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