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