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