The scientific classification of Catnip and Brugmansia 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 Brugmansia kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Catnip and Brugmansia family is a major factor of Catnip and Brugmansia 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 Brugmansia belongs to the family Solanaceae.
While comparing scientific classification, Catnip and Brugmansia genus and other classification are also important. Also, when you compare Catnip and Brugmansia, 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 Brugmansia. Catnip tribe is Mentheae and Brugmansia tribe is Datureae. Catnip clade is Angiosperms, Asterids and Eudicots and order is Lamiales whereas Brugmansia clade is Angiosperms, Asterids and Eudicots and order is Solanales. Every plant have subfamilies. Catnip subfamilies are, Nepetoideae and Brugmansia subfamilies are Solanoideae. In this way you can compare scientific classification of Catnip and Brugmansia and other products also.