A taxonomic review of Penicillium species producing conidiophores with solitary phialides, classified in section Torulomyces.

Visagie, C.M., Houbraken, J.A.M.P., Dijksterhuis, J., Seifert, K.A., Jacobs, K., and Samson, R.A. (2016). "A taxonomic review of Penicillium species producing conidiophores with solitary phialides, classified in section Torulomyces.", Persoonia, 36, pp. 134-155. doi : 10.3767/003158516X690952  Access to full text

Abstract

The genus Torulomyces was characterised by species that typically have conidiophores consisting of solitary phialides that produce long chains of conidia connected by disjunctors. Based on the phylogenetic position of P. lagena (generic ex-neotype), the genus and its seven species were transferred to Penicillium and classified in sect. Torulomyces along with P. cryptum and P. lassenii. The aim of this study was to review the species currently classified in sect. Torulomyces using morphology and phylogenies of the ITS, BenA, CaM and RPB2 regions. Based on our results, we accept 16 species in sect. Torulomyces, including 12 new species described as P. aeris, P. austricola, P. cantabricum, P. catalonicum, P. oregonense, P. marthae-christenseniae, P. riverlandense, P. tubakianum, P. variratense, P. williamettense, P. wisconsinense and P. wollemiicola. In addition, we reclassify P. laeve and P. ovatum in sect. Exilicaulis and correct the typification of P. lagena. We provide descriptions and notes on the identification of the species.

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