The scientific classification of Oleander and Gazania 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. Oleander and Gazania kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Oleander and Gazania family is a major factor of Oleander and Gazania 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. Oleander belongs to the family Apocynaceae and Gazania belongs to the family Asteraceae.
While comparing scientific classification, Oleander and Gazania genus and other classification are also important. Also, when you compare Oleander and Gazania, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Nerium and other plant's genus is Gazania. Oleander tribe is Wrightieae and Gazania tribe is Arctotideae. Oleander clade is Angiosperms, Asterids and Eudicots and order is Gentianales whereas Gazania clade is Angiosperms, Asterids and Eudicots and order is Asterales. Every plant have subfamilies. Oleander subfamilies are, Apocynoideae and Hippocastanoideae and Gazania subfamilies are Cichorioideae. In this way you can compare scientific classification of Oleander and Gazania and other products also.