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