Erigeron davisii

Erigeron davisii is a North American species of flowering plant in the family Asteraceae known by the common name Davis's fleabane . It has been found only in Idaho and in northeastern Oregon.

Erigeron davisii is a perennial herb up to 30 cm (12 inches) tall. Each branch generally has only one flower head, with 50–80 white ray florets and numerous yellow disc florets.