Rayjacksonia is a genus of North American flowering plants in the family Asteraceae. It is one of several genera with the common name tansyaster.

The genus is named in honor of American botanist Raymond Carl Jackson.

Species

• Rayjacksonia annua (Rydb.) R.L.Hartm. & M.A.Lane - TX OK NM CO KS NE WY
• Rayjacksonia aurea (A.Gray) R.L.Hartm. & M.A.Lane - Texas
• Rayjacksonia phyllocephala (DC.) R.L.Hartm. & M.A.Lane Tamaulipas, TX LA MS FL

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