The scientific classification of Acerola and Saguaro 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. Acerola and Saguaro kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Acerola and Saguaro family is a major factor of Acerola and Saguaro 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. Acerola belongs to the family Malpighiaceae and Saguaro belongs to the family Cactaceae.
While comparing scientific classification, Acerola and Saguaro genus and other classification are also important. Also, when you compare Acerola and Saguaro, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Malpighia and other plant's genus is Carnegiea. Acerola tribe is Not Available and Saguaro tribe is Pachycereeae. Acerola clade is Angiosperms, Eudicots and Rosids and order is Malpighiales whereas Saguaro clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales. Every plant have subfamilies. Acerola subfamilies are, Not Available and Paperveroideae and Saguaro subfamilies are Cactoideae. In this way you can compare scientific classification of Acerola and Saguaro and other products also.