USDA Plant Profile** Flora of N. America** ITIS
Date: July 1, 1972. Location: Isle Royale
The FNA site has placed it along with the entire class Pyrolaceae (wintergreen family) into the class Ericaceae.
The FNA has assigned two species to the genus Monotropa (M. hypopitys, and M, uniflora). Both species are native and have been found in Iowa woodlands. They are rated as rare or infrequent in Iowa.
Monotropa uniflora (Indian pipe)
Monotropa hypopitys (Pinesap)