The scientific classification of Trichocereus and Coriander 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. Trichocereus and Coriander kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Trichocereus and Coriander family is a major factor of Trichocereus and Coriander 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. Trichocereus belongs to the family Cactaceae and Coriander belongs to the family Apiaceae.
While comparing scientific classification, Trichocereus and Coriander genus and other classification are also important. Also, when you compare Trichocereus and Coriander, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Echinopsis and other plant's genus is Coriandrum. Trichocereus tribe is Trichocereeae and Coriander tribe is Coriandreae. Trichocereus clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales whereas Coriander clade is Angiosperms, Asterids and Eudicots and order is Apiales. Every plant have subfamilies. Trichocereus subfamilies are, Cactoideae and Coriander subfamilies are Apioideae. In this way you can compare scientific classification of Trichocereus and Coriander and other products also.