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  <titleInfo>
    <title>A new species of Parmotrema (Parmeliaceae, lichenized Ascomycota) from Cerrado vegetation in the state of Maranhão, Brazil</title>
  </titleInfo>
  <name type="personal">
    <namePart>Cunha-Dias, Iane Paula Rego</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Santos, Jayane Sousa</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Dutra, Tamires Silva</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Santos, Adrielle de Jesus Machado</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Nascimento, Gildean Macedo</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <typeOfResource>text</typeOfResource>
  <genre authority="marc">periodical</genre>
  <genre authority="marc">abstract or summary</genre>
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  <abstract>

Abstract

A new species of Parmotrema, with medullary lecanoric acid (P. paraisoense), is
proposed here. It features a foliose thallus with linear interrupted to subcapitate
soralia, occurring mainly on the margins of the lobes. The lobes are 4–8 mm
wide, with a ciliate margin, and contain atranorin and lecanoric acid as the main
secondary metabolites. This species has a corticolous habit and was found on a
fallen tree branch in a cerradão area, a typical vegetation of the Cerrado biome,
in the Brazilian state of Maranhão.


Key words:
• Foliose thallus
• Lecanoric acid
• Lichens
• Soralia





Resumo

Uma nova espécie de Parmotrema com ácido lecanórico medular (P. paraisoense),
é aqui proposta. Apresenta um talo folioso com sorais lineares interrompidos a
subcapitados, ocorrendo principalmente nas margens dos lobos. Os lobos têm 4–8
mm de largura, com uma margem ciliada, e contêm atranorina e ácido lecanórico
como metabólitos secundários. Esta espécie tem hábito corticícola e foi encontrada
em galhos de árvore caídos em uma área de cerradão, uma vegetação típica do
bioma Cerrado, no estado brasileiro do Maranhão.

Palavras-chave:
• Talo folioso
• Ácido lecanórico
• Liquens
• Sorais</abstract>
  <note>Publicação on-line; 26 ref.; 1 table; 3 illus.; Summaries (En, Pt)</note>
  <subject>
    <topic>LÍQUEN</topic>
  </subject>
  <subject>
    <topic>TAXONOMIA</topic>
  </subject>
  <subject>
    <topic>MARANHÃO</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Rodriguésia (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Rio de Janeiro-RJ Jardim Botanico do Rio de Janeiro 1935</publisher>
    </originInfo>
    <identifier>2026-0452</identifier>
    <identifier type="issn">0370-6583; 2175-7860 on-line</identifier>
    <identifier type="local">BR2025007516</identifier>
    <part>
      <text>v. 76 p. 1-8; (2025)</text>
    </part>
  </relatedItem>
  <identifier type="uri">https://www.scielo.br/j/rod/a/DRNnc9mRQY8nwVyw3DdwXrH/?format=pdf&amp;lang=en</identifier>
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    <url>https://www.scielo.br/j/rod/a/DRNnc9mRQY8nwVyw3DdwXrH/?format=pdf&amp;lang=en</url>
  </location>
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    <recordContentSource authority="marcorg">BR-BrBNA</recordContentSource>
    <recordCreationDate encoding="marc">260209</recordCreationDate>
    <recordChangeDate encoding="iso8601">20260209104428.0</recordChangeDate>
    <languageOfCataloging>
      <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
    </languageOfCataloging>
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