The taxonomist must therefore make a somewhat subjective decision based on knowledge, experience and sound judgment. The more knowledge and the more meaningful experience the taxonomist has, the sounder will be the judgment. Chapter three discusses the distribution of Dendrobiums . It disappointed me to learn that there are no representatives of this plant genus that are native to the Americas or even Africa. Dendrobium species have been used for decoration of religious buildings, as seasoning, as fiber, and as medicine.
Conservation is a critical issue for many plants and animal species today.
There are many orchids in this category. Both these organizations seek to guide governments in the formation of their own laws about endangered species. The issue of conservation should be important to every gardener and botanist. Be sure to read Chapter 5 for a good discussion of conservation issues about Dendrobiums and other orchids. It's definitely food for thought when you are seeking to purchase these plants.