Phylogenetic analysis of Talaromyces armstrongii

This phylogenetic analysis was done as part of a new Talaromyces species description, we formally name Talaromyces armstrongii in Fungal Planet. A combined phylogeny of Talaromyces armstrongii and its close relatives based on ITS, BenA, CaM and RPB2, using the database of Visagie et al. (2025) available at https://doi.org/10.5281/zenodo.16605949. Each gene region was aligned in MAFFT v. 7.526 (Katoh & Standley 2013). These were then concatenated, and a Maximum likelihood tree calculate in IQ-TREE v. 2.3.4 (Minh et al. 2020). Each gene region was treated as a separate partition, and the most appropriate nucleotide substitution model selected using ModelFinder (Kalyaanamoorthy et al. 2017) built into IQ-TREE. A rapid-bootstrap analysis was run with 10000 repeats. The tree was rooted to T. amestolkiae. The new species is indicated by bold text, T = ex-type strain, and GenBank accession numbers are shown in a smaller font next to the culture accession number (ITS = green, BenA = blue, CaM = red, RPB2 = orange).