The scientific classification of Sand Dollar Cactus and Douglas Fir 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. Sand Dollar Cactus and Douglas Fir kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Sand Dollar Cactus and Douglas Fir family is a major factor of Sand Dollar Cactus and Douglas Fir 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. Sand Dollar Cactus belongs to the family Cactaceae and Douglas Fir belongs to the family Pinaceae.
While comparing scientific classification, Sand Dollar Cactus and Douglas Fir genus and other classification are also important. Also, when you compare Sand Dollar Cactus and Douglas Fir, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Astrophytum and other plant's genus is Pseudotsuga. Sand Dollar Cactus tribe is Cacteae and Douglas Fir tribe is Not Available. Sand Dollar Cactus clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales whereas Douglas Fir clade is Not Available and order is Pinales. Every plant have subfamilies. Sand Dollar Cactus subfamilies are, Cactoideae and Douglas Fir subfamilies are Not Available. In this way you can compare scientific classification of Sand Dollar Cactus and Douglas Fir and other products also.