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