The scientific classification of Bougainvillea and Spinach 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. Bougainvillea and Spinach kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Bougainvillea and Spinach family is a major factor of Bougainvillea and Spinach 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. Bougainvillea belongs to the family Nyctaginaceae and Spinach belongs to the family Chenopodiaceae.
While comparing scientific classification, Bougainvillea and Spinach genus and other classification are also important. Also, when you compare Bougainvillea and Spinach, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Bougainvillea and other plant's genus is Spinacia. Bougainvillea tribe is Not Available and Spinach tribe is Anserineae. Bougainvillea clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales whereas Spinach clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales. Every plant have subfamilies. Bougainvillea subfamilies are, Not Available and Spinach subfamilies are Chenopodioideae. In this way you can compare scientific classification of Bougainvillea and Spinach and other products also.