The scientific classification of Celery Cabbage and Cereus 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. Celery Cabbage and Cereus kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Celery Cabbage and Cereus family is a major factor of Celery Cabbage and Cereus 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. Celery Cabbage belongs to the family Brassicaceae and Cereus belongs to the family Cactaceae.
While comparing scientific classification, Celery Cabbage and Cereus genus and other classification are also important. Also, when you compare Celery Cabbage and Cereus, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Brassica and other plant's genus is Selenicereus. Celery Cabbage tribe is Brassiceae and Cereus tribe is Hylocereeae. Celery Cabbage clade is Angiosperms and order is Brassicales whereas Cereus clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales. Every plant have subfamilies. Celery Cabbage subfamilies are, Not Applicable and Cereus subfamilies are Cactoideae. In this way you can compare scientific classification of Celery Cabbage and Cereus and other products also.