Psilactis
Psilactis is a genus of North American and South American plants in the aster tribe within the sunflower family which are known by the common name tansyaster.
; Species
- Psilactis asteroides A.Gray - AZ NM TX, Chihuahua, Coahuila, Nuevo León, Durango, Jalisco, Aguascalientes, Sonora, Sinaloa, Querétaro, México State, Michoacán
- Psilactis brevilingulata Sch.Bip. ex Hemsl. - AZ NM TX, Mexico, Colombia, Peru
- Psilactis gentryi D.R.Morgan - Huachuca Mountains in Arizona, Sonora, Chihuahua, Durango, Hidalgo, México State
- Psilactis heterocarpa D.R.Morgan - TX
- Psilactis odysseus D.R.Morgan - Nuevo León, Tamaulipas
; formerly included
- Psilactis coulteri A.Gray - Machaeranthera coulteri B.L.Turner & D.B.Horne
- Psilactis crispa Brandegee - Machaeranthera crispa B.L.Turner & D.B.Horne
- Psilactis leptos Shinners - Psilactis asteroides A.Gray
- Psilactis tenuis S.Watson - Machaeranthera tenuis B.L.Turner & D.B.Horne
