions: KOH negative; Schäffer reaction negative.</paragraph>
<paragraph id="AF1D537B54617759FF3EA5F634A46ABA" blockId="5.[136,1452,1499,2064]" pageId="5" pageNumber="190">Basidiospores 6.28 × 4.96.8 μm, avX = 7 ± 0.5 × 5.7 ± 0.6 μm, Q = 1.11.4, avQ = 1.23, n = 25, subsphaerical to broadly ellipsoid, smooth, thick-walled, brown, without apical pore. Basidia 3040 × 47 μm, clavate or narrowed and cylindrical towards the base, hyaline, 2 or 4-spored, with sterigmata 24 μm long. Cheilocystidia and pleurocystidia absent. Pileipellis a cutis composed of cells 4352 × 710 μm, cylindrical, branched, smooth, slightly constricted at the septa, with yellowish-brown parietal pigment. Annulus composed of cells 4050 × 812 μm, hyaline, smooth, constricted at septa, distinctly inflated near the ends.</paragraph>
<paragraph id="AF1D537B54617759FF3EA6DE375B6B4E" blockId="5.[136,1452,1499,2064]" pageId="5" pageNumber="190">
<emphasis id="9DD68F6954617759FF3EA6DE375F6A86" box="[189,303,1751,1776]" italics="true" pageId="5" pageNumber="190">Diagnosis</emphasis>
:—This species can be distinguished within section
<taxonomicName id="68A228F854617759FC04A6DE32176A86" box="[903,1127,1751,1776]" pageId="5" pageNumber="190" rank="section" section="Nigrobrunnescentes">
<emphasis id="9DD68F6954617759FC04A6DE32176A86" box="[903,1127,1751,1776]" italics="true" pageId="5" pageNumber="190">Nigrobrunnescentes</emphasis>
</taxonomicName>
by its large recurved scales on the pileus, larger spores, quick and strong reddish-brown or brown discolouration on bruising and absence of cheilocystidia.
</paragraph>
<paragraph id="AF1D537B54617759FF3EA74A37606BF6" blockId="5.[136,1452,1499,2064]" pageId="5" pageNumber="190">
<emphasis id="9DD68F6954617759FF3EA74A34646B2A" box="[189,532,1859,1884]" italics="true" pageId="5" pageNumber="190">Habit, habitat and distribution</emphasis>
:—gregarious, often in groups of two basidiomata in reedy grassland. Only known from
<collectingCountry id="D7B513EB54617759FF45A76E377D6BF6" box="[198,269,1895,1920]" name="China" pageId="5" pageNumber="190">China</collectingCountry>
.
</paragraph>
<paragraph id="AF1D537B54617759FF3EA78237B66BBE" blockId="5.[136,1452,1499,2064]" pageId="5" pageNumber="190">
<emphasis id="9DD68F6954617759FF3EA78237456BD2" box="[189,309,1931,1956]" italics="true" pageId="5" pageNumber="190">Etymology</emphasis>
:—the epithet
<taxonomicName id="68A228F854617759FE5AA782342F6BD2" authorityName="Wang &amp; Callac &amp; Zhou &amp; Fu &amp; Dui &amp; Zhao" authorityYear="2015" box="[473,607,1931,1956]" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="5" pageNumber="190" phylum="Basidiomycota" rank="species" species="desjardinii">“desjardinii</taxonomicName>
” honors the mycologist Dennis E. Desjardin who is one of authors of the section
<taxonomicName id="68A228F854617759FF5DA7A637CE6BBE" box="[222,446,1967,1992]" pageId="5" pageNumber="190" rank="section" section="Nigrobrunnescentes">
<emphasis id="9DD68F6954617759FF5DA7A637CE6BBE" box="[222,446,1967,1992]" italics="true" pageId="5" pageNumber="190">Nigrobrunnescentes</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="AF1D537B54617759FF3EA7DA34DF6466" blockId="5.[136,1452,1499,2064]" pageId="5" pageNumber="190">
<emphasis id="9DD68F6954617759FF3EA7DA37986B9A" box="[189,488,2003,2028]" italics="true" pageId="5" pageNumber="190">Other materials examined</emphasis>
:—
<materialsCitation id="1FCA592654617759FD89A7DA34DB6466" collectingDate="2012-05-10" collectionCode="SWFC, HMAS" collectorName="Zhuo-Ren Wang" country="China" location="Ebinur Lake" municipality="Bortala" pageId="5" pageNumber="190" specimenCount="1" stateProvince="Xinjiang Uygur">
<collectingCountry id="D7B513EB54617759FD89A7DA34186B9A" box="[522,616,2003,2028]" name="China" pageId="5" pageNumber="190">CHINA</collectingCountry>
,
<collectingRegion id="6D669D9954617759FDF5A7DA35386B9A" box="[630,840,2003,2028]" country="China" name="Xinjiang Uygur" pageId="5" pageNumber="190">Xinjiang Province</collectingRegion>
,
<collectingMunicipality id="4F79C90154617759FCD4A7DA35DC6B9A" box="[855,940,2003,2028]" pageId="5" pageNumber="190">Bortala</collectingMunicipality>
,
<location id="AA7D05A054617759FC39A7DA323C6B9A" LSID="urn:lsid:plazi:treatment:270BE26D5467775AFF0BA64637FE6EA3:AA7D05A054617759FC39A7DA323C6B9A" box="[954,1100,2003,2028]" country="China" municipality="Bortala" name="Ebinur Lake" pageId="5" pageNumber="190" stateProvince="Xinjiang Uygur">Ebinur Lake</location>
,
<date id="DB1C75BB54617759FBD9A7DA32896B9A" box="[1114,1273,2003,2028]" pageId="5" pageNumber="190" value="2012-05-10">
<collectingDate id="CB588C5354617759FBD9A7DA32896B9A" box="[1114,1273,2003,2028]" pageId="5" pageNumber="190" value="2012-05-10">10 May 2012</collectingDate>
</date>
,
<emphasis id="9DD68F6954617759FA84A7DA33DB6B9A" box="[1287,1451,2003,2028]" italics="true" pageId="5" pageNumber="190">WZR2012 907</emphasis>
collected by
<collectorName id="025736AD54617759FE94A7FE37A06466" box="[279,464,2039,2064]" pageId="5" pageNumber="190">Zhuo-Ren Wang</collectorName>
(
<collectionCode id="C9B3CBBE54617759FE5CA7FE34456466" box="[479,565,2039,2064]" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14107" lsid="urn:lsid:biocol.org:col:14107" name="Southwest Forestry College" pageId="5" pageNumber="190" type="Herbarium">SWFC</collectionCode>
!;
<collectionCode id="C9B3CBBE54617759FDC7A7FE34EF6466" box="[580,671,2039,2064]" country="China" httpUri="http://grbio.org/cool/qht3-g0qs" name="Chinese Academy of Sciences" pageId="5" pageNumber="190" type="Herbarium">HMAS</collectionCode>
!)
</materialsCitation>
.
</paragraph>
<paragraph id="AF1D537B5462775AFF3EA0A937FE6EA3" blockId="6.[136,1452,160,725]" pageId="6" pageNumber="191">
<emphasis id="9DD68F695462775AFF3EA0A9368D6CCF" box="[189,253,160,185]" italics="true" pageId="6" pageNumber="191">Notes</emphasis>
:—The most similar species to
<taxonomicName id="68A228F85462775AFDE5A0A9348F6CCF" authorityName="Wang &amp; Callac &amp; Zhou &amp; Fu &amp; Dui &amp; Zhao" authorityYear="2015" box="[614,767,160,185]" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="191" phylum="Basidiomycota" rank="species" species="desjardinii">
<emphasis id="9DD68F695462775AFDE5A0A9348F6CCF" box="[614,767,160,185]" italics="true" pageId="6" pageNumber="191">A. desjardinii</emphasis>
</taxonomicName>
both morphologically and phylogenetically is
<taxonomicName id="68A228F85462775AFA9BA0A937576CAB" authority="Heinem. Both" authorityName="Heinem. Both" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="191" phylum="Basidiomycota" rank="species" species="boisseletii">
<emphasis id="9DD68F695462775AFA9BA0A933DC6CCF" box="[1304,1452,160,185]" italics="true" pageId="6" pageNumber="191">A. boisseletii</emphasis>
Heinem. Both
</taxonomicName>
have stout basidiomata and distinctly large scales on the pileus. However, under the microscope,
<taxonomicName id="68A228F85462775AFA10A0CD368A6D77" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="191" phylum="Basidiomycota" rank="species" species="boisseletii">
<emphasis id="9DD68F695462775AFA10A0CD368A6D77" italics="true" pageId="6" pageNumber="191">A. boisseletii</emphasis>
</taxonomicName>
has smaller and wider spores (56.8 × 44.5 μm, avQ =1.44), and usually catenulate cheilocystidia (
<bibRefCitation id="CB332E8A5462775AFAEDA0E136B56D53" author="Parra, L. A." pageId="6" pageNumber="191" refId="ref8089" refString="Parra, L. A. (2008) Agaricus L. Allopsalliota, Nauta &amp; Bas, Fungi Europaei, Volume 1. Edizioni Candusso, Alassio, 824 pp." type="book" year="2008">Parra 2008</bibRefCitation>
).
<emphasis id="9DD68F695462775AFF5BA10534636D53" box="[216,531,268,293]" italics="true" pageId="6" pageNumber="191">
<taxonomicName id="68A228F85462775AFF5BA105347E6D53" box="[216,526,268,293]" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="191" phylum="Basidiomycota" rank="species" species="nigrobrunnescens">Agaricus nigrobrunnescens</taxonomicName>
,
</emphasis>
the
<typeStatus id="7019EDD95462775AFDC7A10534046D53" box="[580,628,268,293]" pageId="6" pageNumber="191">type</typeStatus>
species of this section, and the new species both have large scales on the pileus, however
<taxonomicName id="68A228F85462775AFEC6A139345E6D3F" box="[325,558,304,329]" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="191" phylum="Basidiomycota" rank="species" species="nigrobrunnescens">
<emphasis id="9DD68F695462775AFEC6A139345E6D3F" box="[325,558,304,329]" italics="true" pageId="6" pageNumber="191">A. nigrobrunnescens</emphasis>
</taxonomicName>
has much smaller spores (4.25.8 × 3.34.5 μm) and abundant cheilocystidia (
<bibRefCitation id="CB332E8A5462775AFF0CA15D37066D1B" author="Peterson, K. R. &amp; Desjardin, D. E. &amp; Hemmes, D. E." box="[143,374,340,365]" pageId="6" pageNumber="191" pagination="204 - 257" refId="ref8206" refString="Peterson, K. R., Desjardin, D. E. &amp; Hemmes, D. E. (2000) Agaricales of the Hawaiian Islands. 6. Agaricaceae L. Agariceae: Agaricus and Melanophyllum. Sydowia 52: 204 - 257." type="journal article" year="2000">
Peterson
<emphasis id="9DD68F695462775AFF7AA15D37426D1B" box="[249,306,340,365]" italics="true" pageId="6" pageNumber="191">et al.</emphasis>
2000
</bibRefCitation>
).
<taxonomicName id="68A228F85462775AFE0AA15D340F6D1B" box="[393,639,340,365]" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="191" phylum="Basidiomycota" rank="species" species="fuscovelatus">
<emphasis id="9DD68F695462775AFE0AA15D340F6D1B" box="[393,639,340,365]" italics="true" pageId="6" pageNumber="191">Agaricus fuscovelatus</emphasis>
</taxonomicName>
, described from North America, is also similar to the new species by its stout and deeply rooting stipe as well as its spore size and shape, but
<taxonomicName id="68A228F85462775AFC20A171323E6DE7" box="[931,1102,376,401]" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="191" phylum="Basidiomycota" rank="species" species="fuscovelatus">
<emphasis id="9DD68F695462775AFC20A171323E6DE7" box="[931,1102,376,401]" italics="true" pageId="6" pageNumber="191">A. fuscovelatus</emphasis>
</taxonomicName>
has appressed squames on the pileus and presents cheilocystidia (
<bibRefCitation id="CB332E8A5462775AFD8BA19534DE6DC3" author="Kerrigan, R. W." box="[520,686,412,437]" pageId="6" pageNumber="191" pagination="1 - 62" refId="ref7512" refString="Kerrigan, R. W. (1986) Agaricales of California. Vol. 6. Agaricaceae. Mad River Press, Eureka, California, America. 1 - 62 pp." type="book chapter" year="1986">Kerrigan 1986</bibRefCitation>
).
<taxonomicName id="68A228F85462775AFD43A19535F96DC3" box="[704,905,412,437]" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="191" phylum="Basidiomycota" rank="species" species="padanus">
<emphasis id="9DD68F695462775AFD43A19535F96DC3" box="[704,905,412,437]" italics="true" pageId="6" pageNumber="191">Agaricus padanus</emphasis>
</taxonomicName>
(see below), a species also having abundant velar remnants below the annulus can be easily distinguished by its much less reddening context and its abundant clavate cheilocystidia. This new species also differs from European species belonging to section
<taxonomicName id="68A228F85462775AFBE6A1ED33716D8B" box="[1125,1281,484,509]" pageId="6" pageNumber="191" rank="section" section="Sanguinolenti">
<emphasis id="9DD68F695462775AFBE6A1ED33716D8B" box="[1125,1281,484,509]" italics="true" pageId="6" pageNumber="191">Sanguinolenti</emphasis>
</taxonomicName>
, which is close to section
<taxonomicName id="68A228F85462775AFF7DA20137AE6E57" box="[254,478,520,545]" pageId="6" pageNumber="191" rank="section" section="Nigrobrunnescentes">
<emphasis id="9DD68F695462775AFF7DA20137AE6E57" box="[254,478,520,545]" italics="true" pageId="6" pageNumber="191">Nigrobrunnescentes</emphasis>
</taxonomicName>
, such as
<taxonomicName id="68A228F85462775AFDCAA20134856E57" authority="Pilat" authorityName="Pilat" box="[585,757,520,545]" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="191" phylum="Basidiomycota" rank="species" species="benesii">
<emphasis id="9DD68F695462775AFDCAA20134C96E57" box="[585,697,520,545]" italics="true" pageId="6" pageNumber="191">A. benesii</emphasis>
Pilát
</taxonomicName>
, by having pilei covered by fibrils or tiny fibrillose squames (
<bibRefCitation id="CB332E8A5462775AFF13A22537676E33" author="Nauta, M. M." box="[144,279,556,581]" pageId="6" pageNumber="191" pagination="23 - 62" refId="ref8008" refString="Nauta, M. M. (2001) Agaricus L. and Allopsalliota Nanta et Bas. In: Noordeloos, M. E., Kyuper, T. W. &amp; Vellinga E. C. (Eds.) Flora Agaricina Neerlandica, Critical monographs on families of Agarics and Boleti occurring in the Netherlands. Vol. 5 Family Agaricaceae. A. A. Balkema Publishers, Lisse, pp. 23 - 62." type="book chapter" year="2001">Nauta 2001</bibRefCitation>
;
<bibRefCitation id="CB332E8A5462775AFEA7A22537D36E33" author="Parra, L. A." box="[292,419,556,581]" pageId="6" pageNumber="191" refId="ref8089" refString="Parra, L. A. (2008) Agaricus L. Allopsalliota, Nauta &amp; Bas, Fungi Europaei, Volume 1. Edizioni Candusso, Alassio, 824 pp." type="book" year="2008">Parra 2008</bibRefCitation>
), which are quite different from the large scales of this new species, or
<taxonomicName id="68A228F85462775AFB53A22536956E1F" authority="Schaeff." authorityName="Schaeff." class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="191" phylum="Basidiomycota" rank="species" species="sylvaticus">
<emphasis id="9DD68F695462775AFB53A22533DB6E33" box="[1232,1451,556,581]" italics="true" pageId="6" pageNumber="191">Agaricus sylvaticus</emphasis>
Schaeff.
</taxonomicName>
a species having much smaller spores (4.56.5 × 3.24.2 μm) and abundant cheilocystidia; There are some similar species assigned to
<emphasis id="9DD68F695462775AFE3EA27D37A56EFB" box="[445,469,628,653]" italics="true" pageId="6" pageNumber="191">A.</emphasis>
sect.
<taxonomicName id="68A228F85462775AFD94A27D34C36EFB" box="[535,691,628,653]" pageId="6" pageNumber="195" rank="section" section="Sanguinolenti">
<emphasis id="9DD68F695462775AFD94A27D34C36EFB" box="[535,691,628,653]" italics="true" pageId="6" pageNumber="191">Sanguinolenti</emphasis>
</taxonomicName>
reported from South America and tropical Asia, such as
<taxonomicName id="68A228F85462775AFAB4A27D36986EC7" authority="Heinem." authorityName="Heinem." class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="191" phylum="Basidiomycota" rank="species" species="dicystis">
<emphasis id="9DD68F695462775AFAB4A27D33DB6EFB" box="[1335,1451,628,653]" italics="true" pageId="6" pageNumber="191">A. dicystis</emphasis>
Heinem.
</taxonomicName>
and
<taxonomicName id="68A228F85462775AFEA2A291341D6EC7" authority="Heinem." authorityName="Heinem." box="[289,621,664,689]" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="191" phylum="Basidiomycota" rank="species" species="pleurocystidiatus">
<emphasis id="9DD68F695462775AFEA2A29134716EC7" box="[289,513,664,689]" italics="true" pageId="6" pageNumber="191">A. pleurocystidiatus</emphasis>
Heinem.
</taxonomicName>
, however, those species are slender and have smaller spores (Heinemann 1978,1980,1986,1990).
</paragraph>
</subSubSection>
</treatment>
</document>