Type studies on Parmotrema (Parmeliaceae, Ascomycota) with salazinic acid
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Laboratório de Botânica, Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, CEP 79070-900, Campo Grande/MS, Brazil
Instituto de Botânica, Núcleo de Pesquisa em Micologia, Caixa Postal 68041, CEP 04045-972, São Paulo/SP, Brazil
Online publication date: 2020-12-29
Publication date: 2020-12-29
Plant and Fungal Systematics 2020; 65(2): 403–508
The species of Parmotrema with salazinic acid were revised, based on the types of the accepted names, as well as their synonyms. Descriptions for 66 species are given and the synonymy, chemistry, distribution and taxonomic affinities of each species discussed. Three new species are described: Parmotrema austromaculatum sp. nov., P. bifidum sp. nov. and P. clercianum sp. nov. One new combination in Parmelinella is made, P. afrocetrata comb. nov., as well as 13 new combinations in Parmotrema: P. acanthifolium comb. nov., P. concors comb. nov., P. foliolosum comb. nov., P. granulare comb. nov., P. lividotessellatum comb. nov., P. magnum comb. nov., P. maximum comb. nov., P. nudum comb. nov., P. petropoliense comb. nov., P. radiatum comb. nov., P. reterimulosum comb. nov., P. sieberi comb. nov. and P. warmingii comb. nov. One new name, Parmotrema elixii nom. nov. is proposed for Rimelia pustulata. Two lectotypifications are made: Parmotrema erubescens and P. ruminatum. Twelve taxa remain without definite status and are included in the nomina inquirenda.