Are both Promenaea and Machaeranthera from North America?
Promenaea 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.
Astraeus pteridis Astraeus pteridis is a species of false earthstar in the family Diplocystaceae. It was described by American mycologist Cornelius Lott Shear in 1902 under the name "Scleroderma pteridis". Sanford Myron Zeller transferred it to "Astraeus" in a 1948 publication. It is found in North America.