How many types of orchids are there?
Orchids belong to the family Orchidaceae, which is one of the largest families of flowering plants. They can be found in almost every habitat on Earth. There are over 28,000 species of orchids in the world, but more are being discovered and classified to this day. The most common orchid genera are Phalaenopsis, Cattleya, Oncidium, Dendrobium, Vanda, and Cymbidium.