The scientific classification of Sunflower and Blue Barrel 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. Sunflower and Blue Barrel kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Sunflower and Blue Barrel family is a major factor of Sunflower and Blue Barrel 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. Sunflower belongs to the family Asteraceae and Blue Barrel belongs to the family Cactaceae.
While comparing scientific classification, Sunflower and Blue Barrel genus and other classification are also important. Also, when you compare Sunflower and Blue Barrel, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Heilanthus and other plant's genus is Echinocactus. Sunflower tribe is Heliantheae and Blue Barrel tribe is Cacteae. Sunflower clade is Not Available and order is Asterales whereas Blue Barrel clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales. Every plant have subfamilies. Sunflower subfamilies are, Helianthodeae and Blue Barrel subfamilies are Cactaceae. In this way you can compare scientific classification of Sunflower and Blue Barrel and other products also.