| Rudbeckia | North American perennial herbs with showy cone-shaped flower heads |
|---|---|
| Rudbeckia | the state flower of Maryland |
| Rudbeckia | tall leafy plant with erect branches ending in large yellow flower heads with downward-arching rays |
| Rudbeckia | very tall branching herb with showy much-doubled yellow flower heads |
| Rudbeckia | the state flower of Maryland |