The scientific classification of Rhubarb and Shell Ginger 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. Rhubarb and Shell Ginger kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Rhubarb and Shell Ginger family is a major factor of Rhubarb and Shell Ginger 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. Rhubarb belongs to the family Polygonaceae and Shell Ginger belongs to the family Zingiberaceae.
While comparing scientific classification, Rhubarb and Shell Ginger genus and other classification are also important. Also, when you compare Rhubarb and Shell Ginger, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Rheum and other plant's genus is Alpinia. Rhubarb tribe is Not Available and Shell Ginger tribe is Alpinieae. Rhubarb clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales whereas Shell Ginger clade is Angiosperms, Commelinids and Monocots and order is Zingiberales. Every plant have subfamilies. Rhubarb subfamilies are, Not Available and Shell Ginger subfamilies are Alpinioideae. In this way you can compare scientific classification of Rhubarb and Shell Ginger and other products also.