Promenaea is a genus of flowering plants from the orchid family, Orchidaceae.
 It contains 18 currently accepted species (including one that is apparently extinct), all endemic to Brazil.
Machaeranthera is a genus of North American flowering plants in the daisy family which are known by the common name tansyaster.

Question: Are both Promenaea and Machaeranthera from North America?
Answer: no