Abstract
The monotypic lichenised genus Anamylopsora (Baeomycetaceae, Baeomycetales), with its single species A.pulcherrima, is distributed in the arid areas of the Northern Hemisphere, including China. In this paper, we introduce another species new to science, Anamylopsorapruinosa. The new species is characterised by a densely pruinose upper surface, abundantly thick and strong rhizines and terricolous habitat. It is also strongly supported by the phylogenetic and species delimitation analyses based on nrDNA ITS sequences, in which A.pruinosa forms well-supported clade separated from A.pulcherrima.
Highlights
The monotypic genus Anamylopsora Timdal was established in 1991 (Timdal 1991), based on the species Anamylopsora pulcherrima (Vain.) Timdal
Anamylopsora formed a well-supported (BS=100, PP=1.00) monophyletic clade, within which the new species obviously separated from A. pulcherrima
Except for the diagnostic characters of the new species Anamylopsora pruinosa, most characters are accordant with the genus Anamylopsora, such as the habit of thallus, type and location of apothecia, weakly amyloid hymenium, asci with amyloid sheet, non-amyloid tholus, ascospores and conidia, and chemistry, etc. (Lumbsch et al 1995; Timdal 1991)
Summary
The monotypic genus Anamylopsora Timdal was established in 1991 (Timdal 1991), based on the species Anamylopsora pulcherrima (Vain.) Timdal. Together with Lecidea, the genus Anamylopsora was included in the family Lecideaceae Chevall., it was observed to be more similar to Trapeliaceae M. Lumbsch et al (1995) established a monotypic family Anamylopsoraceae in the Agyriineae (Lecanorales) based on the ascus structure, chemistry, pycnidial structure and ascoma ontogeny, comparing with all the morphologically similar or related families, such as Agyriaceae Corda, Baeomycetaceae Dumort., Icmadophilaceae Triebel, Lecideaceae and Psoraceae Zahlbr Choisy ex Hertel in the ascus structure (Timdal 1991). Lumbsch et al (1995) established a monotypic family Anamylopsoraceae in the Agyriineae (Lecanorales) based on the ascus structure, chemistry, pycnidial structure and ascoma ontogeny, comparing with all the morphologically similar or related families, such as Agyriaceae Corda, Baeomycetaceae Dumort., Icmadophilaceae Triebel, Lecideaceae and Psoraceae Zahlbr
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