Many people are surprised to learn that North America is home to over 200 species of orchid. What's more, an embarrassing amount of North America's orchids are threatened with extinction. The plight of this intriguing plant family is an indication of how we are doing as a species. Orchids act as the proverbial canary in a coal mine. That is why Dr. Dennis Whigham, senior botanist for the Smithsonian Environmental Research Center created the North America Orchid Conservation Center. Join me for a discussion with Dr. Whigham in which we cover everything from the mutualisms that orchids need to survive to what it is going to take to ensure their survival on this continent.