KINGDOM FUNGI. 1. Kingdom Fungi includes mushrooms, molds, edible fungi, poisonous fungi, pathogenic fungi, and beneficial fungi such as certain types of yeast. Those organism included within the Kingdom are commonly called fungi. The singularly form is fungus.Organisms in the Kingdom fungi are eukaryotes.This means that the have eukaryotic cells, those with a nucleus and membrane-bound organelles. Like plant cells, the cells of fungi have cell walls. However, the cell walls are composed of chitin, not cellulose.INGDOM FUNGI. 1. Kingdom Fungi includes mushrooms, molds, edible fungi, poisonous fungi, pathogenic fungi, and beneficial fungi such as certain types of yeast. Those organism included within the Kingdom are commonly called fungi. The singularly form is fungus.