are Machaeranthera and Prumnopitys both the plants?
yes
Prumnopitys
Prumnopitys is a genus of conifers belonging to the podocarp family Podocarpaceae.
 The eight recognized species of "Prumnopitys" are densely branched, dioecious evergreen trees up to 40 metres in height.
Machaeranthera
Machaeranthera is a genus of North American flowering plants in the daisy family which are known by the common name tansyaster.
Machaeranthera asteroides
Machaeranthera asteroides (fall tansyaster) is a North American species of plants in the sunflower family.
 It is native to the southwestern United States (California, Arizona, Nevada, New Mexico, Colorado, Utah) and northern Mexico (Chihuahua, Sonora, Baja California).