The scientific classification of Evening Primrose and Toyon 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. Evening Primrose and Toyon kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Evening Primrose and Toyon family is a major factor of Evening Primrose and Toyon 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. Evening Primrose belongs to the family Onagraceae and Toyon belongs to the family Rosaceae.
While comparing scientific classification, Evening Primrose and Toyon genus and other classification are also important. Also, when you compare Evening Primrose and Toyon, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Oenothera and other plant's genus is Heteromeles. Evening Primrose tribe is Onagreae and Toyon tribe is Maleae. Evening Primrose clade is Angiosperms, Eudicots and Rosids and order is Myrtales whereas Toyon clade is Angiosperms, Eudicots and Rosids and order is Rosales. Every plant have subfamilies. Evening Primrose subfamilies are, Onagroideae and Toyon subfamilies are Amygdaloideae. In this way you can compare scientific classification of Evening Primrose and Toyon and other products also.