Pogonia ophioglossoides is a species of orchid occurring from central Canada to the east-central and eastern United States. It is the type species of the genus Pogonia. It is also known as the "Snake Mouth Orchid". It is pollinated by bees. This species occurs in wet habitats. In the north, the habitat is typically fens but sometimes also bogs. Further south, along the Gulf Coast, it is a species of wet pine savannas and flatwoods.