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