Five new Talaromyces species with ampulliform-like phialides and globose rough walled conidia resembling T. verruculosus

Talaromyces verruculosus, T. aculeatus and T. apiculatus are the only Talaromyces species that produce conidiophores with ampulliform phialides, which taper into very thin necks and have rough walled, globose conidia. In this study, we introduce five new species with similar micromorphological features, but were found to display unique macro-morphological characters. Talaromyces australis (CBS 137102(T)) is distinguished by its restricted growth on CYA at 25 and 37 degrees C (16-24 mm; 9-13 mm) and red pigments produced on most media. Talaromyces kendrickii (CBS 136666(T)) is distinguished by its inability to grow on CYA at 37 degrees C. Talaromyces veerkampii (CBS 500.78(T)) grows rapidly on MEA (38-42 mm) and colonies on YES has a bronze green reverse. Talaromyces fuscoviridis (CBS 193.69(T)) colonies have dark green reverses on MEA and commonly produces red exudates on other media. Talaromyces stellenboschiensis (CBS 135665(T)) grows faster on CYA at 25, 30 and 37 degrees C (40-45 mm; 48-53 mm; 35-40 mm) than the others. Morphological findings were supported by both multigene phylogenetic analyses and the extrolites produced by these species. (C) 2015 The Mycological Society of Japan. Published by Elsevier B.V. All rights reserved.