The scientific classification of Bittersweet and Ninebark 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. Bittersweet and Ninebark kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Bittersweet and Ninebark family is a major factor of Bittersweet and Ninebark 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. Bittersweet belongs to the family Celastraceae and Ninebark belongs to the family Rosaceae.
While comparing scientific classification, Bittersweet and Ninebark genus and other classification are also important. Also, when you compare Bittersweet and Ninebark, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Celastrus and other plant's genus is Physocarpus. Bittersweet tribe is Not Available and Ninebark tribe is Neillieae. Bittersweet clade is Angiosperms, Eudicots and Rosids and order is Celastrales whereas Ninebark clade is Angiosperms, Eudicots and Rosids and order is Rosales. Every plant have subfamilies. Bittersweet subfamilies are, Celastroideae and Ninebark subfamilies are Amygdaloideae. In this way you can compare scientific classification of Bittersweet and Ninebark and other products also.