The scientific classification of Sourwood and Astilbe 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. Sourwood and Astilbe kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Sourwood and Astilbe family is a major factor of Sourwood and Astilbe 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. Sourwood belongs to the family Ericaceae and Astilbe belongs to the family Saxifragaceae.
While comparing scientific classification, Sourwood and Astilbe genus and other classification are also important. Also, when you compare Sourwood and Astilbe, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Oxydendrum and other plant's genus is Astilbe. Sourwood tribe is Oxydendreae and Astilbe tribe is Not Available. Sourwood clade is Angiosperms, Asterids and Eudicots and order is Ericales whereas Astilbe clade is Angiosperms, Core eudicots and Eudicots and order is Rosales. Every plant have subfamilies. Sourwood subfamilies are, Vaccinioideae and Astilbe subfamilies are Not Available. In this way you can compare scientific classification of Sourwood and Astilbe and other products also.