The scientific classification of Hackberry and Hard Fescue 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 Hard Fescue kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Hackberry and Hard Fescue family is a major factor of Hackberry and Hard Fescue 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 Hard Fescue belongs to the family Poaceae.
While comparing scientific classification, Hackberry and Hard Fescue genus and other classification are also important. Also, when you compare Hackberry and Hard Fescue, 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 Festuca. Hackberry tribe is Not Available and Hard Fescue tribe is Not Available. Hackberry clade is Angiosperms, Eudicots and Rosids and order is Urticales whereas Hard Fescue clade is Angiosperms, Commelinids and Monocots and order is Cyperales. Every plant have subfamilies. Hackberry subfamilies are, Not Available and Hard Fescue subfamilies are Not Available. In this way you can compare scientific classification of Hackberry and Hard Fescue and other products also.