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Talaromyces
Ascomycetes characterized by loose hyphal fruiting bodies (gymnothecia) containing spherical asci, which in turn each enclose 8 ascospores. The ascospores are colourless to yellow, spherical to disc-shaped, and 1-celled. The whole fungus is either colourless or brightly coloured. Anamorphs are strongly like those of Penicillium and are often difficult to distiguish from them. Their most characteristic features are highly symmetrical spore-bearing structures (penicilli) and elongated and rather lance-like phialides. Conidia are often sharply fusoid. In soil, dung, or decaying plant material. The species can be quite aggressive in culture with other fungi, often completely overrunning other colonies, suggesting some level of parasitism may be involved.
Classification: Trichocomaceae (Eurotiales). Refs: Pitt, 1980, 1985; Samson and Houbraken, 2011; Stolk and Samson, 1972