The scientific classification of Pumpkin Tree and Tree-of-Heaven 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. Pumpkin Tree and Tree-of-Heaven kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Pumpkin Tree and Tree-of-Heaven family is a major factor of Pumpkin Tree and Tree-of-Heaven 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. Pumpkin Tree belongs to the family Oleaceae and Tree-of-Heaven belongs to the family Simaroubaceae.
While comparing scientific classification, Pumpkin Tree and Tree-of-Heaven genus and other classification are also important. Also, when you compare Pumpkin Tree and Tree-of-Heaven, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Fraxinus and other plant's genus is Ailanthus. Pumpkin Tree tribe is Not Available and Tree-of-Heaven tribe is Not Available. Pumpkin Tree clade is Not Available and order is Scrophulariales whereas Tree-of-Heaven clade is Angiosperms, Eudicots and Rosids and order is Sapindales. Every plant have subfamilies. Pumpkin Tree subfamilies are, Not Available and Tree-of-Heaven subfamilies are Not Available. In this way you can compare scientific classification of Pumpkin Tree and Tree-of-Heaven and other products also.