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