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