Rudbeckia hirta
— Navneord
– Engelsk
~ the state flower of Maryland; of central and southeastern United States; having daisylike flowers with dark centers and yellow to orange rays
Rudbeckia laciniata hortensia
— Navneord
– Engelsk
~ very tall branching herb with showy much-doubled yellow flower heads
Rudbeckia laciniata
— Navneord
– Engelsk
~ tall leafy plant with erect branches ending in large yellow flower heads with downward-arching rays; grow in Rocky Mountains south to Arizona and east to the Atlantic coast
Rudbeckia
— Navneord
– Engelsk
~ North American perennial herbs with showy cone-shaped flower heads