The scientific classification of Corn and Ubi 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. Corn and Ubi kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Corn and Ubi family is a major factor of Corn and Ubi 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. Corn belongs to the family Poaceae and Ubi belongs to the family Dioscoreaceae.
While comparing scientific classification, Corn and Ubi genus and other classification are also important. Also, when you compare Corn and Ubi, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Zea and other plant's genus is . Corn tribe is Andropogoneae and Ubi tribe is . Corn clade is Angiosperms, Commelinids and Monocots and order is Poales whereas Ubi clade is and order is . Every plant have subfamilies. Corn subfamilies are, Panicoideae and Ubi subfamilies are . In this way you can compare scientific classification of Corn and Ubi and other products also.