The scientific classification of American Elm and Ajwain plant 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. American Elm and Ajwain plant kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. American Elm and Ajwain plant family is a major factor of American Elm and Ajwain plant 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. American Elm belongs to the family Ulmaceae and Ajwain plant belongs to the family Apiaceae.
While comparing scientific classification, American Elm and Ajwain plant genus and other classification are also important. Also, when you compare American Elm and Ajwain plant, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Ulmus and other plant's genus is Trachyspermum. American Elm tribe is Not Available and Ajwain plant tribe is Apieae. American Elm clade is Angiosperms, Eudicots and Rosids and order is Urticales whereas Ajwain plant clade is Angiosperms, Asterids and Eudicots and order is Apiales. Every plant have subfamilies. American Elm subfamilies are, Not Available and Ajwain plant subfamilies are Apioideae. In this way you can compare scientific classification of American Elm and Ajwain plant and other products also.