The scientific classification of Zizka and American Elm 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. Zizka and American Elm kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Zizka and American Elm family is a major factor of Zizka and American Elm 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. Zizka belongs to the family Poaceae and American Elm belongs to the family Ulmaceae.
While comparing scientific classification, Zizka and American Elm genus and other classification are also important. Also, when you compare Zizka and American Elm, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Melinis and other plant's genus is Ulmus. Zizka tribe is Paniceae and American Elm tribe is Not Available. Zizka clade is Angiosperms, Commelinids and Monocots and order is Poales whereas American Elm clade is Angiosperms, Eudicots and Rosids and order is Urticales. Every plant have subfamilies. Zizka subfamilies are, Panicoideae and American Elm subfamilies are Not Available. In this way you can compare scientific classification of Zizka and American Elm and other products also.