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