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ABSTRACT
Talaromyces strains isolated from maize seeds and the built environment were examined taxonomically because they could not be identified as previously described species. Using phenotypic analysis, DNA sequencing, and phylogenetic and concordance analyses, the authors discovered and described 10 new species in sect. Islandici and 1 new species in sect. Subinflati. Taxonomic novelties in sect. Islandici are Talaromyces delawarensis, T. herodensis, T. juglandicola, T. kilbournensis, T. novojersensis, T. ricevillensis, T. rogersiae, T. siglerae, T. subtropicalis, and T. tiftonensis, and the species from sect. Subinflata is T. tzapotlensis. The isolate of T. siglerae is unusual in Talaromyces because it produced a Sagenomella-like anamorph, but phylogenetic analysis placed it in Talaromyces. Talaromyces rotundus is known from a few isolates, but searches with internal transcribed spacer (ITS) sequences in GenBank revealed that it is commonly endolichenous with Lasallia hispanica. Talaromyces wortmannii also has a role as an endophyte of the aquatic plant Persicaria amphibia, based on ITS sequence records from GenBank.
ACKNOWLEDGMENTS
The technical assistance of Amy McGovern and Sammy Sedky is gratefully acknowledged. Mention of trade names or commercial products in this publication is solely for the purpose of providing specific information and does not imply recommendation or endorsement by the U.S. Department of Agriculture (USDA). USDA is an equal opportunity provider and employer.
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