The scientific classification of Snow Bush and Physostegia 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. Snow Bush and Physostegia kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Snow Bush and Physostegia family is a major factor of Snow Bush and Physostegia 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. Snow Bush belongs to the family Euphorbiaceae and Physostegia belongs to the family Lamiaceae.
While comparing scientific classification, Snow Bush and Physostegia genus and other classification are also important. Also, when you compare Snow Bush and Physostegia, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Breynia and other plant's genus is Physostegia. Snow Bush tribe is Phyllantheae and Physostegia tribe is Not Available. Snow Bush clade is Angiosperms, Eudicots and Rosids and order is Euphorbiales whereas Physostegia clade is Angiosperms, Asterids and Eudicots and order is Lamiales. Every plant have subfamilies. Snow Bush subfamilies are, Antidesmatoideae and Physostegia subfamilies are Not Available. In this way you can compare scientific classification of Snow Bush and Physostegia and other products also.