The scientific classification of Dame's Rocket and Rainbow Cactus 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 Rainbow Cactus kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Dame's Rocket and Rainbow Cactus family is a major factor of Dame's Rocket and Rainbow Cactus 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 Rainbow Cactus belongs to the family Cactaceae.
While comparing scientific classification, Dame's Rocket and Rainbow Cactus genus and other classification are also important. Also, when you compare Dame's Rocket and Rainbow Cactus, 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 Echinocereus. Dame's Rocket tribe is Hylocereeae and Rainbow Cactus tribe is Pachycereeae. Dame's Rocket clade is Angiosperms, Asterids and Eudicots and order is Brassicales whereas Rainbow Cactus clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales. Every plant have subfamilies. Dame's Rocket subfamilies are, Cactoideae and Rainbow Cactus subfamilies are Cactoideae. In this way you can compare scientific classification of Dame's Rocket and Rainbow Cactus and other products also.