174 lines
16 KiB
XML
174 lines
16 KiB
XML
<document id="1C44398CB20236D499B050A9AC87AA2A" ID-CLB-Dataset="28216" ID-DOI="http://dx.doi.org/10.3897/mycokeys.45.29374" ID-GBIF-Dataset="ce23afb8-32f5-497f-94a8-e94a28539b3a" ID-PMC="PMC6363720" ID-Pensoft-Pub="1314-4049--93" ID-PubMed="30733639" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1314-4049--93" ModsDocOrigin="MycoKeys " ModsDocTitle="New species and records of Pyxine (Caliciaceae) in China" checkinTime="1553125565485" checkinUser="pensoft" docAuthor="Yang, Mei-Xia, Wang, Xin-Yu, Liu, Dong, Zhang, Yan-Yun, Li, Li-Juan, Yin, An-Cheng, Scheidegger, Christoph & Wang, Li-Song" docDate="2019" docId="C45A8C83A82B382784A60E77397649A5" docLanguage="en" docName="MycoKeys 45: 93-109" docOrigin="MycoKeys 45" docSource="http://dx.doi.org/10.3897/mycokeys.45.29374" docTitle="Pyxine hengduanensis M. X. Yang & Li S. Wang, sp. nov." docType="treatment" docVersion="6" lastPageNumber="93" masterDocId="395BFF0FFF9AFF84FF81FFA03D28FFF4" masterDocTitle="New species and records of Pyxine (Caliciaceae) in China" masterLastPageNumber="109" masterPageNumber="93" pageNumber="93" updateTime="1732754406938" updateUser="ExternalLinkService">
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<mods:title id="F4306EE1B10089A34F223B4715CDD17E">New species and records of Pyxine (Caliciaceae) in China</mods:title>
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<mods:namePart id="B812C37EF394BB380796C0264EF8E1D6">Yang, Mei-Xia</mods:namePart>
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<mods:namePart id="E2C85445B28AF81012822875470E20D3">Wang, Xin-Yu</mods:namePart>
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<mods:namePart id="A6F01B34725FAA423E385CBA277F0C78">Liu, Dong</mods:namePart>
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<mods:namePart id="9F577BEDD6048210DD7D6FF8510A1365">Zhang, Yan-Yun</mods:namePart>
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<mods:namePart id="A06EDD40FAA0D38BFE1507DF719EF211">Li, Li-Juan</mods:namePart>
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<mods:namePart id="2AB9CFB7DC52C925505B21F4333D3507">Yin, An-Cheng</mods:namePart>
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<mods:namePart id="FE42411F43F3EB503FD2B5B603DB6019">Scheidegger, Christoph</mods:namePart>
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<mods:namePart id="4F0C3D12BDD77D13BCB2B3D176453AA3">Wang, Li-Song</mods:namePart>
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<mods:title id="1A85BA8019902DAC367FE240BBFDC0BC">MycoKeys</mods:title>
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<mods:date id="9290981FD5072FD164EE0664C1E99CF9">2019</mods:date>
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<mods:number id="1DF5F63CF2B29F1F479A157CB8223978">45</mods:number>
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<mods:start id="D8CF8A7B14704AEE59529A1EA3A11CA9">93</mods:start>
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<mods:url id="999FE6EFB60B550AD2E0FF6659F01427">http://dx.doi.org/10.3897/mycokeys.45.29374</mods:url>
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<mods:classification id="A68030F12AEBC0503A58E4ED81C7AC58">journal article</mods:classification>
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<mods:identifier id="7D28A5D30B247CA4C5ACD8BDCA84D3E0" type="DOI">http://dx.doi.org/10.3897/mycokeys.45.29374</mods:identifier>
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<mods:identifier id="AEDBF384FB04054F4BF806A478791E59" type="Pensoft-Pub">1314-4049--93</mods:identifier>
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<treatment id="C45A8C83A82B382784A60E77397649A5" ID-GBIF-Taxon="154473716" LSID="urn:lsid:plazi:treatment:C45A8C83A82B382784A60E77397649A5" httpUri="http://treatment.plazi.org/id/C45A8C83A82B382784A60E77397649A5" lastPageNumber="93" pageId="0" pageNumber="93" scope_family="Caliciaceae">
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<subSubSection id="A94207EB47AC8CCB2D5377FC402C4353" pageId="0" pageNumber="93" type="nomenclature">
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<paragraph id="D27DA6FF87E6C8AA8EC1512ADAAA1D63" pageId="0" pageNumber="93">
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<taxonomicName id="F857AB733AA981575E6725B0F50FF0E8" LSID="819957" authority="M. X. Yang & Li S. Wang" class="Lecanoromycetes" family="Physciaceae" genus="Pyxine" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Pyxine hengduanensis" order="Teloschistales" pageId="0" pageNumber="93" phylum="Ascomycota" rank="species" species="hengduanensis">Pyxine hengduanensis M. X. Yang & Li S. Wang</taxonomicName>
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<taxonomicNameLabel id="BF4D5BC33ED4600BD008D1BFF25DB97A" pageId="0" pageNumber="93">sp. nov.</taxonomicNameLabel>
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Figure 3
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</paragraph>
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</subSubSection>
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<subSubSection id="A9C430FE0EEE9938E8517B69B1E489BC" pageId="0" pageNumber="93" type="holotype">
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<paragraph id="3D33B127BB48657076776CEF0130125D" pageId="0" pageNumber="93">Holotype.</paragraph>
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<paragraph id="F9A81BD65D907D9C7EABF11305D853AC" pageId="0" pageNumber="93">
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CHINA, YUNNAN PROVINCE, Nujiang Pref., Dizhengdang Vil., 1858 m elevation,
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<geoCoordinate id="71766ACED45E18927A68F4C9E78EAFDC" direction="north" orientation="latitude" precision="1" value="28.083572">28°05'00.86"N</geoCoordinate>
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,
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<geoCoordinate id="09D17024204CF05182FC6D168F9C5DA7" direction="east" orientation="longitude" precision="1" value="98.32777">98°19'39.97"E</geoCoordinate>
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, on bark, 2 Aug 2015, L. S. Wang et al. KUN-L 15-48082. GenBank accession No.: ITS = KY611889, mtSSU = KY751396.
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</paragraph>
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</subSubSection>
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<subSubSection id="C143903F164B0C61B7A718B31EF935FC" pageId="0" pageNumber="93" type="description">
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<paragraph id="003137815404134BF31955F5007B7908" pageId="0" pageNumber="93">Description.</paragraph>
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<paragraph id="5FCF48C1E68DA6FCD81F0801D915327F" pageId="0" pageNumber="93">
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Thallus corticolous, 4-9 cm wide, firmly to loosely adnate to substrate. Lobes linear, compact, imbricate to discrete, (0.5) 1-2.5 mm wide, upper cortex plane but often slightly concave towards the tips; pseudocyphellae linear, marginal; upper surface grey to greyish-green, lower-side black; rhizines dense, squarrosely branched. Soralia marginal, labriform; soredia grey to bluish-grey, powdery to granular. Medulla pale yellow. Dactyls and isidia absent. Apothecia absent. Upper cortex K+ yellowish,
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<normalizedToken id="50E651905E1AFAF68CFFEEC303846C5B" originalValue="UV–">UV-</normalizedToken>
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; medulla
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<normalizedToken id="E57BFC35F4F36BB52874CB5E46DF3BB6" originalValue="K–">K-</normalizedToken>
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,
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<normalizedToken id="5C738593A1E9B28EFF5325D8CD2B9350" originalValue="C–">C-</normalizedToken>
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; containing chloroatranorin (minor) and unknown terpenes.
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</paragraph>
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</subSubSection>
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<subSubSection id="BE30F9242687A96C75C5D3ABA13E5B0C" pageId="0" pageNumber="93" type="habitat">
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<paragraph id="0A439CD9D6591BCA7469D1CC31B6E7BF" pageId="0" pageNumber="93">Habitat and distribution.</paragraph>
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<paragraph id="6BCC9AA462A3FF495974CCA052687858" pageId="0" pageNumber="93">
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Growing on bark of
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<taxonomicName id="922E945E62C146207873DCA377D86842" class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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and
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<taxonomicName id="A192F7F05D5D7B4C44DED67DE0A77ED8" class="Magnoliopsida" family="Betulaceae" genus="Alnus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Alnus" order="Fagales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="genus">Alnus</taxonomicName>
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spp. Range 1700 -3060 m elevation in semi-arid environments; known only from Yunnan, Sichuan and Xizang in China.
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</paragraph>
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</subSubSection>
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<subSubSection id="EBBFDE6010C644A76111C5660138DFE2" pageId="0" pageNumber="93" type="etymology">
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<paragraph id="ACCFCF3DA30A7B837A05D8AD8E672378" pageId="0" pageNumber="93">Etymology.</paragraph>
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<paragraph id="D32A37182A15E69C425EB525AD41C79F" pageId="0" pageNumber="93">
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The epithet
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<taxonomicName id="69057D0D67ACB6A2782FAA8CB544C216" lsidName="hengduanensis" pageId="0" pageNumber="93" rank="species" species="hengduanensis">hengduanensis</taxonomicName>
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refers to the type locality of the species, the Hengduan Mountains region.
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</paragraph>
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</subSubSection>
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<subSubSection id="CBCDB44DA886D61FAF2D167278E03B82" pageId="0" pageNumber="93" type="notes">
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<paragraph id="856C618C0B0032910C933FF22B1B7436" pageId="0" pageNumber="93">Notes.</paragraph>
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<paragraph id="89E6CACBAA28D12E7EEC5398A5C5DE75" pageId="0" pageNumber="93">
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<taxonomicName id="BB9900DD147F0219AB7DC03D380EDF75" class="Lecanoromycetes" family="Caliciaceae" genus="Pyxine" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Pyxine hengduanensis" order="Caliciales" pageId="0" pageNumber="93" phylum="Ascomycota" rank="species" species="hengduanensis">Pyxine hengduanensis</taxonomicName>
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is characterised by a corticolous habit, yellowish-grey to greyish-green thallus, marginal labriform soralia, pale yellow medulla and the absence of atranorin.
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<taxonomicName id="286A6CC1992ACABD129FB85F968B09DA" class="Lecanoromycetes" family="Caliciaceae" genus="Pyxine" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Pyxine hengduanensis" order="Caliciales" pageId="0" pageNumber="93" phylum="Ascomycota" rank="species" species="hengduanensis">Pyxine hengduanensis</taxonomicName>
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is most closely related to
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<taxonomicName id="4D037D24CD9A64DD58D61564CF29D5B8" lsidName="P. sorediata" pageId="0" pageNumber="93" rank="species" species="sorediata">P. sorediata</taxonomicName>
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, as inferred from the phylogenetic tree (Fig. 1);
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<taxonomicName id="6E6E96144C90C5DBC4EDB1AB6DAA80F4" lsidName="P. sorediata" pageId="0" pageNumber="93" rank="species" species="sorediata">P. sorediata</taxonomicName>
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is also corticolous but has a yellow or yellow-orange medulla and soralia that develop marginally from fissures and then become laminal and orbicular (
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<bibRefCitation id="7D09B9081F329DAE380C39DECE1A0730" pageId="0" pageNumber="93">Elix 2009</bibRefCitation>
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), while
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<taxonomicName id="662C5E9ACB0C2235BC296B90FE393F81" lsidName="P. hengduanensis" pageId="0" pageNumber="93" rank="species" species="hengduanensis">P. hengduanensis</taxonomicName>
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has marginal labriform soralia developing from the centre of the pseudocyphellae, grey to bluish-grey soredia and a pale yellow medulla.
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<taxonomicName id="97FBBD222CA755EE7A2424F28CD17792" class="Lecanoromycetes" family="Caliciaceae" genus="Pyxine" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Pyxine hengduanensis" order="Caliciales" pageId="0" pageNumber="93" phylum="Ascomycota" rank="species" species="hengduanensis">Pyxine hengduanensis</taxonomicName>
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also resembles
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<taxonomicName id="E9C4800764B8650340E731799018EFCF" lsidName="P. retirugella" pageId="0" pageNumber="93" rank="species" species="retirugella">P. retirugella</taxonomicName>
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Nyl. (
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<bibRefCitation id="B9180017A667CF0410AA2787831199E6" pageId="0" pageNumber="93">Elix 2009</bibRefCitation>
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) in the marginal and laminal pseudocyphellae, but it differs in having white or creamy and K+ yellow turning red medulla and norstictic acid as the main compound (
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<bibRefCitation id="144B7D09C014F10CE222C2CD9B969123" author="Mongkolsuk, P" journalOrPublisher="Phytotaxa" pageId="0" pageNumber="93" pagination="32 - 54" title="The lichen family Physciaceae in Thailand - I. The genus Pyxine." url="https://doi.org/10.11646/phytotaxa.59.1.2" volume="59" year="2012">Mongkolsuk et al. 2012</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="0A6FD70455C6BB0022C6F828DB0F8D72" pageId="0" pageNumber="93" type="materials_examined">
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<paragraph id="A64C82444BD450A4A74CF23491A1249D" pageId="0" pageNumber="93">Selected specimens examined (KUN).</paragraph>
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<paragraph id="47B9EEF577176BA3477F34836507D893" pageId="0" pageNumber="93">
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CHINA: SICHUAN PROVINCE: Dukou Co., Yanbian Vil., Shibao Mt., 2900 m elev., 29 Jun 1983, L. S. Wang 83-635; Nanping Co., Jiuzhaigou, 2000 m elev., on
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<taxonomicName id="38B47EDCFC7740741314FF20428D2DCC" class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus" order="Pinales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="genus">Pinus</taxonomicName>
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, 23 Sep 1986, L. S. Wang 86-2591. XIZANG PROVINCE: Linzhi Co., 3060 m elev., 29°50'249"N, 94°44'728"E, on
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<taxonomicName id="06DF351A2C86ADFCB1C0FEDF083AB218" class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
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spp. 20 Aug 2007, L. S. Wang et al. 07-28389; YUNNAN PROVINCE: Luquan Co., 30 km from Sapanying Co. to Zehei Co., 2540 m elev.,
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<geoCoordinate id="DC9CE7A7A1DEDC9353C3A70D70E1528D" direction="north" orientation="latitude" precision="1" value="26.07348">26°04'24.53"N</geoCoordinate>
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,
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<geoCoordinate id="71ABC48EBB4A33852E91D61D29CF5FAF" direction="east" orientation="longitude" precision="1" value="102.605316">102°36'19.15"E</geoCoordinate>
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, on moss, 19 Apr 2014, L. S. Wang et al. 14-43258; Lufeng Co., Heijin Vil., 1800 m elev., 25°20'146"N, 102°05'835"E, on bark, 1 May 2009, L. S. Wang 09-30247.
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</paragraph>
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<caption id="64DF1D08E11A953ECA324779A9D2FCD5" pageId="0" pageNumber="93">
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<paragraph id="B3C4917E8C057335ADA0116F77CDF96A" pageId="0" pageNumber="93">
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Figure 3.
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<taxonomicName id="EEE8FB061FE88BF607E1AA7473A72D27" class="Lecanoromycetes" family="Caliciaceae" genus="Pyxine" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Pyxine hengduanensis" order="Caliciales" pageId="0" pageNumber="93" phylum="Ascomycota" rank="species" species="hengduanensis">Pyxine hengduanensis</taxonomicName>
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: A (KUN-L 09-30247) photographed by Li-Song Wang, in situ at the type locality
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<normalizedToken id="CDDC2781E792408D0B65F9A9F7905A9B" originalValue="B–D">B-D</normalizedToken>
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(KUN-L 15-48082), photographed by Mei-xia Yang B Thallus C upper surface of thallus D marginal labriform soralia. Scale bars: 2 cm (B); 5 mm (C); 0.5 mm (D).
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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