Photo: Ratibida pinnata 8.

Snowy flowers; it's one of the last to get to flower in autumn, and doesn't always manage to produce seed. Annala, Helsinki, Finland. Wild. 2004-11-21.

Ratibida pinnata (Vent.) Barnh.
Engl.: pinnate prairie coneflower, prairie coneflower, grey-head coneflower.
Suom.: preeriakeltahattu.
Sven.: stor mexikohatt.
Bot. syn.: Rudbeckia pinnata Vent.