The scientific classification of Saguaro and Easter 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. Saguaro and Easter cactus kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Saguaro and Easter cactus family is a major factor of Saguaro and Easter 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. Saguaro belongs to the family Cactaceae and Easter cactus belongs to the family Cactaceae.
While comparing scientific classification, Saguaro and Easter cactus genus and other classification are also important. Also, when you compare Saguaro and Easter cactus, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Carnegiea and other plant's genus is Hatiora. Saguaro tribe is Pachycereeae and Easter cactus tribe is Rhipsalideae. Saguaro clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales whereas Easter cactus clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales. Every plant have subfamilies. Saguaro subfamilies are, Cactoideae and Easter cactus subfamilies are Cactoideae. In this way you can compare scientific classification of Saguaro and Easter cactus and other products also.