Pucciniomycotina is a subdivision of fungus within the division Basidiomycota. According to the Dictionary of the Fungi, the subdivision contains 8 classes, 18 orders, and 36 families. ...
(from the article `Basidiomycota`) Many species of the subphylum Pucciniomycotina do not form fruiting bodies. The species, parasitic on higher plants, cause leaf spots, witches`-broom ...