The scientific classification of Pecan and Rosa Henryi 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. Pecan and Rosa Henryi kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Pecan and Rosa Henryi family is a major factor of Pecan and Rosa Henryi 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. Pecan belongs to the family Juglandaceae and Rosa Henryi belongs to the family Rosaceae.
While comparing scientific classification, Pecan and Rosa Henryi genus and other classification are also important. Also, when you compare Pecan and Rosa Henryi, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Carya Nutt. and other plant's genus is Rosa. Pecan tribe is Juglandeae and Rosa Henryi tribe is Not Available. Pecan clade is Angiosperms, Eudicots and Rosids and order is Juglandales whereas Rosa Henryi clade is Not Available and order is Rosales. Every plant have subfamilies. Pecan subfamilies are, Juglandoideae and Rosa Henryi subfamilies are Not Available. In this way you can compare scientific classification of Pecan and Rosa Henryi and other products also.