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