Dr. Lawrence Zettler has studied orchids in the high Andes Mountains of South America and along the deforested hills of Madagascar, and he's studied the elusive Ghost Orchid found in South Florida, Cuba, and other parts of Central and South America. As director of the Orchid Recovery Program at Illinois College , Dr. Zettler specializes in preserving these rare and unique flowers by understanding the fungus these orchids rely on to survive.