The scientific classification of Elkhorn and Southernwood 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. Elkhorn and Southernwood kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Elkhorn and Southernwood family is a major factor of Elkhorn and Southernwood 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. Elkhorn belongs to the family Euphorbiaceae and Southernwood belongs to the family Asteraceae.
While comparing scientific classification, Elkhorn and Southernwood genus and other classification are also important. Also, when you compare Elkhorn and Southernwood, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Euphorbia and other plant's genus is Artemisia. Elkhorn tribe is Euphorbieae and Southernwood tribe is Anthemideae. Elkhorn clade is Angiosperms, Eudicots and Rosids and order is Malpighiales whereas Southernwood clade is Angiosperms, Asterids and Eudicots and order is Asterales. Every plant have subfamilies. Elkhorn subfamilies are, Euphorbioideae and Southernwood subfamilies are Asteroideae. In this way you can compare scientific classification of Elkhorn and Southernwood and other products also.