The scientific classification of Leucojum and Penstemon Parryi 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. Leucojum and Penstemon Parryi kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Leucojum and Penstemon Parryi family is a major factor of Leucojum and Penstemon Parryi 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. Leucojum belongs to the family Liliaceae and Penstemon Parryi belongs to the family Scrophulariaceae.
While comparing scientific classification, Leucojum and Penstemon Parryi genus and other classification are also important. Also, when you compare Leucojum and Penstemon Parryi, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Leucojum and other plant's genus is Penstemon. Leucojum tribe is Not Available and Penstemon Parryi tribe is Not Available. Leucojum clade is Angiosperms and Monocots and order is Liliales whereas Penstemon Parryi clade is Angiosperms, Asterids and Eudicots and order is Lamiales. Every plant have subfamilies. Leucojum subfamilies are, Amaryllidoideae and Penstemon Parryi subfamilies are Not Available. In this way you can compare scientific classification of Leucojum and Penstemon Parryi and other products also.