Fungi were once classified as plants. However, they are different from plants in two important ways: 1) fungi cell walls are composed of chitin rather than cellulose (plants) and 2) fungi do not make their own food like plants do through photosynthesis.
http://www.ducksters.com/science/biology/fungi.php
• FUNGI IMPERFECTI (noun). The noun FUNGI IMPERFECTI has 1 sense: 1. large and heterogeneous form division of fungi comprising forms for which no sexually reproductive stage is known. Familiarity information: FUNGI IMPERFECTI used as a noun is very rare.
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The concept of permitting separate names for anamorphs of fungi with a pleomorphic life-cycle has been an issue of debate since the phenomenon was recognized in the mid-19th century. This was even before the first international rules for botanical nomenclature were issued in 1867.
https://en.wikipedia.org/wiki/Teleomorph,_anamorph_and_holomorph
1 They do not possess chlorophyll like plants. 2  They reproduce through numerous spores rather than pollen, fruit, or seeds. 3  They are usually not motile, meaning they cannot actively move around. 4  Food-Many fungi are used as food such as mushrooms and truffles.
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Fungi are classified primarily based on the structures associated with sexual reproduction, which tend to be evolutionarily conserved. However, many fungi reproduce only asexually, and cannot be easily placed in a classification based on sexual characters; some produce both asexual and sexual states.
https://en.wikipedia.org/wiki/Teleomorph,_anamorph_and_holomorph
In mycology, the terms teleomorph, anamorph, and holomorph apply to portions of the life cycles of fungi in the phyla Ascomycota and Basidiomycota. 1  Teleomorph: the sexual reproductive stage (morph), typically a fruiting body.
https://en.wikipedia.org/wiki/Teleomorph,_anamorph_and_holomorph
Fungi are a group of living organisms which are classified in their own kingdom. This means they are not animals, plants, or bacteria. Unlike bacteria, which have simple prokaryotic cells, fungi have complex eukaryotic cells like animals and plants. Fungi are found throughout the Earth including on land, in the water, in the air, and even in plants and animals.
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1 They are usually not motile, meaning they cannot actively move around. 2  Food-Many fungi are used as food such as mushrooms and truffles. 3  Yeast, a type of fungi, is used when baking bread to help it rise and to ferment beverages.
http://www.ducksters.com/science/biology/fungi.php
1 Anamorph: an asexual reproductive stage (morph), often mold-like. 2  When a single fungus produces multiple morphologically distinct anamorphs, these are called synanamorphs. 3  Holomorph: the whole fungus, including anamorphs and teleomorph.
https://en.wikipedia.org/wiki/Teleomorph,_anamorph_and_holomorph
Noun. 1. Deuteromycota-large and heterogeneous form division of fungi comprising forms for which no sexually reproductive stage is known. Deuteromycotina, Fungi imperfecti, subdivision Deuteromycota, subdivision Deuteromycotina. division - (botany) taxonomic unit of plants corresponding to a phylum.
http://www.thefreedictionary.com/Imperfect+fungi
imperfect fungi definition
A large and heterogeneous form division of fungi comprising forms for which no sexually reproductive stage is known the imperfect fungi. The imperfect fungi is a large and heterogeneous form division of fungi comprising forms for which no sexually reproductive stage is known.