<documentid="EAA31D728F616DCFDBBD3A715FA2D128"ID-DOI="10.11646/phytotaxa.657.1.1"ID-ISSN="1179-3163"ID-Zenodo-Dep="13217474"IM.bibliography_approvedBy="felipe"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="felipe"IM.tables_requiresApprovalFor="GgImagineBatch"IM.taxonomicNames_approvedBy="felipe"IM.treatmentCitations_approvedBy="felipe"IM.treatments_approvedBy="felipe"checkinTime="1722603694281"checkinUser="felipe"docAuthor="Masson, Didier, Magain, Nicolas & Sérusiaux, Emmanuël"docDate="2024"docId="03FA864EFFE12F10FF1AFF70FC00FC80"docLanguage="en"docName="phytotaxa.657.1.1.pdf"docOrigin="Phytotaxa 657 (1)"docSource="http://dx.doi.org/10.11646/phytotaxa.657.1.1"docStyle="DocumentStyle:F08184CE06D8A97EA3E6DE35D99648B0.4:Phytotaxa.2014-.monograph"docStyleId="F08184CE06D8A97EA3E6DE35D99648B0"docStyleName="Phytotaxa.2014-.monograph"docStyleVersion="4"docTitle="Parmotrema mwaliense D. M. Masson, sp. nov."docType="treatment"docVersion="2"lastPageNumber="123"masterDocId="FFC3FE36FF982F6AFF92FF84FF9FFFE4"masterDocTitle="Small island but great diversity: thirty six species of Parmotrema (Parmeliaceae, lichenized Ascomycota), including sixteen new species, on Réunion (Mascarenes), with additional data from the Western Indian Ocean"masterLastPageNumber="138"masterPageNumber="1"pageNumber="122"updateTime="1722811504206"updateUser="ExternalLinkService">
<mods:titleid="3DBF0F2B0639ADA57E5AF56AA46E5606">Small island but great diversity: thirty six species of Parmotrema (Parmeliaceae, lichenized Ascomycota), including sixteen new species, on Réunion (Mascarenes), with additional data from the Western Indian Ocean</mods:title>
<taxonomicNameid="4C534CDBFFE12F13FF1AFF70FDA3FEEB"authority="D.M. Masson"authorityName="D. M. Masson"box="[136,572,243,271]"class="Lecanoromycetes"family="Parmeliaceae"genus="Parmotrema"kingdom="Fungi"order="Lecanorales"pageId="121"pageNumber="122"phylum="Ascomycota"rank="species"species="mwaliense"status="sp. nov.">
Characterized by the ciliate margin of the lobes, the numerous elongate, canaliculate and branched laciniae, the lack of vegetative propagules, the perforate disc of the apothecia, and the presence of diffractaic and barbatic acids in the medulla.
<specimenCodeid="DBF59F23FFE12F13FF56FE0CFED8FE79"box="[196,327,392,413]"collectionCode="REN"country="France"lsid="urn:lsid:biocol.org:col:35038"name="Culture Scientifique et Technique (CST) Université de Rennes 1"pageId="121"pageNumber="122"type="Herbarium">REN 000048</specimenCode>
<figureCitationid="13682BDDFFE12F13FF02FE2CFF7DFE26"box="[144,226,424,450]"captionStart="FIGURE 44"captionStartId="121.[136,229,1802,1824]"captionTargetBox="[152,1433,1271,1777]"captionTargetId="figure-434@121.[150,1435,1270,1778]"captionTargetPageId="121"captionText="FIGURE 44. Parmotrema mwaliense (holotype). A: Part of thallus showing the ciliate margin of the lobes, the numerous elongate, canaliculate and branched laciniae, and a mature apothecium with a perforate disc; B: Another part of thallus with ciliate and laciniate lobe margins. Scale bars: A, B = 5 mm."figureDoi="http://doi.org/10.5281/zenodo.13217562"httpUri="https://zenodo.org/record/13217562/files/figure.png"pageId="121"pageNumber="122">Fig. 44</figureCitation>
<figureCitationid="13682BDDFFE12F13FBA0FD90FB02FDCA"box="[1074,1181,532,558]"captionStart="FIGURE 44"captionStartId="121.[136,229,1802,1824]"captionTargetBox="[152,1433,1271,1777]"captionTargetId="figure-434@121.[150,1435,1270,1778]"captionTargetPageId="121"captionText="FIGURE 44. Parmotrema mwaliense (holotype). A: Part of thallus showing the ciliate margin of the lobes, the numerous elongate, canaliculate and branched laciniae, and a mature apothecium with a perforate disc; B: Another part of thallus with ciliate and laciniate lobe margins. Scale bars: A, B = 5 mm."figureDoi="http://doi.org/10.5281/zenodo.13217562"httpUri="https://zenodo.org/record/13217562/files/figure.png"pageId="121"pageNumber="122">Fig. 44B</figureCitation>
± shiny, emaculate to faintly white-maculate, clearly punctiform white-maculate on the amphithecia, smooth to rugose, here and there cracked, but not flaking, lacking schizidia, pustules, dactyls, isidia, and soralia.
numerous, marginal, very rarely laminal, elongate, generally canaliculate with ± subterete apex, ± dichotomously and repeatedly branched, margins ciliate, up to
<figureCitationid="13682BDDFFE12F13FD7AFD68FCCCFCE2"box="[744,851,748,774]"captionStart="FIGURE 44"captionStartId="121.[136,229,1802,1824]"captionTargetBox="[152,1433,1271,1777]"captionTargetId="figure-434@121.[150,1435,1270,1778]"captionTargetPageId="121"captionText="FIGURE 44. Parmotrema mwaliense (holotype). A: Part of thallus showing the ciliate margin of the lobes, the numerous elongate, canaliculate and branched laciniae, and a mature apothecium with a perforate disc; B: Another part of thallus with ciliate and laciniate lobe margins. Scale bars: A, B = 5 mm."figureDoi="http://doi.org/10.5281/zenodo.13217562"httpUri="https://zenodo.org/record/13217562/files/figure.png"pageId="121"pageNumber="122">Fig. 44A</figureCitation>
in diameter, shortly stipitate on constricted stipes; disc perforate, reddish brown, ± shiny, first concave, then ± flattening with age; thalline margin soon dentate, then laciniate with age (
<figureCitationid="13682BDDFFE12F13FAA1FC24FA00FC5E"box="[1331,1439,928,954]"captionStart="FIGURE 44"captionStartId="121.[136,229,1802,1824]"captionTargetBox="[152,1433,1271,1777]"captionTargetId="figure-434@121.[150,1435,1270,1778]"captionTargetPageId="121"captionText="FIGURE 44. Parmotrema mwaliense (holotype). A: Part of thallus showing the ciliate margin of the lobes, the numerous elongate, canaliculate and branched laciniae, and a mature apothecium with a perforate disc; B: Another part of thallus with ciliate and laciniate lobe margins. Scale bars: A, B = 5 mm."figureDoi="http://doi.org/10.5281/zenodo.13217562"httpUri="https://zenodo.org/record/13217562/files/figure.png"pageId="121"pageNumber="122">Fig. 44A</figureCitation>
: Part of thallus showing the ciliate margin of the lobes, the numerous elongate, canaliculate and branched laciniae, and a mature apothecium with a perforate disc;
<emphasisid="B927EB4AFFE12F13FECDF813FD13F855"box="[351,652,1943,1969]"italics="true"pageId="121"pageNumber="122">Spot tests and fluorescence</emphasis>
a.s.l., on bark, and most probably, according to the locality cited, in the dense mid-elevation evergreen rainforest occupying the central part of the island between 500 and
, the simultaneous occurrence of both diffractaic and barbatic acids in the medulla is rare and only found in five or six species [the recently described
<taxonomicNameid="4C534CDBFFE22F10FC49FEF3FAB1FE74"authority="R. S. Egan"authorityName="R. S. Egan"box="[987,1326,374,400]"class="Lecanoromycetes"family="Parmeliaceae"genus="Parmotrema"kingdom="Fungi"order="Lecanorales"pageId="122"pageNumber="123"phylum="Ascomycota"rank="species"species="neodiffractaicum">
<taxonomicNameid="4C534CDBFFE22F10FEFBFE1FFC2EFE50"authority="(Kurok.) Hale ex DePriest & B. W. Hale"authorityName="DePriest & B. W. Hale"baseAuthorityName="Kurok."box="[361,945,410,436]"class="Lecanoromycetes"family="Parmeliaceae"genus="Parmotrema"kingdom="Fungi"order="Lecanorales"pageId="122"pageNumber="123"phylum="Ascomycota"rank="species"species="matudae">
<taxonomicNameid="4C534CDBFFE22F10FE56FE3BFC32FE3C"authority="(Kurok.) Louwhoff & Elix"authorityName="Louwhoff & Elix"baseAuthorityName="Kurok."box="[452,941,446,472]"class="Lecanoromycetes"family="Parmeliaceae"genus="Parmotrema"kingdom="Fungi"order="Lecanorales"pageId="122"pageNumber="123"phylum="Ascomycota"rank="species"species="praeinsuetum">
<bibRefCitationid="EFC24AA9FFE22F10FF1DFE66FED8FE18"author="Kurokawa, S."box="[143,327,482,508]"pageId="122"pageNumber="123"pagination="193 - 198"refId="ref124441"refString="Kurokawa, S. (1984) Joint occurrence of diffractaic and barbatic acids in Parmelia, subgenus Amphigymnia (Lichenes). The Journal of Japanese Botany 59 (7): 193 - 198."type="journal article"year="1984">Kurokawa 1984</bibRefCitation>
,
<bibRefCitationid="EFC24AA9FFE22F10FEC2FE66FE20FE19"author="Elix, J. A."box="[336,447,482,509]"pageId="122"pageNumber="123"refId="ref120440"refString="Elix, J. A. (1995) New species in the lichen family Parmeliaceae (Ascomycotina) from Australasia and Malaysia. Mycotaxon 56: 231 - 141."type="journal volume"year="1995">Elix 1995</bibRefCitation>
,
<bibRefCitationid="EFC24AA9FFE22F10FE5BFE66FD57FE18"author="Louwhoff, S. H. J. J. & Elix, J. A."box="[457,712,482,508]"pageId="122"pageNumber="123"pagination="1 - 152"refId="ref125819"refString="Louwhoff, S. H. J. J. & Elix, J. A. (1999) Parmotrema and allied lichen genera in Papua New Guinea. Bibliotheca Lichenologica 73: 1 - 152."type="journal article"year="1999">Louwhoff & Elix 1999</bibRefCitation>
,
<bibRefCitationid="EFC24AA9FFE22F10FD40FE66FC15FE18"author="Egan, R. S. & Perez-Perez, R. E. & Nash III, T. H."box="[722,906,482,508]"pageId="122"pageNumber="123"pagination="323 - 425"refId="ref120237"refString="Egan, R. S., Perez-Perez, R. E. & Nash III, T. H. (2016) Parmotrema in Mexico. Bibliotheca Lichenologica 110: 323 - 425."type="journal article"year="2016">
contains protocetraric acid in addition to diffractaic and barbatic acids, and its ascospores are narrower (10–13.5 µm wide, according to
<bibRefCitationid="EFC24AA9FFE22F10FB57FDCAFAE5FD8C"author="Kurokawa, S."box="[1221,1402,590,616]"pageId="122"pageNumber="123"pagination="193 - 198"refId="ref124441"refString="Kurokawa, S. (1984) Joint occurrence of diffractaic and barbatic acids in Parmelia, subgenus Amphigymnia (Lichenes). The Journal of Japanese Botany 59 (7): 193 - 198."type="journal article"year="1984">Kurokawa 1984</bibRefCitation>
and
<bibRefCitationid="EFC24AA9FFE22F10FF1AFDF6FE0BFD68"author="Louwhoff, S. H. J. J. & Elix, J. A."box="[136,404,626,652]"pageId="122"pageNumber="123"pagination="1 - 152"refId="ref125819"refString="Louwhoff, S. H. J. J. & Elix, J. A. (1999) Parmotrema and allied lichen genera in Papua New Guinea. Bibliotheca Lichenologica 73: 1 - 152."type="journal article"year="1999">Louwhoff & Elix 1999</bibRefCitation>
<bibRefCitationid="EFC24AA9FFE22F10FC20FC86FB72FCF8"author="des Abbayes, H."box="[946,1261,770,797]"pageId="122"pageNumber="123"pagination="1 - 26"refId="ref118732"refString="des Abbayes, H. (1956) Lichens de la region malgache. I. Especes foliacees et fruticuleuses recoltees a Madagascar principalement par H. Humbert et a Moheli (Comores) par l'Institut de Recherche scientifique de Madagascar. Memoires de l'Institut scientifique de Madagascar, Serie B 7: 1 - 26."type="journal article"year="1956">des Abbayes (1956: 11–12)</bibRefCitation>
<bibRefCitationid="EFC24AA9FFE22F10FE76FCCEFDF8FC81"author="Hale, M. E."box="[484,615,842,869]"pageId="122"pageNumber="123"pagination="193 - 358"refId="ref122458"refString="Hale, M. E. (1965 a) A monograph of Parmelia subgenus Amphigymnia. Contributions from the United States National Herbarium 36: 193 - 358."type="journal article"year="1965">
