The scientific classification of Azalea and Oatgrass 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. Azalea and Oatgrass kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Azalea and Oatgrass family is a major factor of Azalea and Oatgrass 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. Azalea belongs to the family Ericaceae and Oatgrass belongs to the family Poaceae.
While comparing scientific classification, Azalea and Oatgrass genus and other classification are also important. Also, when you compare Azalea and Oatgrass, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Rhododendron and other plant's genus is Danthonia. Azalea tribe is Rhodoreae and Oatgrass tribe is Aveneae. Azalea clade is Angiosperms, Asterids and Eudicots and order is Ericales whereas Oatgrass clade is Angiosperms, Commelinids and Monocots and order is Poales. Every plant have subfamilies. Azalea subfamilies are, Ericoideae and Oatgrass subfamilies are Danthonioideae. In this way you can compare scientific classification of Azalea and Oatgrass and other products also.