196 lines
15 KiB
XML
196 lines
15 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.40.26918" ID-GBIF-Dataset="4af6e8e1-e932-4ae8-87d1-885dc431f6ed" ID-PMC="PMC6160818" ID-Pensoft-Pub="1314-4049-40-53" ID-PubMed="30271264" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1314-4049-40-53" ModsDocOrigin="MycoKeys 40" ModsDocTitle="A new section and species of AgaricussubgenusPseudochitonia from Thailand" checkinTime="1555333479877" checkinUser="pensoft" docAuthor="He, Mao-Qiang, Chuankid, Boontiya, Hyde, Kevin D., Ratchadawan Cheewangkoon, & Zhao, Rui-Lin" docDate="2018" docId="51C01721E0493A2F1ED909669D983F01" docLanguage="en" docName="MycoKeys 40: 53-67" docOrigin="MycoKeys 40" docSource="http://dx.doi.org/10.3897/mycokeys.40.26918" docTitle="Agaricus angusticystidiatus M. Q. He, Desjardin, K. D. Hyde & R. L. Zhao, sp. nov." docType="treatment" docVersion="4" lastPageNumber="53" masterDocId="0B300E0EFFB43A78FFA48B4FFF899156" masterDocTitle="A new section and species of AgaricussubgenusPseudochitonia from Thailand" masterLastPageNumber="67" masterPageNumber="53" pageNumber="53" updateTime="1668136070633" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>A new section and species of AgaricussubgenusPseudochitonia from Thailand</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>He, Mao-Qiang</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Chuankid, Boontiya</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Hyde, Kevin D.</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Ratchadawan Cheewangkoon,</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Zhao, Rui-Lin</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>MycoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2018</mods:date>
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<mods:detail type="volume">
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<mods:number>40</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>53</mods:start>
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<mods:end>67</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/mycokeys.40.26918</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.40.26918</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-40-53</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="156202243" LSID="urn:lsid:plazi:treatment:51C01721E0493A2F1ED909669D983F01" httpUri="http://treatment.plazi.org/id/51C01721E0493A2F1ED909669D983F01" lastPageNumber="53" pageId="0" pageNumber="53">
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<subSubSection pageId="0" pageNumber="53" type="nomenclature">
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<paragraph pageId="0" pageNumber="53">
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<taxonomicName LSID="MB825177" authority="M. Q. He, Desjardin, K. D. Hyde & R. L. Zhao" class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Agaricus angusticystidiatus" order="Agaricales" pageId="0" pageNumber="53" phylum="Basidiomycota" rank="species" species="angusticystidiatus">Agaricus angusticystidiatus M.Q. He, Desjardin, K.D. Hyde & R.L. Zhao</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="53">sp. nov.</taxonomicNameLabel>
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Figure 3
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="53" type="etymology">
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<paragraph pageId="0" pageNumber="53">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="53">refers to the narrow clavate cheilocystidia.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="53" type="materials_examined">
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<paragraph pageId="0" pageNumber="53">Type.</paragraph>
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<paragraph pageId="0" pageNumber="53">
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Thailand, Chiang Mai Province, Mae Taeng, Baan Mae Sae village, on Hwy 1095 near 50 km marker,
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="19.243317">19°14.599'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="98.6576">98°39.456'E</geoCoordinate>
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, alt. 960 m. In rain forest dominated by
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Castanopsis" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Castanopsis armata" order="Fagales" pageId="0" pageNumber="53" phylum="Tracheophyta" rank="species" species="armata">Castanopsis armata</taxonomicName>
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,
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Castanopsis" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Castanopsis" order="Fagales" pageId="0" pageNumber="53" phylum="Tracheophyta" rank="genus">Castanopsis</taxonomicName>
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sp.,
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<taxonomicName class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="53" phylum="Tracheophyta" rank="genus">Pinus</taxonomicName>
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sp.,
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Lithocarpus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lithocarpus" order="Fagales" pageId="0" pageNumber="53" phylum="Tracheophyta" rank="genus">Lithocarpus</taxonomicName>
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sp., 26 June 2005, collected by Jennifer Kerekes. Holotype: ZRL2043 (HMAS279593); Isotype: BBH19428 and SFSUZRL2043,
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="53" type="description">
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<paragraph pageId="0" pageNumber="53">Original description.</paragraph>
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<paragraph pageId="0" pageNumber="53">
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<taxonomicName class="Echinoidea" family="Anorthopygidae" genus="Pileus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pileus" order="Holectypoida" pageId="0" pageNumber="53" phylum="Echinodermata" rank="genus">Pileus</taxonomicName>
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40-80 mm diam., plano-convex, applanate, broadly umbonate; surface concentric squamulose with small skull-cup at disc, appressed, slightly fissured, light brown (6D8), brown (7E3), greyish-brown (5D5), dark brown (6D6) against the grey (8E3) background. Context 4-5 mm thick at disc, fragile, white to grey (8E3) in age. Lamellae free, crowded, lamellulae with 3-4 lengths, 3-4 mm broad, normal to slightly ventricose, brown (7E5) to dark brown (7F7-8), edge colour similar to the gill itself. Stipe 55-100
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<normalizedToken originalValue="×">x</normalizedToken>
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5-8 (base 8-15) mm, cylindrical bulbous, with rhizomorphs in most cases, hollow, surface glabrous to silky, white to dark brown (6D6). Annulus pendent or percurrent; single; upper side membranous, white; lower side surface powdery, light yellow (4B2) grain-like dots in circulate; superior, persistent, edge entire, up to 5 mm broad. Smell of iodoform. No colour change on touching; light dull red, greyish brown (7D4) on cutting.
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</paragraph>
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<paragraph pageId="0" pageNumber="53">
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KOH reaction: negative.
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<normalizedToken originalValue="Schäffer’s">Schaeffer's</normalizedToken>
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reaction: negative on dry specimens.
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</paragraph>
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<paragraph pageId="0" pageNumber="53">
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Basidiospores 5-6.5
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<normalizedToken originalValue="×">x</normalizedToken>
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3-4 (-4.5)
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<normalizedToken originalValue="µm">µm</normalizedToken>
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[X = 5.6
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<normalizedToken originalValue="±">+/-</normalizedToken>
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0.5
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<normalizedToken originalValue="×">x</normalizedToken>
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3.8
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<normalizedToken originalValue="±">+/-</normalizedToken>
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0.4, Q = 1.1-2.2, Qm = 1.52
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<normalizedToken originalValue="±">+/-</normalizedToken>
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0.7, n = 20], cymbiform, some endosporium, no germ pore, brown. Basidia 10-15
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<normalizedToken originalValue="×">x</normalizedToken>
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5.5-7
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, clavate, hyaline, smooth, 4-spored. Pleurocystidia absent. Cheilocystidia 20-30 (-45)
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<normalizedToken originalValue="×">x</normalizedToken>
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5-8
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, occasionally one septum, narrowly clavate to clavate, some with elongated top, rarely subcapitate, hyaline, smooth. Pileipellis cutis consisting of 3-5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam. hyphae, hyaline, smooth, non-constricted at septa. Annulus hyphae same as pileipellis.
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</paragraph>
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<caption pageId="0" pageNumber="53">
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<paragraph pageId="0" pageNumber="53">
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Figure 3. Morphology of
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<taxonomicName class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Agaricus angusticystidiatus" order="Agaricales" pageId="0" pageNumber="53" phylum="Basidiomycota" rank="species" species="angusticystidiatus">Agaricus angusticystidiatus</taxonomicName>
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A, B basidiomes C, D basidiospores E basidia and cheilocystidia.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="53" type="habit">
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<paragraph pageId="0" pageNumber="53">Habit.</paragraph>
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<paragraph pageId="0" pageNumber="53">
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Gregarious on soil in rain forest which is mainly dominated by
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Castanopsis" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Castanopsis armata" order="Fagales" pageId="0" pageNumber="53" phylum="Tracheophyta" rank="species" species="armata">Castanopsis armata</taxonomicName>
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,
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Castanopsis" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Castanopsis" order="Fagales" pageId="0" pageNumber="53" phylum="Tracheophyta" rank="genus">Castanopsis</taxonomicName>
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sp.,
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<taxonomicName class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="53" phylum="Tracheophyta" rank="genus">Pinus</taxonomicName>
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sp.,
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Lithocarpus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lithocarpus" order="Fagales" pageId="0" pageNumber="53" phylum="Tracheophyta" rank="genus">Lithocarpus</taxonomicName>
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sp.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="53" type="distribution">
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<paragraph pageId="0" pageNumber="53">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="53">Thailand, Chiang Mai Province (type distribution).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="53" type="materials_examined">
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<paragraph pageId="0" pageNumber="53">Other materials examined.</paragraph>
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<paragraph pageId="0" pageNumber="53">
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Thailand, Chiang Mai Province, Mae Taeng, Ban Mae Sae Village, on Hwy 1095 near 50 km marker,
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="19.243317">19°14.599'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="98.6576">98°39.456'E</geoCoordinate>
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, elev. ca. 960 m, 3 July 2004, collected by Thitiya Boonpratuang, ZRL2085 (HMAS279594, BBH19468 and SFSUZRL2085); Thailand, Chiang Mai Province, Mae Taeng, Mushrooms research center, 30 July 2014, collected by Boontiya Chuankid, BC088 (MFLU 14-0903).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="53" type="notes">
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<paragraph pageId="0" pageNumber="53">Notes.</paragraph>
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<paragraph pageId="0" pageNumber="53">
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This new species is morphologically distinguished from other
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<taxonomicName class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Agaricus" order="Agaricales" pageId="0" pageNumber="53" phylum="Basidiomycota" rank="genus">Agaricus</taxonomicName>
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species by its strong iodoform smell, context reddish-brown discolouration on cutting, cymbiform basidiospores and narrow cheilocystidia with variable shapes. Phylogenetic analyses confirmed it is a member of the subgenus
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<taxonomicName genus="Minores" lsidName="Minores (Pseudochitonia)" pageId="0" pageNumber="53" rank="subGenus" subGenus="Pseudochitonia">Pseudochitonia</taxonomicName>
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with an isolated phylogenetic position in
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<taxonomicName class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Agaricus" order="Agaricales" pageId="0" pageNumber="53" phylum="Basidiomycota" rank="genus">Agaricus</taxonomicName>
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. This new species is similar to
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<taxonomicName lsidName="A. iodolens" pageId="0" pageNumber="53" rank="species" species="iodolens">A. iodolens</taxonomicName>
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Heinem. & Gooss.-Font. of section
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<taxonomicName genus="Xanthodermatei" lsidName="Xanthodermatei" pageId="0" pageNumber="53" rank="section" section="Xanthodermatei">Xanthodermatei</taxonomicName>
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, because both have relatively slender basidiomes and odour of iodine (
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<bibRefCitation author="Naritsada, T" journalOrPublisher="Mycologia" pageId="0" pageNumber="53" pagination="1220 - 1232" title="Morphological and molecular characterization of three Agaricus species from tropical Asia (Pakistan, Thailand) reveals a new group in section Xanthodermatei." url="https://doi.org/10.3852/14-076" volume="106" year="2014">Naritsada et al. 2014</bibRefCitation>
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). However, this new species has cymbiform basidiospores and a bulbous stipe, while those of
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<taxonomicName lsidName="A. iodolens" pageId="0" pageNumber="53" rank="species" species="iodolens">A. iodolens</taxonomicName>
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are ellipsoid and an equal stipe (
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<bibRefCitation author="Zoberi, MH" journalOrPublisher="Fungal Diversity" pageId="0" pageNumber="53" url="https://doi.org/10.1007/978-1-349-01618-1_20" year="1972">Zoberi 1972</bibRefCitation>
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).
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<taxonomicName class="Agaricomycetes" family="Agaricaceae" genus="Agaricus" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Agaricus lamellidistans" order="Agaricales" pageId="0" pageNumber="53" phylum="Basidiomycota" rank="species" species="lamellidistans">Agaricus lamellidistans</taxonomicName>
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R.L. Zhao and
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<taxonomicName lsidName="A. variicystis" pageId="0" pageNumber="53" rank="species" species="variicystis">A. variicystis</taxonomicName>
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L.J. Chen, K. D. Hyde & R. L. Zhao of section
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<taxonomicName genus="Crassispori" lsidName="Crassispori" pageId="0" pageNumber="53" rank="section" section="Crassispori">Crassispori</taxonomicName>
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resemble this new species, because all have greyish-brown pilei and cymbiform basidiospores. These species lack discolouration on cutting, while those of
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<taxonomicName lsidName="A. angusticystidiatus" pageId="0" pageNumber="53" rank="species" species="angusticystidiatus">A. angusticystidiatus</taxonomicName>
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have dull red discolouration on cutting (
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<bibRefCitation author="Zhao, RL" journalOrPublisher="Fungal Diversity" pageId="0" pageNumber="53" pagination="239 - 292" title="Towards standardizing taxonomic ranks using divergence times-a case study for reconstruction of the Agaricus taxonomic system." url="https://doi.org/10.1007/s13225-016-0357-x" volume="78" year="2016">Zhao et al. 2016</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |