The scientific classification of Pennywort and Acacia 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 Acacia kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Pennywort and Acacia family is a major factor of Pennywort and Acacia 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 Acacia belongs to the family Fabaceae.
While comparing scientific classification, Pennywort and Acacia genus and other classification are also important. Also, when you compare Pennywort and Acacia, 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 Acacia. Pennywort tribe is Not Available and Acacia tribe is Acacieae. Pennywort clade is Angiosperms, Asterids and Eudicots and order is Apiales whereas Acacia clade is Not Available and order is Fabales. Every plant have subfamilies. Pennywort subfamilies are, Not Available and Acacia subfamilies are Mimosoideae. In this way you can compare scientific classification of Pennywort and Acacia and other products also.