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