The scientific classification of Allamanda and Leatherwood Fern 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. Allamanda and Leatherwood Fern kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Allamanda and Leatherwood Fern family is a major factor of Allamanda and Leatherwood Fern 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. Allamanda belongs to the family Apocynaceae and Leatherwood Fern belongs to the family Dennstaedtiaceae.
While comparing scientific classification, Allamanda and Leatherwood Fern genus and other classification are also important. Also, when you compare Allamanda and Leatherwood Fern, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Allamanda and other plant's genus is Pteridium Gleditsch. Allamanda tribe is Apocyneae and Leatherwood Fern tribe is Not Available. Allamanda clade is Angiosperms, Asterids and Eudicots and order is Gentianales whereas Leatherwood Fern clade is Not Available and order is Polypodiales. Every plant have subfamilies. Allamanda subfamilies are, Rauvolfioideae and Leatherwood Fern subfamilies are Not Available. In this way you can compare scientific classification of Allamanda and Leatherwood Fern and other products also.