The scientific classification of Foxtail Barley and Bael 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. Foxtail Barley and Bael kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Foxtail Barley and Bael family is a major factor of Foxtail Barley and Bael 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. Foxtail Barley belongs to the family Poaceae and Bael belongs to the family Solanaceae.
While comparing scientific classification, Foxtail Barley and Bael genus and other classification are also important. Also, when you compare Foxtail Barley and Bael, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Hordeum and other plant's genus is Brugmansia. Foxtail Barley tribe is Hordeeae and Bael tribe is Datureae. Foxtail Barley clade is Angiosperms, Commelinids and Monocots and order is Cyperales whereas Bael clade is Angiosperms, Asterids and Eudicots and order is Solanales. Every plant have subfamilies. Foxtail Barley subfamilies are, Pooideae and Bael subfamilies are Solanoideae. In this way you can compare scientific classification of Foxtail Barley and Bael and other products also.