The scientific classification of Dame's Rocket and Davidia 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. Dame's Rocket and Davidia kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Dame's Rocket and Davidia family is a major factor of Dame's Rocket and Davidia 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. Dame's Rocket belongs to the family Brassicaceae and Davidia belongs to the family Nyssaceae.
While comparing scientific classification, Dame's Rocket and Davidia genus and other classification are also important. Also, when you compare Dame's Rocket and Davidia, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Hesperis and other plant's genus is Davidia. Dame's Rocket tribe is Hylocereeae and Davidia tribe is Astereae. Dame's Rocket clade is Angiosperms, Asterids and Eudicots and order is Brassicales whereas Davidia clade is Angiosperms, Asterids and Eudicots and order is Cornales. Every plant have subfamilies. Dame's Rocket subfamilies are, Cactoideae and Davidia subfamilies are Davidioideae. In this way you can compare scientific classification of Dame's Rocket and Davidia and other products also.