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Article

Twelve New Species Reveal Cryptic Diversification in Foliicolous Lichens of Strigula s.lat. (Strigulales, Ascomycota)

1
State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
2
Botanischer Garten und Botanisches Museum, Freie Universität Berlin, Königin-Luise-Straße 6–8, 14195 Berlin, Germany
3
College of Life Sciences, Institute of Life Science and Green Development, Hebei University, Baoding 071002, China
4
University of Chinese Academy of Sciences, Beijing 100049, China
5
Programa de Pós-Graduação em Sistemática e Evolução, CB, Universidade Federal do Rio Grande do Norte, Campus Universitário, Natal 59072-970, RN, Brazil
6
Jardín Botánico Nacional, Universidad de La Habana, Carretera El Rocío km 3½, Calabazar, Boyeros, La Habana C.P. 19230, Cuba
*
Authors to whom correspondence should be addressed.
J. Fungi 2022, 8(1), 2; https://doi.org/10.3390/jof8010002
Submission received: 12 October 2021 / Revised: 15 December 2021 / Accepted: 18 December 2021 / Published: 21 December 2021
(This article belongs to the Section Fungal Evolution, Biodiversity and Systematics)

Abstract

We employed a molecular phylogenetic approach using five markers (ITS, nuSSU, nuLSU, TEF1-α, and RPB2) to assess potential cryptic speciation in foliicolous members of Strigula s.lat. (Strigulaceae), including the recently segregated genera Phylloporis, Puiggariella, Raciborskiella, Racoplaca, and Serusiauxiella, from tropical areas in Asia, with selected materials from the Neotropics as reference. On the basis of combined molecular and phenotypic datasets, two new species of Racoplaca and 10 new species of Strigula s.str. are described: Racoplaca macrospora sp. nov., R. maculatoides sp. nov., Strigula guangdongensis sp. nov., S. intermedia sp. nov., S. laevis sp. nov., S. microcarpa sp. nov., S. pseudoantillarum sp. nov., S. pseudosubtilissima sp. nov., S. pycnoradians sp. nov., S. sinoconcreta sp. nov., S. stenoloba sp. nov., and S. subtilissimoides sp. nov. In addition, we propose the new combination Phylloporis palmae comb. nov. (≡ =Manaustrum palmae) and we validate the earlier combination Racoplaca melanobapha comb. nov. (≡ Verrucaria melanobapha; Strigula melanobapha). Our data clearly indicate a considerable degree of cryptic diversification in foliicolous representatives of Strigula s.lat., particularly in the presumably widespread taxa Strigula antillarum, S. concreta, S. nitidula, and S. smaragdula. Given that these phylogenetic revisions are thus far limited to few regions, we predict that our findings only represent the proverbial tip of the iceberg in this group of lichenized fungi.
Keywords: diversity; morphology; new taxa; Strigulaceae; systematics diversity; morphology; new taxa; Strigulaceae; systematics

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MDPI and ACS Style

Jiang, S.-H.; Lücking, R.; Liu, H.-J.; Wei, X.-L.; Xavier-Leite, A.B.; Portilla, C.V.; Ren, Q.; Wei, J.-C. Twelve New Species Reveal Cryptic Diversification in Foliicolous Lichens of Strigula s.lat. (Strigulales, Ascomycota). J. Fungi 2022, 8, 2. https://doi.org/10.3390/jof8010002

AMA Style

Jiang S-H, Lücking R, Liu H-J, Wei X-L, Xavier-Leite AB, Portilla CV, Ren Q, Wei J-C. Twelve New Species Reveal Cryptic Diversification in Foliicolous Lichens of Strigula s.lat. (Strigulales, Ascomycota). Journal of Fungi. 2022; 8(1):2. https://doi.org/10.3390/jof8010002

Chicago/Turabian Style

Jiang, Shu-Hua, Robert Lücking, Hua-Jie Liu, Xin-Li Wei, Amanda Barreto Xavier-Leite, Carlos Viñas Portilla, Qiang Ren, and Jiang-Chun Wei. 2022. "Twelve New Species Reveal Cryptic Diversification in Foliicolous Lichens of Strigula s.lat. (Strigulales, Ascomycota)" Journal of Fungi 8, no. 1: 2. https://doi.org/10.3390/jof8010002

APA Style

Jiang, S.-H., Lücking, R., Liu, H.-J., Wei, X.-L., Xavier-Leite, A. B., Portilla, C. V., Ren, Q., & Wei, J.-C. (2022). Twelve New Species Reveal Cryptic Diversification in Foliicolous Lichens of Strigula s.lat. (Strigulales, Ascomycota). Journal of Fungi, 8(1), 2. https://doi.org/10.3390/jof8010002

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