Erigeron peregrinus is a North American species of flowering plants in the family Asteraceae known by the common name wandering fleabane.

[2] Erigeron peregrinus is native to northwestern North America from Alaska to Oregon.

[7][2] Erigeron peregrinus is a perennial herb up to 70 centimeters (28 inches) in height, spreading by means of underground rhizomes.

The plant usually produces only one flower head per stem, each with 30–80 blue, purple, pink, or white ray florets surrounding numerous disc florets.

Its habitats include stream banks, bogs, and moist mountain meadows.