The scientific classification of American Arborvitae and Brugmansia 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 Arborvitae and Brugmansia kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. American Arborvitae and Brugmansia family is a major factor of American Arborvitae and Brugmansia 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 Arborvitae belongs to the family Cupressaceae and Brugmansia belongs to the family Solanaceae.
While comparing scientific classification, American Arborvitae and Brugmansia genus and other classification are also important. Also, when you compare American Arborvitae and Brugmansia, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Arborvitae and other plant's genus is Brugmansia. American Arborvitae tribe is Not Available and Brugmansia tribe is Datureae. American Arborvitae clade is Not Available and order is Pinales whereas Brugmansia clade is Angiosperms, Asterids and Eudicots and order is Solanales. Every plant have subfamilies. American Arborvitae subfamilies are, Cupressoideae and Brugmansia subfamilies are Solanoideae. In this way you can compare scientific classification of American Arborvitae and Brugmansia and other products also.