The scientific classification of Black Oak and Bouteloua Gracilis 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. Black Oak and Bouteloua Gracilis kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Black Oak and Bouteloua Gracilis family is a major factor of Black Oak and Bouteloua Gracilis 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. Black Oak belongs to the family Fagaceae and Bouteloua Gracilis belongs to the family Poaceae.
While comparing scientific classification, Black Oak and Bouteloua Gracilis genus and other classification are also important. Also, when you compare Black Oak and Bouteloua Gracilis, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Quercus and other plant's genus is Bouteloua. Black Oak tribe is Cherokee and Bouteloua Gracilis tribe is Cynodonteae. Black Oak clade is Angiosperms, Eudicots and Rosids and order is Fagales whereas Bouteloua Gracilis clade is Angiosperms, Commelinids and Monocots and order is Cyperales. Every plant have subfamilies. Black Oak subfamilies are, Not Available and Bouteloua Gracilis subfamilies are Chloridoideae. In this way you can compare scientific classification of Black Oak and Bouteloua Gracilis and other products also.