The scientific classification of Viburnum and Oatgrass 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. Viburnum and Oatgrass kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Viburnum and Oatgrass family is a major factor of Viburnum and Oatgrass 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. Viburnum belongs to the family Caprifoliaceae and Oatgrass belongs to the family Poaceae.
While comparing scientific classification, Viburnum and Oatgrass genus and other classification are also important. Also, when you compare Viburnum and Oatgrass, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Viburnum and other plant's genus is Danthonia. Viburnum tribe is Not Available and Oatgrass tribe is Aveneae. Viburnum clade is Angiosperms, Asterids and Eudicots and order is Dipsacales whereas Oatgrass clade is Angiosperms, Commelinids and Monocots and order is Poales. Every plant have subfamilies. Viburnum subfamilies are, Not Available and Oatgrass subfamilies are Danthonioideae. In this way you can compare scientific classification of Viburnum and Oatgrass and other products also.