Iris and Cereus Family
Plant family is the group of plants which have something in common. Iris and Cereus family is a major factor of Iris and Cereus 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. Iris belongs to the family Iridaceae and Cereus belongs to the family Cactaceae.
Iris and Cereus Genus and Other Classification
While comparing scientific classification, Iris and Cereus genus and other classification are also important. Also, when you compare Iris and Cereus, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Iris and other plant's genus is Selenicereus. Iris tribe is Irideae and Cereus tribe is Hylocereeae. Iris clade is Angiosperms and Monocots and order is Asparagales whereas Cereus clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales. Every plant have subfamilies. Iris subfamilies are, Iridoideae and Cereus subfamilies are Cactoideae. In this way you can compare scientific classification of Iris and Cereus and other products also.