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