The scientific classification of Kochia and Birch 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. Kochia and Birch kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Kochia and Birch family is a major factor of Kochia and Birch 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. Kochia belongs to the family Chenopodiaceae and Birch belongs to the family Betulaceae.
While comparing scientific classification, Kochia and Birch genus and other classification are also important. Also, when you compare Kochia and Birch, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Bassia and other plant's genus is Betula. Kochia tribe is Not Available and Birch tribe is Not Available. Kochia clade is Angiosperms and Eudicots and order is Caryophyllales whereas Birch clade is Angiosperms, Eudicots and Rosids and order is Fagales. Every plant have subfamilies. Kochia subfamilies are, Camphorosmoideae and Birch subfamilies are Carpinaceae. In this way you can compare scientific classification of Kochia and Birch and other products also.