Abstract
The genus Panus and many of its species have a wide geographic distribution, and in-depth up-to-date taxonomic review is needed that includes critical review of type materials within a phylogenetic frame. In order to recover the phylogenetic relationships within Panus species and their morphological boundaries and to critically analyze the diversity recorded for Brazil, we carried out fieldwork in poorly explored areas in the country and morphological and literature revisions of fungarium specimens, including several type materials. We present a comprehensive phylogeny of Panus and discuss several taxonomic and nomenclatural implications in order to achieve stability for species of the genus. Four new species are proposed, P. capelariae, P. pachysporus, P. speciosus, and P. stiptonotatus. Panus campinensis and P. thailandicus (an endophytic species) are proposed as new combinations in the genus, based on a morphological revision and phylogenetic evidence of their types, respectively. Additionally, Endopandanicola is synonymized within Panus, and P. parvus is synonymized within P. strigellus. The occurrence of P. conchatus, P. convivalis, P. fulvus, P. similis, and P. tephroleucus in Brazil is rejected due to morphological and phylogenetic evidences. For P. conchatus and P. similis, we present bases for the recognition of its sensu stricto status. We also discuss nomenclatural issues surrounding the Lentinus velutinus complex that include the basionym elucidation, its sensu stricto delimitation, and an epitypification based on a new sequenced specimen from the type locality. Our comprehensive assessment of Panus in Brazil has led to the confirmation of ten species supported by morphological and/or molecular data, which are critically discussed, and an identification key is presented.
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All data used in this study are either directly cited (nomenclature) or are available through the cited references (underlying phylogeny and sequence data) or through the cited repositories (MycoBank registration numbers, molecular data at Dataverse).
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Acknowledgements
We are grateful to all the protected areas and their directors for permission to sample collections; the curators of mentioned fungaria for the loan of specimens (FLOR, IAC, SP, URM); the fungaria curatorship that readily sent photos and support us with type specimen data (BAFC, ISC, LISU, LPS, K, TENN, UPS); the Laboratório Multiusuário de Estudos em Biologia (LAMEB/UFSC) for providing infrastructure to carry out the molecular studies; J. Prado, C. Bicudo, and F. Wartchow for nomenclatural discussion on Panus neostrigosus versus Panus lecomtei; Dra. Fernanda Karstedt for pictures of Panus ciliatus; Dra. Viviane de Oliveira Garcia and colleagues from MICOLAB-UFSC for specimen collections; Dr. Diogo Henrique Costa-Rezende and Kelmer Cunha for assistance in analyses and discussion of species and pictures, respectively; and Dr. Jaya Seelan Sathiya Seelan (Univ. of Malaysia Sabah) for generating ITS and nrLSU sequences from some Brazilian specimens loaned from the herbarium SP. This research is part of the MIND.Funga research group: https://mindfunga.ufsc.br/.
Funding
The authors thank Coordenação de Aperfeiçoamento Pessoal de Nível Superior (CAPES) for providing master and PhD scholarships to DKSG and FB; the PPGFAP/UFSC; the FONCYT (PICT 0830 to GR) and Fundación FungiCosmos for partial financing of the research; the Society of Systematic Biologists for the Mini-ARTS award to FB, allowing type revisions at LPS. NMJr. thanks the “Fundação de Amparo à Pesquisa do Estado de São Paulo” (FAPESP) (grant #18/15677–0). AGN, ERDS, NMJr., and GAS are supported by CNPq (Grant Nos. 308880/2022–6, 310150/2022–1, 314236/2021–0, and 153025/2022–0, respectively).
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Conceptualization: Denyse K. Sousa-Guimarães, Elisandro R. Drechsler-Santos; methodology: Denyse K. Sousa-Guimarães, Felipe Bittencourt; formal analysis and investigation: Denyse K. Sousa-Guimarães, Olga Camacho, Genivaldo Alves-Silva, Elisandro R. Drechsler-Santos; writing—original draft preparation: Denyse K. Sousa-Guimarães, Genivaldo Alves-Silva, Elisandro R. Drechsler-Santos; writing—review and editing: Felipe Bittencourt, Gerardo L. Robledo, Nelson Menolli Jr, Aristóteles Góes-Neto; funding acquisition: Elisandro R. Drechsler-Santos, Aristóteles Góes-Neto; resources: Elisandro R. Drechsler-Santos, Aristóteles Góes-Neto; supervision: Genivaldo Alves-Silva, Nelson Menolli Jr, Gerardo L. Robledo; Elisandro R. Drechsler-Santos.
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Sousa-Guimarães, D.K., Alves-Silva, G., Bittencourt, F. et al. A comprehensive phylogeny of Panus (Panaceae, Polyporales) and revisited Brazilian diversity. Mycol Progress 23, 19 (2024). https://doi.org/10.1007/s11557-024-01955-3
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DOI: https://doi.org/10.1007/s11557-024-01955-3