The scientific classification of Black Ash 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. Black Ash and Hard Fescue kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Black Ash and Hard Fescue family is a major factor of Black Ash 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. Black Ash belongs to the family Oleaceae and Hard Fescue belongs to the family Poaceae.
While comparing scientific classification, Black Ash and Hard Fescue genus and other classification are also important. Also, when you compare Black Ash and Hard Fescue, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Fraxinus and other plant's genus is Festuca. Black Ash tribe is Oleeae and Hard Fescue tribe is Not Available. Black Ash clade is Angiosperms, Asterids and Eudicots and order is Scrophulariales whereas Hard Fescue clade is Angiosperms, Commelinids and Monocots and order is Cyperales. Every plant have subfamilies. Black Ash subfamilies are, Not Available and Hard Fescue subfamilies are Not Available. In this way you can compare scientific classification of Black Ash and Hard Fescue and other products also.