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Issue: Vol. 695 No. 1: 25 Mar. 2025
Type: Article
Published: 2025-03-25
DOI: 10.11646/phytotaxa.695.1.1
Page range: 1-56
Abstract views: 115
PDF downloaded: 9

A taxonomic revision of the lichen genus Lecanoropsis (Lecanoraceae)

Goethe-Universität Frankfurt am Main, Max-von-Laue-Str. 9, 60438, Frankfurt am Main, Germany. Department of Botany and Molecular Evolution, Senckenberg Research Institute and Natural History Museum Frankfurt, Senckenberganlage 25, D-60325, Frankfurt am Main, Germany.
Department of Botany and Molecular Evolution, Senckenberg Research Institute and Natural History Museum Frankfurt, Senckenberganlage 25, D-60325, Frankfurt am Main, Germany. Botany and Mycology Section, Finnish Museum of Natural History, University of Helsinki, 00100, Helsinki, Finland.
Institute of Botany, Czech Academy of Sciences, Zámek 1, CZ-252 43 Průhonice, Czech Republic.
Herbarium, Department of Biology, Western Carolina University, Cullowhee, NC 28723, U.S.A.
Senckenberg Museum of Natural History, Am Museum 1, 02826 Görlitz, Germany.
The Museum of Iranian Lichens, Iranian Research Organization for Science and Technology (IROST), 3313193685, Tehran, Iran.
4727 Alpine Dr., Klamath Falls, Oregon 97603, United States.
Department of Botany and Molecular Evolution, Senckenberg Research Institute and Natural History Museum Frankfurt, Senckenberganlage 25, D-60325, Frankfurt am Main, Germany.
Lecanora Lecanora saligna-group Lecanoropsis phylogeny systematics Lecanoraceae Taxonomy Lichens

Abstract

Lecanora s. lat. is a genus of crustose lichens comprising c. 1000 recognized species and subdivided into several morphology-based groups. One of the groups that has rarely been studied by molecular methods is the L. saligna-group. This group includes corticolous and lignicolous species of Lecanora, usually containing isousnic or usnic acid (or both) as major secondary metabolites. We present here a systematic revision of 23 species belonging to the L. saligna-group with descriptions and an identification key. A phylogenetic analysis based on seven loci is also included in this work, comprising the majority of the recognized species ascribed to the L. saligna-group. Four new primer pairs for mitochondrial loci were designed and resulting sequences were included in the phylogenetic dataset. Previous phylogenetic analyses of the Lecanora Saligna-group had shown the monophyletic status of a “core” saligna-clade with two species formerly recognized as belonging to the L. saligna-group appearing as sister to this clade, with no phylogenetic support. The analysis including four more mitochondrial loci and one more nuclear locus, provides well-supported delimitation of the species within the L. saligna-group and confirms the monophyly of the “core” saligna-clade. We therefore propose the segregation of the species within this clade into the genus Lecanoropsis M. Choisy ex Ivanovich. Six species are described as new to science: Lecanoropsis austrocascadensis Hollinger & Ivanovich, L. coracina Ivanovich, Otte & Sheehy, L. iapyx Ivanovich & Hollinger, L. micans Ivanovich, Hollinger & Printzen, L. omissa Palice, Ivanovich & Printzen and L. prolificans Ivanovich, Hollinger & Printzen.

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How to Cite

IVANOVICH, CRISTÓBAL, LILITH WEBER, ZDENĚK PALICE, JASON HOLLINGER, VOLKER OTTE, MOHAMMAD SOHRABI, STEVE SHEEHY, and CHRISTIAN PRINTZEN. 2025. “A Taxonomic Revision of the Lichen Genus <em>Lecanoropsis</Em> (Lecanoraceae)”. Phytotaxa 695 (1):1-56. https://doi.org/10.11646/phytotaxa.695.1.1.