The scientific classification of Celery and Navel Orange 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. Celery and Navel Orange kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Celery and Navel Orange family is a major factor of Celery and Navel Orange 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. Celery belongs to the family Apiaceae and Navel Orange belongs to the family Rutaceae.
While comparing scientific classification, Celery and Navel Orange genus and other classification are also important. Also, when you compare Celery and Navel Orange, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Apium and other plant's genus is Citrus. Celery tribe is Apieae and Navel Orange tribe is Citreae. Celery clade is Angiosperms, Asterids and Eudicots and order is Apiales whereas Navel Orange clade is Angiosperms, Eudicots and Rosids and order is Sapindales. Every plant have subfamilies. Celery subfamilies are, Apioideae and Navel Orange subfamilies are Not Available. In this way you can compare scientific classification of Celery and Navel Orange and other products also.