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