The scientific classification of English Oak and Iris includes the entire classification chart that includes kingdom, family, clade, tribe etc. A kingdom is the second highest taxonomic rank. A taxonomic rank is the level that a living organisms are placed in hierarchical level of arrangement of life forms. All the living organisms are divided into kingdoms. Plant kingdom is a main classification of living organisms that include all plants. There are six kingdoms which are: Plantae, Animalia, Fungi, Protista, Aschaea/Archaeabacteria and Bacteria Eubacteria. English Oak and Iris kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. English Oak and Iris family is a major factor of English Oak and Iris Scientific Classification. Plant family helps you narrow the search of your plants. It also gives you idea about, how the plant looks, how the seed will be like etc. These two plant families can be different or same. English Oak belongs to the family Fagaceae and Iris belongs to the family Iridaceae.
While comparing scientific classification, English Oak and Iris genus and other classification are also important. Also, when you compare English Oak and Iris, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Quercus and other plant's genus is Iris. English Oak tribe is Not Available and Iris tribe is Irideae. English Oak clade is Angiosperms, Eudicots and Rosids and order is Fagales whereas Iris clade is Angiosperms and Monocots and order is Asparagales. Every plant have subfamilies. English Oak subfamilies are, Not Available and Iris subfamilies are Iridoideae. In this way you can compare scientific classification of English Oak and Iris and other products also.