imperfect fungus


Definition of imperfect fungus

: any of a large and varied group of fungi that are only known to reproduce by the production of asexual spores (conidia) and in which a sexual form of reproduction is lacking or has not been scientifically observed

Note: Imperfect fungi are often considered to comprise a taxonomic division (Deuteromycota) or class (Deuteromycetes).

First Known Use of imperfect fungus

1803, in the meaning defined above

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The first known use of imperfect fungus was in 1803

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imperfect flower

imperfect fungus


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Cite this Entry

“Imperfect fungus.” Dictionary, Merriam-Webster, Accessed 22 Sep. 2021.

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imperfect fungus

im·​per·​fect fungus | \ (ˈ)im-ˈpər-fikt- How to pronounce imperfect fungus (audio) \

Medical Definition of imperfect fungus

: any of a large and heterogeneous group of fungi that lack a sexual stage or have an imperfectly known life cycle, that include many which are undoubtedly ascomycetes or more rarely basidiomycetes for which the perfect stage exists but has not been identified, and that are variously considered to comprise the division Deuteromycota, the subdivision Deuteromycotina, or the class Deuteromycetes

called also deuteromycete


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