The scientific classification of Tree-of-Heaven and Ficus Elastica 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 Ficus Elastica kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Tree-of-Heaven and Ficus Elastica family is a major factor of Tree-of-Heaven and Ficus Elastica 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 Ficus Elastica belongs to the family Moraceae.
While comparing scientific classification, Tree-of-Heaven and Ficus Elastica genus and other classification are also important. Also, when you compare Tree-of-Heaven and Ficus Elastica, 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 Ficus. Tree-of-Heaven tribe is Not Available and Ficus Elastica tribe is Ficeae. Tree-of-Heaven clade is Angiosperms, Eudicots and Rosids and order is Sapindales whereas Ficus Elastica clade is Angiosperms, Eudicots and Rosids and order is Rosales. Every plant have subfamilies. Tree-of-Heaven subfamilies are, Not Available and Ficus Elastica subfamilies are Not Available. In this way you can compare scientific classification of Tree-of-Heaven and Ficus Elastica and other products also.