The scientific classification of Diascia and Heather 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. Diascia and Heather kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Diascia and Heather family is a major factor of Diascia and Heather 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. Diascia belongs to the family Scrophulariaceae and Heather belongs to the family Ericaceae.
While comparing scientific classification, Diascia and Heather genus and other classification are also important. Also, when you compare Diascia and Heather, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Diascia and other plant's genus is Calluna. Diascia tribe is Hemimerideae and Heather tribe is Ericeae. Diascia clade is Angiosperms, Asterids and Eudicots and order is Lamiales whereas Heather clade is Angiosperms, Asterids and Eudicots and order is Ericales. Every plant have subfamilies. Diascia subfamilies are, Scrophularioideae and Heather subfamilies are Ericoideae. In this way you can compare scientific classification of Diascia and Heather and other products also.