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