noun
large and heterogeneous form division of fungi comprising forms for which no sexually reproductive stage is known
• Hypernyms: ↑division
• Member Holonyms: ↑Eumycota, ↑division Eumycota
• Member Meronyms: ↑Deuteromycetes, ↑class Deuteromycetes, ↑Moniliales, ↑order Moniliales, ↑Mycelia Sterilia, ↑order Mycelia Sterilia
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\\-ˌimpə(r)ˈfekˌtī\ noun pluralUsage: capitalized F&I
: a large and heterogeneous group of fungi comprising forms whose life cycle is imperfectly known or lacks the sexual stage, including many that are undoubtedly ascomycetes or more rarely basidiomycetes for which the perfect stage exists but has not been identified, and being usually divided among the orders Sphaeropsidales, Melanconiales, Moniliales, and Mycelia sterilia
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/im'peuhr fek"tuy/
a class of fungi for which a sexually reproductive stage of the life cycle has not been found.
[ < NL: lit., imperfect fungi]
Useful english dictionary. 2012.