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