subject: To know about Orchid and its types [print this page] Now let us gain knowledge about terrestrial orchids. Cymbidium and Calopogon are some well-known species of the terrestrial orchids. They are found in countries like Japan, Australia and parts of Southeast Asia. Some facts about terrestrial orchids are as follows: They have roots that can grow on land just like other plants or can have aerial roots. They are dependent on fungi for their existence. Most orchids die because the environment may not have fungi. Cymbidium is the best choice of the beginners because they are easy to grow and their proper care yields beautiful flowers every year.