出版社：Faculdade de Biociências, Pontifícia Universidade Católica do Rio Grande do Sul
摘要：Seven species of Punctelia Krog from the roadsides and slopes of Geral Range, Rio Grande do Sul State central region, Brazil, are described, illustrated, and keyed, including comments about a positive medullary reaction to para-phenylenediamine, recorded for the first time in this genus.
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